segatools/chunihook/jvs.c

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#include <windows.h>
2018-11-23 19:37:42 +00:00
#include <assert.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include "board/io3.h"
#include "jvs/jvs-bus.h"
#include "nu/jvs.h"
#include "util/dprintf.h"
static void chunithm_jvs_read_switches(void *ctx, struct io3_switch_state *out);
static uint16_t chunithm_jvs_consume_coins(void *ctx, uint8_t slot_no);
static const struct io3_ops chunithm_jvs_io3_ops = {
.read_switches = chunithm_jvs_read_switches,
.consume_coins = chunithm_jvs_consume_coins,
};
static struct io3 chunithm_jvs_io3;
static size_t chunithm_jvs_rise_pos;
static bool chunithm_jvs_coin;
void chunithm_jvs_init(void)
{
io3_init(&chunithm_jvs_io3, NULL, &chunithm_jvs_io3_ops, NULL);
jvs_attach(&chunithm_jvs_io3.jvs);
}
static void chunithm_jvs_read_switches(void *ctx, struct io3_switch_state *out)
{
assert(out != NULL);
/* Update simulated raise/lower state */
if (GetAsyncKeyState(VK_SPACE)) {
if (chunithm_jvs_rise_pos < 6) {
chunithm_jvs_rise_pos++;
}
} else {
if (chunithm_jvs_rise_pos > 0) {
chunithm_jvs_rise_pos--;
}
}
/* Render the state. Every case falls through, this is intentional. */
out->p1 = 0;
out->p2 = 0;
switch (chunithm_jvs_rise_pos) {
case 0: out->p2 |= 0x0020;
case 1: out->p1 |= 0x0020;
case 2: out->p2 |= 0x0010;
case 3: out->p1 |= 0x0010;
case 4: out->p2 |= 0x0008;
case 5: out->p1 |= 0x0008;
}
/* Update test/service buttons */
if (GetAsyncKeyState('1')) {
out->system = 0x80;
} else {
out->system = 0;
}
if (GetAsyncKeyState('2')) {
out->p1 |= 0x4000;
}
}
static uint16_t chunithm_jvs_consume_coins(void *ctx, uint8_t slot_no)
{
if (slot_no > 0) {
return 0;
}
if (GetAsyncKeyState('3')) {
if (chunithm_jvs_coin) {
return 0;
} else {
dprintf("Chunithm JVS: Coin drop\n");
chunithm_jvs_coin = true;
return 1;
}
} else {
chunithm_jvs_coin = false;
return 0;
}
}