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#pragma once
#include "defs.h"
#include <stdint.h>
#include <stdbool.h>
typedef struct GB_sgb_s GB_sgb_t;
typedef struct {
uint8_t tiles[0x100 * 8 * 4];
#ifdef GB_INTERNAL
union {
struct {
uint16_t map[32 * 32];
uint16_t palette[16 * 4];
};
uint16_t raw_data[0x440];
};
#else
uint16_t raw_data[0x440];
#endif
} GB_sgb_border_t;
#ifdef GB_INTERNAL
#define GB_SGB_INTRO_ANIMATION_LENGTH 200
struct GB_sgb_s {
uint8_t command[16 * 7];
uint16_t command_write_index;
bool ready_for_pulse;
bool ready_for_write;
bool ready_for_stop;
bool disable_commands;
/* Screen buffer */
uint8_t screen_buffer[160 * 144]; // Live image from the Game Boy
uint8_t effective_screen_buffer[160 * 144]; // Image actually rendered to the screen
/* Multiplayer Input */
uint8_t player_count, current_player;
/* Mask */
uint8_t mask_mode;
/* Data Transfer */
uint8_t vram_transfer_countdown, transfer_dest;
/* Border */
GB_sgb_border_t border, pending_border;
uint8_t border_animation;
/* Colorization */
uint16_t effective_palettes[4 * 4];
uint16_t ram_palettes[4 * 512];
uint8_t attribute_map[20 * 18];
uint8_t attribute_files[0xFD2];
uint8_t attribute_files_padding[0xFE0 - 0xFD2];
/* Intro */
int16_t intro_animation;
/* GB Header */
uint8_t received_header[0x54];
};
internal void GB_sgb_write(GB_gameboy_t *gb, uint8_t value);
internal void GB_sgb_render(GB_gameboy_t *gb);
internal void GB_sgb_load_default_data(GB_gameboy_t *gb);
#endif
unsigned GB_get_player_count(GB_gameboy_t *gb);
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