int main(int argc, char** argv) {
int opt;
//int verbose_flag = 0;
char *bios_path = NULL;
char *rom_path = NULL;
Uint32 start_time, time, frame;
uint32_t delta, elapsed;
pause_emu = 0;
scale = 2;
while ((opt = getopt(argc, argv, "vdb:")) != -1) {
switch (opt) {
case 'b':
bios_path = optarg;
break;
case 'v':
//verbose_flag = 1;
break;
case 'd':
debug_flag = 1;
debug_pause = 1;
break;
default:
usage(argv[0]);
}
}
if (optind == argc) {
usage(argv[0]);
}
rom_path = argv[optind];
dmg_init();
dmg_load_bios(bios_path);
dmg_load_rom(rom_path);
sdl_init(scale);
time = 0;
frame = 1;
start_time = SDL_GetTicks();
for (;;) {
delta = ((frame * 1000) / SCREEN_FPS) - time;
if ((elapsed = main_loop(delta)) == -1) {
break;
}
time += elapsed;
if (elapsed > 0) {
sdl_render(screen_get_fb());
}
// Sync to maximum fps
if (SDL_GetTicks() - start_time < time) {
SDL_Delay(time - (SDL_GetTicks() - start_time));
} else {
time = 0;
frame = 1;
start_time = SDL_GetTicks();
}
frame++;
// When Uint32 overflows, restart. This is unlikely to happen:
// Uint32 will overflow after 828 days at 60 fps
if (frame == 0) {
start_time = SDL_GetTicks();
}
}
sdl_stop();
return 0;
}
int main(int argc, char *argv[])
{
// Setup SDL
if(SDL_setup() != 0)
return -1;
// Command line arguments
char *ram_file = 0;
char binary = 0;
char little_endian = 0;
char debug_mode = 0;
char enable_profiling = 0;
// Parse the arguments
for(int c = 1; c < argc; c++) {
if(strcmp(argv[c], "-d") == 0) {
debug_mode = 1;
} else if(strcmp(argv[c], "-bl") == 0) {
binary = 1;
little_endian = 1;
} else if(strcmp(argv[c], "-bb") == 0) {
binary = 1;
little_endian = 0;
} else if(strcmp(argv[c], "-p") == 0) {
enable_profiling = 1;
} else {
ram_file = argv[c];
}
}
// Make sure the user specified a RAM file
if(ram_file) {
// Prepare the emulator
if(emulator_setup(ram_file, binary, little_endian, enable_profiling) != 0)
return -1;
} else {
PRINTF("No RAM file specified.\n");
return 0;
}
// Setup hardware
hardware_setup();
// Start the emulator thread
pthread_create(&emulator_thread, 0, (void *) &emulator_thread_func, (void *) &debug_mode);
// SDL event loop
while(running) {
sdl_handle_events();
sdl_render();
}
// Wait for the emulator thread to finish
running = 0;
pthread_join(emulator_thread, 0);
// Cleanup
hardware_release();
// Quit SDL
SDL_Quit();
return 0;
}
