segatools/divahook/jvs.c

110 lines
2.1 KiB
C

#include <windows.h>
#include <assert.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include "amex/jvs.h"
#include "board/io3.h"
#include "divahook/diva-dll.h"
#include "jvs/jvs-bus.h"
#include "util/dprintf.h"
static void diva_jvs_read_switches(void *ctx, struct io3_switch_state *out);
static void diva_jvs_read_coin_counter(
void *ctx,
uint8_t slot_no,
uint16_t *out);
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;
HRESULT diva_jvs_init(struct jvs_node **out)
{
HRESULT hr;
assert(out != NULL);
assert(diva_dll.jvs_init != NULL);
dprintf("JVS I/O: Starting Diva backend DLL\n");
hr = diva_dll.jvs_init();
if (FAILED(hr)) {
dprintf("JVS I/O: Backend error, I/O disconnected: %x\n", (int) hr);
return hr;
}
io3_init(&diva_jvs_io3, NULL, &diva_jvs_io3_ops, NULL);
*out = io3_to_jvs_node(&diva_jvs_io3);
return S_OK;
}
static void diva_jvs_read_switches(void *ctx, struct io3_switch_state *out)
{
uint8_t opbtn;
uint8_t gamebtn;
assert(out != NULL);
assert(diva_dll.jvs_poll != NULL);
opbtn = 0;
gamebtn = 0;
diva_dll.jvs_poll(&opbtn, &gamebtn);
if (gamebtn & DIVA_IO_GAMEBTN_CIRCLE) {
out->p1 |= 1 << 6;
}
if (gamebtn & DIVA_IO_GAMEBTN_CROSS) {
out->p1 |= 1 << 7;
}
if (gamebtn & DIVA_IO_GAMEBTN_SQUARE) {
out->p1 |= 1 << 8;
}
if (gamebtn & DIVA_IO_GAMEBTN_TRIANGLE) {
out->p1 |= 1 << 9;
}
if (gamebtn & DIVA_IO_GAMEBTN_START) {
out->p1 |= 1 << 15;
}
if (opbtn & DIVA_IO_OPBTN_TEST) {
out->system = 0x80;
} else {
out->system = 0;
}
if (opbtn & DIVA_IO_OPBTN_SERVICE) {
out->p1 |= 1 << 14;
}
}
static void diva_jvs_read_coin_counter(
void *ctx,
uint8_t slot_no,
uint16_t *out)
{
assert(diva_dll.jvs_read_coin_counter != NULL);
if (slot_no > 0) {
return;
}
diva_dll.jvs_read_coin_counter(out);
}