add half-working CXB support

cxbio/cxbio.c

@@ -0,0 +1,78 @@
+#include <windows.h>
+
+#include <process.h>
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "cxbio/cxbio.h"
+#include "cxbio/config.h"
+
+#include "util/dprintf.h"
+
+static bool cxb_io_coin;
+static int cxb_io_coins;
+static struct cxb_io_config cxb_io_cfg;
+
+uint16_t cxb_io_get_api_version(void)
+{
+    return 0x0100;
+}
+
+HRESULT cxb_io_revio_init(void)
+{
+    dprintf("CXB IO: REVIO init\n");
+    cxb_io_config_load(&cxb_io_cfg, L".\\segatools.ini");
+
+    return S_OK;
+}
+
+void cxb_io_revio_poll(uint16_t *opbtn)
+{
+    if (GetAsyncKeyState(cxb_io_cfg.test)) {
+        *opbtn |= 0x01; /* Test */
+    }
+
+    if (GetAsyncKeyState(cxb_io_cfg.service)) {
+        *opbtn |= 0x02; /* Service */
+    }
+
+    if (GetAsyncKeyState(cxb_io_cfg.cancel)) {
+        *opbtn |= 0x04; /* Cancel */
+    }
+
+    if (GetAsyncKeyState(cxb_io_cfg.up)) {
+        *opbtn |= 0x08; /* Up */
+    }
+
+    if (GetAsyncKeyState(cxb_io_cfg.down)) {
+        *opbtn |= 0x10; /* Down */
+    }
+}
+
+void cxb_io_revio_get_coins(long *coins)
+{
+    if (GetAsyncKeyState(cxb_io_cfg.coin)) {
+        if (!cxb_io_coin) {
+            cxb_io_coin = true;
+            cxb_io_coins++;
+        }
+    } else {
+        cxb_io_coin = false;
+    }
+
+    *coins = cxb_io_coins;
+}
+
+void cxb_io_revio_set_coins(int coins)
+{
+    cxb_io_coins = coins;
+}
+
+HRESULT cxb_io_led_init(void)
+{
+    dprintf("CXB IO: LED init\n");
+    return S_OK;
+}
+
+void cxb_io_led_update(int id, int color)
+{}