segatools/mercuryhook/io4.c

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#include <windows.h>
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include "board/io4.h"
#include "mercuryhook/mercury-dll.h"
#include "util/dprintf.h"
static HRESULT mercury_io4_poll(void *ctx, struct io4_state *state);
static const struct io4_ops mercury_io4_ops = {
.poll = mercury_io4_poll,
};
HRESULT mercury_io4_hook_init(const struct io4_config *cfg)
{
HRESULT hr;
assert(mercury_dll.init != NULL);
hr = io4_hook_init(cfg, &mercury_io4_ops, NULL);
if (FAILED(hr)) {
return hr;
}
return mercury_dll.init();
}
static HRESULT mercury_io4_poll(void *ctx, struct io4_state *state)
{
uint8_t opbtn;
uint8_t gamebtn;
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HRESULT hr;
assert(mercury_dll.poll != NULL);
assert(mercury_dll.get_opbtns != NULL);
assert(mercury_dll.get_gamebtns != NULL);
memset(state, 0, sizeof(*state));
hr = mercury_dll.poll();
if (FAILED(hr)) {
return hr;
}
opbtn = 0;
gamebtn = 0;
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mercury_dll.get_opbtns(&opbtn);
mercury_dll.get_gamebtns(&gamebtn);
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if (opbtn & MERCURY_IO_OPBTN_TEST) {
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state->buttons[0] |= IO4_BUTTON_TEST;
}
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if (opbtn & MERCURY_IO_OPBTN_SERVICE) {
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state->buttons[0] |= IO4_BUTTON_SERVICE;
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}
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if (opbtn & MERCURY_IO_OPBTN_COIN) {
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state->chutes[0] += 256; // TODO: Test
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}
if (gamebtn & MERCURY_IO_GAMEBTN_VOL_UP) {
state->buttons[0] |= 1 << 1;
}
if (gamebtn & MERCURY_IO_GAMEBTN_VOL_DOWN) {
state->buttons[0] |= 1 << 0;
}
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return S_OK;
}