104 lines
2.4 KiB
C
Executable File
104 lines
2.4 KiB
C
Executable File
#include <stdio.h>
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#include <stdbool.h>
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#include <unistd.h>
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#include <assert.h>
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#include <ctype.h>
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#include <Core/gb.h>
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#include "get_image_for_rom.h"
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#define LENGTH 60 * 10
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struct local_data {
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unsigned long frames;
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bool running;
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};
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static char *async_input_callback(GB_gameboy_t *gb)
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{
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return NULL;
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}
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static void log_callback(GB_gameboy_t *gb, const char *string, GB_log_attributes attributes)
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{
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}
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static void vblank(GB_gameboy_t *gb)
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{
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struct local_data *local_data = (struct local_data *)GB_get_user_data(gb);
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if (local_data->frames == LENGTH) {
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local_data->running = false;
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}
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else if (local_data->frames == LENGTH - 1) {
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GB_set_rendering_disabled(gb, false);
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}
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local_data->frames++;
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}
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static uint32_t rgb_encode(GB_gameboy_t *gb, uint8_t r, uint8_t g, uint8_t b)
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{
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return (b << 16) | (g << 8) | (r) | 0xFF000000;
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}
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int get_image_for_rom(const char *filename, const char *boot_path, uint32_t *output, uint8_t *cgb_flag)
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{
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GB_gameboy_t gb;
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GB_init(&gb, GB_MODEL_CGB_E);
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if (GB_load_boot_rom(&gb, boot_path)) {
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GB_free(&gb);
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return 1;
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}
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GB_set_vblank_callback(&gb, (GB_vblank_callback_t) vblank);
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GB_set_pixels_output(&gb, output);
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GB_set_rgb_encode_callback(&gb, rgb_encode);
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GB_set_async_input_callback(&gb, async_input_callback);
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GB_set_log_callback(&gb, log_callback);
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GB_set_color_correction_mode(&gb, GB_COLOR_CORRECTION_EMULATE_HARDWARE);
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size_t length = strlen(filename);
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char extension[4] = {0,};
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if (length > 4) {
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if (filename[length - 4] == '.') {
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extension[0] = tolower(filename[length - 3]);
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extension[1] = tolower(filename[length - 2]);
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extension[2] = tolower(filename[length - 1]);
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}
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}
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if (strcmp(extension, "isx") == 0) {
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if (GB_load_isx(&gb, filename)) {
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GB_free(&gb);
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return 1;
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}
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}
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else if (GB_load_rom(&gb, filename)) {
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GB_free(&gb);
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return 1;
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}
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/* Run emulation */
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struct local_data local_data = {0,};
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GB_set_user_data(&gb, &local_data);
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local_data.running = true;
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local_data.frames = 0;
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GB_set_rendering_disabled(&gb, true);
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GB_set_turbo_mode(&gb, true, true);
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*cgb_flag = GB_read_memory(&gb, 0x143) & 0xC0;
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while (local_data.running) {
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GB_run(&gb);
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}
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GB_free(&gb);
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return 0;
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}
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