int main(int argc, char* argv[]) {
clock_t t;
clock_t delta = CLOCKS_PER_SEC / clock_rate;
/* accept a file name as an argument */
char *file = (char*)"roms/Pong [Paul Vervalin, 1990].ch8";
if (argc == 2)
file = argv[1];
/* initialise the emulator */
chip8_init();
/* load a rom into memory */
if(!chip8_load_rom(file))
goto done;
/* setup SDL and GL */
init();
/* main event loop */
t = clock();
do {
if (clock() > t){
chip8_cycle();
if (chip8_refresh_screen())
render();
input();
t += delta;
}
} while (!quit);
done:
close();
return 0;
}
int main(int argc, char *argv[])
{
/* Check usage */
if (argc != 2) {
printf("Usage: %s <rom_path>\n", argv[0]);
return 1;
}
/* Initialize video backend */
backend_video_init();
/* Initialize and run machine */
chip8_init(argv[1]);
chip8_run();
return 0;
}
int main() {
SDL_Init(SDL_INIT_VIDEO | SDL_INIT_TIMER);
video v;
input in;
chip8cpu c8cpu;
init_video(&v);
chip8_init(&c8cpu);
chip8_load_resources(&c8cpu, &v, &in);
load_program(&c8cpu);
for (;;) {
/*
parse_instruction(&c8cpu, 0x620A); // set r2 to 0A
parse_instruction(&c8cpu, 0x6308); // set r3 to 09
parse_instruction(&c8cpu, 0x8235); // subtract r3 from r2
parse_instruction(&c8cpu, 0xA003); // set I to 123
parse_instruction(&c8cpu, 0xF555); // move r4 to [I]
*/
if (check_for_exit(c8cpu.p_input))
break;
SDL_Flip(c8cpu.p_video->screen);
SDL_Delay(250);
break;
}
print_chip8_state(&c8cpu);
main_memory_dump(&c8cpu);
SDL_Quit();
return 0;
}
int main(int argc, char *argv[])
{
if (argc < 2) {
printf("Usage: ./CHIP-SDL rom\n");
return -1;
}
srand(time(NULL));
printf("Chip-SDL by xerpi\n");
printf("Loading \"%s\"...", argv[1]);
struct chip8_context chip8;
chip8_init(&chip8, 64, 32);
int ret = chip8_loadrom(&chip8, argv[1]);
if (ret) printf("OK!\n");
else {
printf("ERROR.\n");
chip8_fini(&chip8);
return -1;
}
printf("Running \"%s\"...\n", argv[1]);
SDL_Init(SDL_INIT_VIDEO);
SDL_Window *window = SDL_CreateWindow("Chip-SDL",
SDL_WINDOWPOS_CENTERED,
SDL_WINDOWPOS_CENTERED,
640,
320,
SDL_WINDOW_SHOWN);
SDL_Surface *screen = SDL_GetWindowSurface(window);
SDL_Surface *chip8_disp = CreateSurface(SDL_SWSURFACE, 64, 32, screen);
SDL_Event event;
int running = 1;
while (running) {
while (SDL_PollEvent(&event) != 0) {
switch (event.type) {
case SDL_QUIT:
running = 0;
break;
case SDL_KEYDOWN:
switch (event.key.keysym.sym) {
case SDLK_q:
running = 0;
break;
case SDLK_r:
chip8_reset(&chip8);
chip8_loadrom(&chip8, argv[1]);
break;
case SDLK_w:
chip8_key_press(&chip8, 1);
break;
case SDLK_s:
chip8_key_press(&chip8, 4);
break;
case SDLK_UP:
chip8_key_press(&chip8, 0xC);
break;
case SDLK_DOWN:
chip8_key_press(&chip8, 0xD);
break;
}
break;
case SDL_KEYUP:
switch (event.key.keysym.sym) {
case SDLK_q:
running = 0;
break;
case SDLK_w:
chip8_key_release(&chip8, 1);
break;
case SDLK_s:
chip8_key_release(&chip8, 4);
break;
case SDLK_UP:
chip8_key_release(&chip8, 0xC);
break;
case SDLK_DOWN:
chip8_key_release(&chip8, 0xD);
break;
}
break;
}
}
chip8_step(&chip8);
/*int x, y;
for (y = 0; y < 32; y++) {
for (x = 0; x < 8; x++) {
int i;
for (i = 0; i < 8; i++) {
printf("%c", (chip8.disp_mem[x+y*8]>>(7-i))&0b1 ? 'X' : 'O');
}
printf(" ");
}
printf("\n");
}
printf("\n\n");
*/
//chip8_core_dump(&chip8);
//usleep(16667);
chip8_disp_to_SDL(&chip8, chip8_disp);
SDL_BlitScaled(chip8_disp, NULL, screen, NULL);
SDL_UpdateWindowSurface(window);
}
chip8_fini(&chip8);
SDL_FreeSurface(chip8_disp);
SDL_DestroyWindow(window);
SDL_Quit();
return 0;
}