mirror of https://github.com/bsnes-emu/bsnes.git
62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
#ifndef sgb_h
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#define sgb_h
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#include "gb_struct_def.h"
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#include <stdint.h>
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#include <stdbool.h>
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typedef struct GB_sgb_s GB_sgb_t;
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#ifdef GB_INTERNAL
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struct GB_sgb_s {
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uint8_t command[16 * 7];
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uint16_t command_write_index;
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bool ready_for_pulse;
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bool ready_for_write;
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bool ready_for_stop;
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bool disable_commands;
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/* Screen buffer */
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uint8_t screen_buffer[160 * 144]; // Live image from the Game Boy
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uint8_t effective_screen_buffer[160 * 144]; // Image actually rendered to the screen
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/* Multiplayer Input */
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uint8_t player_count, current_player;
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/* Mask */
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uint8_t mask_mode;
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/* Data Transfer */
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uint8_t vram_transfer_countdown, transfer_dest;
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/* Border */
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struct {
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uint8_t tiles[0x100 * 8 * 8]; /* High nibble not used*/
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union {
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struct {
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uint16_t map[32 * 32];
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uint16_t palette[16 * 4];
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};
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uint16_t raw_data[0x440];
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};
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} border, pending_border;
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uint8_t border_animation;
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/* Colorization */
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uint16_t effective_palettes[4 * 4];
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uint16_t ram_palettes[4 * 512];
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uint8_t attribute_map[20 * 18];
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uint8_t attribute_files[0xFE0];
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/* Intro */
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int16_t intro_animation;
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};
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void GB_sgb_write(GB_gameboy_t *gb, uint8_t value);
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void GB_sgb_render(GB_gameboy_t *gb);
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void GB_sgb_load_default_data(GB_gameboy_t *gb);
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bool GB_sgb_render_jingle(GB_gameboy_t *gb, GB_sample_t *dest, size_t count);
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#endif
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#endif
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