n64_pak_controller.h

 
#pragma once
 
#include <stdbool.h>
#include <stdint.h>
 
#include <joybus/bus.h>
#include <joybus/target/n64_pak.h>
 
struct joybus_target_n64_pak_controller;

#define JOYBUS_TARGET_N64_PAK_CONTROLLER(pak) ((struct joybus_target_n64_pak_controller *)(pak))

typedef int (*joybus_target_n64_pak_controller_read_cb)(struct joybus_target_n64_pak_controller *pak, uint8_t bank,
                                                        uint16_t addr, uint8_t buf[JOYBUS_N64_PAK_BLOCK_SIZE]);

typedef int (*joybus_target_n64_pak_controller_write_cb)(struct joybus_target_n64_pak_controller *pak, uint8_t bank,
                                                         uint16_t addr, const uint8_t buf[JOYBUS_N64_PAK_BLOCK_SIZE]);

typedef void (*joybus_target_n64_pak_controller_select_cb)(struct joybus_target_n64_pak_controller *pak, uint8_t bank);

typedef void (*joybus_target_n64_pak_controller_written_cb)(struct joybus_target_n64_pak_controller *pak, uint8_t bank,
                                                            uint16_t addr);

struct joybus_target_n64_pak_controller {
  struct joybus_target_n64_pak base;

  joybus_target_n64_pak_controller_read_cb read;

  joybus_target_n64_pak_controller_write_cb write;

  void *user_data;

  joybus_target_n64_pak_controller_select_cb on_select;

  joybus_target_n64_pak_controller_written_cb on_written;

  uint8_t banks;

  uint8_t selected;
};

void joybus_target_n64_pak_controller_init(struct joybus_target_n64_pak_controller *pak, uint8_t banks);

void joybus_target_n64_pak_controller_set_storage(struct joybus_target_n64_pak_controller *pak,
                                                  joybus_target_n64_pak_controller_read_cb read,
                                                  joybus_target_n64_pak_controller_write_cb write, void *user_data);

void joybus_target_n64_pak_controller_set_memory(struct joybus_target_n64_pak_controller *pak, uint8_t *memory);

void joybus_target_n64_pak_controller_set_select_cb(struct joybus_target_n64_pak_controller *pak,
                                                    joybus_target_n64_pak_controller_select_cb callback);

void joybus_target_n64_pak_controller_set_written_cb(struct joybus_target_n64_pak_controller *pak,
                                                     joybus_target_n64_pak_controller_written_cb callback);