SameBoy/Core/sgb.h
2021-10-09 14:52:28 +03:00

76 lines
1.9 KiB
C

#ifndef sgb_h
#define sgb_h
#include "gb_struct_def.h"
#include <stdint.h>
#include <stdbool.h>
typedef struct GB_sgb_s GB_sgb_t;
typedef struct {
union {
uint8_t tiles[0x100 * 8 * 4];
uint8_t tiles_legacy[0x100 * 8 * 8]; /* High nibble not used; TODO: Remove when breaking save-state compatibility! */
};
union {
struct {
uint16_t map[32 * 32];
uint16_t palette[16 * 4];
};
uint16_t raw_data[0x440];
};
} 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];
/* Multiplayer (cont) */
GB_PADDING(bool, mlt_lock);
bool v14_3; // True on save states created on 0.14.3 or newer; Remove when breaking save state compatibility!
};
void GB_sgb_write(GB_gameboy_t *gb, uint8_t value);
void GB_sgb_render(GB_gameboy_t *gb);
void GB_sgb_load_default_data(GB_gameboy_t *gb);
#endif
#endif