segatools/kemonohook/jvs.c

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2024-09-11 11:31:23 +00:00
#include <windows.h>
#include <assert.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include "amex/jvs.h"
#include "board/io3.h"
#include "kemonohook/kemono-dll.h"
#include "jvs/jvs-bus.h"
#include "util/dprintf.h"
struct kemono_jvs_ir_mask {
uint16_t p1;
uint16_t p2;
};
static void kemono_jvs_read_switches(void *ctx, struct io3_switch_state *out);
static void kemono_jvs_read_coin_counter(
void *ctx,
uint8_t slot_no,
uint16_t *out);
static const struct io3_ops kemono_jvs_io3_ops = {
.read_switches = kemono_jvs_read_switches,
.read_coin_counter = kemono_jvs_read_coin_counter,
};
static struct io3 kemono_jvs_io3;
HRESULT kemono_jvs_init(struct jvs_node **out)
{
HRESULT hr;
assert(out != NULL);
assert(kemono_dll.init != NULL);
dprintf("JVS I/O: Starting IO backend\n");
hr = kemono_dll.init();
if (FAILED(hr)) {
dprintf("JVS I/O: Backend error, I/O disconnected: %x\n", (int) hr);
return hr;
}
io3_init(&kemono_jvs_io3, NULL, &kemono_jvs_io3_ops, NULL);
*out = io3_to_jvs_node(&kemono_jvs_io3);
return S_OK;
}
static void kemono_jvs_read_switches(void *ctx, struct io3_switch_state *out)
{
const struct kemono_jvs_ir_mask *masks;
uint16_t opbtn;
uint16_t pbtn;
size_t i;
assert(out != NULL);
assert(kemono_dll.poll != NULL);
opbtn = 0;
pbtn = 0;
kemono_dll.poll(&opbtn, &pbtn);
out->system = 0x00;
out->p1 = 0x0000;
out->p2 = 0x0000;
if (opbtn & KEMONO_IO_OPBTN_TEST) {
out->system |= 1 << 7;
}
if (opbtn & KEMONO_IO_OPBTN_SERVICE) {
out->p1 |= 1 << 14;
}
if (pbtn & KEMONO_IO_GAMEBTN_UP) {
out->p1 |= 1 << 13;
}
if (pbtn & KEMONO_IO_GAMEBTN_DOWN) {
out->p1 |= 1 << 12;
}
if (pbtn & KEMONO_IO_GAMEBTN_LEFT) {
out->p1 |= 1 << 11;
}
if (pbtn & KEMONO_IO_GAMEBTN_RIGHT) {
out->p1 |= 1 << 10;
}
if (pbtn & KEMONO_IO_GAMEBTN_R) {
out->p1 |= 1 << 9;
}
if (pbtn & KEMONO_IO_GAMEBTN_G) {
out->p1 |= 1 << 7;
}
if (pbtn & KEMONO_IO_GAMEBTN_B) {
out->p1 |= 1 << 8;
}
if (pbtn & KEMONO_IO_GAMEBTN_START) {
out->p1 |= 1 << 15;
}
}
static void kemono_jvs_read_coin_counter(
void *ctx,
uint8_t slot_no,
uint16_t *out)
{
assert(out != NULL);
assert(kemono_dll.jvs_read_coin_counter != NULL);
if (slot_no > 0) {
return;
}
kemono_dll.jvs_read_coin_counter(out);
}