segatools/cmhook/io4.c

70 lines
1.2 KiB
C

#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;
}