mu3: hotfix for calling mu3_io_led_set_colors

Reviewed-on: Dniel97/segatools#14

.gitignore

@@ -1,6 +1,17 @@
 .*.swp
 
-.vscode/
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+!.vscode/*.code-snippets
+
+# Local History for Visual Studio Code
+.history/
+
+# Built Visual Studio Code Extensions
+*.vsix
 
 # Suggested names for build dirs
 build/

.vscode/settings.json

@@ -1,3 +1,4 @@
 {
   "editor.formatOnSave": false,
+  "mesonbuild.configureOnOpen": false,
 }

Makefile

@@ -5,16 +5,12 @@ V               ?= @
 BUILD_DIR := build
 BUILD_DIR_32 := $(BUILD_DIR)/build32
 BUILD_DIR_64 := $(BUILD_DIR)/build64
-BUILD_DIR_DOCKER := $(BUILD_DIR)/docker
 BUILD_DIR_ZIP := $(BUILD_DIR)/zip
 
 DOC_DIR := doc
 
 DIST_DIR := dist
 
-DOCKER_CONTAINER_NAME := "segatools-build"
-DOCKER_IMAGE_NAME     := "segatools:build"
-
 # -----------------------------------------------------------------------------
 # Targets
 # -----------------------------------------------------------------------------
@@ -42,15 +38,6 @@ zip: $(BUILD_DIR_ZIP)/segatools.zip
 clean:
 	$(V)rm -rf $(BUILD_DIR) subprojects/capnhook
 
-.PHONY: build-docker # Build the project in a docker container
-build-docker:
-	$(V)docker rm -f $(DOCKER_CONTAINER_NAME) 2> /dev/null || true
-	$(V)docker build -t $(DOCKER_IMAGE_NAME) -f Dockerfile .
-	$(V)docker create --name $(DOCKER_CONTAINER_NAME) $(DOCKER_IMAGE_NAME)
-	$(V)rm -rf $(BUILD_DIR_DOCKER)
-	$(V)mkdir -p $(BUILD_DIR_DOCKER)
-	$(V)docker cp $(DOCKER_CONTAINER_NAME):/segatools/$(BUILD_DIR_ZIP) $(BUILD_DIR_DOCKER)
-
 # -----------------------------------------------------------------------------
 # Utility, combo and alias targets
 # -----------------------------------------------------------------------------

Package.mk

@@ -73,6 +73,53 @@ $(BUILD_DIR_ZIP)/idz.zip:
 	$(V)strip $(BUILD_DIR_ZIP)/idz/*.{exe,dll}
 	$(V)cd $(BUILD_DIR_ZIP)/idz ; zip -r ../idz.zip *
 
+$(BUILD_DIR_ZIP)/fgo.zip:
+	$(V)echo ... $@
+	$(V)mkdir -p $(BUILD_DIR_ZIP)/fgo
+	$(V)mkdir -p $(BUILD_DIR_ZIP)/fgo/DEVICE
+	$(V)cp $(BUILD_DIR_64)/subprojects/capnhook/inject/inject.exe \
+		$(BUILD_DIR_64)/fgohook/fgohook.dll \
+		$(DIST_DIR)/fgo/segatools.ini \
+		$(DIST_DIR)/fgo/start.bat \
+    	$(BUILD_DIR_ZIP)/fgo
+	$(V)cp pki/billing.pub \
+		pki/ca.crt \
+    	$(BUILD_DIR_ZIP)/fgo/DEVICE
+	$(V)strip $(BUILD_DIR_ZIP)/fgo/*.{exe,dll}
+	$(V)cd $(BUILD_DIR_ZIP)/fgo ; zip -r ../fgo.zip *
+
+$(BUILD_DIR_ZIP)/idac.zip:
+	$(V)echo ... $@
+	$(V)mkdir -p $(BUILD_DIR_ZIP)/idac
+	$(V)mkdir -p $(BUILD_DIR_ZIP)/idac/DEVICE
+	$(V)cp $(BUILD_DIR_64)/subprojects/capnhook/inject/inject.exe \
+		$(BUILD_DIR_64)/idachook/idachook.dll \
+		$(DIST_DIR)/idac/segatools.ini \
+		$(DIST_DIR)/idac/config_hook.json \
+		$(DIST_DIR)/idac/start.bat \
+    	$(BUILD_DIR_ZIP)/idac
+	$(V)cp pki/billing.pub \
+		pki/ca.crt \
+    	$(BUILD_DIR_ZIP)/idac/DEVICE
+	$(V)strip $(BUILD_DIR_ZIP)/idac/*.{exe,dll}
+	$(V)cd $(BUILD_DIR_ZIP)/idac ; zip -r ../idac.zip *
+
+$(BUILD_DIR_ZIP)/swdc.zip:
+	$(V)echo ... $@
+	$(V)mkdir -p $(BUILD_DIR_ZIP)/swdc
+	$(V)mkdir -p $(BUILD_DIR_ZIP)/swdc/DEVICE
+	$(V)cp $(BUILD_DIR_64)/subprojects/capnhook/inject/inject.exe \
+		$(BUILD_DIR_64)/swdchook/swdchook.dll \
+		$(DIST_DIR)/swdc/segatools.ini \
+		$(DIST_DIR)/swdc/config_hook.json \
+		$(DIST_DIR)/swdc/start.bat \
+    	$(BUILD_DIR_ZIP)/swdc
+	$(V)cp pki/billing.pub \
+		pki/ca.crt \
+    	$(BUILD_DIR_ZIP)/swdc/DEVICE
+	$(V)strip $(BUILD_DIR_ZIP)/swdc/*.{exe,dll}
+	$(V)cd $(BUILD_DIR_ZIP)/swdc ; zip -r ../swdc.zip *
+
 $(BUILD_DIR_ZIP)/mercury.zip:
 	$(V)echo ... $@
 	$(V)mkdir -p $(BUILD_DIR_ZIP)/mercury
@@ -88,6 +135,27 @@ $(BUILD_DIR_ZIP)/mercury.zip:
 	$(V)strip $(BUILD_DIR_ZIP)/mercury/*.{exe,dll}
 	$(V)cd $(BUILD_DIR_ZIP)/mercury ; zip -r ../mercury.zip *
 
+$(BUILD_DIR_ZIP)/chusan.zip:
+	$(V)echo ... $@
+	$(V)mkdir -p $(BUILD_DIR_ZIP)/chusan
+	$(V)mkdir -p $(BUILD_DIR_ZIP)/chusan/DEVICE
+	$(V)cp $(DIST_DIR)/chusan/segatools.ini \
+		$(DIST_DIR)/chusan/config_hook.json \
+		$(DIST_DIR)/chusan/start.bat \
+		$(BUILD_DIR_ZIP)/chusan
+	$(V)cp $(BUILD_DIR_32)/chusanhook/chusanhook.dll \
+		$(BUILD_DIR_ZIP)/chusan/chusanhook_x86.dll
+	$(V)cp $(BUILD_DIR_64)/chusanhook/chusanhook.dll \
+		$(BUILD_DIR_ZIP)/chusan/chusanhook_x64.dll
+	$(V)cp $(BUILD_DIR_32)/subprojects/capnhook/inject/inject.exe \
+		$(BUILD_DIR_ZIP)/chusan/inject_x86.exe
+	$(V)cp $(BUILD_DIR_64)/subprojects/capnhook/inject/inject.exe \
+		$(BUILD_DIR_ZIP)/chusan/inject_x64.exe
+	$(V)cp pki/billing.pub \
+		pki/ca.crt \
+		$(BUILD_DIR_ZIP)/chusan/DEVICE
+	for x in exe dll; do strip $(BUILD_DIR_ZIP)/chusan/*.$$x; done
+	$(V)cd $(BUILD_DIR_ZIP)/chusan ; zip -r ../chusan.zip *
 
 $(BUILD_DIR_ZIP)/mu3.zip:
 	$(V)echo ... $@
@@ -104,6 +172,37 @@ $(BUILD_DIR_ZIP)/mu3.zip:
 	$(V)strip $(BUILD_DIR_ZIP)/mu3/*.{exe,dll}
 	$(V)cd $(BUILD_DIR_ZIP)/mu3 ; zip -r ../mu3.zip *
 
+$(BUILD_DIR_ZIP)/mai2.zip:
+	$(V)echo ... $@
+	$(V)mkdir -p $(BUILD_DIR_ZIP)/mai2
+	$(V)mkdir -p $(BUILD_DIR_ZIP)/mai2/DEVICE
+	$(V)cp $(BUILD_DIR_64)/subprojects/capnhook/inject/inject.exe \
+		$(BUILD_DIR_64)/mai2hook/mai2hook.dll \
+		$(DIST_DIR)/mai2/segatools.ini \
+		$(DIST_DIR)/mai2/start.bat \
+    	$(BUILD_DIR_ZIP)/mai2
+	$(V)cp pki/billing.pub \
+		pki/ca.crt \
+    	$(BUILD_DIR_ZIP)/mai2/DEVICE
+	$(V)strip $(BUILD_DIR_ZIP)/mai2/*.{exe,dll}
+	$(V)cd $(BUILD_DIR_ZIP)/mai2 ; zip -r ../mai2.zip *
+
+$(BUILD_DIR_ZIP)/cm.zip:
+	$(V)echo ... $@
+	$(V)mkdir -p $(BUILD_DIR_ZIP)/cm
+	$(V)mkdir -p $(BUILD_DIR_ZIP)/cm/DEVICE
+	$(V)cp $(BUILD_DIR_64)/subprojects/capnhook/inject/inject.exe \
+		$(BUILD_DIR_64)/cmhook/cmhook.dll \
+		$(DIST_DIR)/cm/config_hook.json \
+		$(DIST_DIR)/cm/segatools.ini \
+		$(DIST_DIR)/cm/start.bat \
+    	$(BUILD_DIR_ZIP)/cm
+	$(V)cp pki/billing.pub \
+		pki/ca.crt \
+    	$(BUILD_DIR_ZIP)/cm/DEVICE
+	$(V)strip $(BUILD_DIR_ZIP)/cm/*.{exe,dll}
+	$(V)cd $(BUILD_DIR_ZIP)/cm ; zip -r ../cm.zip *
+
 $(BUILD_DIR_ZIP)/doc.zip: \
 		$(DOC_DIR)/config \
 		$(DOC_DIR)/chunihook.md \
@@ -119,8 +218,14 @@ $(BUILD_DIR_ZIP)/segatools.zip: \
 		$(BUILD_DIR_ZIP)/diva.zip \
 		$(BUILD_DIR_ZIP)/doc.zip \
 		$(BUILD_DIR_ZIP)/idz.zip \
+		$(BUILD_DIR_ZIP)/idac.zip \
+		$(BUILD_DIR_ZIP)/swdc.zip \
 		$(BUILD_DIR_ZIP)/mercury.zip \
+		$(BUILD_DIR_ZIP)/chusan.zip \
 		$(BUILD_DIR_ZIP)/mu3.zip \
+		$(BUILD_DIR_ZIP)/mai2.zip \
+		$(BUILD_DIR_ZIP)/cm.zip \
+		$(BUILD_DIR_ZIP)/fgo.zip \
 		CHANGELOG.md \
 		README.md \
 

README.md

@@ -1,21 +1,33 @@
 # Segatools
 
-Version: `v005`
+Version: `2024-03-13`
 
 Loaders and hardware emulators for SEGA games that run on the Nu and ALLS platforms.
 
 ## List of supported games
 
-* Chunithm
-  * [Chunithm (Plus)](doc/chunihook.md)
-  * [Chunithm Air (Plus)](doc/chunihook.md)
-  * [Chunithm Star (Plus)](doc/chunihook.md)
-  * [Chunithm Amazon (Plus)](doc/chunihook.md)
-  * [Chunithm Crystal (Plus)](doc/chunihook.md)
+* CHUNITHM
+  * up to [CHUNITHM PARADISE LOST](doc/chunihook.md)
+  * starting from CHUNITHM NEW!!
+* crossbeats REV.
+  * up to crossbeats REV. SUNRISE
 * Initial D
   * [Initial D Arcade Stage Zero](doc/idzhook.md)
-* Wacca
-  * Wacca Lilly R (WIP)
+  * Initial D THE ARCADE
+* Hatsune Miku: Project DIVA Arcade
+  * up to Future Tone
+* SEGA World Drivers Championship
+  * SEGA World Drivers Championship 2019
+* Fate/Grand Order
+  * Fate/Grand Order Arcade
+* O.N.G.E.K.I.
+  * starting from O.N.G.E.K.I.
+* maimai DX
+  * starting from maimai DX
+* Card Maker
+  * starting from Card Maker
+* WACCA
+  * starting from WACCA
 
 ## End-users
 

aimeio/aimeio.c

@@ -17,6 +17,7 @@ struct aime_io_config {
     wchar_t aime_path[MAX_PATH];
     wchar_t felica_path[MAX_PATH];
     bool felica_gen;
+    bool aime_gen;
     uint8_t vk_scan;
 };
 
@@ -40,6 +41,11 @@ static HRESULT aime_io_generate_felica(
         uint8_t *bytes,
         size_t nbytes);
 
+static HRESULT aime_io_generate_aime(
+        const wchar_t *path,
+        uint8_t *bytes,
+        size_t nbytes);
+
 static void aime_io_config_read(
         struct aime_io_config *cfg,
         const wchar_t *filename)
@@ -62,11 +68,16 @@ static void aime_io_config_read(
             cfg->felica_path,
             _countof(cfg->felica_path),
             filename);
-    dprintf("NFC: felicaPath GetLastError %lx\n", GetLastError());
 
     cfg->felica_gen = GetPrivateProfileIntW(
             L"aime",
             L"felicaGen",
+            0,
+            filename);
+
+    cfg->aime_gen = GetPrivateProfileIntW(
+            L"aime",
+            L"aimeGen",
             1,
             filename);
 
@@ -163,6 +174,47 @@ static HRESULT aime_io_generate_felica(
     return S_OK;
 }
 
+static HRESULT aime_io_generate_aime(
+        const wchar_t *path,
+        uint8_t *bytes,
+        size_t nbytes)
+{
+    size_t i;
+    FILE *f;
+
+    assert(path != NULL);
+    assert(bytes != NULL);
+    assert(nbytes > 0);
+
+    srand(time(NULL));
+
+    /* AiMe IDs should not start with 3, due to a missing check for BananaPass IDs */
+    do {
+        for (i = 0; i < nbytes; i++) {
+            bytes[i] = rand() % 10 << 4 | rand() % 10;
+        }
+    } while (bytes[0] >> 4 == 3);
+
+    f = _wfopen(path, L"w");
+
+    if (f == NULL) {
+        dprintf("AimeIO DLL: %S: fopen failed: %i\n", path, (int) errno);
+
+        return E_FAIL;
+    }
+
+    for (i = 0; i < nbytes; i++) {
+        fprintf(f, "%02x", bytes[i]);
+    }
+
+    fprintf(f, "\n");
+    fclose(f);
+
+    dprintf("AimeIO DLL: Generated random AiMe ID\n");
+
+    return S_OK;
+}
+
 uint16_t aime_io_get_api_version(void)
 {
     return 0x0100;
@@ -210,6 +262,22 @@ HRESULT aime_io_nfc_poll(uint8_t unit_no)
         return S_OK;
     }
 
+    /* Try generating AiMe IC (if enabled) */
+
+    if (aime_io_cfg.aime_gen) {
+        hr = aime_io_generate_aime(
+                aime_io_cfg.aime_path,
+                aime_io_aime_id,
+                sizeof(aime_io_aime_id));
+
+        if (FAILED(hr)) {
+            return hr;
+        }
+
+        aime_io_aime_id_present = true;
+        return S_OK;
+    }
+
     /* Try FeliCa IC */
 
     hr = aime_io_read_id_file(

board/aime-dll.h

@@ -18,6 +18,7 @@ struct aime_dll {
 
 struct aime_dll_config {
     wchar_t path[MAX_PATH];
+    bool path64;
 };
 
 extern struct aime_dll aime_dll;

board/config.c

@@ -8,12 +8,42 @@
 #include "board/aime-dll.h"
 #include "board/config.h"
 #include "board/sg-reader.h"
+#include "board/vfd.h"
+
+#include "util/dprintf.h"
+
+// Check windows
+#if _WIN32 || _WIN64
+    #if _WIN64
+        #define ENV64BIT
+    #else
+        #define ENV32BIT
+    #endif
+#endif
+
+// Check GCC
+#if __GNUC__
+    #if __x86_64__ || __ppc64__
+        #define ENV64BIT
+    #else
+        #define ENV32BIT
+    #endif
+#endif
 
 static void aime_dll_config_load(struct aime_dll_config *cfg, const wchar_t *filename)
 {
     assert(cfg != NULL);
     assert(filename != NULL);
 
+    // Workaround for x64/x86 external IO dlls
+    // path32 for 32bit, path64 for 64bit
+    // for else.. is that possible? idk
+
+    if (cfg->path64) {
+        #if defined(ENV32BIT)
+            // Always empty, due to amdaemon being 64 bit in 32 bit mode
+            memset(cfg->path, 0, sizeof(cfg->path));
+        #elif defined(ENV64BIT)
             GetPrivateProfileStringW(
                     L"aimeio",
                     L"path",
@@ -21,6 +51,18 @@ static void aime_dll_config_load(struct aime_dll_config *cfg, const wchar_t *fil
                     cfg->path,
                     _countof(cfg->path),
                     filename);
+        #else
+            #error "Unknown environment"
+        #endif
+    } else {
+        GetPrivateProfileStringW(
+            L"aimeio",
+            L"path",
+            L"",
+            cfg->path,
+            _countof(cfg->path),
+            filename);
+    }
 }
 
 void aime_config_load(struct aime_config *cfg, const wchar_t *filename)
@@ -30,6 +72,8 @@ void aime_config_load(struct aime_config *cfg, const wchar_t *filename)
 
     aime_dll_config_load(&cfg->dll, filename);
     cfg->enable = GetPrivateProfileIntW(L"aime", L"enable", 1, filename);
+    cfg->high_baudrate = GetPrivateProfileIntW(L"aime", L"highBaud", 1, filename);
+    cfg->gen = GetPrivateProfileIntW(L"aime", L"gen", 0, filename);
 }
 
 void io4_config_load(struct io4_config *cfg, const wchar_t *filename)
@@ -39,3 +83,11 @@ void io4_config_load(struct io4_config *cfg, const wchar_t *filename)
 
     cfg->enable = GetPrivateProfileIntW(L"io4", L"enable", 1, filename);
 }
+
+void vfd_config_load(struct vfd_config *cfg, const wchar_t *filename)
+{
+    assert(cfg != NULL);
+    assert(filename != NULL);
+
+    cfg->enable = GetPrivateProfileIntW(L"vfd", L"enable", 1, filename);
+}

board/config.h

@@ -5,6 +5,8 @@
 
 #include "board/io4.h"
 #include "board/sg-reader.h"
+#include "board/vfd.h"
 
 void aime_config_load(struct aime_config *cfg, const wchar_t *filename);
 void io4_config_load(struct io4_config *cfg, const wchar_t *filename);
+void vfd_config_load(struct vfd_config *cfg, const wchar_t *filename);

board/io3.c

@@ -79,6 +79,11 @@ static HRESULT io3_cmd_read_analogs(
         struct const_iobuf *req_buf,
         struct iobuf *resp_buf);
 
+static HRESULT io3_cmd_read_rotarys(
+        struct io3 *io3,
+        struct const_iobuf *req_buf,
+        struct iobuf *resp_buf);
+
 static HRESULT io3_cmd_write_gpio(
         struct io3 *io3,
         struct const_iobuf *req_buf,
@@ -116,6 +121,13 @@ static uint8_t io3_features[] = {
 
     0x03, 8, 10, 0,
 
+    /* Feature : 0x04 : Rotary inputs
+       Param1  :    4 : Number of rotary channels
+       Param2  :    0 : N/A
+       Param3  :    0 : N/A */
+
+    0x04, 4, 0, 0,
+
     /* Feature : 0x12 : GPIO outputs
        Param1  :    3 : Number of ports (8 bits per port)
        Param2  :    0 : N/A
@@ -219,6 +231,9 @@ static HRESULT io3_cmd(
     case JVS_CMD_READ_ANALOGS:
         return io3_cmd_read_analogs(io3, req, resp);
     
+    case JVS_CMD_READ_ROTARYS:
+        return io3_cmd_read_rotarys(io3, req, resp);
+
     case JVS_CMD_WRITE_GPIO:
         return io3_cmd_write_gpio(io3, req, resp);
 
@@ -536,6 +551,60 @@ static HRESULT io3_cmd_read_analogs(
 
 }
 
+static HRESULT io3_cmd_read_rotarys(
+        struct io3 *io3,
+        struct const_iobuf *req_buf,
+        struct iobuf *resp_buf)
+{
+    struct jvs_req_read_rotarys req;
+    uint16_t rotarys[4];
+    uint8_t i;
+    HRESULT hr;
+
+    /* Read req */
+
+    hr = iobuf_read(req_buf, &req, sizeof(req));
+
+    if (FAILED(hr)) {
+        return hr;
+    }
+
+    if (req.nrotarys > _countof(rotarys)) {
+        dprintf("JVS I/O: Invalid analog count %i\n", req.nrotarys);
+
+        return E_FAIL;
+    }
+
+    //dprintf("JVS I/O: Read rotarys, nrotarys=%i\n", req.nrotarys);
+
+    /* Write report byte */
+
+    hr = iobuf_write_8(resp_buf, 0x01);
+
+    if (FAILED(hr)) {
+        return hr;
+    }
+
+    /* Write analogs */
+
+    memset(rotarys, 0, sizeof(rotarys));
+
+    if (io3->ops->read_rotarys != NULL) {
+        io3->ops->read_rotarys(io3->ops_ctx, rotarys, req.nrotarys);
+    }
+
+    for (i = 0 ; i < req.nrotarys ; i++) {
+        hr = iobuf_write_be16(resp_buf, rotarys[i]);
+
+        if (FAILED(hr)) {
+            return hr;
+        }
+    }
+
+    return hr;
+
+}
+
 static HRESULT io3_cmd_write_gpio(
         struct io3 *io3,
         struct const_iobuf *req_buf,

board/io3.h

@@ -18,6 +18,7 @@ struct io3_ops {
     void (*write_gpio)(void *ctx, uint32_t state);
     void (*read_switches)(void *ctx, struct io3_switch_state *out);
     void (*read_analogs)(void *ctx, uint16_t *analogs, uint8_t nanalogs);
+    void (*read_rotarys)(void *ctx, uint16_t *rotaries, uint8_t nrotaries);
     void (*read_coin_counter)(void *ctx, uint8_t slot_no, uint16_t *out);
 };
 

board/io4.c

@@ -28,7 +28,7 @@ enum {
     IO4_CMD_CLEAR_BOARD_STATUS = 0x03,
     IO4_CMD_SET_GENERAL_OUTPUT = 0x04,
     IO4_CMD_SET_PWM_OUTPUT     = 0x05,
-    IO4_CMD_UNIMPLEMENTED      = 0x41,
+    IO4_CMD_SET_UNIQUE_OUTPUT  = 0x41,
     IO4_CMD_UPDATE_FIRMWARE    = 0x85,
 };
 
@@ -40,7 +40,7 @@ struct io4_report_in {
     uint16_t buttons[2];
     uint8_t system_status;
     uint8_t usb_status;
-    uint8_t unknown[29];
+    uint8_t unique_input[29];
 };
 
 static_assert(sizeof(struct io4_report_in) == 0x40, "IO4 IN report size");
@@ -48,7 +48,7 @@ static_assert(sizeof(struct io4_report_in) == 0x40, "IO4 IN report size");
 struct io4_report_out {
     uint8_t report_id;
     uint8_t cmd;
-    uint8_t payload[62];
+    uint8_t payload[IO4_REPORT_OUT_PAYLOAD_LEN];
 };
 
 static_assert(sizeof(struct io4_report_out) == 0x40, "IO4 OUT report size");
@@ -223,7 +223,11 @@ static HRESULT io4_handle_write(struct irp *irp)
         return S_OK;
 
     case IO4_CMD_SET_GENERAL_OUTPUT:
-        dprintf("USB I/O: GPIO Out\n");
+        // dprintf("USB I/O: GPIO Out\n");
+
+        if (io4_ops->write_gpio != NULL) {
+            return io4_ops->write_gpio(out.payload, IO4_REPORT_OUT_PAYLOAD_LEN);
+        }
 
         return S_OK;
 
@@ -232,16 +236,16 @@ static HRESULT io4_handle_write(struct irp *irp)
 
         return S_OK;
 
+    case IO4_CMD_SET_UNIQUE_OUTPUT:
+        // dprintf("USB I/O: Unique Out\n");
+
+        return S_OK;
+
     case IO4_CMD_UPDATE_FIRMWARE:
         dprintf("USB I/O: Update firmware..?\n");
 
         return E_FAIL;
 
-    case IO4_CMD_UNIMPLEMENTED:
-        //dprintf("USB I/O: Unimplemented cmd 41\n");
-
-        return S_OK;
-
     default:
         dprintf("USB I/O: Unknown command %02x\n", out.cmd);
 
@@ -316,7 +320,7 @@ static HRESULT io4_async_poll(void *ctx, struct irp *irp)
     /* Delay long enough for the instigating thread in amdaemon to be satisfied
        that all queued-up reports have been drained. */
 
-    Sleep(1);
+    // Sleep(1);
 
     /* Call into ops to poll the underlying inputs */
 

board/io4.h

@@ -4,6 +4,8 @@
 
 #include <stdint.h>
 
+#define IO4_REPORT_OUT_PAYLOAD_LEN 62
+
 enum {
     /* System buttons in button[0] */
 
@@ -24,6 +26,7 @@ struct io4_state {
 
 struct io4_ops {
     HRESULT (*poll)(void *ctx, struct io4_state *state);
+    HRESULT (*write_gpio)(uint8_t* payload, size_t len);
 };
 
 HRESULT io4_hook_init(

board/led15093-cmd.h

@@ -0,0 +1,222 @@
+#pragma once
+
+#include "board/led15093-frame.h"
+
+/* Command IDs */
+
+enum {
+    LED_15093_CMD_RESET                 = 0x10,
+    LED_15093_CMD_SET_TIMEOUT           = 0x11,
+    LED_15093_CMD_UNK1                  = 0x12,
+    LED_15093_CMD_SET_DISABLE_RESPONSE  = 0x14,
+    LED_15093_CMD_SET_ID                = 0x18,
+    LED_15093_CMD_CLEAR_ID              = 0x19,
+    LED_15093_CMD_SET_MAX_BRIGHT        = 0x3F, // TODO
+    LED_15093_CMD_UPDATE_LED            = 0x80,
+    LED_15093_CMD_SET_LED               = 0x81,
+    LED_15093_CMD_SET_IMM_LED           = 0x82,
+    LED_15093_CMD_SET_FADE_LED          = 0x83,
+    LED_15093_CMD_SET_FADE_LEVEL        = 0x84,
+    LED_15093_CMD_SET_FADE_SHIFT        = 0x85,
+    LED_15093_CMD_SET_AUTO_SHIFT        = 0x86,
+    LED_15093_CMD_GET_BOARD_INFO        = 0xF0,
+    LED_15093_CMD_GET_BOARD_STATUS      = 0xF1,
+    LED_15093_CMD_GET_FW_SUM            = 0xF2,
+    LED_15093_CMD_GET_PROTOCOL_VER      = 0xF3,
+    LED_15093_CMD_SET_BOOTMODE          = 0xFD,
+    LED_15093_CMD_FW_UPDATE             = 0xFE,
+};
+
+/* Response codes */
+
+enum {
+    LED_15093_STATUS_OK                     = 0x01,
+    LED_15093_STATUS_ERR_SUM                = 0x02,
+    LED_15093_STATUS_ERR_PARITY             = 0x03,
+    LED_15093_STATUS_ERR_FRAMING            = 0x04,
+    LED_15093_STATUS_ERR_OVERRUN            = 0x05,
+    LED_15093_STATUS_ERR_BUFFER_OVERFLOW    = 0x06,
+};
+
+enum {
+    LED_15093_REPORT_OK                     = 0x01,
+    LED_15093_REPORT_WAIT                   = 0x02,
+    LED_15093_REPORT_ERR1                   = 0x03,
+    LED_15093_REPORT_ERR2                   = 0x04,
+};
+
+/* Status bitmasks */
+
+enum {
+    LED_15093_STATUS_UART_ERR_SUM               = 0x01,
+    LED_15093_STATUS_UART_ERR_PARITY            = 0x02,
+    LED_15093_STATUS_UART_ERR_FRAMING           = 0x04,
+    LED_15093_STATUS_UART_ERR_OVERRUN           = 0x08,
+    LED_15093_STATUS_UART_ERR_BUFFER_OVERFLOW   = 0x10,
+};
+
+enum {
+    LED_15093_STATUS_BOARD_ERR_WDT              = 0x01,
+    LED_15093_STATUS_BOARD_ERR_TIMEOUT          = 0x02,
+    LED_15093_STATUS_BOARD_ERR_RESET            = 0x04,
+    LED_15093_STATUS_BOARD_ERR_BOR              = 0x08,
+};
+
+enum {
+    LED_15093_STATUS_CMD_ERR_BUSY               = 0x01,
+    LED_15093_STATUS_CMD_ERR_UNKNOWN            = 0x02,
+    LED_15093_STATUS_CMD_ERR_PARAM              = 0x04,
+    LED_15093_STATUS_CMD_ERR_EXE                = 0x08,
+};
+
+/* Status types for internal use */
+
+enum {
+    LED_15093_STATUS_TYPE_BOARD     = 1,
+    LED_15093_STATUS_TYPE_UART      = 2,
+    LED_15093_STATUS_TYPE_CMD       = 3,
+};
+
+/* Request data structures */
+
+struct led15093_req_reset {
+    struct led15093_req_hdr hdr;
+    uint8_t cmd;
+    uint8_t r_type;
+};
+
+struct led15093_req_set_timeout {
+    struct led15093_req_hdr hdr;
+    uint8_t cmd;
+    uint8_t count;
+};
+
+struct led15093_req_set_disable_response {
+    struct led15093_req_hdr hdr;
+    uint8_t cmd;
+    bool sw;
+};
+
+struct led15093_req_set_id {
+    struct led15093_req_hdr hdr;
+    uint8_t cmd;
+    uint8_t id;
+};
+
+struct led15093_req_set_led {
+    struct led15093_req_hdr hdr;
+    uint8_t cmd;
+    uint8_t data[198];
+};
+
+struct led15093_req_set_fade_level {
+    struct led15093_req_hdr hdr;
+    uint8_t cmd;
+    uint8_t depth;
+    uint8_t cycle;
+};
+
+struct led15093_req_set_fade_shift {
+    struct led15093_req_hdr hdr;
+    uint8_t cmd;
+    uint8_t target;
+};
+
+struct led15093_req_set_auto_shift {
+    struct led15093_req_hdr hdr;
+    uint8_t cmd;
+    uint8_t count;
+    uint8_t target;
+};
+
+struct led15093_req_get_board_status {
+    struct led15093_req_hdr hdr;
+    uint8_t cmd;
+    bool clear;
+};
+
+union led15093_req_any {
+    struct led15093_req_hdr hdr;
+    struct led15093_req_reset reset;
+    struct led15093_req_set_timeout set_timeout;
+    struct led15093_req_set_disable_response set_disable_response;
+    struct led15093_req_set_id set_id;
+    struct led15093_req_set_led set_led;
+    struct led15093_req_set_fade_level set_fade_level;
+    struct led15093_req_set_fade_shift set_fade_shift;
+    struct led15093_req_set_auto_shift set_auto_shift;
+    struct led15093_req_get_board_status get_board_status;
+    uint8_t payload[256];
+};
+
+/* Response data structures */
+
+struct led15093_resp_any {
+    struct led15093_resp_hdr hdr;
+    uint8_t status;
+    uint8_t cmd;
+    uint8_t report;
+    uint8_t data[32];
+};
+
+struct led15093_resp_timeout {
+    struct led15093_resp_hdr hdr;
+    uint8_t status;
+    uint8_t cmd;
+    uint8_t report;
+    uint8_t count_upper;
+    uint8_t count_lower;
+};
+
+struct led15093_resp_fw_sum {
+    struct led15093_resp_hdr hdr;
+    uint8_t status;
+    uint8_t cmd;
+    uint8_t report;
+    uint8_t sum_upper;
+    uint8_t sum_lower;
+};
+
+struct led15093_resp_board_info_legacy {
+    struct led15093_resp_hdr hdr;
+    uint8_t status;
+    uint8_t cmd;
+    uint8_t report;
+    char board_num[8];
+    uint8_t lf; // 0x0A (ASCII LF)
+    char chip_num[5];
+    uint8_t endcode; // Always 0xFF
+    uint8_t fw_ver;
+};
+
+struct led15093_resp_board_info {
+    struct led15093_resp_hdr hdr;
+    uint8_t status;
+    uint8_t cmd;
+    uint8_t report;
+    char board_num[8];
+    uint8_t lf; // 0x0A (ASCII LF)
+    char chip_num[5];
+    uint8_t endcode; // Always 0xFF
+    uint8_t fw_ver;
+    uint8_t rx_buf;
+};
+
+struct led15093_resp_protocol_ver {
+    struct led15093_resp_hdr hdr;
+    uint8_t status;
+    uint8_t cmd;
+    uint8_t report;
+    uint8_t mode;
+    uint8_t major_ver;
+    uint8_t minor_ver;
+};
+
+struct led15093_resp_set_auto_shift {
+    struct led15093_resp_hdr hdr;
+    uint8_t status;
+    uint8_t cmd;
+    uint8_t report;
+    uint8_t count;
+    uint8_t target;
+};

board/led15093-frame.c

@@ -0,0 +1,196 @@
+#include <windows.h>
+
+#include <assert.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+#include "board/led15093-frame.h"
+
+#include "hook/iobuf.h"
+
+static void led15093_frame_sync(struct iobuf *src);
+static HRESULT led15093_frame_accept(const struct iobuf *dest);
+static HRESULT led15093_frame_encode_byte(struct iobuf *dest, uint8_t byte);
+
+/* Frame structure:
+
+   [0] Sync byte (0xE0)
+   [1] Destination address
+   [2] Source Address
+   [3] Length of data/payload
+   [4] Data/payload
+        For requests (host to board):
+            [0] Command
+            ... Payload
+        For responses (board to host):
+            [0] Status
+            [1] Command
+            [2] Report
+            ... Payload
+   [n] Checksum: Sum of all prior bytes (excluding sync byte)
+
+   Byte stuffing:
+
+   0xD0 is an escape byte. Un-escape the subsequent byte by adding 1. */
+
+static void led15093_frame_sync(struct iobuf *src)
+{
+    size_t i;
+
+    for (i = 0 ; i < src->pos && src->bytes[i] != LED_15093_FRAME_SYNC ; i++);
+
+    src->pos -= i;
+    memmove(&src->bytes[0], &src->bytes[i], i);
+}
+
+static HRESULT led15093_frame_accept(const struct iobuf *dest)
+{
+    uint8_t checksum;
+    size_t i;
+
+    if (dest->pos < 3 || dest->pos != dest->bytes[3] + 5) {
+        return S_FALSE;
+    }
+
+    checksum = 0;
+
+    for (i = 1 ; i < dest->pos - 1 ; i++) {
+        checksum += dest->bytes[i];
+    }
+
+    // dprintf("LED checksum %02x, expected %02x\n", checksum, dest->bytes[dest->pos - 1]);
+
+    if (checksum != dest->bytes[dest->pos - 1]) {
+        return HRESULT_FROM_WIN32(ERROR_CRC);
+    }
+
+    return S_OK;
+}
+
+HRESULT led15093_frame_decode(struct iobuf *dest, struct iobuf *src)
+{
+    uint8_t byte;
+    bool escape;
+    size_t i;
+    HRESULT hr;
+
+    assert(dest != NULL);
+    assert(dest->bytes != NULL || dest->nbytes == 0);
+    assert(dest->pos <= dest->nbytes);
+    assert(src != NULL);
+    assert(src->bytes != NULL || src->nbytes == 0);
+    assert(src->pos <= src->nbytes);
+
+    led15093_frame_sync(src);
+
+    dest->pos = 0;
+    escape = false;
+
+    for (i = 0, hr = S_FALSE ; i < src->pos && hr == S_FALSE ; i++) {
+        /* Step the FSM to unstuff another byte */
+
+        byte = src->bytes[i];
+
+        if (dest->pos >= dest->nbytes) {
+            hr = HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
+        } else if (i == 0) {
+            dest->bytes[dest->pos++] = byte;
+        } else if (byte == LED_15093_FRAME_SYNC) {
+            hr = E_FAIL;
+        } else if (byte == LED_15093_FRAME_ESC) {
+            if (escape) {
+                hr = E_FAIL;
+            }
+
+            escape = true;
+        } else if (escape) {
+            dest->bytes[dest->pos++] = byte + 1;
+            escape = false;
+        } else {
+            dest->bytes[dest->pos++] = byte;
+        }
+
+        /* Try to accept the packet we've built up so far */
+
+        if (SUCCEEDED(hr)) {
+            hr = led15093_frame_accept(dest);
+        }
+    }
+
+    /* Handle FSM terminal state */
+
+    if (hr != S_FALSE) {
+        /* Frame was either accepted or rejected, remove it from src */
+        memmove(&src->bytes[0], &src->bytes[i], src->pos - i);
+        src->pos -= i;
+    }
+
+    return hr;
+}
+
+HRESULT led15093_frame_encode(
+        struct iobuf *dest,
+        const void *ptr,
+        size_t nbytes)
+{
+    const uint8_t *src;
+    uint8_t checksum;
+    uint8_t byte;
+    size_t i;
+    HRESULT hr;
+
+    assert(dest != NULL);
+    assert(dest->bytes != NULL || dest->nbytes == 0);
+    assert(dest->pos <= dest->nbytes);
+    assert(ptr != NULL);
+
+    src = ptr;
+
+    assert(nbytes >= 3 &&
+            src[0] == LED_15093_FRAME_SYNC &&
+            src[3] + 4 == nbytes);
+
+    if (dest->pos >= dest->nbytes) {
+        return HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
+    }
+
+    dest->bytes[dest->pos++] = LED_15093_FRAME_SYNC;
+    checksum = 0;
+    // dprintf("%02x ", LED_15093_FRAME_SYNC);
+
+    for (i = 1 ; i < nbytes ; i++) {
+        byte = src[i];
+        checksum += byte;
+        // dprintf("%02x ", byte);
+
+        hr = led15093_frame_encode_byte(dest, byte);
+
+        if (FAILED(hr)) {
+            return hr;
+        }
+    }
+    // dprintf("%02x \n", checksum);
+
+    return led15093_frame_encode_byte(dest, checksum);
+}
+
+static HRESULT led15093_frame_encode_byte(struct iobuf *dest, uint8_t byte)
+{
+    if (byte == LED_15093_FRAME_SYNC || byte == LED_15093_FRAME_ESC) {
+        if (dest->pos + 2 > dest->nbytes) {
+            return HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
+        }
+
+        dest->bytes[dest->pos++] = LED_15093_FRAME_ESC;
+        dest->bytes[dest->pos++] = byte - 1;
+    } else {
+        if (dest->pos + 1 > dest->nbytes) {
+            return HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
+        }
+
+        dest->bytes[dest->pos++] = byte;
+    }
+
+    return S_OK;
+}

board/led15093-frame.h

@@ -0,0 +1,34 @@
+#pragma once
+
+#include <windows.h>
+
+#include <stddef.h>
+#include <stdint.h>
+
+#include "hook/iobuf.h"
+
+enum {
+    LED_15093_FRAME_SYNC = 0xE0,
+    LED_15093_FRAME_ESC  = 0xD0,
+};
+
+struct led15093_req_hdr {
+    uint8_t sync;
+    uint8_t dest_adr;
+    uint8_t src_adr;
+    uint8_t nbytes;
+};
+
+struct led15093_resp_hdr {
+    uint8_t sync;
+    uint8_t dest_adr;
+    uint8_t src_adr;
+    uint8_t nbytes;
+};
+
+HRESULT led15093_frame_decode(struct iobuf *dest, struct iobuf *src);
+
+HRESULT led15093_frame_encode(
+        struct iobuf *dest,
+        const void *ptr,
+        size_t nbytes);

board/led15093.h

@@ -0,0 +1,24 @@
+#pragma once
+
+#include <windows.h>
+
+#include <stdbool.h>
+#include <stdint.h>
+
+struct led15093_config {
+    bool enable;
+    bool high_baudrate;
+    unsigned int port_no;
+    char board_number[8];
+    char chip_number[5];
+    char boot_chip_number[5];
+    uint8_t fw_ver;
+    uint16_t fw_sum;
+};
+
+typedef HRESULT (*io_led_init_t)(void);
+typedef void (*io_led_set_leds_t)(uint8_t board, uint8_t *rgb);
+
+HRESULT led15093_hook_init(const struct led15093_config *cfg, io_led_init_t _led_init, 
+    io_led_set_leds_t _set_leds, unsigned int first_port, unsigned int num_boards, uint8_t board_adr, uint8_t host_adr);
+

board/meson.build

@@ -20,6 +20,11 @@ board_lib = static_library(
         'io3.h',
         'io4.c',
         'io4.h',
+        'led15093-cmd.h',
+        'led15093-frame.c',
+        'led15093-frame.h',
+        'led15093.c',
+        'led15093.h',
         'sg-cmd.c',
         'sg-cmd.h',
         'sg-frame.c',

board/sg-cmd.h

@@ -25,6 +25,13 @@ struct sg_res_header {
     uint8_t payload_len;
 };
 
+/* struct to save the version string with its length
+   to fix NUL terminator issues */
+struct version_info {
+    const char *version;
+    uint8_t length;
+};
+
 typedef HRESULT (*sg_dispatch_fn_t)(
         void *ctx,
         const void *req,

board/sg-led-cmd.h

@@ -17,7 +17,7 @@ struct sg_led_res_reset {
 
 struct sg_led_res_get_info {
     struct sg_res_header res;
-    uint8_t payload[9];
+    char payload[12];
 };
 
 struct sg_led_req_set_color {

board/sg-led.c

@@ -27,14 +27,18 @@ static HRESULT sg_led_cmd_set_color(
         const struct sg_led *led,
         const struct sg_led_req_set_color *req);
 
-static const uint8_t sg_led_info[] = {
-    '1', '5', '0', '8', '4', 0xFF, 0x10, 0x00, 0x12,
+static const struct version_info led_version[] = {
+    {"15084\xFF\x10\x00\x12", 9},
+    {"000-00000\xFF\x11\x40", 12},
+    // maybe the same?
+    {"000-00000\xFF\x11\x40", 12}
 };
 
 void sg_led_init(
         struct sg_led *led,
         uint8_t addr,
         const struct sg_led_ops *ops,
+        unsigned int gen,
         void *ctx)
 {
     assert(led != NULL);
@@ -43,6 +47,7 @@ void sg_led_init(
     led->ops = ops;
     led->ops_ctx = ctx;
     led->addr = addr;
+    led->gen = gen;
 }
 
 void sg_led_transact(
@@ -150,8 +155,11 @@ static HRESULT sg_led_cmd_get_info(
         struct sg_led_res_get_info *res)
 {
     sg_led_dprintf(led, "Get info\n");
-    sg_res_init(&res->res, req, sizeof(res->payload));
-    memcpy(res->payload, sg_led_info, sizeof(sg_led_info));
+
+    const struct version_info *fw = &led_version[led->gen - 1];
+
+    sg_res_init(&res->res, req, fw->length);
+    memcpy(res->payload, fw->version, fw->length);
 
     return S_OK;
 }

board/sg-led.h

@@ -15,12 +15,14 @@ struct sg_led {
     const struct sg_led_ops *ops;
     void *ops_ctx;
     uint8_t addr;
+    unsigned int gen;
 };
 
 void sg_led_init(
         struct sg_led *led,
         uint8_t addr,
         const struct sg_led_ops *ops,
+        unsigned int gen,
         void *ctx);
 
 void sg_led_transact(

board/sg-nfc-cmd.h

@@ -15,6 +15,7 @@ enum {
     SG_NFC_CMD_MIFARE_READ_BLOCK    = 0x52,
     SG_NFC_CMD_MIFARE_SET_KEY_AIME  = 0x54,
     SG_NFC_CMD_MIFARE_AUTHENTICATE  = 0x55, /* guess based on time sent */
+    SG_NFC_CMD_SEND_HEX_DATA        = 0x61,
     SG_NFC_CMD_RESET                = 0x62,
     SG_NFC_CMD_FELICA_ENCAP         = 0x71,
 };

board/sg-nfc.c

@@ -65,10 +65,23 @@ static HRESULT sg_nfc_cmd_dummy(
         const struct sg_req_header *req,
         struct sg_res_header *res);
 
+static const struct version_info hw_version[] = {
+    {"TN32MSEC003S H/W Ver3.0", 23},
+    {"837-15286", 9},
+    {"837-15396", 9}
+};
+
+static const struct version_info fw_version[] = {
+    {"TN32MSEC003S F/W Ver1.2", 23},
+    {"\x94", 1},
+    {"\x94", 1}
+};
+
 void sg_nfc_init(
         struct sg_nfc *nfc,
         uint8_t addr,
         const struct sg_nfc_ops *ops,
+        unsigned int gen,
         void *ops_ctx)
 {
     assert(nfc != NULL);
@@ -77,6 +90,7 @@ void sg_nfc_init(
     nfc->ops = ops;
     nfc->ops_ctx = ops_ctx;
     nfc->addr = addr;
+    nfc->gen = gen;
 }
 
 #ifdef NDEBUG
@@ -176,6 +190,7 @@ static HRESULT sg_nfc_dispatch(
     case SG_NFC_CMD_MIFARE_SET_KEY_BANA:
     case SG_NFC_CMD_RADIO_ON:
     case SG_NFC_CMD_RADIO_OFF:
+    case SG_NFC_CMD_SEND_HEX_DATA: // TODO: implement?
         return sg_nfc_cmd_dummy(nfc, &req->simple, &res->simple);
 
     default:
@@ -202,9 +217,11 @@ static HRESULT sg_nfc_cmd_get_fw_version(
         const struct sg_req_header *req,
         struct sg_nfc_res_get_fw_version *res)
 {
+    const struct version_info *fw = &fw_version[nfc->gen - 1];
+
     /* Dest version is not NUL terminated, this is intentional */
-    sg_res_init(&res->res, req, sizeof(res->version));
-    memcpy(res->version, "TN32MSEC003S F/W Ver1.2E", sizeof(res->version));
+    sg_res_init(&res->res, req, fw->length);
+    memcpy(res->version, fw->version, fw->length);
 
     return S_OK;
 }
@@ -214,9 +231,11 @@ static HRESULT sg_nfc_cmd_get_hw_version(
         const struct sg_req_header *req,
         struct sg_nfc_res_get_hw_version *res)
 {
+    const struct version_info *hw = &hw_version[nfc->gen - 1];
+
     /* Dest version is not NUL terminated, this is intentional */
-    sg_res_init(&res->res, req, sizeof(res->version));
-    memcpy(res->version, "TN32MSEC003S H/W Ver3.0J", sizeof(res->version));
+    sg_res_init(&res->res, req, hw->length);
+    memcpy(res->version, hw->version, hw->length);
 
     return S_OK;
 }

board/sg-nfc.h

@@ -22,6 +22,7 @@ struct sg_nfc {
     const struct sg_nfc_ops *ops;
     void *ops_ctx;
     uint8_t addr;
+    unsigned int gen;
     struct felica felica;
     struct mifare mifare;
 };
@@ -30,6 +31,7 @@ void sg_nfc_init(
         struct sg_nfc *nfc,
         uint8_t addr,
         const struct sg_nfc_ops *ops,
+        unsigned int gen,
         void *ops_ctx);
 
 void sg_nfc_transact(

board/sg-reader.c

@@ -48,6 +48,7 @@ static struct sg_led sg_reader_led;
 HRESULT sg_reader_hook_init(
         const struct aime_config *cfg,
         unsigned int port_no,
+        unsigned int gen,
         HINSTANCE self)
 {
     HRESULT hr;
@@ -65,11 +66,25 @@ HRESULT sg_reader_hook_init(
         return hr;
     }
 
-    sg_nfc_init(&sg_reader_nfc, 0x00, &sg_reader_nfc_ops, NULL);
-    sg_led_init(&sg_reader_led, 0x08, &sg_reader_led_ops, NULL);
+    if (cfg->gen != 0) {
+        gen = cfg->gen;
+    }
+
+    if (gen < 1 || gen > 3) {
+        dprintf("NFC Assembly: Invalid reader generation: %u\n", gen);
+
+        return E_INVALIDARG;
+    }
+
+    sg_nfc_init(&sg_reader_nfc, 0x00, &sg_reader_nfc_ops, gen, NULL);
+    sg_led_init(&sg_reader_led, 0x08, &sg_reader_led_ops, gen, NULL);
 
     InitializeCriticalSection(&sg_reader_lock);
 
+    if (!cfg->high_baudrate) {
+        sg_reader_uart.baud.BaudRate = 38400;
+    }
+
     uart_init(&sg_reader_uart, port_no);
     sg_reader_uart.written.bytes = sg_reader_written_bytes;
     sg_reader_uart.written.nbytes = sizeof(sg_reader_written_bytes);

board/sg-reader.h

@@ -9,9 +9,12 @@
 struct aime_config {
     struct aime_dll_config dll;
     bool enable;
+    bool high_baudrate;
+    unsigned int gen;
 };
 
 HRESULT sg_reader_hook_init(
         const struct aime_config *cfg,
         unsigned int port_no,
+        unsigned int gen,
         HINSTANCE self);

board/vfd.c

@@ -26,15 +26,25 @@ static HRESULT vfd_handle_irp(struct irp *irp);
 static struct uart vfd_uart;
 static uint8_t vfd_written[512];
 static uint8_t vfd_readable[512];
+UINT codepage;
 
-HRESULT vfd_hook_init(unsigned int port_no)
+HRESULT vfd_hook_init(const struct vfd_config *cfg, unsigned int port_no)
 {
+    assert(cfg != NULL);
+
+    if (!cfg->enable) {
+        return S_FALSE;
+    }
+
     uart_init(&vfd_uart, port_no);
     vfd_uart.written.bytes = vfd_written;
     vfd_uart.written.nbytes = sizeof(vfd_written);
     vfd_uart.readable.bytes = vfd_readable;
     vfd_uart.readable.nbytes = sizeof(vfd_readable);
 
+    codepage = GetACP();
+    dprintf("VFD: hook enabled.\n");
+
     return iohook_push_handler(vfd_handle_irp);
 }
 
@@ -54,8 +64,60 @@ static HRESULT vfd_handle_irp(struct irp *irp)
         return hr;
     }
 
-    dprintf("VFD TX:\n");
-    dump_iobuf(&vfd_uart.written);
+    uint8_t cmd = 0;
+    uint8_t str_1[512];
+    uint8_t str_2[512];
+    uint8_t str_1_len = 0;
+    uint8_t str_2_len = 0;
+    for (size_t i = 0; i < vfd_uart.written.pos; i++) {
+        if (vfd_uart.written.bytes[i] == 0x1B) {
+            i++;
+            cmd = vfd_uart.written.bytes[i];
+            if (cmd == 0x30) {
+                i += 3;
+            }
+            else if (cmd == 0x50) {
+                i++;
+            }
+            continue;
+        }
+        if (cmd == 0x30) {
+            str_1[str_1_len++] = vfd_uart.written.bytes[i];
+        }
+        else if (cmd == 0x50) {
+            str_2[str_2_len++] = vfd_uart.written.bytes[i];
+        }
+    }
+
+    if (str_1_len) {
+        str_1[str_1_len++] = '\0';
+        if (codepage != 932) {
+            WCHAR buffer[512];
+            MultiByteToWideChar(932, 0, (LPCSTR)str_1, str_1_len, buffer, str_1_len);
+            char str_recode[str_1_len * 3];
+            WideCharToMultiByte(codepage, 0, buffer, str_1_len, str_recode, str_1_len * 3, NULL, NULL);
+            dprintf("VFD: %s\n", str_recode);
+        }
+        else {
+            dprintf("VFD: %s\n", str_1);
+        }
+    }
+
+    if (str_2_len) {
+        str_2[str_2_len++] = '\0';
+        if (codepage != 932) {
+            WCHAR buffer[512];
+            MultiByteToWideChar(932, 0, (LPCSTR)str_2, str_2_len, buffer, str_2_len);
+            char str_recode[str_2_len * 3];
+            WideCharToMultiByte(codepage, 0, buffer, str_2_len, str_recode, str_2_len * 3, NULL, NULL);
+            dprintf("VFD: %s\n", str_recode);
+        } else {
+            dprintf("VFD: %s\n", str_2);
+        }
+    }
+
+    // dprintf("VFD TX:\n");
+    // dump_iobuf(&vfd_uart.written);
     vfd_uart.written.pos = 0;
 
     return hr;

board/vfd.h

@@ -2,4 +2,9 @@
 
 #include <windows.h>
 
-HRESULT vfd_hook_init(unsigned int port_no);
+struct vfd_config {
+    bool enable;
+};
+
+
+HRESULT vfd_hook_init(const struct vfd_config *cfg, unsigned int port_no);

carolhook/carol-dll.c

@@ -21,9 +21,18 @@ const struct dll_bind_sym carol_dll_syms[] = {
     }, {
         .sym = "carol_io_touch_init",
         .off = offsetof(struct carol_dll, touch_init),
+    }, {
+        .sym = "carol_io_ledbd_init",
+        .off = offsetof(struct carol_dll, ledbd_init),
     }, {
         .sym = "carol_io_controlbd_init",
         .off = offsetof(struct carol_dll, controlbd_init),
+    }, {
+        .sym = "carol_io_touch_start",
+        .off = offsetof(struct carol_dll, touch_start),
+    }, {
+        .sym = "carol_io_touch_stop",
+        .off = offsetof(struct carol_dll, touch_stop),
     }
 };
 

carolhook/carol-dll.h

@@ -10,7 +10,10 @@ struct carol_dll {
     void (*jvs_poll)(uint8_t *opbtn, uint8_t *beams);
     void (*jvs_read_coin_counter)(uint16_t *total);
     HRESULT (*touch_init)();
+    HRESULT (*ledbd_init)();
     HRESULT (*controlbd_init)();
+    void (*touch_start)(carol_io_touch_callback_t callback);
+    void (*touch_stop)();
 };
 
 struct carol_dll_config {

carolhook/carolhook.def

@@ -16,4 +16,7 @@ EXPORTS
     carol_io_jvs_poll
     carol_io_jvs_read_coin_counter
     carol_io_touch_init
+    carol_io_ledbd_init
     carol_io_controlbd_init
+    carol_io_touch_start
+    carol_io_touch_stop

carolhook/config.c

@@ -58,6 +58,20 @@ void controlbd_config_load(
             filename);
 }
 
+void ledbd_config_load(
+        struct ledbd_config *cfg,
+        const wchar_t *filename)
+{
+    assert(cfg != NULL);
+    assert(filename != NULL);
+
+    cfg->enable = GetPrivateProfileIntW(
+            L"ledbd",
+            L"enable",
+            1,
+            filename);
+}
+
 
 void carol_hook_config_load(
         struct carol_hook_config *cfg,
@@ -73,4 +87,5 @@ void carol_hook_config_load(
     gfx_config_load(&cfg->gfx, filename);
     touch_config_load(&cfg->touch, filename);
     controlbd_config_load(&cfg->controlbd, filename);
+    ledbd_config_load(&cfg->ledbd, filename);
 }

carolhook/config.h

@@ -13,6 +13,7 @@
 #include "gfxhook/gfx.h"
 
 #include "carolhook/touch.h"
+#include "carolhook/ledbd.h"
 #include "carolhook/controlbd.h"
 
 struct carol_hook_config {
@@ -22,6 +23,7 @@ struct carol_hook_config {
     struct carol_dll_config dll;
     struct gfx_config gfx;
     struct touch_config touch;
+    struct ledbd_config ledbd;
     struct controlbd_config controlbd;
 };
 

carolhook/controlbd.c

@@ -18,10 +18,18 @@
 
 static HRESULT controlbd_handle_irp(struct irp *irp);
 static HRESULT controlbd_handle_irp_locked(struct irp *irp);
-static HRESULT controlbd_frame_decode(struct controlbd_req *dest, struct iobuf *iobuf);
-static HRESULT controlbd_frame_dispatch(struct controlbd_req *dest);
+static HRESULT controlbd_frame_decode(struct controlbd_req_any *dest, struct iobuf *src);
+static HRESULT controlbd_set_header(struct controlbd_resp_hdr *resp, uint8_t cmd, uint8_t len);
+static uint8_t calc_checksum(void *data, size_t len);
 
-static HRESULT controlbd_req_nop(uint8_t cmd);
+static HRESULT controlbd_req_dispatch(const struct controlbd_req_any *req);
+static HRESULT controlbd_req_ack_any(uint8_t cmd);
+static HRESULT controlbd_req_reset(void);
+static HRESULT controlbd_req_get_board_info(void);
+static HRESULT controlbd_req_firmware_checksum(void);
+static HRESULT controlbd_req_polling(const struct controlbd_req_any *req);
+
+const uint8_t CONTROLBD_SYNC_BYTE = 0xE0;
 
 static CRITICAL_SECTION controlbd_lock;
 static struct uart controlbd_uart;
@@ -36,7 +44,7 @@ HRESULT controlbd_hook_init(const struct controlbd_config *cfg)
 
     InitializeCriticalSection(&controlbd_lock);
 
-    uart_init(&controlbd_uart, 11);
+    uart_init(&controlbd_uart, 12);
     controlbd_uart.written.bytes = controlbd_written_bytes;
     controlbd_uart.written.nbytes = sizeof(controlbd_written_bytes);
     controlbd_uart.readable.bytes = controlbd_readable_bytes;
@@ -64,10 +72,49 @@ static HRESULT controlbd_handle_irp(struct irp *irp)
     return hr;
 }
 
+static HRESULT controlbd_frame_decode(struct controlbd_req_any *req, struct iobuf *src)
+{
+    uint8_t data_len = 0;
+    uint8_t checksum_pos = src->pos - 1;
+    uint8_t calculated_checksum = 0;
+    uint8_t checksum = 0;
+    
+    if (src->pos < 6) {
+        dprintf("Control Board: Decode Error, request too short (pos is 0x%08X)\n", (int)src->pos);
+        return SEC_E_BUFFER_TOO_SMALL;
+    }
+
+    req->hdr.sync = src->bytes[0];
+    req->hdr.dest = src->bytes[1];
+    req->hdr.src = src->bytes[2];
+    req->hdr.len = src->bytes[3];
+    req->hdr.cmd = src->bytes[4];
+    data_len = req->hdr.len;
+    src->pos -= 5;
+
+    for (int i = 0; i < data_len; i++) {
+        if (src->pos == 0) {
+            break;
+        }
+        req->bytes[i] = src->bytes[i + 5];
+        src->pos --;
+    }
+
+    checksum = src->bytes[checksum_pos];
+    calculated_checksum = calc_checksum(req, checksum_pos);
+
+    if (checksum != calculated_checksum) {
+        dprintf("Control Board: Decode Error, checksum failure (expected 0x%02X, got 0x%02X)\n", calculated_checksum, checksum);
+        return HRESULT_FROM_WIN32(ERROR_CRC);
+    }
+
+    return S_OK;
+}
+
 static HRESULT controlbd_handle_irp_locked(struct irp *irp)
 {
-    struct controlbd_req req;
     HRESULT hr;
+    struct controlbd_req_any req;
 
     assert(carol_dll.controlbd_init != NULL);
 
@@ -76,7 +123,7 @@ static HRESULT controlbd_handle_irp_locked(struct irp *irp)
         hr = carol_dll.controlbd_init();
 
         if (FAILED(hr)) {
-            dprintf("Control Board: Backend DLL error: %x\n", (int) hr);
+            dprintf("Control Board: Backend DLL error: 0X%X\n", (int) hr);
 
             return hr;
         }
@@ -89,90 +136,204 @@ static HRESULT controlbd_handle_irp_locked(struct irp *irp)
     }
 
     for (;;) {
+        if (controlbd_uart.written.bytes[0] == 0xE0) {
 #if 0
             dprintf("Control Board: TX Buffer:\n");
             dump_iobuf(&controlbd_uart.written);
 #endif
             hr = controlbd_frame_decode(&req, &controlbd_uart.written);
-
             if (FAILED(hr)) {
-            dprintf("Control Board: Deframe Error: %x\n", (int) hr);
-
+                dprintf("Control Board: Deframe error: %x\n", (int) hr);
                 return hr;
             }
 
-        hr = controlbd_frame_dispatch(&req);
+            hr = controlbd_req_dispatch(&req);            
             if (FAILED(hr)) {
-            dprintf("Control Board: Dispatch Error: %x\n", (int) hr);
-
+                dprintf("Control Board: Dispatch Error: 0X%X\n", (int) hr);
+                return hr;
+            }
+#if 0
+            dprintf("Control Board: RX Buffer:\n");
+            dump_iobuf(&controlbd_uart.readable);
+#endif
+            controlbd_uart.written.pos = 0;
             return hr;
         }
 
+        // The board has a LPC111x bootloader that gets ran over every boot
+        // this is to account for that.
+        char cmd[255];
+        strcpy_s(cmd, 255, (char *)controlbd_uart.written.bytes);
+        cmd[controlbd_uart.written.pos] = '\0';
+
+        if (!strcmp(cmd, "?")) {
+            dprintf("Control Board: Bootloader Hello\n");
+        }
+        else if (!strcmp(cmd, "Synchronized\r\n")) {
+            iobuf_write(&controlbd_uart.readable, "Synchronized\r\nNG\r\n", 19);
+            // Set this to OK instead of NG to do an update
+        }
+        else if (!strcmp(cmd, "12000\r\n")) {
+            iobuf_write(&controlbd_uart.readable, "12000\r\nOK\r\n", 12);
+        }
+        else {
+            // Everything other then the two commands above just want 0\r\n
+            // appended to the request as the response. Given that it only checks sometimes,
+            // it's safe to just run over the readable buffer every response.
+            controlbd_uart.readable.pos = 0;
+            cmd[controlbd_uart.written.pos] = '0';
+            cmd[controlbd_uart.written.pos + 1] = '\r';
+            cmd[controlbd_uart.written.pos + 2] = '\n';
+            cmd[controlbd_uart.written.pos + 3] = '\0';
+            // dprintf("Control Board: Return %s\n", cmd);
+            iobuf_write(&controlbd_uart.readable, cmd, controlbd_uart.written.pos + 3);
+        }
+
+        controlbd_uart.written.pos = 0;
         return hr;
     }
 }
 
-static HRESULT controlbd_frame_dispatch(struct controlbd_req *req)
+static HRESULT controlbd_req_dispatch(const struct controlbd_req_any *req)
 {
-    switch (req->cmd) {
-    case CONTROLBD_CMD_UNK_11:
-        return controlbd_req_nop(req->cmd);
+    switch (req->hdr.cmd) {
+    case CONTROLBD_CMD_RESET:
+        return controlbd_req_reset();
+
+    case CONTROLBD_CMD_BDINFO:
+        return controlbd_req_get_board_info();
+
+    case CONTROLBD_CMD_FIRM_SUM:
+        return controlbd_req_firmware_checksum();
+
+    case CONTROLBD_CMD_TIMEOUT:        
+        dprintf("Control Board: Acknowledge Timeout\n");
+        return controlbd_req_ack_any(req->hdr.cmd);
+
+    case CONTROLBD_CMD_PORT_SETTING:
+        dprintf("Control Board: Acknowledge Port Setting\n");
+        return controlbd_req_ack_any(req->hdr.cmd);
+
+    case CONTROLBD_CMD_INITIALIZE:
+        dprintf("Control Board: Acknowledge Initialize\n");
+        return controlbd_req_ack_any(req->hdr.cmd);
+
+    case CONTROLBD_CMD_POLLING:
+        return controlbd_req_polling(req);
+
     default:
-        dprintf("Unhandled command %#02x\n", req->cmd);
-
-        return S_OK;
+        dprintf("Unhandled command 0x%02x\n", req->hdr.cmd);
+        return controlbd_req_ack_any(req->hdr.cmd);
     }
 }
 
-static HRESULT controlbd_req_nop(uint8_t cmd)
+static HRESULT controlbd_set_header(struct controlbd_resp_hdr *resp, uint8_t cmd, uint8_t len)
 {
-    dprintf("Control Board: No-op cmd %#02x\n", cmd);
-
-    controlbd_uart.readable.bytes[controlbd_uart.readable.pos++] = 0xE0;
-    controlbd_uart.readable.bytes[controlbd_uart.readable.pos++] = 0x01;
-    controlbd_uart.readable.bytes[controlbd_uart.readable.pos++] = 0x11;
-    controlbd_uart.readable.bytes[controlbd_uart.readable.pos++] = 0x03;
-    controlbd_uart.readable.bytes[controlbd_uart.readable.pos++] = 0x01;
-    controlbd_uart.readable.bytes[controlbd_uart.readable.pos++] = 0x10;
-    controlbd_uart.readable.bytes[controlbd_uart.readable.pos++] = 0x01;
-    controlbd_uart.readable.bytes[controlbd_uart.readable.pos++] = 0x27;
-
+    resp->sync = CONTROLBD_SYNC_BYTE;
+    resp->dest = 0x01;
+    resp->src = 0x02;
+    resp->len = len;
+    resp->report = 0x01;
+    resp->cmd = cmd;
     return S_OK;
 }
 
-/* Decodes the response into a struct that's easier to work with. */
-static HRESULT controlbd_frame_decode(struct controlbd_req *dest, struct iobuf *iobuf)
+static uint8_t calc_checksum(void *data, size_t len)
 {
-    int initial_pos = iobuf->pos;
-    uint8_t check = 0;
+    uint8_t *stuff;
+    stuff = data;
+    uint8_t checksum = 0;
+    uint16_t tmp = 0;
 
-    dest->sync = iobuf->bytes[0];
-    iobuf->pos--;
-
-    dest->cmd = iobuf->bytes[1];
-    iobuf->pos--;
-    check += dest->cmd;
-
-    dest->checksum = iobuf->bytes[initial_pos - 1];
-    iobuf->pos--;
-
-    dest->data_length = initial_pos - 3; // sync, cmd, checksum
-    if (dest->data_length > 0) {
-        for (int i = 0; i < dest->data_length; i++) {
-            dest->data[i] = iobuf->bytes[i+2];
-            check += dest->data[i];
-        }
-    }
-    iobuf->pos -= dest->data_length;
-
-    if (dest->sync != 0xe0) {
-        dprintf("Control Board: Sync error, expected 0xe0, got %x\n", dest->sync);
-        return E_FAIL;
-    }
-    if (dest->checksum != check) {
-        dprintf("Control Board: Checksum error, expected %x, got %x\n", check, dest->checksum);
-        return E_FAIL;
+    for (int i = 1; i < len; i++) {
+        tmp = checksum + stuff[i];
+        checksum = tmp & 0xFF;
     }
 
-    return S_OK;
+    return checksum;
+}
+
+static HRESULT controlbd_req_reset(void)
+{
+    struct controlbd_resp_reset resp;
+
+    dprintf("Control Board: Reset\n");
+
+    controlbd_set_header(&resp.hdr, CONTROLBD_CMD_RESET, 2);
+    resp.checksum = 0;
+
+    // No data, just ack
+    resp.checksum = calc_checksum(&resp, sizeof(resp));
+    return iobuf_write(&controlbd_uart.readable, &resp, sizeof(resp));
+
+}
+
+static HRESULT controlbd_req_get_board_info(void)
+{
+    struct controlbd_resp_bdinfo resp;
+    memset(&resp, 0, sizeof(resp));
+    dprintf("Control Board: Get Board Info\n");
+    controlbd_set_header(&resp.hdr, CONTROLBD_CMD_BDINFO, 21);
+
+    resp.rev = 0x90;
+    resp.bfr_size = 0x0001;
+    resp.ack = 1;
+    
+    strcpy_s(resp.bd_no, sizeof(resp.bd_no), "15312   ");
+    strcpy_s(resp.chip_no, sizeof(resp.chip_no), "6699 ");
+    resp.chip_no[5] = 0xFF;
+    resp.bd_no[8] = 0x0A;
+
+    resp.checksum = calc_checksum(&resp, sizeof(resp));
+
+    return iobuf_write(&controlbd_uart.readable, &resp, sizeof(resp));
+}
+
+static HRESULT controlbd_req_firmware_checksum(void)
+{
+    struct controlbd_resp_fw_checksum resp;
+    memset(&resp, 0, sizeof(resp));
+    dprintf("Control Board: Get Firmware Checksum\n");
+    controlbd_set_header(&resp.hdr, CONTROLBD_CMD_FIRM_SUM, 5);
+
+    resp.ack = 1;
+    resp.fw_checksum = 0x1b36; // This could change with an update... oh well
+    resp.checksum = calc_checksum(&resp, sizeof(resp));
+
+    return iobuf_write(&controlbd_uart.readable, &resp, sizeof(resp));
+}
+
+static HRESULT controlbd_req_polling(const struct controlbd_req_any *req)
+{
+    struct controlbd_req_polling req_struct;
+    memset(&req_struct, 0, sizeof(req_struct));
+    memcpy_s(&req_struct, sizeof(req_struct), req, sizeof(req_struct));
+    struct controlbd_resp_polling resp;
+    memset(&resp, 0, sizeof(resp));
+    controlbd_set_header(&resp.hdr, CONTROLBD_CMD_POLLING, 16);
+    // TODO: Figure out output (pen vibration, etc)
+
+    resp.ack = 1;
+    resp.unk7 = 3;
+    resp.unk8 = 1;
+    resp.unk9 = 1;
+    
+    resp.btns_pressed = 0; // bit 1 is pen button, bit 2 is dodge
+    resp.coord_x = 0x0;
+    resp.coord_y = 0x0;
+    resp.checksum = calc_checksum(&resp, sizeof(resp));
+
+    return iobuf_write(&controlbd_uart.readable, &resp, sizeof(resp));
+}
+
+static HRESULT controlbd_req_ack_any(uint8_t cmd)
+{
+    struct controlbd_resp_any_ack resp;
+    memset(&resp, 0, sizeof(resp));
+    controlbd_set_header(&resp.hdr, cmd, 3);
+
+    resp.ack = 1;
+    resp.checksum = calc_checksum(&resp, sizeof(resp));
+
+    return iobuf_write(&controlbd_uart.readable, &resp, sizeof(resp));
 }

carolhook/controlbd.h

@@ -1,5 +1,7 @@
 #pragma once
 #include <windows.h>
+#include <stdbool.h>
+#include <stdint.h>
 
 #include <stdbool.h>
 #include <stdint.h>
@@ -7,15 +9,140 @@
 struct controlbd_config {
     bool enable;
 };
-enum controlbd_cmd {
-    CONTROLBD_CMD_UNK_11 = 0x11
-};
-struct controlbd_req {
-    uint8_t sync; // First byte is the sync
-    uint8_t cmd; // Command byte    
-    uint8_t data[256]; // Request body goes here
-    uint8_t checksum; // Final byte is all bytes added, except the sync
-    uint8_t data_length; // Size of the data including command byte
+
+#pragma pack(push, 1)
+struct controlbd_req_hdr {
+    uint8_t sync;
+    uint8_t dest; // unsure
+    uint8_t src; // unsure
+    uint8_t len; // length of the rest of the request minus checksum
+    uint8_t cmd;
 };
 
+struct controlbd_req_any {
+    struct controlbd_req_hdr hdr;
+    uint8_t bytes[255];
+};
+
+struct controlbd_req_reset {
+    struct controlbd_req_hdr hdr;
+    uint8_t payload;
+    uint8_t checksum;
+};
+
+struct controlbd_req_bdinfo {
+    struct controlbd_req_hdr hdr;
+    uint8_t checksum;
+};
+
+struct controlbd_req_fw_checksum {
+    struct controlbd_req_hdr hdr;
+    uint8_t checksum;
+};
+
+struct controlbd_req_timeout {
+    struct controlbd_req_hdr hdr;
+    uint8_t unknown;
+    uint8_t checksum;
+};
+
+struct controlbd_req_polling {
+    struct controlbd_req_hdr hdr;
+    uint8_t unknown[20];
+    uint8_t checksum;
+};
+
+struct controlbd_resp_hdr {
+    uint8_t sync;
+    uint8_t dest; // unsure
+    uint8_t src; // unsure
+    uint8_t len; // length of the rest of the request minus checksum
+    uint8_t report; // 0x01 for success, anything else for failure
+    uint8_t cmd;
+};
+
+struct controlbd_resp_any {
+    struct controlbd_resp_hdr hdr;
+    uint8_t bytes[255];
+};
+
+struct controlbd_resp_any_ack {
+    struct controlbd_resp_hdr hdr;
+    uint8_t ack;
+    uint8_t checksum;
+};
+
+struct controlbd_resp_reset {
+    struct controlbd_resp_hdr hdr;
+    uint8_t checksum;
+};
+
+struct controlbd_resp_bdinfo {
+    struct controlbd_resp_hdr hdr;
+    uint8_t ack;
+    char bd_no[9];
+    char chip_no[6];
+    uint8_t rev;
+    uint16_t bfr_size;
+    uint8_t checksum;
+};
+
+struct controlbd_resp_fw_checksum {
+    struct controlbd_resp_hdr hdr;
+    uint8_t ack;
+    uint16_t fw_checksum;
+    uint8_t checksum;
+};
+
+struct controlbd_resp_polling {
+    struct controlbd_resp_hdr hdr;
+    uint8_t ack;
+    uint8_t unk7;
+    uint8_t unk8;
+    uint8_t unk9;    
+    uint8_t btns_pressed;
+    uint8_t blob[7];
+    int8_t coord_x;
+    int8_t coord_y;
+    uint8_t checksum;
+};
+
+enum {
+    PEN_BTN_PRESSED_BIT = 1,
+    DODGE_BTN_PRESSED_BIT = 2
+};
+
+enum {
+    CONTROLBD_CMD_RESET = 0x10,
+    CONTROLBD_CMD_TIMEOUT = 0x11,
+    CONTROLBD_CMD_RETRY = 0x12,
+
+    CONTROLBD_CMD_GETIN = 0x20,
+    CONTROLBD_CMD_GETADI = 0x21,
+
+    CONTROLBD_CMD_SETOUTPUT = 0x30,
+
+    CONTROLBD_CMD_INITIALIZE = 0x80,
+    CONTROLBD_CMD_POLLING = 0x81,
+    CONTROLBD_CMD_CUSTOM_PATTERN = 0x82,
+    CONTROLBD_CMD_DEBUG_CAROL = 0x83,
+    CONTROLBD_CMD_POLLING_GENERAL = 0x84,
+
+    CONTROLBD_CMD_CMD_STATUS = 0x90,
+    CONTROLBD_CMD_PORT_SETTING = 0x91,
+    CONTROLBD_CMD_PWM_DUTY = 0x92,
+    CONTROLBD_CMD_LED_SET = 0x93,
+    CONTROLBD_CMD_LED_REFRESH = 0x94,
+
+    CONTROLBD_CMD_DEBUG_UART = 0xB0,
+    CONTROLBD_CMD_DEBUG_I2C = 0xB1,
+
+    CONTROLBD_CMD_DEBUG_STATUS = 0xC0,
+
+    CONTROLBD_CMD_BDINFO = 0xF0,
+    CONTROLBD_CMD_FIRM_SUM = 0xF2,
+    CONTROLBD_CMD_PROTOCOL = 0xF3,
+    CONTROLBD_CMD_UPDATE = 0xFE,
+};
+#pragma pack(pop)
 HRESULT controlbd_hook_init(const struct controlbd_config *cfg);

carolhook/dllmain.c

@@ -12,13 +12,15 @@
 #include "carolhook/carol-dll.h"
 #include "carolhook/jvs.h"
 #include "carolhook/touch.h"
+#include "carolhook/ledbd.h"
 #include "carolhook/controlbd.h"
-#include "carolhook/serial.h"
 
 #include "hook/process.h"
 
 #include "hooklib/serial.h"
 #include "hooklib/spike.h"
+#include "hooklib/createprocess.h"
+#include "hooklib/cursor.h"
 
 #include "platform/platform.h"
 
@@ -30,17 +32,43 @@ static struct carol_hook_config carol_hook_cfg;
 
 /*
 COM Layout
-01:(?) Touchscreen
+01: Touchscreen
 10: Aime reader
-11: Control board
-12(?): LED Board
+11: LED board
+12: Control Board
 */
 
 static DWORD CALLBACK carol_pre_startup(void)
 {
     HRESULT hr;
+    HMODULE d3dc;
+    HMODULE dbghelp;
 
     dprintf("--- Begin carol_pre_startup ---\n");
+    if ( !SetProcessDPIAware() )
+        dprintf("Failed to set process DPI awareness level!\n");
+    
+    /* Pin the D3D shader compiler. This makes startup much faster. */
+
+    d3dc = LoadLibraryW(L"D3DCompiler_43.dll");
+
+    if (d3dc != NULL) {
+        dprintf("Pinned shader compiler, hMod=%p\n", d3dc);
+    } else {
+        dprintf("Failed to load shader compiler!\n");
+    }
+
+    /* Pin dbghelp so the path hooks apply to it. */
+
+    dbghelp = LoadLibraryW(L"dbghelp.dll");
+
+    if (dbghelp != NULL) {
+        dprintf("Pinned debug helper library, hMod=%p\n", dbghelp);
+    } else {
+        dprintf("Failed to load debug helper library!\n");
+    }
+
+    cursor_hook_init();
 
     /* Config load */
 
@@ -74,7 +102,7 @@ static DWORD CALLBACK carol_pre_startup(void)
         goto fail;
     }
 
-    hr = sg_reader_hook_init(&carol_hook_cfg.aime, 10, carol_hook_mod);
+    hr = sg_reader_hook_init(&carol_hook_cfg.aime, 10, 1, carol_hook_mod);
 
     if (FAILED(hr)) {
         goto fail;
@@ -82,8 +110,6 @@ static DWORD CALLBACK carol_pre_startup(void)
 
     gfx_hook_init(&carol_hook_cfg.gfx);
     gfx_d3d9_hook_init(&carol_hook_cfg.gfx, carol_hook_mod);    
-    //serial_init();
-    
 
     hr = touch_hook_init(&carol_hook_cfg.touch);
     
@@ -91,12 +117,23 @@ static DWORD CALLBACK carol_pre_startup(void)
         goto fail;
     }
 
+    hr = ledbd_hook_init(&carol_hook_cfg.ledbd);
+    
+    if (FAILED(hr)) {
+        goto fail;
+    }
+
     hr = controlbd_hook_init(&carol_hook_cfg.controlbd);
     
     if (FAILED(hr)) {
         goto fail;
     }
     
+    hr = createprocess_push_hook_a(".\\15312firm\\firmupdate_1113.exe", "inject -d -k carolhook.dll ", NULL, false);
+    
+    if (FAILED(hr)) {
+        goto fail;
+    }
     /* Initialize debug helpers */
 
     spike_hook_init(L".\\segatools.ini");

carolhook/ledbd.c

@@ -0,0 +1,168 @@
+#include <windows.h>
+
+#include <assert.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <string.h>
+
+#include "hook/iobuf.h"
+#include "hook/iohook.h"
+
+#include "carolhook/carol-dll.h"
+#include "carolhook/ledbd.h"
+
+#include "hooklib/uart.h"
+
+#include "util/dprintf.h"
+#include "util/dump.h"
+
+#include "board/slider-frame.h"
+#include "board/slider-cmd.h"
+
+static HRESULT ledbd_handle_irp(struct irp *irp);
+static HRESULT ledbd_handle_irp_locked(struct irp *irp);
+static HRESULT ledbd_frame_dispatch(const union slider_req_any *dest);
+
+static HRESULT ledbd_req_noop(uint8_t cmd);
+static HRESULT ledbd_req_unk7c(uint8_t cmd);
+static HRESULT ledbd_req_unkF0(uint8_t cmd);
+
+static CRITICAL_SECTION ledbd_lock;
+static struct uart ledbd_uart;
+static uint8_t ledbd_written_bytes[520];
+static uint8_t ledbd_readable_bytes[520];
+
+HRESULT ledbd_hook_init(const struct ledbd_config *cfg)
+{
+    if (!cfg->enable) {
+        return S_OK;
+    }
+
+    InitializeCriticalSection(&ledbd_lock);
+
+    uart_init(&ledbd_uart, 11);
+    ledbd_uart.written.bytes = ledbd_written_bytes;
+    ledbd_uart.written.nbytes = sizeof(ledbd_written_bytes);
+    ledbd_uart.readable.bytes = ledbd_readable_bytes;
+    ledbd_uart.readable.nbytes = sizeof(ledbd_readable_bytes);
+
+    dprintf("LED Board: Init\n");
+
+    return iohook_push_handler(ledbd_handle_irp);
+}
+
+static HRESULT ledbd_handle_irp(struct irp *irp)
+{
+    HRESULT hr;
+
+    assert(irp != NULL);
+
+    if (!uart_match_irp(&ledbd_uart, irp)) {
+        return iohook_invoke_next(irp);
+    }
+
+    EnterCriticalSection(&ledbd_lock);
+    hr = ledbd_handle_irp_locked(irp);
+    LeaveCriticalSection(&ledbd_lock);
+
+    return hr;
+}
+
+static HRESULT ledbd_handle_irp_locked(struct irp *irp)
+{
+    union slider_req_any req;
+    struct iobuf req_iobuf;
+    HRESULT hr;
+
+    assert(carol_dll.ledbd_init != NULL);
+
+    if (irp->op == IRP_OP_OPEN) {
+        dprintf("LED Board: Starting backend DLL\n");
+        hr = carol_dll.ledbd_init();
+
+        if (FAILED(hr)) {
+            dprintf("LED Board: Backend DLL error: 0X%X\n", (int) hr);
+
+            return hr;
+        }
+    }
+
+    hr = uart_handle_irp(&ledbd_uart, irp);
+
+    if (FAILED(hr) || irp->op != IRP_OP_WRITE) {
+        return hr;
+    }
+
+    for (;;) {
+#if 0
+        dprintf("LED Board: TX Buffer:\n");
+        dump_iobuf(&ledbd_uart.written);
+#endif
+        req_iobuf.bytes = req.bytes;
+        req_iobuf.nbytes = sizeof(req.bytes);
+        req_iobuf.pos = 0;
+
+        hr = slider_frame_decode(&req_iobuf, &ledbd_uart.written);
+
+        if (FAILED(hr)) {
+            dprintf("LED Board: Deframe Error: 0X%X\n", (int) hr);
+
+            return hr;
+        }
+
+        hr = ledbd_frame_dispatch(&req);
+        if (FAILED(hr)) {
+            dprintf("LED Board: Dispatch Error: 0X%X\n", (int) hr);
+
+            return hr;
+        }
+
+        return hr;
+    }
+}
+
+static HRESULT ledbd_frame_dispatch(const union slider_req_any *req)
+{
+    switch (req->hdr.cmd) {
+    case LEDBD_CMD_UNK_10:
+        return ledbd_req_noop(req->hdr.cmd);
+    case LEDBD_CMD_UNK_7C:
+        return ledbd_req_unk7c(req->hdr.cmd);
+    case LEDBD_CMD_UNK_F0:
+        return ledbd_req_unkF0(req->hdr.cmd);
+    case LEDBD_CMD_UNK_30:
+        return ledbd_req_noop(req->hdr.cmd);
+    default:
+        //dprintf("Unhandled command 0x%02X\n", req->cmd);
+        return ledbd_req_noop(req->hdr.cmd);
+    }
+}
+
+static HRESULT ledbd_req_noop(uint8_t cmd)
+{
+    //dprintf("LED Board: Noop cmd 0x%02X\n", cmd);
+    uint8_t resp[] = { 0xE0, 0x01, 0x11, 0x03, 0x01, 0x00, 0x01, 0x17 };
+    resp[5] = cmd;
+    resp[7] = 0x17 + cmd;
+    iobuf_write(&ledbd_uart.readable, resp, 8);
+
+    return S_OK;
+}
+
+static HRESULT ledbd_req_unk7c(uint8_t cmd)
+{
+    //dprintf("LED Board: Cmd 0x7C\n");
+    uint8_t resp[] = { 0xE0, 0x01, 0x11, 0x04, 0x01, 0x7C, 0x01, 0x07, 0x9B };
+    iobuf_write(&ledbd_uart.readable, resp, 9);
+
+    return S_OK;
+}
+
+static HRESULT ledbd_req_unkF0(uint8_t cmd)
+{
+    //dprintf("LED Board: Cmd 0xF0\n");
+    uint8_t resp[] = { 0xE0, 0x01, 0x11, 0x0A, 0x01, 0xF0, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0E };
+    iobuf_write(&ledbd_uart.readable, resp, 16);
+
+    return S_OK;
+}

carolhook/ledbd.h

@@ -0,0 +1,28 @@
+#pragma once
+#include <windows.h>
+
+#include <stdbool.h>
+#include <stdint.h>
+
+struct ledbd_config {
+    bool enable;
+};
+
+enum ledbd_cmd {
+    LEDBD_CMD_UNK_10 = 0x10,
+    LEDBD_CMD_UNK_7C = 0x7C,
+    LEDBD_CMD_UNK_30 = 0x30,
+    LEDBD_CMD_UNK_F0 = 0xF0,
+};
+
+struct ledbd_req {
+    uint8_t sync; // Sync byte, always 0xE0
+    uint8_t dest; // command destination id?
+    uint8_t src; // command source id?
+    uint8_t data_len; // length of the proceeding data bytes
+    uint8_t cmd; // might be the command byte?
+    uint8_t data[255]; // rest of the data, len = data_len - 1
+    uint8_t checksum; // final byte is all bytes (excluding sync) added
+};
+
+HRESULT ledbd_hook_init(const struct ledbd_config *cfg);

carolhook/meson.build

@@ -32,7 +32,7 @@ shared_library(
         'touch.h',
         'controlbd.c',
         'controlbd.h',
-        'serial.c',
-        'serial.h',
+        'ledbd.c',
+        'ledbd.h',
     ],
 )

carolhook/serial.c

@@ -1,39 +0,0 @@
-#include <windows.h>
-#include <winbase.h>
-
-#include "hook/table.h"
-
-#include "util/dprintf.h"
-
-static BOOL WINAPI my_SetCommState(HANDLE hFile,  LPDCB lpDCB);
-static BOOL (WINAPI *next_SetCommState)(HANDLE hFile,  LPDCB lpDCB);
-static void com_hook_insert_hooks(HMODULE target);
-
-static const struct hook_symbol win32_hooks[] = {
-    {
-        .name = "SetCommState",
-        .patch = my_SetCommState,
-        .link = (void **) &next_SetCommState
-    }
-};
-
-void serial_init()
-{
-    com_hook_insert_hooks(NULL);
-    dprintf("Serial: Spy init\n");
-}
-
-static void com_hook_insert_hooks(HMODULE target)
-{
-    hook_table_apply(
-            target,
-            "kernel32.dll",
-            win32_hooks,
-            _countof(win32_hooks));
-}
-
-static BOOL WINAPI my_SetCommState(HANDLE hFile,  LPDCB lpDCB)
-{
-    dprintf("Serial: my_SetCommState with baudrate %ld\n", lpDCB->BaudRate);
-    return next_SetCommState(hFile, lpDCB);
-}

carolhook/serial.h

@@ -1,5 +0,0 @@
-#pragma once
-#include <windows.h>
-#include <winbase.h>
-
-void serial_init();

carolhook/touch.c

@@ -8,19 +8,46 @@
 #include "carolhook/carol-dll.h"
 #include "carolhook/touch.h"
 
+#include "hook/table.h"
+
 #include "hooklib/uart.h"
 
 #include "util/dprintf.h"
 #include "util/dump.h"
 
+/**
+ * CMDS for touch thing
+ * CX -> Calibrate Extend, preform callibration
+ * MS -> Mode Stream, enters stream mode
+ * R  -> Reset, resets the device
+ * RD -> Reset Default, Resets the device to factory
+ * Z  -> Null, keepalive command
+ * NM -> Name, return the name of the device (not documented?)
+ * OI -> Output Identity, output unique device identity, SC followed by 4 characters
+ * UT -> Unit Type, returns controller unit type + status
+ */
+
 static HRESULT touch_handle_irp(struct irp *irp);
 static HRESULT touch_handle_irp_locked(struct irp *irp);
 static HRESULT touch_frame_decode(struct touch_req *dest, struct iobuf *iobuf);
 
+static HRESULT handle_touch_ack_cmd(const struct touch_req *req);
+static HRESULT handle_touch_name_cmd(const struct touch_req *req);
+static HRESULT handle_touch_id_cmd(const struct touch_req *req);
+static HRESULT handle_touch_unit_type_cmd(const struct touch_req *req);
+static void touch_scan_auto(const bool is_pressed, const uint16_t mouse_x, const uint16_t mouse_y);
+
 static CRITICAL_SECTION touch_lock;
 static struct uart touch_uart;
-static uint8_t touch_written_bytes[520];
-static uint8_t touch_readable_bytes[520];
+static uint8_t touch_written_bytes[528];
+static uint8_t touch_readable_bytes[528];
+static bool should_stream = false;
+static bool last_pressed;
+static uint8_t last_x1;
+static uint8_t last_x2;
+static uint8_t last_y1;
+static uint8_t last_y2;
+
 
 HRESULT touch_hook_init(const struct touch_config *cfg)
 {
@@ -69,9 +96,10 @@ static HRESULT touch_handle_irp_locked(struct irp *irp)
     if (irp->op == IRP_OP_OPEN) {
         dprintf("Touchscreen: Starting backend DLL\n");
         hr = carol_dll.touch_init();
+        carol_dll.touch_start(touch_scan_auto);
 
         if (FAILED(hr)) {
-            dprintf("Touchscreen: Backend DLL error: %x\n", (int) hr);
+            dprintf("Touchscreen: Backend DLL error: %X\n", (int) hr);
 
             return hr;
         }
@@ -84,35 +112,142 @@ static HRESULT touch_handle_irp_locked(struct irp *irp)
     }
 
     for (;;) {
-#if 1
+#if 0
         dprintf("Touchscreen: TX Buffer:\n");
         dump_iobuf(&touch_uart.written);
 #endif
         hr = touch_frame_decode(&req, &touch_uart.written);
 
         if (FAILED(hr)) {
-            dprintf("Touchscreen: Deframe Error: %x\n", (int) hr);
+            dprintf("Touchscreen: Deframe Error: %X\n", (int) hr);
 
             return hr;
         }
 
+        if (!strcmp("Z", (char *)req.cmd)) {
+            hr = handle_touch_ack_cmd(&req);
+        }
+        else if (!strcmp("OI", (char *)req.cmd)) {
+            hr = handle_touch_id_cmd(&req);
+        }
+        else if (!strcmp("UT", (char *)req.cmd)) {
+            hr = handle_touch_unit_type_cmd(&req);
+        }
+        else if (!strcmp("NM", (char *)req.cmd)) {
+            hr = handle_touch_name_cmd(&req);
+        }
+        else if (!strcmp("R", (char *)req.cmd)) {
+            carol_dll.touch_stop();
+            dprintf("Touch: Reset\n");
+            hr = handle_touch_ack_cmd(&req);
+        }
+        else {
+            dprintf("Touchscreen: Unhandled cmd %s\n", (char *)req.cmd);
+            hr = handle_touch_ack_cmd(&req);
+        }
+
         return hr;
     }
 }
 
+static HRESULT handle_touch_ack_cmd(const struct touch_req *req)
+{
+    return iobuf_write(&touch_uart.readable, "\0010\015", 3);
+}
+
+static HRESULT handle_touch_name_cmd(const struct touch_req *req)
+{
+    dprintf("Touch: Get Name\n");
+    return iobuf_write(&touch_uart.readable, "\001AD1000\015", 15);
+}
+
+static HRESULT handle_touch_id_cmd(const struct touch_req *req)
+{
+    dprintf("Touch: Get ID\n");
+    return iobuf_write(&touch_uart.readable, "\001AD1000\015", 8);
+}
+
+static HRESULT handle_touch_unit_type_cmd(const struct touch_req *req)
+{
+    dprintf("Touch: Get Unit Type\n");
+    return iobuf_write(&touch_uart.readable, "\001AD****00\015", 8);
+}
+
+static void touch_scan_auto(const bool is_pressed, const uint16_t mouse_x, const uint16_t mouse_y)
+{
+    struct touch_auto_resp resp;
+    uint16_t tmp_x;
+    uint16_t tmp_y;
+    bool flg = false;
+
+    memset(&resp, 0, sizeof(resp));
+    resp.touches[0].status |= 1 << 7;
+
+    if (is_pressed) {
+        resp.touches[0].status |= (1 << 7) | (1 << 6);
+        resp.touches[0].touch_id = 1;
+        tmp_x = mouse_x & 0x7FFF;
+        tmp_y = mouse_y & 0x7FFF;
+        
+        resp.touches[0].x1 = tmp_x & 0x7F;
+        resp.touches[0].x2 = (tmp_x >> 7) & 0x7F;
+        resp.touches[0].y1 = tmp_y & 0x7F;
+        resp.touches[0].y2 = (tmp_y >> 7) & 0x7F;
+
+        flg = resp.touches[0].x1 != last_x1 || resp.touches[0].x2 != last_x2 || resp.touches[0].y1 != last_y1 || resp.touches[0].y2 != last_y2;
+
+#if 1
+        if (flg)
+            dprintf("Touch: Mouse down! x %02X %02X y: %02X %02X\n", resp.touches[0].x1, resp.touches[0].x2, resp.touches[0].y1, resp.touches[0].y2);
+#endif
+
+    
+        last_x1 = resp.touches[0].x1;
+        last_x2 = resp.touches[0].x2;
+        last_y1 = resp.touches[0].y1;
+        last_y2 = resp.touches[0].y2;
+
+    } else if (last_pressed) {
+        resp.touches[0].x1 = last_x1;
+        resp.touches[0].x2 = last_x2;
+        resp.touches[0].y1 = last_y1;
+        resp.touches[0].y2 = last_y2;
+    }
+
+    last_pressed = is_pressed;
+
+    EnterCriticalSection(&touch_lock);
+    iobuf_write(&touch_uart.readable, &resp, sizeof(resp));
+    LeaveCriticalSection(&touch_lock);
+
+#if 0     
+    dprintf("Touch: RX Buffer: (pos %08x)\n", (uint32_t)touch_uart.readable.pos);
+    dump_iobuf(&touch_uart.readable);
+#endif
+}
+
 /* Decodes the response into a struct that's easier to work with. */
 static HRESULT touch_frame_decode(struct touch_req *dest, struct iobuf *iobuf)
 {
-    dest->cmd = iobuf->bytes[0];
-    iobuf->pos--;
-    dest->data_length = iobuf->pos;
+    dest->sync = iobuf->bytes[0];
+    memset(dest->cmd, 0, sizeof(dest->cmd));
+    size_t data_len = 0;
 
-    if (dest->data_length > 0) {
-        for (int i = 1; i < dest->data_length; i++) {
-            dest->data[i-1] = iobuf->bytes[i];
+    for (int i = 1; i < 255; i++) {
+        if (iobuf->bytes[i] == 0x0D) { break; }
+        dest->cmd[i - 1] = iobuf->bytes[i];
+        data_len++;
     }
+
+    dest->tail = iobuf->bytes[data_len + 1];
+    dest->data_len = data_len;
+
+    iobuf->pos = 0;
+
+    if (dest->sync != 1 || dest->tail != 0x0D) {
+        dprintf("Touch: Data recieve error, sync: 0x%02X (expected 0x01) tail: 0x%02X (expected 0x0D)", dest->sync, dest->tail);
+        return E_FAIL;
     }
-    iobuf->pos -= dest->data_length;
 
     return S_OK;
 }

carolhook/touch.h

@@ -4,14 +4,42 @@
 #include <stdbool.h>
 #include <stdint.h>
 
+#pragma pack(push, 1)
+
 struct touch_config {
     bool enable;
+    unsigned int port_no;
+    char board_id[7];
+    char unit_type[9];
 };
 
+// Always starts with 0x01, always ends with 0x0D
 struct touch_req {
-    uint8_t cmd; // First byte is the command byte
-    uint8_t data[256]; // rest of the data goes here
-    uint8_t data_length; // Size of the data including command byte
+    uint8_t sync; // Always 0x01
+    uint8_t cmd[256]; // rest of the data goes here
+    uint8_t tail; // Always 0x0D
+    size_t data_len; // length of data
 };
 
+struct touch_report {
+    uint8_t status;
+    uint8_t x1;
+    uint8_t x2;
+    uint8_t y1;
+    uint8_t y2;
+    uint8_t touch_id;
+};
+
+struct touch_auto_resp {
+    struct touch_report touches[10];
+};
+
+enum {
+    TOUCH_MODE_STREAM    = 0x01,
+    TOUCH_MODE_DOWN_UP   = 0x02,
+    TOUCH_MODE_INACTIVE  = 0x03,
+};
+
+#pragma pack(pop)
+
 HRESULT touch_hook_init(const struct touch_config *cfg);

carolio/carolio.c

@@ -7,10 +7,16 @@
 
 #include "carolio/carolio.h"
 #include "carolio/config.h"
+#include "util/dprintf.h"
+
+static unsigned int __stdcall carol_io_touch_thread_proc(void *ctx);
 
 static bool carol_io_coin;
 static uint16_t carol_io_coins;
 static struct carol_io_config carol_io_cfg;
+static bool carol_io_touch_stop_flag;
+static HANDLE carol_io_touch_thread;
+static bool carol_io_window_focus = false;
 
 uint16_t carol_io_get_api_version(void)
 {
@@ -73,7 +79,103 @@ HRESULT carol_io_touch_init()
     return S_OK;
 }
 
+HRESULT carol_io_ledbd_init()
+{
+    return S_OK;
+}
+
 HRESULT carol_io_controlbd_init()
 {
     return S_OK;
 }
+
+void carol_io_touch_start(carol_io_touch_callback_t callback)
+{
+    if (carol_io_touch_thread != NULL) {
+        return;
+    }
+
+    carol_io_touch_stop_flag = false;
+
+    carol_io_touch_thread = (HANDLE) _beginthreadex(
+        NULL,
+        0,
+        carol_io_touch_thread_proc,
+        callback,
+        0,
+        NULL
+    );
+}
+
+void carol_io_touch_stop()
+{
+    carol_io_touch_stop_flag = true;
+}
+
+void check_fg_wind(void)
+{
+    HWND hwnd = GetForegroundWindow();
+    wchar_t window_class[MAX_PATH];
+
+    /* Unlike every other game, we can't use GetWindowText here. Why?
+
+        From MSDN:
+
+        "If the window does not have a caption, the return value is a null
+        string. This behavior is by design. It allows applications to call
+        GetWindowText without becoming unresponsive if the process that owns
+        the target window is not responding. However, if the target window
+        is not responding and it belongs to the calling application,
+        GetWindowText will cause the calling application to become
+        unresponsive."
+
+        Great, thanks Microsoft, very cool. Luckily Carol sets its class
+        name to the window title too so we can use that. */
+
+    GetClassNameW(hwnd, window_class, MAX_PATH);
+
+    if (wcscmp(window_class, L"WONDER Master")) {
+        if (carol_io_window_focus) {
+            dprintf("Carol IO: Window focus lost\n");
+            carol_io_window_focus = false;
+        }
+    } else if (!carol_io_window_focus) {
+        dprintf("Carol IO: Window focus regained\n");
+        carol_io_window_focus = true;
+    }
+}
+
+static unsigned int __stdcall carol_io_touch_thread_proc(void *ctx)
+{
+    carol_io_touch_callback_t callback;
+    bool mouse_is_down = false;
+    uint16_t mX = 0;
+    uint16_t mY = 0;
+    POINT lpPoint;
+    HWND hwnd;
+
+    callback = ctx;
+
+    while (!carol_io_touch_stop_flag) {
+        check_fg_wind();
+        if (GetAsyncKeyState(VK_LBUTTON) & 0x8000) {
+            mouse_is_down = true;
+            if (GetCursorPos(&lpPoint)) {
+                hwnd = GetForegroundWindow();
+                if (ScreenToClient(hwnd, &lpPoint)) {
+                    if (lpPoint.x < 0) lpPoint.x = 0;
+                    if (lpPoint.y < 0) lpPoint.y = 0;
+                    mX = (uint16_t)lpPoint.x;
+                    mY = (uint16_t)lpPoint.y;
+                }
+            }
+        } else {
+            mouse_is_down = false;
+        }
+
+        callback(mouse_is_down, mX, mY);
+        Sleep(1);
+    }
+
+    return 0;
+}

carolio/carolio.h

@@ -5,6 +5,8 @@
 #include <stdbool.h>
 #include <stdint.h>
 
+typedef void (*carol_io_touch_callback_t)(const bool is_pressed, const uint16_t mouse_x, const uint16_t mouse_y);
+
 /* Get the version of the Project carol IO API that this DLL supports. This
    function should return a positive 16-bit integer, where the high byte is
    the major version and the low byte is the minor version (as defined by the
@@ -49,4 +51,10 @@ void carol_io_jvs_read_coin_counter(uint16_t *out);
 
 HRESULT carol_io_touch_init();
 
+HRESULT carol_io_ledbd_init();
+
 HRESULT carol_io_controlbd_init();
+
+void carol_io_touch_start(carol_io_touch_callback_t callback);
+
+void carol_io_touch_stop();

carolio/config.c

@@ -14,7 +14,7 @@ void carol_io_config_load(
     assert(cfg != NULL);
     assert(filename != NULL);
 
-    cfg->vk_test = GetPrivateProfileIntW(L"io3", L"test", '1', filename);
-    cfg->vk_service = GetPrivateProfileIntW(L"io3", L"service", '2', filename);
-    cfg->vk_coin = GetPrivateProfileIntW(L"io3", L"coin", '3', filename);
+    cfg->vk_test = GetPrivateProfileIntW(L"io3", L"test", VK_F1, filename);
+    cfg->vk_service = GetPrivateProfileIntW(L"io3", L"service", VK_F2, filename);
+    cfg->vk_coin = GetPrivateProfileIntW(L"io3", L"coin", VK_F3, filename);
 }

chunihook/chuni-dll.c

@@ -30,9 +30,28 @@ const struct dll_bind_sym chuni_dll_syms[] = {
     }, {
         .sym = "chuni_io_slider_set_leds",
         .off = offsetof(struct chuni_dll, slider_set_leds),
+    }, {
+        .sym = "chuni_io_led_init",
+        .off = offsetof(struct chuni_dll, led_init),
+    }, {
+        .sym = "chuni_io_led_set_colors",
+        .off = offsetof(struct chuni_dll, led_set_leds),
     }
 };
 
+/* Helper function to determine upon dll_bind failure whether the required functions were found
+   NOTE: relies on symbols order declared above */
+static HRESULT has_enough_symbols(uint16_t version, uint8_t count)
+{
+    if ( version <= 0x0101 && count == 7 )
+        return S_OK;
+
+    if ( version >= 0x0102 && count == 9 )
+        return S_OK;
+
+    return E_FAIL;
+}
+
 struct chuni_dll chuni_dll;
 
 // Copypasta DLL binding and diagnostic message boilerplate.
@@ -92,16 +111,24 @@ HRESULT chuni_dll_init(const struct chuni_dll_config *cfg, HINSTANCE self)
     }
 
     sym = chuni_dll_syms;
+    const struct dll_bind_sym *init_sym = &sym[0];
     hr = dll_bind(&chuni_dll, src, &sym, _countof(chuni_dll_syms));
 
     if (FAILED(hr)) {
         if (src != self) {
+            // Might still be ok depending on external dll API version
+            int bind_count = sym - init_sym;
+            if ( has_enough_symbols(chuni_dll.api_version, bind_count) == S_OK )
+            {
+                hr = S_OK;
+            } else {
                 dprintf("Chunithm IO: Custom IO DLL does not provide function "
                         "\"%s\". Please contact your IO DLL's developer for "
                         "further assistance.\n",
                         sym->sym);
 
                 goto end;
+            }
         } else {
             dprintf("Internal error: could not reflect \"%s\"\n", sym->sym);
         }

chunihook/chuni-dll.h

@@ -13,6 +13,8 @@ struct chuni_dll {
     void (*slider_start)(chuni_io_slider_callback_t callback);
     void (*slider_stop)(void);
     void (*slider_set_leds)(const uint8_t *rgb);
+    HRESULT (*led_init)(void);
+    void (*led_set_leds)(uint8_t board, uint8_t *rgb);
 };
 
 struct chuni_dll_config {

chunihook/chunihook.def

@@ -20,3 +20,5 @@ EXPORTS
     chuni_io_slider_set_leds
     chuni_io_slider_start
     chuni_io_slider_stop
+    chuni_io_led_init
+    chuni_io_led_set_colors

chunihook/config.c

@@ -43,6 +43,66 @@ void slider_config_load(struct slider_config *cfg, const wchar_t *filename)
     cfg->enable = GetPrivateProfileIntW(L"slider", L"enable", 1, filename);
 }
 
+void led15093_config_load(struct led15093_config *cfg, const wchar_t *filename)
+{
+    assert(cfg != NULL);
+    assert(filename != NULL);
+
+    wchar_t tmpstr[16];
+
+    memset(cfg->board_number, ' ', sizeof(cfg->board_number));
+    memset(cfg->chip_number, ' ', sizeof(cfg->chip_number));
+    memset(cfg->boot_chip_number, ' ', sizeof(cfg->boot_chip_number));
+
+    cfg->enable = GetPrivateProfileIntW(L"led15093", L"enable", 1, filename);
+    cfg->port_no = 0;
+    cfg->high_baudrate = GetPrivateProfileIntW(L"led15093", L"highBaud", 0, filename);
+    cfg->fw_ver = GetPrivateProfileIntW(L"led15093", L"fwVer", 0x90, filename);
+    cfg->fw_sum = GetPrivateProfileIntW(L"led15093", L"fwSum", 0xadf7, filename);
+
+    GetPrivateProfileStringW(
+            L"led15093",
+            L"boardNumber",
+            L"15093-06",
+            tmpstr,
+            _countof(tmpstr),
+            filename);
+
+    size_t n = wcstombs(cfg->board_number, tmpstr, sizeof(cfg->board_number));
+    for (int i = n; i < sizeof(cfg->board_number); i++)
+    {
+        cfg->board_number[i] = ' ';
+    }
+
+    GetPrivateProfileStringW(
+            L"led15093",
+            L"chipNumber",
+            L"6710 ",
+            tmpstr,
+            _countof(tmpstr),
+            filename);
+
+    n = wcstombs(cfg->chip_number, tmpstr, sizeof(cfg->chip_number));
+    for (int i = n; i < sizeof(cfg->chip_number); i++)
+    {
+        cfg->chip_number[i] = ' ';
+    }
+
+    GetPrivateProfileStringW(
+            L"led15093",
+            L"bootChipNumber",
+            L"6709 ",
+            tmpstr,
+            _countof(tmpstr),
+            filename);
+
+    n = wcstombs(cfg->boot_chip_number, tmpstr, sizeof(cfg->boot_chip_number));
+    for (int i = n; i < sizeof(cfg->boot_chip_number); i++)
+    {
+        cfg->boot_chip_number[i] = ' ';
+    }
+}
+
 void chuni_hook_config_load(
         struct chuni_hook_config *cfg,
         const wchar_t *filename)
@@ -58,4 +118,5 @@ void chuni_hook_config_load(
     gfx_config_load(&cfg->gfx, filename);
     chuni_dll_config_load(&cfg->dll, filename);
     slider_config_load(&cfg->slider, filename);
+    led15093_config_load(&cfg->led15093, filename);
 }

chunihook/config.h

@@ -6,6 +6,7 @@
 #include "amex/amex.h"
 
 #include "board/sg-reader.h"
+#include "board/led15093.h"
 
 #include "chunihook/chuni-dll.h"
 #include "chunihook/slider.h"
@@ -21,6 +22,7 @@ struct chuni_hook_config {
     struct gfx_config gfx;
     struct chuni_dll_config dll;
     struct slider_config slider;
+    struct led15093_config led15093;
 };
 
 void chuni_dll_config_load(

chunihook/dllmain.c

@@ -4,6 +4,7 @@
 
 #include "amex/amex.h"
 
+#include "board/led15093.h"
 #include "board/sg-reader.h"
 
 #include "chunihook/config.h"
@@ -96,7 +97,19 @@ static DWORD CALLBACK chuni_pre_startup(void)
         goto fail;
     }
 
-    hr = sg_reader_hook_init(&chuni_hook_cfg.aime, 12, chuni_hook_mod);
+    if ( chuni_dll.led_init == NULL || chuni_dll.led_set_leds == NULL )
+    {
+        dprintf("IO DLL doesn't support led_init/led_set_leds, cannot start LED15093 hook\n");
+    } else {
+        hr = led15093_hook_init(&chuni_hook_cfg.led15093, 
+            chuni_dll.led_init, chuni_dll.led_set_leds, 10, 2, 2, 1);
+
+        if (FAILED(hr)) {
+            goto fail;
+        }
+    }
+
+    hr = sg_reader_hook_init(&chuni_hook_cfg.aime, 12, 1, chuni_hook_mod);
 
     if (FAILED(hr)) {
         goto fail;

chunihook/jvs.c

@@ -101,13 +101,13 @@ static void chunithm_jvs_read_switches(void *ctx, struct io3_switch_state *out)
     out->p1 = 0x0000;
     out->p2 = 0x0000;
 
-    if (opbtn & 0x01) {
+    if (opbtn & CHUNI_IO_OPBTN_TEST) {
         out->system = 0x80;
     } else {
         out->system = 0x00;
     }
 
-    if (opbtn & 0x02) {
+    if (opbtn & CHUNI_IO_OPBTN_SERVICE) {
         out->p1 |= 0x4000;
     }
 

chuniio/chu2to3.c

@@ -0,0 +1,358 @@
+#include <windows.h>
+
+#include <process.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+
+#include "chuniio/chu2to3.h"
+#include "util/dprintf.h"
+
+// Check windows
+#if _WIN32 || _WIN64
+    #if _WIN64
+        #define ENV64BIT
+    #else
+        #define ENV32BIT
+    #endif
+#endif
+
+// Check GCC
+#if __GNUC__
+    #if __x86_64__ || __ppc64__
+        #define ENV64BIT
+    #else
+        #define ENV32BIT
+    #endif
+#endif
+
+/* chuniio.dll dynamic loading */
+HMODULE hinstLib;
+typedef uint16_t (*chuni_io_get_api_version_t)(void);
+typedef HRESULT (*chuni_io_jvs_init_t)(void);
+typedef void (*chuni_io_jvs_poll_t)(uint8_t*, uint8_t*);
+typedef void (*chuni_io_jvs_read_coin_counter_t)(uint16_t *);
+typedef HRESULT (*chuni_io_slider_init_t)(void);
+typedef void (*chuni_io_slider_set_leds_t)(const uint8_t *);
+typedef void (*chuni_io_slider_start_t)(chuni_io_slider_callback_t);
+typedef void (*chuni_io_slider_stop_t)(void);
+typedef HRESULT (*chuni_io_led_init_t)(void);
+typedef void (*chuni_io_led_set_colors_t)(uint8_t, uint8_t *);
+
+chuni_io_get_api_version_t _chuni_io_get_api_version;
+chuni_io_jvs_init_t _chuni_io_jvs_init;
+chuni_io_jvs_poll_t _chuni_io_jvs_poll;
+chuni_io_jvs_read_coin_counter_t _chuni_io_jvs_read_coin_counter;
+chuni_io_slider_init_t _chuni_io_slider_init;
+chuni_io_slider_set_leds_t _chuni_io_slider_set_leds;
+chuni_io_slider_start_t _chuni_io_slider_start;
+chuni_io_slider_stop_t _chuni_io_slider_stop;
+chuni_io_led_init_t _chuni_io_led_init;
+chuni_io_led_set_colors_t _chuni_io_led_set_colors;
+
+/* SHMEM Handling */
+#define BUF_SIZE 1024
+#define SHMEM_WRITE(buf, size) CopyMemory((PVOID)g_pBuf, buf, size)
+#define SHMEM_READ(buf, size) CopyMemory(buf,(PVOID)g_pBuf, size)
+TCHAR g_shmem_name[]=TEXT("Local\\Chu2to3Shmem");
+HANDLE g_hMapFile;
+LPVOID g_pBuf;
+
+#pragma pack(1)
+typedef struct shared_data_s {
+    uint16_t coin_counter;
+    uint8_t  opbtn;
+    uint8_t  beams;
+    uint16_t version;
+} shared_data_t;
+
+shared_data_t g_shared_data;
+
+bool shmem_create()
+{
+   g_hMapFile = CreateFileMapping(
+                                  INVALID_HANDLE_VALUE,    // use paging file
+                                  NULL,                    // default security
+                                  PAGE_READWRITE,          // read/write access
+                                  0,                       // maximum object size (high-order DWORD)
+                                  BUF_SIZE,                // maximum object size (low-order DWORD)
+                                  g_shmem_name);           // name of mapping object
+
+   if (g_hMapFile == NULL)
+   {
+      dprintf("shmem_create : Could not create file mapping object (%ld).\n",
+             GetLastError());
+      return 0;
+   }
+   g_pBuf = MapViewOfFile(g_hMapFile,          // handle to map object
+                          FILE_MAP_ALL_ACCESS, // read/write permission
+                          0,
+                          0,
+                          BUF_SIZE);
+
+   if (g_pBuf == NULL)
+   {
+      dprintf("shmem_create : Could not map view of file (%ld).\n",
+             GetLastError());
+
+       CloseHandle(g_hMapFile);
+
+      return 0;
+   }
+
+    return 1;
+}
+
+bool shmem_load()
+{
+    g_hMapFile = OpenFileMapping(
+                                 FILE_MAP_ALL_ACCESS,   // read/write access
+                                 FALSE,                 // do not inherit the name
+                                 g_shmem_name);         // name of mapping object
+
+    if (g_hMapFile == NULL)
+    {
+        dprintf("shmem_load : Could not open file mapping object (%ld).\n", GetLastError());
+        return 0;
+   }
+
+    g_pBuf = MapViewOfFile(g_hMapFile,           // handle to map object
+                           FILE_MAP_ALL_ACCESS,  // read/write permission
+                           0,
+                           0,
+                           BUF_SIZE);
+
+    if (g_pBuf == NULL)
+    {
+        dprintf("shmem_load : Could not map view of file (%ld).\n", GetLastError());
+        CloseHandle(g_hMapFile);
+        return 0;
+    }
+
+    dprintf("shmem_load : shmem loaded succesfully.\n");
+    return 1;
+}
+
+void shmem_free()
+{
+   UnmapViewOfFile(g_pBuf);
+   CloseHandle(g_hMapFile);
+}
+
+/* jvs polling thread (to forward info to x64 dll) */
+static HANDLE jvs_poll_thread;
+static bool jvs_poll_stop_flag;
+
+static unsigned int __stdcall jvs_poll_thread_proc(void *ctx)
+{
+    while (1) {
+        _chuni_io_jvs_read_coin_counter(&g_shared_data.coin_counter);
+        g_shared_data.opbtn = 0;
+        g_shared_data.beams = 0;
+        _chuni_io_jvs_poll(&g_shared_data.opbtn, &g_shared_data.beams);
+        SHMEM_WRITE(&g_shared_data, sizeof(shared_data_t));
+        Sleep(1);
+    }
+
+    return 0;
+}
+
+uint16_t chu2to3_load_dll(const wchar_t *dllname)
+{
+    #if defined(ENV64BIT)
+    /* x64 must just open the shmem and do nothing else */
+    int errcount = 0;
+    while (!shmem_load())
+    {
+        if (errcount >= 10)
+            return -1;
+        Sleep(5000);
+        errcount++;
+    }
+    Sleep(1000);
+    return S_OK;
+    #endif
+
+    /* this is the first function called so let's setup the chuniio forwarding */
+    hinstLib = LoadLibraryW(dllname);
+    if (hinstLib == NULL) {
+        dprintf("ERROR: unable to load %S (error %ld)\n",dllname, GetLastError());
+        return -1;
+    }
+
+    _chuni_io_get_api_version = (chuni_io_get_api_version_t)GetProcAddress(hinstLib, "chuni_io_get_api_version");
+    _chuni_io_jvs_init = (chuni_io_jvs_init_t)GetProcAddress(hinstLib, "chuni_io_jvs_init");
+    _chuni_io_jvs_poll = (chuni_io_jvs_poll_t)GetProcAddress(hinstLib, "chuni_io_jvs_poll");
+    _chuni_io_jvs_read_coin_counter = (chuni_io_jvs_read_coin_counter_t)GetProcAddress(hinstLib, "chuni_io_jvs_read_coin_counter");
+    _chuni_io_slider_init = (chuni_io_slider_init_t)GetProcAddress(hinstLib, "chuni_io_slider_init");
+    _chuni_io_slider_set_leds = (chuni_io_slider_set_leds_t)GetProcAddress(hinstLib, "chuni_io_slider_set_leds");
+    _chuni_io_slider_start = (chuni_io_slider_start_t)GetProcAddress(hinstLib, "chuni_io_slider_start");
+    _chuni_io_slider_stop = (chuni_io_slider_stop_t)GetProcAddress(hinstLib, "chuni_io_slider_stop");
+    _chuni_io_led_init = (chuni_io_led_init_t)GetProcAddress(hinstLib, "chuni_io_led_init");
+    _chuni_io_led_set_colors = (chuni_io_led_set_colors_t)GetProcAddress(hinstLib, "chuni_io_led_set_colors");
+
+    /* x86 has to create the shmem */
+    if (!shmem_create())
+    {
+        return -1;
+    }
+
+    return 0;
+}
+
+/* chuniio exports */
+uint16_t chu2to3_io_get_api_version(void)
+{
+    #if defined(ENV64BIT)
+        /* This might be called too soon so let's make sure x86 has time to write to the shmem */
+        SHMEM_READ(&g_shared_data, sizeof(shared_data_t));
+        int errcount = 0;
+        while (g_shared_data.version == 0)
+        {
+            if (errcount >= 3)
+            {
+                dprintf("CHU2TO3 X64: Couldn't retrieve api version from shmem, assuming 0x0100\n");
+                return 0x0100;
+            }
+            Sleep(5000);
+            errcount++;
+            SHMEM_READ(&g_shared_data, sizeof(shared_data_t));
+        }
+        dprintf("CHU2TO3 X64: api version is %04X\n", g_shared_data.version);
+        return g_shared_data.version;
+    #endif
+
+    if ( _chuni_io_get_api_version == NULL )
+    {
+        g_shared_data.version = 0x0100;
+    }
+    else
+    {
+        g_shared_data.version = _chuni_io_get_api_version();
+    }
+    dprintf("CHU2TO3: api version is %04X\n", g_shared_data.version);
+
+    SHMEM_WRITE(&g_shared_data, sizeof(shared_data_t));
+
+    return g_shared_data.version;
+}
+
+HRESULT chu2to3_io_jvs_init(void)
+{
+    #if defined(ENV64BIT)
+    /* x86 only */
+    return S_OK;
+    #endif
+
+    _chuni_io_jvs_init();
+
+    /* start jvs poll thread now that jvs_init is done */
+    if (jvs_poll_thread != NULL) {
+        return S_OK;
+    }
+
+    jvs_poll_thread = (HANDLE) _beginthreadex(NULL,
+                                              0,
+                                              jvs_poll_thread_proc,
+                                              NULL,
+                                              0,
+                                              NULL);
+    return S_OK;
+}
+
+void chu2to3_io_jvs_read_coin_counter(uint16_t *out)
+{
+    #if defined(ENV32BIT)
+    /* x86 can perform the call and update shmem (although this call never happens) */
+    _chuni_io_jvs_read_coin_counter(&g_shared_data.coin_counter);
+    SHMEM_WRITE(&g_shared_data, sizeof(shared_data_t));
+    return;
+    #endif
+
+    /* x64 must read value from shmem and update arg */
+    SHMEM_READ(&g_shared_data, sizeof(shared_data_t));
+    if (out == NULL) {
+        return;
+    }
+    *out = g_shared_data.coin_counter;
+}
+
+void chu2to3_io_jvs_poll(uint8_t *opbtn, uint8_t *beams)
+{
+    #if defined(ENV32BIT)
+    /* x86 can perform the call and update shmem (although this call never happens) */
+    _chuni_io_jvs_poll(&g_shared_data.opbtn, &g_shared_data.beams);
+    SHMEM_WRITE(&g_shared_data, sizeof(shared_data_t));
+    return;
+    #endif
+
+    /* x64 must read value from shmem and update args */
+    SHMEM_READ(&g_shared_data, sizeof(shared_data_t));
+    *opbtn = g_shared_data.opbtn;
+    *beams = g_shared_data.beams;
+}
+
+HRESULT chu2to3_io_slider_init(void)
+{
+    #if defined(ENV64BIT)
+    /* x86 only */
+    return S_OK;
+    #endif
+
+    return _chuni_io_slider_init();
+}
+
+void chu2to3_io_slider_start(chuni_io_slider_callback_t callback)
+{
+    #if defined(ENV64BIT)
+    /* x86 only */
+    return;
+    #endif
+
+    _chuni_io_slider_start(callback);
+}
+
+void chu2to3_io_slider_stop(void)
+{
+    #if defined(ENV64BIT)
+    /* x86 only */
+    return;
+    #endif
+
+    _chuni_io_slider_stop();
+}
+
+void chu2to3_io_slider_set_leds(const uint8_t *rgb)
+{
+    #if defined(ENV64BIT)
+    /* x86 only */
+    return;
+    #endif
+
+    _chuni_io_slider_set_leds(rgb);
+}
+
+HRESULT chu2to3_io_led_init(void)
+{
+    #if defined(ENV64BIT)
+    /* x86 only */
+    return S_OK;
+    #endif
+
+    if (_chuni_io_led_init != NULL)
+        return _chuni_io_led_init();
+    return S_OK;
+}
+
+void chu2to3_io_led_set_colors(uint8_t board, uint8_t *rgb)
+{
+    #if defined(ENV64BIT)
+    /* x86 only */
+    return;
+    #endif
+
+    if (_chuni_io_led_set_colors != NULL)
+    {
+        _chuni_io_led_set_colors(board, rgb);
+    }
+}

chuniio/chu2to3.h

@@ -0,0 +1,26 @@
+#pragma once
+
+/*
+   CHU2TO3 CUSTOM IO API
+
+   This dll just mirrors chuniio dll binds but with a dynamic library loading and 
+   a SHMEM system to let a single 32bit dll talk with x86 and x64 processes at once
+*/
+
+#include <windows.h>
+
+#include <stdbool.h>
+#include <stdint.h>
+
+uint16_t chu2to3_io_get_api_version(void);
+HRESULT chu2to3_io_jvs_init(void);
+void chu2to3_io_jvs_poll(uint8_t *opbtn, uint8_t *beams);
+void chu2to3_io_jvs_read_coin_counter(uint16_t *total);
+HRESULT chu2to3_io_slider_init(void);
+typedef void (*chuni_io_slider_callback_t)(const uint8_t *state);
+void chu2to3_io_slider_start(chuni_io_slider_callback_t callback);
+void chu2to3_io_slider_stop(void);
+void chu2to3_io_slider_set_leds(const uint8_t *rgb);
+HRESULT chu2to3_io_led_init(void);
+void chu2to3_io_led_set_colors(uint8_t board, uint8_t *rgb);
+uint16_t chu2to3_load_dll(const wchar_t *dllname);

chuniio/chuniio.c

@@ -3,9 +3,13 @@
 #include <process.h>
 #include <stdbool.h>
 #include <stdint.h>
+#include <stdio.h>
 
 #include "chuniio/chuniio.h"
 #include "chuniio/config.h"
+#include "chuniio/ledoutput.h"
+
+#include "util/dprintf.h"
 
 static unsigned int __stdcall chuni_io_slider_thread_proc(void *ctx);
 
@@ -18,13 +22,23 @@ static struct chuni_io_config chuni_io_cfg;
 
 uint16_t chuni_io_get_api_version(void)
 {
-    return 0x0101;
+    return 0x0102;
 }
 
 HRESULT chuni_io_jvs_init(void)
 {
     chuni_io_config_load(&chuni_io_cfg, L".\\segatools.ini");
     
+    led_init_mutex = CreateMutex(
+        NULL,              // default security attributes
+        FALSE,             // initially not owned
+        NULL);             // unnamed mutex
+    
+    if (led_init_mutex == NULL)
+    {
+        return E_FAIL;
+    }
+    
     return S_OK;
 }
 
@@ -34,7 +48,7 @@ void chuni_io_jvs_read_coin_counter(uint16_t *out)
         return;
     }
 
-    if (GetAsyncKeyState(chuni_io_cfg.vk_coin)) {
+    if (GetAsyncKeyState(chuni_io_cfg.vk_coin) & 0x8000) {
         if (!chuni_io_coin) {
             chuni_io_coin = true;
             chuni_io_coins++;
@@ -50,15 +64,17 @@ void chuni_io_jvs_poll(uint8_t *opbtn, uint8_t *beams)
 {
     size_t i;
 
-    if (GetAsyncKeyState(chuni_io_cfg.vk_test)) {
-        *opbtn |= 0x01; /* Test */
+    if (GetAsyncKeyState(chuni_io_cfg.vk_test) & 0x8000) {
+        *opbtn |= CHUNI_IO_OPBTN_TEST;
     }
 
-    if (GetAsyncKeyState(chuni_io_cfg.vk_service)) {
-        *opbtn |= 0x02; /* Service */
+    if (GetAsyncKeyState(chuni_io_cfg.vk_service) & 0x8000) {
+        *opbtn |= CHUNI_IO_OPBTN_SERVICE;
     }
 
-    if (GetAsyncKeyState(chuni_io_cfg.vk_ir)) {
+    if (chuni_io_cfg.vk_ir_emu) {
+        // Use emulated AIR
+        if (GetAsyncKeyState(chuni_io_cfg.vk_ir_emu)) {
             if (chuni_io_hand_pos < 6) {
                 chuni_io_hand_pos++;
             }
@@ -73,15 +89,27 @@ void chuni_io_jvs_poll(uint8_t *opbtn, uint8_t *beams)
                 *beams |= (1 << i);
             }
         }
+    } else {
+        // Use actual AIR
+        for (i = 0; i < 6; i++) {
+            if(GetAsyncKeyState(chuni_io_cfg.vk_ir[i]) & 0x8000) {
+                *beams |= (1 << i);
+            } else {
+                *beams &= ~(1 << i);
+            }
+        }
+    }
 }
 
 HRESULT chuni_io_slider_init(void)
 {
-    return S_OK;
+    return led_output_init(&chuni_io_cfg); // because of slider LEDs
 }
 
 void chuni_io_slider_start(chuni_io_slider_callback_t callback)
 {
+    BOOL status;
+
     if (chuni_io_slider_thread != NULL) {
         return;
     }
@@ -111,6 +139,7 @@ void chuni_io_slider_stop(void)
 
 void chuni_io_slider_set_leds(const uint8_t *rgb)
 {
+    led_output_update(2, rgb);
 }
 
 static unsigned int __stdcall chuni_io_slider_thread_proc(void *ctx)
@@ -136,3 +165,13 @@ static unsigned int __stdcall chuni_io_slider_thread_proc(void *ctx)
 
     return 0;
 }
+
+HRESULT chuni_io_led_init(void)
+{
+    return led_output_init(&chuni_io_cfg);
+}
+
+void chuni_io_led_set_colors(uint8_t board, uint8_t *rgb)
+{ 
+    led_output_update(board, rgb);
+}

chuniio/chuniio.h

@@ -8,6 +8,7 @@
    - 0x0100: Initial API version (assumed if chuni_io_get_api_version is not
      exported)
    - 0x0101: Fix IR beam mappings
+   - 0x0102: Add air tower led and billboard support
 */
 
 #include <windows.h>
@@ -15,6 +16,12 @@
 #include <stdbool.h>
 #include <stdint.h>
 
+enum {
+    CHUNI_IO_OPBTN_TEST = 0x01,
+    CHUNI_IO_OPBTN_SERVICE = 0x02,
+    CHUNI_IO_OPBTN_COIN = 0x04,
+};
+
 /* Get the version of the Chunithm IO API that this DLL supports. This
    function should return a positive 16-bit integer, where the high byte is
    the major version and the low byte is the minor version (as defined by the
@@ -139,3 +146,38 @@ void chuni_io_slider_stop(void);
    Minimum API version: 0x0100 */
 
 void chuni_io_slider_set_leds(const uint8_t *rgb);
+
+/* Initialize LED emulation. This function will be called before any
+   other chuni_io_led_*() function calls.
+
+   All subsequent calls may originate from arbitrary threads and some may
+   overlap with each other. Ensuring synchronization inside your IO DLL is
+   your responsibility. 
+
+   Minimum API version: 0x0102 */
+
+HRESULT chuni_io_led_init(void);
+
+/* Update the RGB LEDs. rgb is a pointer to an array of up to 63 * 3 = 189 bytes.
+
+   Chunithm uses two chains/boards with WS2811 protocol (each logical led corresponds to 3 physical leds). 
+   board 0 is on the left side and board 1 on the right side of the cab
+
+   Board 0 has 53 LEDs:
+     [0]-[49]: snakes through left half of billboard (first column starts at top)
+     [50]-[52]: left side partition LEDs
+   
+   Board 1 has 63 LEDs:
+     [0]-[59]: right half of billboard (first column starts at bottom)
+     [60]-[62]: right side partition LEDs
+   
+   Board 2 is the slider and has 31 LEDs:
+     [0]-[31]: slider LEDs right to left BRG, alternating between keys and dividers 
+
+   Each rgb value is comprised of 3 bytes in R,G,B order
+
+   NOTE: billboard strips have alternating direction (bottom to top, top to bottom, ...)
+
+   Minimum API version: 0x0102 */
+
+void chuni_io_led_set_colors(uint8_t board, uint8_t *rgb);

chuniio/config.c

@@ -3,6 +3,7 @@
 #include <assert.h>
 #include <stddef.h>
 #include <stdio.h>
+#include <string.h>
 
 #include "chuniio/config.h"
 
@@ -17,20 +18,35 @@ static const int chuni_io_default_cells[] = {
     'S', 'S', 'S', 'S',
 };
 
+static const int chuni_io_default_ir[] = {
+    '4', '5', '6', '7', '8', '9'
+};
+
 void chuni_io_config_load(
         struct chuni_io_config *cfg,
         const wchar_t *filename)
 {
     wchar_t key[16];
     int i;
+    wchar_t port_input[6];
 
     assert(cfg != NULL);
     assert(filename != NULL);
 
-    cfg->vk_test = GetPrivateProfileIntW(L"io3", L"test", '1', filename);
-    cfg->vk_service = GetPrivateProfileIntW(L"io3", L"service", '2', filename);
-    cfg->vk_coin = GetPrivateProfileIntW(L"io3", L"coin", '3', filename);
-    cfg->vk_ir = GetPrivateProfileIntW(L"io3", L"ir", VK_SPACE, filename);
+    // Technically it's io4 but leave this for compatibility with old configs.
+    cfg->vk_test = GetPrivateProfileIntW(L"io3", L"test", VK_F1, filename);
+    cfg->vk_service = GetPrivateProfileIntW(L"io3", L"service", VK_F2, filename);
+    cfg->vk_coin = GetPrivateProfileIntW(L"io3", L"coin", VK_F3, filename);
+    cfg->vk_ir_emu = GetPrivateProfileIntW(L"io3", L"ir", VK_SPACE, filename);
+
+    for (i = 0 ; i < 6 ; i++) {
+        swprintf_s(key, _countof(key), L"ir%i", i + 1);
+        cfg->vk_ir[i] = GetPrivateProfileIntW(
+                L"ir",
+                key,
+                chuni_io_default_ir[i],
+                filename);
+    }
 
     for (i = 0 ; i < 32 ; i++) {
         swprintf_s(key, _countof(key), L"cell%i", i + 1);
@@ -40,4 +56,25 @@ void chuni_io_config_load(
                 chuni_io_default_cells[i],
                 filename);
     }
+
+    cfg->cab_led_output_pipe = GetPrivateProfileIntW(L"led", L"cabLedOutputPipe", 1, filename);
+    cfg->cab_led_output_serial = GetPrivateProfileIntW(L"led", L"cabLedOutputSerial", 0, filename);
+    
+    cfg->controller_led_output_pipe = GetPrivateProfileIntW(L"led", L"controllerLedOutputPipe", 1, filename);
+    cfg->controller_led_output_serial = GetPrivateProfileIntW(L"led", L"controllerLedOutputSerial", 0, filename);
+
+    cfg->led_serial_baud = GetPrivateProfileIntW(L"led", L"serialBaud", 921600, filename);
+
+    GetPrivateProfileStringW(
+            L"led",
+            L"serialPort",
+            L"COM5",
+            port_input,
+            _countof(port_input),
+            filename);
+
+    // Sanitize the output path. If it's a serial COM port, it needs to be prefixed
+    // with `\\.\`.
+    wcsncpy(cfg->led_serial_port, L"\\\\.\\", 4);
+    wcsncat_s(cfg->led_serial_port, 11, port_input, 6);
 }

chuniio/config.h

@@ -7,8 +7,20 @@ struct chuni_io_config {
     uint8_t vk_test;
     uint8_t vk_service;
     uint8_t vk_coin;
-    uint8_t vk_ir;
+    uint8_t vk_ir_emu;
+    uint8_t vk_ir[6];
     uint8_t vk_cell[32];
+
+    // Which ways to output LED information are enabled
+    bool cab_led_output_pipe;
+    bool cab_led_output_serial;
+    
+    bool controller_led_output_pipe;
+    bool controller_led_output_serial;
+
+    // The name of a COM port to output LED data on, in serial mode
+    wchar_t led_serial_port[12];
+    int32_t led_serial_baud;
 };
 
 void chuni_io_config_load(

chuniio/leddata.h

@@ -0,0 +1,22 @@
+#pragma once
+
+#include <windows.h>
+#include <stdint.h>
+
+#define LED_PACKET_FRAMING 0xE0
+#define LED_PACKET_ESCAPE 0xD0
+#define LED_NUM_MAX 66
+#define LED_BOARDS_TOTAL 3
+#define LED_OUTPUT_HEADER_SIZE 2
+#define LED_OUTPUT_DATA_SIZE_MAX LED_NUM_MAX * 3 * 2  // max if every byte's escaped
+#define LED_OUTPUT_TOTAL_SIZE_MAX LED_OUTPUT_HEADER_SIZE + LED_OUTPUT_DATA_SIZE_MAX
+
+// This struct is used to send data related to the slider and billboard LEDs
+struct _chuni_led_data_buf_t {
+    byte framing; // Sync byte
+    uint8_t board; // LED output the data is for (0-1: billboard, 2: slider)
+    byte data[LED_OUTPUT_DATA_SIZE_MAX]; // Buffer for LEDs
+    byte data_len; // How many bytes to output from the buffer
+};
+
+static byte chuni_led_board_data_lens[LED_BOARDS_TOTAL] = {53*3, 63*3, 31*3};

chuniio/ledoutput.c

@@ -0,0 +1,133 @@
+#include <windows.h>
+
+#include <process.h>
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "chuniio/config.h"
+#include "chuniio/leddata.h"
+#include "chuniio/ledoutput.h"
+#include "chuniio/pipeimpl.h"
+#include "chuniio/serialimpl.h"
+
+static struct _chuni_led_data_buf_t led_unescaped_buf[LED_BOARDS_TOTAL];
+static struct _chuni_led_data_buf_t led_escaped_buf[LED_BOARDS_TOTAL];
+
+static bool led_output_is_init = false;
+static struct chuni_io_config* config;
+static bool any_outputs_enabled;
+
+HANDLE led_init_mutex;
+
+HRESULT led_output_init(struct chuni_io_config* const cfg)
+{
+    DWORD dwWaitResult = WaitForSingleObject(led_init_mutex, INFINITE);
+    if (dwWaitResult == WAIT_FAILED)
+    {
+        return HRESULT_FROM_WIN32(GetLastError());
+        // return 1;
+    }
+    else if (dwWaitResult != WAIT_OBJECT_0)
+    {
+        return E_FAIL;
+        // return 1;
+    }
+    
+    if (!led_output_is_init)
+    {
+        config = cfg;
+        
+        // Setup the framing bytes for the packets
+        for (int i = 0; i < LED_BOARDS_TOTAL; i++) {
+            led_unescaped_buf[i].framing = LED_PACKET_FRAMING;
+            led_unescaped_buf[i].board = i;
+            led_unescaped_buf[i].data_len = chuni_led_board_data_lens[i];
+            
+            led_escaped_buf[i].framing = LED_PACKET_FRAMING;
+            led_escaped_buf[i].board = i;
+            led_escaped_buf[i].data_len = chuni_led_board_data_lens[i];
+        }
+        
+        any_outputs_enabled = config->cab_led_output_pipe || config->controller_led_output_pipe
+            || config->cab_led_output_serial || config->controller_led_output_serial;
+        
+        if (config->cab_led_output_pipe || config->controller_led_output_pipe)
+        {
+            led_pipe_init();  // don't really care about errors here tbh
+        }
+        
+        if (config->cab_led_output_serial || config->controller_led_output_serial)
+        {
+            led_serial_init(config->led_serial_port, config->led_serial_baud);
+        }
+    }
+    
+    led_output_is_init = true;
+    
+    ReleaseMutex(led_init_mutex);
+    return S_OK;
+    // return 0;
+}
+
+struct _chuni_led_data_buf_t* escape_led_data(struct _chuni_led_data_buf_t* unescaped)
+{
+    struct _chuni_led_data_buf_t* out_struct = &led_escaped_buf[unescaped->board];
+    
+    byte* in_buf = unescaped->data;
+    byte* out_buf = out_struct->data;
+    int i = 0;
+    int o = 0;
+    
+    while (i < unescaped->data_len)
+    {
+        byte b = in_buf[i++];
+        if (b == LED_PACKET_FRAMING || b == LED_PACKET_ESCAPE)
+        {
+            out_buf[o++] = LED_PACKET_ESCAPE;
+            b--;
+        }
+        out_buf[o++] = b;
+    }
+    
+    out_struct->data_len = o;
+    
+    return out_struct;
+}
+
+void led_output_update(uint8_t board, const byte* rgb)
+{
+    if (board < 0 || board > 2 || !any_outputs_enabled)
+    {
+        return;
+    }
+    
+    memcpy(led_unescaped_buf[board].data, rgb, led_unescaped_buf[board].data_len);
+    struct _chuni_led_data_buf_t* escaped_data = escape_led_data(&led_unescaped_buf[board]);
+    
+    if (board < 2)
+    {
+        // billboard (cab)
+        if (config->cab_led_output_pipe)
+        {
+            led_pipe_update(escaped_data);
+        }
+        
+        if (config->cab_led_output_serial)
+        {
+            led_serial_update(escaped_data);
+        }
+    }
+    else
+    {
+        // slider
+        if (config->controller_led_output_pipe)
+        {
+            led_pipe_update(escaped_data);
+        }
+        
+        if (config->controller_led_output_serial)
+        {
+            led_serial_update(escaped_data);
+        }
+    }
+}

chuniio/ledoutput.h

@@ -0,0 +1,19 @@
+/*
+    LED output functions
+    
+    Credits:
+    somewhatlurker, skogaby
+*/
+
+#pragma once
+
+#include <windows.h>
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "chuniio/config.h"
+
+extern HANDLE led_init_mutex;
+HRESULT led_output_init(struct chuni_io_config* const cfg);
+void led_output_update(uint8_t board, const byte* rgb);

chuniio/meson.build

@@ -5,9 +5,18 @@ chuniio_lib = static_library(
     implicit_include_directories : false,
     c_pch : '../precompiled.h',
     sources : [
+        'chu2to3.c',
+        'chu2to3.h',
         'chuniio.c',
         'chuniio.h',
         'config.c',
         'config.h',
+        'leddata.h',
+        'ledoutput.c',
+        'ledoutput.h',
+        'pipeimpl.c',
+        'pipeimpl.h',
+        'serialimpl.c',
+        'serialimpl.h'
     ],
 )

chuniio/pipeimpl.c

@@ -0,0 +1,160 @@
+#include <windows.h>
+
+#include <process.h>
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "chuniio/leddata.h"
+#include "chuniio/pipeimpl.h"
+
+static bool pipe_update[LED_BOARDS_TOTAL];
+
+// incoming data is copied into these to ensure it isn't written during output
+static struct _chuni_led_data_buf_t pipe_write_buf[LED_BOARDS_TOTAL];
+static HANDLE pipe_write_mutex;
+
+static HRESULT pipe_create(LPHANDLE hPipe, LPCWSTR lpszPipename, DWORD dwBufSize)
+{
+    *hPipe = INVALID_HANDLE_VALUE;
+    
+    *hPipe = CreateNamedPipeW( 
+        lpszPipename,                   // pipe name
+        PIPE_ACCESS_OUTBOUND,           // read/write access
+        PIPE_TYPE_BYTE |                // byte type pipe
+        PIPE_WAIT,                      // blocking mode
+        PIPE_UNLIMITED_INSTANCES,       // max. instances 
+        dwBufSize,                      // output buffer size
+        0,                              // input buffer size
+        0,                              // client time-out
+        NULL);                          // default security attribute
+    
+    if (*hPipe == INVALID_HANDLE_VALUE)
+    {
+        return E_FAIL;
+    }
+    
+    return S_OK;
+}
+
+static HRESULT pipe_write(HANDLE hPipe, LPCVOID lpBuffer, DWORD dwSize)
+{
+    DWORD cbWritten = 0;
+    
+    bool fSuccess = WriteFile( 
+        hPipe,
+        lpBuffer,
+        dwSize,
+        &cbWritten,
+        NULL);
+    
+    if (!fSuccess || cbWritten != dwSize) 
+    {
+        DWORD last_err = GetLastError();
+        return (last_err == ERROR_BROKEN_PIPE) ? E_ABORT : E_FAIL;
+    }
+
+    return S_OK;
+}
+
+static unsigned int __stdcall chuni_io_led_pipe_thread_proc(void *ctx)
+{
+    HANDLE hPipe;
+    LPCWSTR lpszPipename = L"\\\\.\\pipe\\chuni_led";
+    
+    while (true)
+    {
+        hPipe = INVALID_HANDLE_VALUE;
+        
+        if (pipe_create(&hPipe, lpszPipename, LED_OUTPUT_TOTAL_SIZE_MAX) != S_OK)
+        {
+            continue;
+        }
+        
+        // wait for a connection to the pipe
+        bool fConnected = ConnectNamedPipe(hPipe, NULL) ?
+            true : (GetLastError() == ERROR_PIPE_CONNECTED);
+        
+        while (fConnected)
+        {
+            if (WaitForSingleObject(pipe_write_mutex, INFINITE) != WAIT_OBJECT_0)
+            {
+                continue;
+            }
+            
+            for (int i = 0; i < LED_BOARDS_TOTAL; i++) {
+                if (pipe_update[i])
+                {
+                    HRESULT result = pipe_write(
+                        hPipe,
+                        &pipe_write_buf[i],
+                        LED_OUTPUT_HEADER_SIZE + pipe_write_buf[i].data_len);
+
+                    if (result != S_OK)
+                    {
+                        //if (result == E_ABORT) 
+                        //{
+                            fConnected = false;
+                        //}
+                        break;
+                    }
+                    
+                    pipe_update[i] = false;
+                }
+            }
+            
+            ReleaseMutex(pipe_write_mutex);
+        }
+        
+        FlushFileBuffers(hPipe); 
+        DisconnectNamedPipe(hPipe);
+        CloseHandle(hPipe);
+    }
+    
+    return 0;
+}
+
+HRESULT led_pipe_init()
+{
+    pipe_write_mutex = CreateMutex(
+        NULL,              // default security attributes
+        FALSE,             // initially not owned
+        NULL);             // unnamed mutex
+    
+    if (pipe_write_mutex == NULL)
+    {
+        return E_FAIL;
+    }
+    
+    // clear out update bools
+    for (int i = 0; i < LED_BOARDS_TOTAL; i++) {
+        pipe_update[i] = false;
+    }
+    
+    _beginthreadex(
+            NULL,
+            0,
+            chuni_io_led_pipe_thread_proc,
+            0,
+            0,
+            NULL);
+    
+    return S_OK;
+}
+
+void led_pipe_update(struct _chuni_led_data_buf_t* data)
+{
+    if (data->board > 2)
+    {
+        return;
+    }
+    
+    if (WaitForSingleObject(pipe_write_mutex, INFINITE) != WAIT_OBJECT_0)
+    {
+        return;
+    }
+    
+    memcpy(&pipe_write_buf[data->board], data, sizeof(struct _chuni_led_data_buf_t));
+    pipe_update[data->board] = true;
+    
+    ReleaseMutex(pipe_write_mutex);
+}

chuniio/pipeimpl.h

@@ -0,0 +1,15 @@
+/*
+    Pipe implementation for chuniio
+    
+    Credits:
+    somewhatlurker, skogaby
+*/
+
+#pragma once
+
+#include <windows.h>
+
+#include "chuniio/leddata.h"
+
+HRESULT led_pipe_init();
+void led_pipe_update(struct _chuni_led_data_buf_t* data);

chuniio/serialimpl.c

@@ -0,0 +1,99 @@
+#include <windows.h>
+
+#include <process.h>
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "chuniio/leddata.h"
+#include "chuniio/serialimpl.h"
+#include "util/dprintf.h"
+
+static HANDLE serial_port;
+static HANDLE serial_write_mutex;
+
+HRESULT led_serial_init(wchar_t led_com[12], DWORD baud)
+{
+    // Setup the serial communications
+    BOOL status;
+
+    serial_port = CreateFileW(led_com,
+            GENERIC_READ | GENERIC_WRITE,
+            0,
+            NULL,
+            OPEN_EXISTING,
+            0,
+            NULL);
+    
+    if (serial_port == INVALID_HANDLE_VALUE)
+        dprintf("Chunithm Serial LEDs: Failed to open COM port (Attempted on %S)\n", led_com);
+    else
+        dprintf("Chunithm Serial LEDs: COM port success!\n");
+            
+    DCB dcb_serial_params = { 0 };
+    dcb_serial_params.DCBlength = sizeof(dcb_serial_params);
+    status = GetCommState(serial_port, &dcb_serial_params);
+    
+    dcb_serial_params.BaudRate = baud;
+    dcb_serial_params.ByteSize = 8;
+    dcb_serial_params.StopBits = ONESTOPBIT;
+    dcb_serial_params.Parity   = NOPARITY; 
+    SetCommState(serial_port, &dcb_serial_params);
+    
+    COMMTIMEOUTS timeouts = { 0 };
+    timeouts.ReadIntervalTimeout         = 50;
+    timeouts.ReadTotalTimeoutConstant    = 50; 
+    timeouts.ReadTotalTimeoutMultiplier  = 10;
+    timeouts.WriteTotalTimeoutConstant   = 50;
+    timeouts.WriteTotalTimeoutMultiplier = 10;
+    
+    SetCommTimeouts(serial_port, &timeouts);
+
+    if (!status)
+    {
+        return E_FAIL;
+    }
+
+    serial_write_mutex = CreateMutex(
+        NULL,              // default security attributes
+        FALSE,             // initially not owned
+        NULL);             // unnamed mutex
+
+    if (serial_write_mutex == NULL)
+    {
+        return E_FAIL;
+    }
+
+    return S_OK;
+}
+
+void led_serial_update(struct _chuni_led_data_buf_t* data)
+{
+    if (data->board > 2)
+    {
+        return;
+    }
+    
+    if (WaitForSingleObject(serial_write_mutex, INFINITE) != WAIT_OBJECT_0)
+    {
+        return;
+    }
+
+    BOOL status = true;
+    DWORD bytes_written = 0;
+
+    if (serial_port != INVALID_HANDLE_VALUE) {
+        status = WriteFile(
+            serial_port, 
+            data, 
+            LED_OUTPUT_HEADER_SIZE + data->data_len, 
+            &bytes_written, 
+            NULL);
+    }
+
+    if (!status) {
+        DWORD last_err = GetLastError();
+        // dprintf("Chunithm Serial LEDs: Serial port write failed -- %d\n", last_err); 
+    }
+    
+    ReleaseMutex(serial_write_mutex);
+}

chuniio/serialimpl.h

@@ -0,0 +1,15 @@
+/*
+    Serial LED implementation for chuniio
+    
+    Credits:
+    somewhatlurker, skogaby
+*/
+
+#pragma once
+
+#include <windows.h>
+
+#include "chuniio/leddata.h"
+
+HRESULT led_serial_init(wchar_t led_com[12], DWORD baud);
+void led_serial_update(struct _chuni_led_data_buf_t* data);

chusanhook/chuni-dll.c

@@ -0,0 +1,189 @@
+#include <windows.h>
+
+#include <assert.h>
+#include <stdlib.h>
+
+#include "chuniio/chu2to3.h"
+#include "chusanhook/chuni-dll.h"
+
+#include "util/dll-bind.h"
+#include "util/dprintf.h"
+
+const struct dll_bind_sym chuni_dll_syms[] = {
+    {
+        .sym = "chuni_io_jvs_init",
+        .off = offsetof(struct chuni_dll, jvs_init),
+    }, {
+        .sym = "chuni_io_jvs_poll",
+        .off = offsetof(struct chuni_dll, jvs_poll),
+    }, {
+        .sym = "chuni_io_jvs_read_coin_counter",
+        .off = offsetof(struct chuni_dll, jvs_read_coin_counter),
+    }, {
+        .sym = "chuni_io_slider_init",
+        .off = offsetof(struct chuni_dll, slider_init),
+    }, {
+        .sym = "chuni_io_slider_start",
+        .off = offsetof(struct chuni_dll, slider_start),
+    }, {
+        .sym = "chuni_io_slider_stop",
+        .off = offsetof(struct chuni_dll, slider_stop),
+    }, {
+        .sym = "chuni_io_slider_set_leds",
+        .off = offsetof(struct chuni_dll, slider_set_leds),
+    }, {
+        .sym = "chuni_io_led_init",
+        .off = offsetof(struct chuni_dll, led_init),
+    }, {
+        .sym = "chuni_io_led_set_colors",
+        .off = offsetof(struct chuni_dll, led_set_leds),
+    }
+};
+
+const struct dll_bind_sym chu2to3_dll_syms[] = {
+    {
+        .sym = "chu2to3_io_jvs_init",
+        .off = offsetof(struct chuni_dll, jvs_init),
+    }, {
+        .sym = "chu2to3_io_jvs_poll",
+        .off = offsetof(struct chuni_dll, jvs_poll),
+    }, {
+        .sym = "chu2to3_io_jvs_read_coin_counter",
+        .off = offsetof(struct chuni_dll, jvs_read_coin_counter),
+    }, {
+        .sym = "chu2to3_io_slider_init",
+        .off = offsetof(struct chuni_dll, slider_init),
+    }, {
+        .sym = "chu2to3_io_slider_start",
+        .off = offsetof(struct chuni_dll, slider_start),
+    }, {
+        .sym = "chu2to3_io_slider_stop",
+        .off = offsetof(struct chuni_dll, slider_stop),
+    }, {
+        .sym = "chu2to3_io_slider_set_leds",
+        .off = offsetof(struct chuni_dll, slider_set_leds),
+    }, {
+        .sym = "chu2to3_io_led_init",
+        .off = offsetof(struct chuni_dll, led_init),
+    }, {
+        .sym = "chu2to3_io_led_set_colors",
+        .off = offsetof(struct chuni_dll, led_set_leds),
+    }
+};
+
+/* Helper function to determine upon dll_bind failure whether the required functions were found
+   NOTE: relies on symbols order declared above */
+static HRESULT has_enough_symbols(uint16_t version, uint8_t count)
+{
+    if ( version <= 0x0101 && count == 7 )
+        return S_OK;
+
+    if ( version >= 0x0102 && count == 9 )
+        return S_OK;
+
+    return E_FAIL;
+}
+
+struct chuni_dll chuni_dll;
+
+// Copypasta DLL binding and diagnostic message boilerplate.
+// Not much of this lends itself to being easily factored out. Also there
+// will be a lot of API-specific branching code here eventually as new API
+// versions get defined, so even though these functions all look the same
+// now this won't remain the case forever.
+
+HRESULT chuni_dll_init(const struct chuni_dll_config *cfg, HINSTANCE self)
+{
+    uint16_t (*get_api_version)(void);
+    const struct dll_bind_sym *sym;
+    HINSTANCE owned;
+    HINSTANCE src;
+    HRESULT hr;
+
+    assert(cfg != NULL);
+    assert(self != NULL);
+
+    owned = NULL;
+    src = self;
+
+    if (cfg->chu2to3) {
+        dprintf("Chunithm IO: using chu2to3 engine for IO DLL: %S\n", cfg->path);
+	} else if (cfg->path[0] != L'\0') {
+        owned = LoadLibraryW(cfg->path);
+
+        if (owned == NULL) {
+            hr = HRESULT_FROM_WIN32(GetLastError());
+            dprintf("Chunithm IO: Failed to load IO DLL: %lx: %S\n",
+                    hr,
+                    cfg->path);
+
+            goto end;
+        }
+
+        dprintf("Chunithm IO: Using custom IO DLL: %S\n", cfg->path);
+        src = owned;
+    }
+
+    if (cfg->chu2to3) {
+        if (chu2to3_load_dll(cfg->path) != 0)
+		    dprintf("Could not init chu2to3 engine\n");
+
+        get_api_version = (void *) GetProcAddress(src, "chu2to3_io_get_api_version");
+    }
+	else
+	{
+        get_api_version = (void *) GetProcAddress(src, "chuni_io_get_api_version");
+	}
+
+    if (get_api_version != NULL) {
+        chuni_dll.api_version = get_api_version();
+    } else {
+        chuni_dll.api_version = 0x0100;
+        dprintf("Custom IO DLL does not expose chuni_io_get_api_version, "
+                "assuming API version 1.0.\n"
+                "Please ask the developer to update their DLL.\n");
+    }
+
+    if (chuni_dll.api_version >= 0x0200) {
+        hr = E_NOTIMPL;
+        dprintf("Chunithm IO: Custom IO DLL implements an unsupported "
+                "API version (%#04x). Please update Segatools.\n",
+                chuni_dll.api_version);
+
+        goto end;
+    }
+
+    sym = cfg->chu2to3 ? chu2to3_dll_syms : chuni_dll_syms;
+    const struct dll_bind_sym *init_sym = &sym[0];
+
+    hr = dll_bind(&chuni_dll, src, &sym, _countof(chuni_dll_syms));
+
+    if (FAILED(hr)) {
+        if (src != self) {
+            // Might still be ok depending on external dll API version
+            int bind_count = sym - init_sym;
+            if ( has_enough_symbols(chuni_dll.api_version, bind_count) == S_OK )
+            {
+                hr = S_OK;
+            } else {
+                dprintf("Chunithm IO: Custom IO DLL does not provide function "
+                        "\"%s\". Please contact your IO DLL's developer for "
+                        "further assistance.\n",
+                        sym->sym);
+                dprintf("imported %d symbols\n", bind_count);
+                goto end;
+            }
+        } else {
+            dprintf("Internal error: could not reflect \"%s\"\n", sym->sym);
+        }
+    }
+
+    owned = NULL;
+
+end:
+    if (owned != NULL) {
+        FreeLibrary(owned);
+    }
+
+    return hr;
+}

chusanhook/chuni-dll.h

@@ -0,0 +1,27 @@
+#pragma once
+
+#include <windows.h>
+
+#include "chuniio/chuniio.h"
+
+struct chuni_dll {
+    uint16_t api_version;
+    HRESULT (*jvs_init)(void);
+    void (*jvs_poll)(uint8_t *opbtn, uint8_t *beams);
+    void (*jvs_read_coin_counter)(uint16_t *total);
+    HRESULT (*slider_init)(void);
+    void (*slider_start)(chuni_io_slider_callback_t callback);
+    void (*slider_stop)(void);
+    void (*slider_set_leds)(const uint8_t *rgb);
+    HRESULT (*led_init)(void);
+    void (*led_set_leds)(uint8_t board, uint8_t *rgb);
+};
+
+struct chuni_dll_config {
+    wchar_t path[MAX_PATH];
+    uint8_t chu2to3;
+};
+
+extern struct chuni_dll chuni_dll;
+
+HRESULT chuni_dll_init(const struct chuni_dll_config *cfg, HINSTANCE self);

chusanhook/chusanhook.def

@@ -0,0 +1,34 @@
+LIBRARY chusanhook
+
+EXPORTS
+    Direct3DCreate9
+    aime_io_get_api_version
+    aime_io_init
+    aime_io_led_set_color
+    aime_io_nfc_get_aime_id
+    aime_io_nfc_get_felica_id
+    aime_io_nfc_poll
+    amDllVideoClose @2
+    amDllVideoGetVBiosVersion @4
+    amDllVideoOpen @1
+    amDllVideoSetResolution @3
+    chuni_io_get_api_version
+    chuni_io_jvs_init
+    chuni_io_jvs_poll
+    chuni_io_jvs_read_coin_counter
+    chuni_io_slider_init
+    chuni_io_slider_set_leds
+    chuni_io_slider_start
+    chuni_io_slider_stop
+    chuni_io_led_init
+    chuni_io_led_set_colors
+    chu2to3_io_get_api_version
+    chu2to3_io_jvs_init
+    chu2to3_io_jvs_poll
+    chu2to3_io_jvs_read_coin_counter
+    chu2to3_io_slider_init
+    chu2to3_io_slider_set_leds
+    chu2to3_io_slider_start
+    chu2to3_io_slider_stop
+    chu2to3_io_led_init
+    chu2to3_io_led_set_colors

chusanhook/config.c

@@ -0,0 +1,167 @@
+#include <assert.h>
+#include <stddef.h>
+
+#include "board/config.h"
+
+#include "hooklib/config.h"
+#include "hooklib/dvd.h"
+
+#include "gfxhook/config.h"
+
+#include "platform/config.h"
+
+#include "chusanhook/config.h"
+
+// Check windows
+#if _WIN32 || _WIN64
+    #if _WIN64
+        #define ENV64BIT
+    #else
+        #define ENV32BIT
+    #endif
+#endif
+
+// Check GCC
+#if __GNUC__
+    #if __x86_64__ || __ppc64__
+        #define ENV64BIT
+    #else
+        #define ENV32BIT
+    #endif
+#endif
+
+void chuni_dll_config_load(
+        struct chuni_dll_config *cfg,
+        const wchar_t *filename)
+{
+    assert(cfg != NULL);
+    assert(filename != NULL);
+
+    // Workaround for x64/x86 external IO dlls
+    // path32 for 32bit, path64 for 64bit
+    // path for 32bit only dlls (internal chu2to3 engine)
+
+    GetPrivateProfileStringW(
+            L"chuniio",
+            L"path",
+            L"",
+            cfg->path,
+            _countof(cfg->path),
+            filename);
+    if (cfg->path[0] != L'\0') {
+        cfg->chu2to3 = 1;
+    } else {
+        cfg->chu2to3 = 0;
+    #if defined(ENV32BIT)	
+			GetPrivateProfileStringW(
+					L"chuniio",
+					L"path32",
+					L"",
+					cfg->path,
+					_countof(cfg->path),
+					filename);
+    #elif defined(ENV64BIT)
+        GetPrivateProfileStringW(
+                L"chuniio",
+                L"path64",
+                L"",
+                cfg->path,
+                _countof(cfg->path),
+                filename);
+    #else
+        #error "Unknown environment"
+    #endif
+    }
+}
+
+void slider_config_load(struct slider_config *cfg, const wchar_t *filename)
+{
+    assert(cfg != NULL);
+    assert(filename != NULL);
+
+    cfg->enable = GetPrivateProfileIntW(L"slider", L"enable", 1, filename);
+}
+
+void led15093_config_load(struct led15093_config *cfg, const wchar_t *filename)
+{
+    assert(cfg != NULL);
+    assert(filename != NULL);
+
+    wchar_t tmpstr[16];
+    bool cvt_port;
+
+    memset(cfg->board_number, ' ', sizeof(cfg->board_number));
+    memset(cfg->chip_number, ' ', sizeof(cfg->chip_number));
+    memset(cfg->boot_chip_number, ' ', sizeof(cfg->boot_chip_number));
+
+    cfg->enable = GetPrivateProfileIntW(L"led15093", L"enable", 1, filename);
+    cfg->port_no = 0;
+    cfg->high_baudrate = GetPrivateProfileIntW(L"led15093", L"highBaud", 0, filename);
+    cfg->fw_ver = GetPrivateProfileIntW(L"led15093", L"fwVer", 0x90, filename);
+    cfg->fw_sum = GetPrivateProfileIntW(L"led15093", L"fwSum", 0xadf7, filename);
+
+    GetPrivateProfileStringW(
+            L"led15093",
+            L"boardNumber",
+            L"15093-06",
+            tmpstr,
+            _countof(tmpstr),
+            filename);
+
+    size_t n = wcstombs(cfg->board_number, tmpstr, sizeof(cfg->board_number));
+    for (int i = n; i < sizeof(cfg->board_number); i++)
+    {
+        cfg->board_number[i] = ' ';
+    }
+
+    GetPrivateProfileStringW(
+            L"led15093",
+            L"chipNumber",
+            L"6710 ",
+            tmpstr,
+            _countof(tmpstr),
+            filename);
+
+    n = wcstombs(cfg->chip_number, tmpstr, sizeof(cfg->chip_number));
+    for (int i = n; i < sizeof(cfg->chip_number); i++)
+    {
+        cfg->chip_number[i] = ' ';
+    }
+
+    GetPrivateProfileStringW(
+            L"led15093",
+            L"bootChipNumber",
+            L"6709 ",
+            tmpstr,
+            _countof(tmpstr),
+            filename);
+
+    n = wcstombs(cfg->boot_chip_number, tmpstr, sizeof(cfg->boot_chip_number));
+    for (int i = n; i < sizeof(cfg->boot_chip_number); i++)
+    {
+        cfg->boot_chip_number[i] = ' ';
+    }
+}
+
+void chusan_hook_config_load(
+        struct chusan_hook_config *cfg,
+        const wchar_t *filename)
+{
+    assert(cfg != NULL);
+    assert(filename != NULL);
+
+    memset(cfg, 0, sizeof(*cfg));
+
+    // Force load the 64bit Aime DLL instead of the 32bit one
+    cfg->aime.dll.path64 = true;
+
+    platform_config_load(&cfg->platform, filename);
+    aime_config_load(&cfg->aime, filename);
+    dvd_config_load(&cfg->dvd, filename);
+    io4_config_load(&cfg->io4, filename);
+    gfx_config_load(&cfg->gfx, filename);
+    vfd_config_load(&cfg->vfd, filename);
+    chuni_dll_config_load(&cfg->dll, filename);
+    slider_config_load(&cfg->slider, filename);
+    led15093_config_load(&cfg->led15093, filename);
+}

chusanhook/config.h

@@ -0,0 +1,35 @@
+#pragma once
+
+#include <stddef.h>
+
+#include "board/config.h"
+#include "board/led15093.h"
+
+#include "hooklib/dvd.h"
+
+#include "gfxhook/config.h"
+
+#include "platform/config.h"
+
+#include "chusanhook/chuni-dll.h"
+#include "chusanhook/slider.h"
+
+struct chusan_hook_config {
+    struct platform_config platform;
+    struct aime_config aime;
+    struct dvd_config dvd;
+    struct io4_config io4;
+    struct gfx_config gfx;
+    struct vfd_config vfd;
+    struct chuni_dll_config dll;
+    struct slider_config slider;
+    struct led15093_config led15093;
+};
+
+void chuni_dll_config_load(
+        struct chuni_dll_config *cfg,
+        const wchar_t *filename);
+void slider_config_load(struct slider_config *cfg, const wchar_t *filename);
+void chusan_hook_config_load(
+        struct chusan_hook_config *cfg,
+        const wchar_t *filename);

chusanhook/dllmain.c

@@ -0,0 +1,181 @@
+#include <windows.h>
+
+#include <stddef.h>
+#include <stdlib.h>
+
+#include "amex/amex.h"
+
+#include "board/sg-reader.h"
+#include "board/vfd.h"
+
+#include "chusanhook/config.h"
+#include "chusanhook/io4.h"
+#include "chusanhook/slider.h"
+
+#include "chuniio/chuniio.h"
+
+#include "hook/process.h"
+
+#include "gfxhook/d3d9.h"
+#include "gfxhook/gfx.h"
+
+#include "hooklib/serial.h"
+#include "hooklib/spike.h"
+
+#include "platform/platform.h"
+
+#include "util/dprintf.h"
+
+static HMODULE chusan_hook_mod;
+static process_entry_t chusan_startup;
+static struct chusan_hook_config chusan_hook_cfg;
+
+static DWORD CALLBACK chusan_pre_startup(void)
+{
+    HMODULE d3dc;
+    HMODULE dbghelp;
+    HRESULT hr;
+
+    dprintf("--- Begin chusan_pre_startup ---\n");
+
+    /* Pin the D3D shader compiler. This makes startup much faster. */
+
+    d3dc = LoadLibraryW(L"D3DCompiler_43.dll");
+
+    if (d3dc != NULL) {
+        dprintf("Pinned shader compiler, hMod=%p\n", d3dc);
+    } else {
+        dprintf("Failed to load shader compiler!\n");
+    }
+
+    /* Pin dbghelp so the path hooks apply to it. */
+
+    dbghelp = LoadLibraryW(L"dbghelp.dll");
+
+    if (dbghelp != NULL) {
+        dprintf("Pinned debug helper library, hMod=%p\n", dbghelp);
+    } else {
+        dprintf("Failed to load debug helper library!\n");
+    }
+
+    /* Config load */
+
+    chusan_hook_config_load(&chusan_hook_cfg, L".\\segatools.ini");
+
+    /* Hook Win32 APIs */
+    
+    dvd_hook_init(&chusan_hook_cfg.dvd, chusan_hook_mod);
+    gfx_hook_init(&chusan_hook_cfg.gfx);
+    gfx_d3d9_hook_init(&chusan_hook_cfg.gfx, chusan_hook_mod);
+    serial_hook_init();
+
+    /* Initialize emulation hooks */
+
+    hr = platform_hook_init(
+        &chusan_hook_cfg.platform,
+        "SDHD",
+        "ACA2",
+        chusan_hook_mod);
+
+    if (FAILED(hr)) {
+        goto fail;
+    }
+
+    hr = chuni_dll_init(&chusan_hook_cfg.dll, chusan_hook_mod);
+
+    if (FAILED(hr)) {
+        goto fail;
+    }
+
+    hr = chusan_io4_hook_init(&chusan_hook_cfg.io4);
+
+    if (FAILED(hr)) {
+        goto fail;
+    }
+
+    hr = slider_hook_init(&chusan_hook_cfg.slider);
+
+    if (FAILED(hr)) {
+        goto fail;
+    }
+
+    bool *dipsw = &chusan_hook_cfg.platform.dipsw.dipsw[0];
+    bool is_cvt = dipsw[2];
+
+    for (int i = 0; i < 3; i++) {
+        switch (i) {
+        case 0:
+            dprintf("DipSw: NetInstall: %s\n", dipsw[0] ? "Server" : "Client");
+            break;
+
+        case 1:
+            dprintf("DipSw: Monitor Type: %dFPS\n", dipsw[1] ? 60 : 120);
+            break;
+
+        case 2:
+            dprintf("DipSw: Cab Type: %s\n", is_cvt ? "CVT" : "SP");
+
+            break;
+        }
+    }
+
+    unsigned int first_port = is_cvt ? 2 : 20;
+
+    if (!is_cvt) {
+        hr = vfd_hook_init(&chusan_hook_cfg.vfd, 2);
+
+        if (FAILED(hr)) {
+            goto fail;
+        }
+    }
+
+    if ( chuni_dll.led_init == NULL || chuni_dll.led_set_leds == NULL )
+    {
+        dprintf("IO DLL doesn't support led_init/led_set_leds, cannot start LED15093 hook\n");
+    } else {
+        hr = led15093_hook_init(&chusan_hook_cfg.led15093, 
+            chuni_dll.led_init, chuni_dll.led_set_leds, first_port, 2, 2, 1);
+
+        if (FAILED(hr)) {
+            goto fail;
+        }
+    }
+
+    hr = sg_reader_hook_init(&chusan_hook_cfg.aime, 4, is_cvt ? 2: 3, chusan_hook_mod);
+
+    if (FAILED(hr)) {
+        goto fail;
+    }
+
+    /* Initialize debug helpers */
+
+    spike_hook_init(L".\\segatools.ini");
+
+    dprintf("---  End  chusan_pre_startup ---\n");
+
+    /* Jump to EXE start address */
+
+    return chusan_startup();
+
+fail:
+    ExitProcess(EXIT_FAILURE);
+}
+
+BOOL WINAPI DllMain(HMODULE mod, DWORD cause, void *ctx)
+{
+    HRESULT hr;
+
+    if (cause != DLL_PROCESS_ATTACH) {
+        return TRUE;
+    }
+
+    chusan_hook_mod = mod;
+
+    hr = process_hijack_startup(chusan_pre_startup, &chusan_startup);
+
+    if (!SUCCEEDED(hr)) {
+        dprintf("Failed to hijack process startup: %x\n", (int) hr);
+    }
+
+    return SUCCEEDED(hr);
+}

chusanhook/io4.c

@@ -0,0 +1,106 @@
+#include <windows.h>
+
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "board/io4.h"
+
+#include "chusanhook/chuni-dll.h"
+#include "util/dprintf.h"
+
+struct chunithm_jvs_ir_mask {
+    uint16_t p1;
+    uint16_t p2;
+};
+
+// Incorrect IR beam mappings retained for backward compatibility
+static const struct chunithm_jvs_ir_mask chunithm_jvs_ir_masks_v1[] = {
+    { 0, 1 << 13 },
+    { 1 << 13, 0 },
+    { 0, 1 << 12 },
+    { 1 << 12, 0 },
+    { 0, 1 << 11 },
+    { 1 << 11, 0 },
+};
+
+static const struct chunithm_jvs_ir_mask chunithm_jvs_ir_masks[] = {
+    { 1 << 13, 0 },
+    { 0, 1 << 13 },
+    { 1 << 12, 0 },
+    { 0, 1 << 12 },
+    { 1 << 11, 0 },
+    { 0, 1 << 11 },
+};
+
+static HRESULT chusan_io4_poll(void* ctx, struct io4_state* state);
+static uint16_t coins;
+
+static const struct io4_ops chusan_io4_ops = {
+    .poll = chusan_io4_poll,
+};
+
+HRESULT chusan_io4_hook_init(const struct io4_config* cfg)
+{
+    HRESULT hr;
+
+    assert(chuni_dll.jvs_init != NULL);
+
+    dprintf("USB I/O: Starting IO backend\n");
+    hr = chuni_dll.jvs_init();
+
+    if (FAILED(hr)) {
+        dprintf("USB I/O: Backend error, I/O disconnected: %x\n", (int)hr);
+
+        return hr;
+    }
+
+    io4_hook_init(cfg, &chusan_io4_ops, NULL);
+
+    return S_OK;
+}
+
+static HRESULT chusan_io4_poll(void* ctx, struct io4_state* state)
+{
+    const struct chunithm_jvs_ir_mask *masks;
+    uint8_t opbtn;
+    uint8_t beams;
+    size_t i;
+
+    memset(state, 0, sizeof(*state));
+
+    opbtn = 0;
+    beams = 0;
+
+    chuni_dll.jvs_poll(&opbtn, &beams);
+    chuni_dll.jvs_read_coin_counter(&coins);
+
+    if (chuni_dll.api_version >= 0x0101) {
+        // Use correct mapping
+        masks = chunithm_jvs_ir_masks;
+    } else {
+        // Use backwards-compatible incorrect mapping
+        masks = chunithm_jvs_ir_masks_v1;
+    }
+
+    if (opbtn & CHUNI_IO_OPBTN_TEST) {
+        state->buttons[0] |= IO4_BUTTON_TEST;
+    }
+
+    if (opbtn & CHUNI_IO_OPBTN_SERVICE) {
+        state->buttons[0] |= IO4_BUTTON_SERVICE;
+    }
+
+    // Update the coin counter with the value from jvs_read_coin_counter
+    state->chutes[0] = coins << 8;
+
+    for (i = 0; i < 6; i++) {
+        /* Beam "press" is active-low hence the ~ */
+        if (~beams & (1 << i)) {
+            state->buttons[0] |= masks[i].p1;
+            state->buttons[1] |= masks[i].p2;
+        }
+    }
+
+    return S_OK;
+}

chusanhook/io4.h

@@ -0,0 +1,5 @@
+#pragma once
+
+#include <windows.h>
+
+HRESULT chusan_io4_hook_init(const struct io4_config *cfg);

chusanhook/meson.build

@@ -0,0 +1,32 @@
+shared_library(
+    'chusanhook',
+    name_prefix : '',
+    include_directories : inc,
+    implicit_include_directories : false,
+    vs_module_defs : 'chusanhook.def',
+    c_pch : '../precompiled.h',
+    dependencies : [
+        capnhook.get_variable('hook_dep'),
+        capnhook.get_variable('hooklib_dep'),
+    ],
+    link_with : [
+        aimeio_lib,
+        board_lib,
+        chuniio_lib,
+        gfxhook_lib,
+        hooklib_lib,
+        platform_lib,
+        util_lib,
+    ],
+    sources : [
+        'chuni-dll.c',
+        'chuni-dll.h',
+        'config.c',
+        'config.h',
+        'dllmain.c',
+        'io4.c',
+        'io4.h',
+        'slider.c',
+        'slider.h',
+    ],
+)

chusanhook/slider.c

@@ -0,0 +1,249 @@
+#include <windows.h>
+
+#include <assert.h>
+#include <process.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <string.h>
+
+#include "board/slider-cmd.h"
+#include "board/slider-frame.h"
+
+#include "chusanhook/chuni-dll.h"
+#include "chusanhook/slider.h"
+
+#include "hook/iobuf.h"
+#include "hook/iohook.h"
+
+#include "hooklib/uart.h"
+
+#include "util/dprintf.h"
+#include "util/dump.h"
+
+static HRESULT slider_handle_irp(struct irp *irp);
+static HRESULT slider_handle_irp_locked(struct irp *irp);
+
+static HRESULT slider_req_dispatch(const union slider_req_any *req);
+static HRESULT slider_req_reset(void);
+static HRESULT slider_req_get_board_info(void);
+static HRESULT slider_req_auto_scan_start(void);
+static HRESULT slider_req_auto_scan_stop(void);
+static HRESULT slider_req_set_led(const struct slider_req_set_led *req);
+
+static void slider_res_auto_scan(const uint8_t *state);
+
+static CRITICAL_SECTION slider_lock;
+static struct uart slider_uart;
+static uint8_t slider_written_bytes[520];
+static uint8_t slider_readable_bytes[520];
+
+HRESULT slider_hook_init(const struct slider_config *cfg)
+{
+    assert(cfg != NULL);
+    assert(chuni_dll.slider_init != NULL);
+
+    if (!cfg->enable) {
+        return S_FALSE;
+    }
+
+    InitializeCriticalSection(&slider_lock);
+
+    uart_init(&slider_uart, 1);
+    slider_uart.written.bytes = slider_written_bytes;
+    slider_uart.written.nbytes = sizeof(slider_written_bytes);
+    slider_uart.readable.bytes = slider_readable_bytes;
+    slider_uart.readable.nbytes = sizeof(slider_readable_bytes);
+
+    return iohook_push_handler(slider_handle_irp);
+}
+
+static HRESULT slider_handle_irp(struct irp *irp)
+{
+    HRESULT hr;
+
+    assert(irp != NULL);
+
+    if (!uart_match_irp(&slider_uart, irp)) {
+        return iohook_invoke_next(irp);
+    }
+
+    EnterCriticalSection(&slider_lock);
+    hr = slider_handle_irp_locked(irp);
+    LeaveCriticalSection(&slider_lock);
+
+    return hr;
+}
+
+static HRESULT slider_handle_irp_locked(struct irp *irp)
+{
+    union slider_req_any req;
+    struct iobuf req_iobuf;
+    HRESULT hr;
+
+    if (irp->op == IRP_OP_OPEN) {
+        dprintf("Chunithm slider: Starting backend\n");
+        hr = chuni_dll.slider_init();
+
+        if (FAILED(hr)) {
+            dprintf("Chunithm slider: Backend error: %x\n", (int) hr);
+
+            return hr;
+        }
+    }
+
+    hr = uart_handle_irp(&slider_uart, irp);
+
+    if (FAILED(hr) || irp->op != IRP_OP_WRITE) {
+        return hr;
+    }
+
+    for (;;) {
+#if 0
+        dprintf("TX Buffer:\n");
+        dump_iobuf(&slider_uart.written);
+#endif
+
+        req_iobuf.bytes = req.bytes;
+        req_iobuf.nbytes = sizeof(req.bytes);
+        req_iobuf.pos = 0;
+
+        hr = slider_frame_decode(&req_iobuf, &slider_uart.written);
+
+        if (hr != S_OK) {
+            if (FAILED(hr)) {
+                dprintf("Chunithm slider: Deframe error: %x\n", (int) hr);
+            }
+
+            return hr;
+        }
+
+#if 0
+        dprintf("Deframe Buffer:\n");
+        dump_iobuf(&req_iobuf);
+#endif
+
+        hr = slider_req_dispatch(&req);
+
+        if (FAILED(hr)) {
+            dprintf("Chunithm slider: Processing error: %x\n", (int) hr);
+        }
+    }
+}
+
+static HRESULT slider_req_dispatch(const union slider_req_any *req)
+{
+    switch (req->hdr.cmd) {
+    case SLIDER_CMD_RESET:
+        return slider_req_reset();
+
+    case SLIDER_CMD_GET_BOARD_INFO:
+        return slider_req_get_board_info();
+
+    case SLIDER_CMD_SET_LED:
+        return slider_req_set_led(&req->set_led);
+
+    case SLIDER_CMD_AUTO_SCAN_START:
+        return slider_req_auto_scan_start();
+
+    case SLIDER_CMD_AUTO_SCAN_STOP:
+        return slider_req_auto_scan_stop();
+
+    default:
+        dprintf("Unhandled command %02x\n", req->hdr.cmd);
+
+        return S_OK;
+    }
+}
+
+static HRESULT slider_req_reset(void)
+{
+    struct slider_hdr resp;
+
+    dprintf("Chunithm slider: Reset\n");
+
+    resp.sync = 0xFF;
+    resp.cmd = SLIDER_CMD_RESET;
+    resp.nbytes = 0;
+
+    return slider_frame_encode(&slider_uart.readable, &resp, sizeof(resp));
+}
+
+static HRESULT slider_req_get_board_info(void)
+{
+    struct slider_resp_get_board_info resp;
+
+    dprintf("Chunithm slider: Get firmware version\n");
+
+    memset(&resp, 0, sizeof(resp));
+    resp.hdr.sync = SLIDER_FRAME_SYNC;
+    resp.hdr.cmd = SLIDER_CMD_GET_BOARD_INFO;
+    resp.hdr.nbytes = sizeof(resp.version);
+
+    strcpy_s(
+            resp.version,
+            sizeof(resp.version),
+            "15330   \xA0" "06712\xFF" "\x90");
+
+    return slider_frame_encode(&slider_uart.readable, &resp, sizeof(resp));
+}
+
+static HRESULT slider_req_auto_scan_start(void)
+{
+    assert(chuni_dll.slider_start != NULL);
+
+    dprintf("Chunithm slider: Start slider notifications\n");
+    chuni_dll.slider_start(slider_res_auto_scan);
+
+    /* This message is not acknowledged */
+
+    return S_OK;
+}
+
+static HRESULT slider_req_auto_scan_stop(void)
+{
+    struct slider_hdr resp;
+
+    assert(chuni_dll.slider_stop != NULL);
+
+    dprintf("Chunithm slider: Stop slider notifications\n");
+
+    /* IO DLL worker thread might attempt to invoke the callback (which needs
+       to take slider_lock, which we are currently holding) before noticing that
+       it needs to shut down. Unlock here so that we don't deadlock in that
+       situation. */
+
+    LeaveCriticalSection(&slider_lock);
+    chuni_dll.slider_stop();
+    EnterCriticalSection(&slider_lock);
+
+    resp.sync = SLIDER_FRAME_SYNC;
+    resp.cmd = SLIDER_CMD_AUTO_SCAN_STOP;
+    resp.nbytes = 0;
+
+    return slider_frame_encode(&slider_uart.readable, &resp, sizeof(resp));
+}
+
+static HRESULT slider_req_set_led(const struct slider_req_set_led *req)
+{
+    assert(chuni_dll.slider_set_leds != NULL);
+
+    chuni_dll.slider_set_leds(req->payload.rgb);
+
+    /* This message is not acknowledged */
+
+    return S_OK;
+}
+
+static void slider_res_auto_scan(const uint8_t *state)
+{
+    struct slider_resp_auto_scan resp;
+
+    resp.hdr.sync = SLIDER_FRAME_SYNC;
+    resp.hdr.cmd = SLIDER_CMD_AUTO_SCAN;
+    resp.hdr.nbytes = sizeof(resp.pressure);
+    memcpy(resp.pressure, state, sizeof(resp.pressure));
+
+    EnterCriticalSection(&slider_lock);
+    slider_frame_encode(&slider_uart.readable, &resp, sizeof(resp));
+    LeaveCriticalSection(&slider_lock);
+}

chusanhook/slider.h

@@ -0,0 +1,11 @@
+#pragma once
+
+#include <windows.h>
+
+#include <stdbool.h>
+
+struct slider_config {
+    bool enable;
+};
+
+HRESULT slider_hook_init(const struct slider_config *cfg);

cmhook/cm-dll.c

@@ -0,0 +1,106 @@
+#include <windows.h>
+
+#include <assert.h>
+#include <stdlib.h>
+
+#include "cmhook/cm-dll.h"
+
+#include "util/dll-bind.h"
+#include "util/dprintf.h"
+
+const struct dll_bind_sym cm_dll_syms[] = {
+    {
+        .sym = "cm_io_init",
+        .off = offsetof(struct cm_dll, init),
+    }, {
+        .sym = "cm_io_poll",
+        .off = offsetof(struct cm_dll, poll),
+    }, {
+        .sym = "cm_io_get_opbtns",
+        .off = offsetof(struct cm_dll, get_opbtns),
+    }
+};
+
+struct cm_dll cm_dll;
+
+// Copypasta DLL binding and diagnostic message boilerplate.
+// Not much of this lends itself to being easily factored out. Also there
+// will be a lot of API-specific branching code here eventually as new API
+// versions get defined, so even though these functions all look the same
+// now this won't remain the case forever.
+
+HRESULT cm_dll_init(const struct cm_dll_config *cfg, HINSTANCE self)
+{
+    uint16_t (*get_api_version)(void);
+    const struct dll_bind_sym *sym;
+    HINSTANCE owned;
+    HINSTANCE src;
+    HRESULT hr;
+
+    assert(cfg != NULL);
+    assert(self != NULL);
+
+    if (cfg->path[0] != L'\0') {
+        owned = LoadLibraryW(cfg->path);
+
+        if (owned == NULL) {
+            hr = HRESULT_FROM_WIN32(GetLastError());
+            dprintf("CardMaker IO: Failed to load IO DLL: %lx: %S\n",
+                    hr,
+                    cfg->path);
+
+            goto end;
+        }
+
+        dprintf("CardMaker IO: Using custom IO DLL: %S\n", cfg->path);
+        src = owned;
+    } else {
+        owned = NULL;
+        src = self;
+    }
+
+    get_api_version = (void *) GetProcAddress(src, "cm_io_get_api_version");
+
+    if (get_api_version != NULL) {
+        cm_dll.api_version = get_api_version();
+    } else {
+        cm_dll.api_version = 0x0100;
+        dprintf("Custom IO DLL does not expose cm_io_get_api_version, "
+                "assuming API version 1.0.\n"
+                "Please ask the developer to update their DLL.\n");
+    }
+
+    if (cm_dll.api_version >= 0x0200) {
+        hr = E_NOTIMPL;
+        dprintf("CardMaker IO: Custom IO DLL implements an unsupported "
+                "API version (%#04x). Please update Segatools.\n",
+                cm_dll.api_version);
+
+        goto end;
+    }
+
+    sym = cm_dll_syms;
+    hr = dll_bind(&cm_dll, src, &sym, _countof(cm_dll_syms));
+
+    if (FAILED(hr)) {
+        if (src != self) {
+            dprintf("CardMaker IO: Custom IO DLL does not provide function "
+                    "\"%s\". Please contact your IO DLL's developer for "
+                    "further assistance.\n",
+                    sym->sym);
+
+            goto end;
+        } else {
+            dprintf("Internal error: could not reflect \"%s\"\n", sym->sym);
+        }
+    }
+
+    owned = NULL;
+
+end:
+    if (owned != NULL) {
+        FreeLibrary(owned);
+    }
+
+    return hr;
+}

cmhook/cm-dll.h

@@ -0,0 +1,20 @@
+#pragma once
+
+#include <windows.h>
+
+#include "cmio/cmio.h"
+
+struct cm_dll {
+    uint16_t api_version;
+    HRESULT (*init)(void);
+    HRESULT (*poll)(void);
+    void (*get_opbtns)(uint8_t *opbtn);
+};
+
+struct cm_dll_config {
+    wchar_t path[MAX_PATH];
+};
+
+extern struct cm_dll cm_dll;
+
+HRESULT cm_dll_init(const struct cm_dll_config *cfg, HINSTANCE self);

cmhook/cmhook.def

@@ -0,0 +1,17 @@
+LIBRARY cmhook
+
+EXPORTS
+    aime_io_get_api_version
+    aime_io_init
+    aime_io_led_set_color
+    aime_io_nfc_get_aime_id
+    aime_io_nfc_get_felica_id
+    aime_io_nfc_poll
+    amDllVideoClose @2
+    amDllVideoGetVBiosVersion @4
+    amDllVideoOpen @1
+    amDllVideoSetResolution @3
+    cm_io_get_api_version
+    cm_io_get_opbtns
+    cm_io_init
+    cm_io_poll

cmhook/config.c

@@ -0,0 +1,44 @@
+#include <assert.h>
+#include <stddef.h>
+
+#include "board/config.h"
+
+#include "hooklib/config.h"
+#include "hooklib/dvd.h"
+
+#include "cmhook/config.h"
+
+#include "platform/config.h"
+
+void cm_dll_config_load(
+        struct cm_dll_config *cfg,
+        const wchar_t *filename)
+{
+    assert(cfg != NULL);
+    assert(filename != NULL);
+
+    GetPrivateProfileStringW(
+            L"cmio",
+            L"path",
+            L"",
+            cfg->path,
+            _countof(cfg->path),
+            filename);
+}
+
+void cm_hook_config_load(
+        struct cm_hook_config *cfg,
+        const wchar_t *filename)
+{
+    assert(cfg != NULL);
+    assert(filename != NULL);
+
+    platform_config_load(&cfg->platform, filename);
+    aime_config_load(&cfg->aime, filename);
+    dvd_config_load(&cfg->dvd, filename);
+    io4_config_load(&cfg->io4, filename);
+    vfd_config_load(&cfg->vfd, filename);
+    touch_screen_config_load(&cfg->touch, filename);
+    cm_dll_config_load(&cfg->dll, filename);
+    unity_config_load(&cfg->unity, filename);
+}

cmhook/config.h

@@ -0,0 +1,33 @@
+#pragma once
+
+#include <stddef.h>
+
+#include "board/config.h"
+
+#include "hooklib/dvd.h"
+#include "hooklib/touch.h"
+
+#include "cmhook/cm-dll.h"
+
+#include "platform/config.h"
+
+#include "unityhook/config.h"
+
+struct cm_hook_config {
+    struct platform_config platform;
+    struct aime_config aime;
+    struct dvd_config dvd;
+    struct io4_config io4;
+    struct vfd_config vfd;
+    struct cm_dll_config dll;
+    struct touch_screen_config touch;
+    struct unity_config unity;
+};
+
+void cm_dll_config_load(
+        struct cm_dll_config *cfg,
+        const wchar_t *filename);
+
+void cm_hook_config_load(
+        struct cm_hook_config *cfg,
+        const wchar_t *filename);

cmhook/dllmain.c

@@ -0,0 +1,120 @@
+#include <windows.h>
+
+#include <stdlib.h>
+
+#include "board/io4.h"
+#include "board/sg-reader.h"
+#include "board/vfd.h"
+
+#include "hook/process.h"
+
+#include "hooklib/dvd.h"
+#include "hooklib/touch.h"
+#include "hooklib/serial.h"
+#include "hooklib/spike.h"
+
+#include "cmhook/config.h"
+#include "cmhook/io4.h"
+#include "cmhook/cm-dll.h"
+
+#include "platform/platform.h"
+
+#include "unityhook/hook.h"
+
+#include "util/dprintf.h"
+
+static HMODULE cm_hook_mod;
+static process_entry_t cm_startup;
+static struct cm_hook_config cm_hook_cfg;
+
+static DWORD CALLBACK cm_pre_startup(void)
+{
+    HRESULT hr;
+
+    dprintf("--- Begin cm_pre_startup ---\n");
+
+    /* Load config */
+
+    cm_hook_config_load(&cm_hook_cfg, L".\\segatools.ini");
+
+    /* Hook Win32 APIs */
+
+    dvd_hook_init(&cm_hook_cfg.dvd, cm_hook_mod);
+    touch_screen_hook_init(&cm_hook_cfg.touch, cm_hook_mod);
+    serial_hook_init();
+
+    /* Initialize emulation hooks */
+
+    hr = platform_hook_init(
+            &cm_hook_cfg.platform,
+            "SDED",
+            "ACA1",
+            cm_hook_mod);
+
+    if (FAILED(hr)) {
+        goto fail;
+    }
+
+    hr = sg_reader_hook_init(&cm_hook_cfg.aime, 1, 1, cm_hook_mod);
+
+    if (FAILED(hr)) {
+        goto fail;
+    }
+
+    hr = vfd_hook_init(&cm_hook_cfg.vfd, 2);
+
+    if (FAILED(hr)) {
+        goto fail;
+    }
+
+    hr = cm_dll_init(&cm_hook_cfg.dll, cm_hook_mod);
+
+    if (FAILED(hr)) {
+        goto fail;
+    }
+
+    hr = cm_io4_hook_init(&cm_hook_cfg.io4);
+
+    if (FAILED(hr)) {
+        goto fail;
+    }
+
+    /* Initialize Unity native plugin DLL hooks
+
+       There seems to be an issue with other DLL hooks if `LoadLibraryW` is
+       hooked earlier in the `cmhook` initialization. */
+
+    unity_hook_init(&cm_hook_cfg.unity, cm_hook_mod);
+
+    /* Initialize debug helpers */
+
+    spike_hook_init(L".\\segatools.ini");
+
+    dprintf("---  End  cm_pre_startup ---\n");
+
+    /* Jump to EXE start address */
+
+    return cm_startup();
+
+fail:
+    ExitProcess(EXIT_FAILURE);
+}
+
+BOOL WINAPI DllMain(HMODULE mod, DWORD cause, void *ctx)
+{
+    HRESULT hr;
+
+    if (cause != DLL_PROCESS_ATTACH) {
+        return TRUE;
+    }
+
+    cm_hook_mod = mod;
+
+    hr = process_hijack_startup(cm_pre_startup, &cm_startup);
+
+    if (!SUCCEEDED(hr)) {
+        dprintf("Failed to hijack process startup: %x\n", (int) hr);
+    }
+
+    return SUCCEEDED(hr);
+}

cmhook/io4.c

@@ -0,0 +1,69 @@
+#include <windows.h>
+
+#include <assert.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "board/io4.h"
+
+#include "cmhook/cm-dll.h"
+
+#include "util/dprintf.h"
+
+static HRESULT cm_io4_poll(void *ctx, struct io4_state *state);
+static uint16_t coins;
+
+static const struct io4_ops cm_io4_ops = {
+    .poll = cm_io4_poll,
+};
+
+HRESULT cm_io4_hook_init(const struct io4_config *cfg)
+{
+    HRESULT hr;
+
+    assert(cm_dll.init != NULL);
+
+    hr = io4_hook_init(cfg, &cm_io4_ops, NULL);
+
+    if (FAILED(hr)) {
+        return hr;
+    }
+
+    return cm_dll.init();
+}
+
+static HRESULT cm_io4_poll(void *ctx, struct io4_state *state)
+{
+    uint8_t opbtn;
+    HRESULT hr;
+
+    assert(cm_dll.poll != NULL);
+    assert(cm_dll.get_opbtns != NULL);
+
+    memset(state, 0, sizeof(*state));
+
+    hr = cm_dll.poll();
+
+    if (FAILED(hr)) {
+        return hr;
+    }
+
+    opbtn = 0;
+
+    cm_dll.get_opbtns(&opbtn);
+
+    if (opbtn & CM_IO_OPBTN_TEST) {
+        state->buttons[0] |= IO4_BUTTON_TEST;
+    }
+
+    if (opbtn & CM_IO_OPBTN_SERVICE) {
+        state->buttons[0] |= IO4_BUTTON_SERVICE;
+    }
+
+    if (opbtn & CM_IO_OPBTN_COIN) {
+        coins++;
+    }
+    state->chutes[0] = coins << 8;
+
+    return S_OK;
+}

cmhook/io4.h

@@ -0,0 +1,7 @@
+#pragma once
+
+#include <windows.h>
+
+#include "board/io4.h"
+
+HRESULT cm_io4_hook_init(const struct io4_config *cfg);

cmhook/meson.build

@@ -0,0 +1,31 @@
+shared_library(
+    'cmhook',
+    name_prefix : '',
+    include_directories : inc,
+    implicit_include_directories : false,
+    vs_module_defs : 'cmhook.def',
+    c_pch : '../precompiled.h',
+    dependencies : [
+        capnhook.get_variable('hook_dep'),
+        capnhook.get_variable('hooklib_dep'),
+        xinput_lib,
+    ],
+    link_with : [
+        aimeio_lib,
+        board_lib,
+        hooklib_lib,
+        cmio_lib,
+        platform_lib,
+        unityhook_lib,
+        util_lib,
+    ],
+    sources : [
+        'config.c',
+        'config.h',
+        'dllmain.c',
+        'io4.c',
+        'io4.h',
+        'cm-dll.c',
+        'cm-dll.h',
+    ],
+)

cmio/cmio.c

@@ -0,0 +1,54 @@
+#include <windows.h>
+#include <xinput.h>
+
+#include <limits.h>
+#include <stdint.h>
+
+#include "cmio/cmio.h"
+#include "cmio/config.h"
+
+static uint8_t cm_opbtn;
+static struct cm_io_config cm_io_cfg;
+static bool cm_io_coin;
+
+uint16_t cm_io_get_api_version(void)
+{
+    return 0x0100;
+}
+
+HRESULT cm_io_init(void)
+{
+    cm_io_config_load(&cm_io_cfg, L".\\segatools.ini");
+    return S_OK;
+}
+
+HRESULT cm_io_poll(void)
+{
+    cm_opbtn = 0;
+
+    if (GetAsyncKeyState(cm_io_cfg.vk_test) & 0x8000) {
+        cm_opbtn |= CM_IO_OPBTN_TEST;
+    }
+
+    if (GetAsyncKeyState(cm_io_cfg.vk_service) & 0x8000) {
+        cm_opbtn |= CM_IO_OPBTN_SERVICE;
+    }
+
+    if (GetAsyncKeyState(cm_io_cfg.vk_coin) & 0x8000) {
+        if (!cm_io_coin) {
+            cm_io_coin = true;
+            cm_opbtn |= CM_IO_OPBTN_COIN;
+        }
+    } else {
+        cm_io_coin = false;
+    }
+
+    return S_OK;
+}
+
+void cm_io_get_opbtns(uint8_t *opbtn)
+{
+    if (opbtn != NULL) {
+        *opbtn = cm_opbtn;
+    }
+}

cmio/cmio.h

@@ -0,0 +1,44 @@
+#pragma once
+
+#include <windows.h>
+
+#include <stdint.h>
+
+enum {
+    CM_IO_OPBTN_TEST = 0x01,
+    CM_IO_OPBTN_SERVICE = 0x02,
+    CM_IO_OPBTN_COIN = 0x04,
+};
+
+/* Get the version of the CardMaker IO API that this DLL supports. This
+   function should return a positive 16-bit integer, where the high byte is
+   the major version and the low byte is the minor version (as defined by the
+   Semantic Versioning standard).
+
+   The latest API version as of this writing is 0x0100. */
+
+uint16_t cm_io_get_api_version(void);
+
+/* Initialize the IO DLL. This is the second function that will be called on
+   your DLL, after cm_io_get_api_version.
+
+   All subsequent calls to this API may originate from arbitrary threads.
+
+   Minimum API version: 0x0100 */
+
+HRESULT cm_io_init(void);
+
+/* Send any queued outputs (of which there are currently none, though this may
+   change in subsequent API versions) and retrieve any new inputs.
+
+   Minimum API version: 0x0100 */
+
+HRESULT cm_io_poll(void);
+
+/* Get the state of the cabinet's operator buttons as of the last poll. See
+   cm_IO_OPBTN enum above: this contains bit mask definitions for button
+   states returned in *opbtn. All buttons are active-high.
+
+   Minimum API version: 0x0100 */
+
+void cm_io_get_opbtns(uint8_t *opbtn);

cmio/config.c

@@ -0,0 +1,22 @@
+#include <windows.h>
+
+#include <assert.h>
+#include <stddef.h>
+#include <stdio.h>
+
+#include "cmio/config.h"
+
+void cm_io_config_load(
+        struct cm_io_config *cfg,
+        const wchar_t *filename)
+{
+    wchar_t key[16];
+    int i;
+
+    assert(cfg != NULL);
+    assert(filename != NULL);
+
+    cfg->vk_test = GetPrivateProfileIntW(L"io4", L"test", VK_F1, filename);
+    cfg->vk_service = GetPrivateProfileIntW(L"io4", L"service", VK_F2, filename);
+    cfg->vk_coin = GetPrivateProfileIntW(L"io4", L"coin", VK_F3, filename);
+}

cmio/config.h

@@ -0,0 +1,16 @@
+#pragma once
+
+#include <stddef.h>
+#include <stdint.h>
+
+#include <stdbool.h>
+
+struct cm_io_config {
+    uint8_t vk_test;
+    uint8_t vk_service;
+    uint8_t vk_coin;
+};
+
+void cm_io_config_load(
+        struct cm_io_config *cfg,
+        const wchar_t *filename);

cmio/meson.build

@@ -0,0 +1,13 @@
+cmio_lib = static_library(
+    'cmio',
+    name_prefix : '',
+    include_directories : inc,
+    implicit_include_directories : false,
+    c_pch : '../precompiled.h',
+    sources : [
+        'cmio.c',
+        'cmio.h',
+        'config.c',
+        'config.h',
+    ],
+)

cxbhook/config.c

@@ -23,22 +23,32 @@ void cxb_dll_config_load(
         struct cxb_dll_config *cfg,
         const wchar_t *filename)
 {
+    assert(cfg != NULL);
+    assert(filename != NULL);
 
+    GetPrivateProfileStringW(
+            L"cxbio",
+            L"path",
+            L"",
+            cfg->path,
+            _countof(cfg->path),
+            filename);
 }
 
 void revio_config_load(struct revio_config *cfg, const wchar_t *filename)
 {
+    assert(cfg != NULL);
+    assert(filename != NULL);
 
-}
-
-void network_config_load(struct network_config *cfg, const wchar_t *filename)
-{
-
+    cfg->enable = GetPrivateProfileIntW(L"revio", L"enable", 1, filename);
 }
 
 void led_config_load(struct led_config *cfg, const wchar_t *filename)
 {
+    assert(cfg != NULL);
+    assert(filename != NULL);
 
+    cfg->enable = GetPrivateProfileIntW(L"led", L"enable", 1, filename);
 }
 
 void cxb_hook_config_load(
@@ -56,6 +66,5 @@ void cxb_hook_config_load(
     gfx_config_load(&cfg->gfx, filename);
     cxb_dll_config_load(&cfg->dll, filename);
     revio_config_load(&cfg->revio, filename);
-    network_config_load(&cfg->network, filename);
     led_config_load(&cfg->led, filename);
 }

cxbhook/config.h

@@ -10,7 +10,6 @@
 #include "cxbhook/cxb-dll.h"
 #include "cxbhook/revio.h"
 #include "cxbhook/led.h"
-#include "cxbhook/network.h"
 
 #include "gfxhook/gfx.h"
 
@@ -23,7 +22,6 @@ struct cxb_hook_config {
     struct gfx_config gfx;
     struct cxb_dll_config dll;
     struct revio_config revio;
-    struct network_config network;
     struct led_config led;
 };
 
@@ -32,7 +30,6 @@ void cxb_dll_config_load(
         const wchar_t *filename);
 
 void revio_config_load(struct revio_config *cfg, const wchar_t *filename);
-void network_config_load(struct network_config *cfg, const wchar_t *filename);
 void led_config_load(struct led_config *cfg, const wchar_t *filename);
 
 void cxb_hook_config_load(

cxbhook/dllmain.c

@@ -9,7 +9,6 @@
 #include "cxbhook/config.h"
 #include "cxbhook/revio.h"
 #include "cxbhook/led.h"
-#include "cxbhook/network.h"
 
 #include "cxbio/cxbio.h"
 
@@ -91,7 +90,7 @@ static DWORD CALLBACK cxb_pre_startup(void)
         goto fail;
     }
 
-    hr = sg_reader_hook_init(&cxb_hook_cfg.aime, 12, cxb_hook_mod);
+    hr = sg_reader_hook_init(&cxb_hook_cfg.aime, 12, 1, cxb_hook_mod);
 
     if (FAILED(hr)) {
         goto fail;
@@ -103,12 +102,6 @@ static DWORD CALLBACK cxb_pre_startup(void)
         goto fail;
     }
 
-    hr = network_hook_init(&cxb_hook_cfg.network);
-
-    if (FAILED(hr)) {
-        goto fail;
-    }
-
     hr = led_hook_init(&cxb_hook_cfg.led);
 
     if (FAILED(hr)) {

cxbhook/led.c

@@ -5,7 +5,7 @@
 #include "cxbhook/led.h"
 #include "cxbhook/cxb-dll.h"
 
-#include "hooklib/procaddr.h"
+#include "hook/procaddr.h"
 
 #include "hook/table.h"
 
@@ -49,8 +49,14 @@ static struct hook_symbol lamp_syms[] = {
 
 HRESULT led_hook_init(struct led_config *cfg)
 {
-    dprintf("LED: Init\n");
-    return proc_addr_table_push("CommLamp.dll", lamp_syms, _countof(lamp_syms));
+    assert(cfg != NULL);
+
+    if (!cfg->enable) {
+        return S_FALSE;
+    }
+    
+    dprintf("LED: Hook enabled.\n");
+    return proc_addr_table_push(NULL, "CommLamp.dll", lamp_syms, _countof(lamp_syms));
 }
 
 static int my_cCommLamp_Open(char *port)

cxbhook/meson.build

@@ -30,7 +30,5 @@ shared_library(
         'revio.h',
         'led.c',
         'led.h',
-        'network.c',
-        'network.h',
     ],
 )

cxbhook/network.c

@@ -1,13 +0,0 @@
-#include <windows.h>
-#include <stdbool.h>
-#include <stdint.h>
-
-#include "cxbhook/network.h"
-
-#include "util/dprintf.h"
-
-HRESULT network_hook_init(struct network_config *cfg)
-{
-    dprintf("Network: Init\n");
-    return S_OK;
-}