segatools/divahook/jvs.c

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C
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#include <windows.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include "amex/jvs.h"
#include "board/io3.h"
#include "jvs/jvs-bus.h"
#include "util/dprintf.h"
static void diva_jvs_read_switches(void *ctx, struct io3_switch_state *out);
static uint16_t diva_jvs_read_coin_counter(void *ctx, uint8_t slot_no);
static const struct io3_ops diva_jvs_io3_ops = {
.read_switches = diva_jvs_read_switches,
.read_coin_counter = diva_jvs_read_coin_counter,
};
static struct io3 diva_jvs_io3;
static bool diva_jvs_coin;
static uint16_t diva_jvs_coins;
void diva_jvs_init(void)
{
io3_init(&diva_jvs_io3, NULL, &diva_jvs_io3_ops, NULL);
jvs_attach(&diva_jvs_io3.jvs);
}
static void diva_jvs_read_switches(void *ctx, struct io3_switch_state *out)
{
assert(out != NULL);
/* Update gameplay buttons (P2 JVS input is not even polled) */
if (GetAsyncKeyState('S')) {
out->p1 |= 1 << 9;
}
if (GetAsyncKeyState('F')) {
out->p1 |= 1 << 8;
}
if (GetAsyncKeyState('J')) {
out->p1 |= 1 << 7;
}
if (GetAsyncKeyState('L')) {
out->p1 |= 1 << 6;
}
/* Update start button */
if (GetAsyncKeyState(VK_SPACE)) {
out->p1 |= 1 << 15;
}
/* Update test/service buttons */
if (GetAsyncKeyState('1')) {
out->system = 0x80;
} else {
out->system = 0;
}
if (GetAsyncKeyState('2')) {
out->p1 |= 0x4000;
}
}
static uint16_t diva_jvs_read_coin_counter(void *ctx, uint8_t slot_no)
{
if (slot_no > 0) {
return 0;
}
if (GetAsyncKeyState('3')) {
if (!diva_jvs_coin) {
dprintf("Diva JVS: Coin drop\n");
diva_jvs_coin = true;
diva_jvs_coins++;
}
} else {
diva_jvs_coin = false;
}
return diva_jvs_coins;
}