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segatools-hay1tsme/board/io3.h

38 lines
867 B
C

#pragma once
#include <stdint.h>
#include "jvs/jvs-bus.h"
struct io3_switch_state {
/* Note: this struct is host-endian. The IO3 emulator handles the conversion
to protocol-endian. */
uint8_t system;
uint16_t p1;
uint16_t p2;
};
struct io3_ops {
void (*reset)(void *ctx);
void (*write_gpio)(void *ctx, uint32_t state);
void (*read_switches)(void *ctx, struct io3_switch_state *out);
void (*read_analogs)(void *ctx, uint16_t *analogs, uint8_t nanalogs);
void (*read_coin_counter)(void *ctx, uint8_t slot_no, uint16_t *out);
};
struct io3 {
struct jvs_node jvs;
uint8_t addr;
const struct io3_ops *ops;
void *ops_ctx;
};
void io3_init(
struct io3 *io3,
struct jvs_node *next,
const struct io3_ops *ops,
void *ops_ctx);
struct jvs_node *io3_to_jvs_node(struct io3 *io3);