mirror of
https://gitea.tendokyu.moe/Hay1tsme/segatools.git
synced 2024-12-12 00:11:03 +01:00
178 lines
3.4 KiB
C
178 lines
3.4 KiB
C
#include <windows.h>
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#include <assert.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include "amex/jvs.h"
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#include "board/io3.h"
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#include "idzhook/idz-dll.h"
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#include "idzhook/jvs.h"
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#include "jvs/jvs-bus.h"
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#include "util/dprintf.h"
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static void idz_jvs_read_analogs(
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void *ctx,
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uint16_t *analogs,
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uint8_t nanalogs);
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static void idz_jvs_read_switches(void *ctx, struct io3_switch_state *out);
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static void idz_jvs_read_coin_counter(
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void *ctx,
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uint8_t slot_no,
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uint16_t *out);
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static const struct io3_ops idz_jvs_io3_ops = {
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.read_switches = idz_jvs_read_switches,
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.read_analogs = idz_jvs_read_analogs,
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.read_coin_counter = idz_jvs_read_coin_counter,
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};
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static const uint16_t idz_jvs_gear_signals[] = {
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/* Neutral */
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0x0000,
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/* 1: Left|Up */
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0x2800,
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/* 2: Left|Down */
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0x1800,
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/* 3: Up */
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0x2000,
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/* 4: Down */
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0x1000,
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/* 5: Right|Up */
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0x2400,
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/* 6: Right|Down */
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0x1400,
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};
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static struct io3 idz_jvs_io3;
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HRESULT idz_jvs_init(struct jvs_node **out)
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{
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HRESULT hr;
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assert(out != NULL);
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assert(idz_dll.jvs_init != NULL);
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dprintf("JVS I/O: Starting Initial D Zero backend DLL\n");
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hr = idz_dll.jvs_init();
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if (FAILED(hr)) {
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dprintf("JVS I/O: Backend error, I/O disconnected; %x\n", (int) hr);
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return hr;
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}
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io3_init(&idz_jvs_io3, NULL, &idz_jvs_io3_ops, NULL);
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*out = io3_to_jvs_node(&idz_jvs_io3);
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return S_OK;
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}
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static void idz_jvs_read_switches(void *ctx, struct io3_switch_state *out)
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{
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uint8_t opbtn;
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uint8_t gamebtn;
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uint8_t gear;
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assert(out != NULL);
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assert(idz_dll.jvs_read_buttons != NULL);
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assert(idz_dll.jvs_read_shifter != NULL);
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opbtn = 0;
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gamebtn = 0;
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gear = 0;
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idz_dll.jvs_read_buttons(&opbtn, &gamebtn);
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idz_dll.jvs_read_shifter(&gear);
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/* Update gameplay buttons */
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if (gamebtn & IDZ_IO_GAMEBTN_UP) {
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out->p1 |= 1 << 13;
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}
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if (gamebtn & IDZ_IO_GAMEBTN_DOWN) {
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out->p1 |= 1 << 12;
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}
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if (gamebtn & IDZ_IO_GAMEBTN_LEFT) {
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out->p1 |= 1 << 11;
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}
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if (gamebtn & IDZ_IO_GAMEBTN_RIGHT) {
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out->p1 |= 1 << 10;
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}
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if (gamebtn & IDZ_IO_GAMEBTN_START) {
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out->p1 |= 1 << 15;
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}
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if (gamebtn & IDZ_IO_GAMEBTN_VIEW_CHANGE) {
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out->p1 |= 1 << 9;
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}
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/* Update simulated six-speed shifter */
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if (gear > 6) {
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gear = 6;
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}
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out->p2 = idz_jvs_gear_signals[gear];
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/* Update test/service buttons */
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if (opbtn & IDZ_IO_OPBTN_TEST) {
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out->system = 0x80;
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} else {
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out->system = 0;
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}
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if (opbtn & IDZ_IO_OPBTN_SERVICE) {
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out->p1 |= 1 << 14;
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}
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}
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static void idz_jvs_read_analogs(
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void *ctx,
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uint16_t *analogs,
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uint8_t nanalogs)
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{
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struct idz_io_analog_state state;
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assert(analogs != NULL);
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assert(idz_dll.jvs_read_analogs != NULL);
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memset(&state, 0, sizeof(state));
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idz_dll.jvs_read_analogs(&state);
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if (nanalogs > 0) {
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analogs[0] = 0x8000 + state.wheel;
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}
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if (nanalogs > 1) {
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analogs[1] = state.accel;
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}
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if (nanalogs > 2) {
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analogs[2] = state.brake;
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}
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}
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static void idz_jvs_read_coin_counter(
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void *ctx,
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uint8_t slot_no,
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uint16_t *out)
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{
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assert(idz_dll.jvs_read_coin_counter != NULL);
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if (slot_no > 0) {
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return;
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}
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idz_dll.jvs_read_coin_counter(out);
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}
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