static void mainMenu_resumeEv(Chip8* chip, SDL_Event *ev, int index)
{
if ((ev->type == SDL_KEYDOWN) && (ev->key.keysym.sym == SDLK_RETURN))
{
if (chip->status == CHIP8_PAUSED)
chip8_invokeEmulator(chip);
else
chip8_reset(chip);
}
}
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;
}
static void mainMenu_resetEv(Chip8* chip, SDL_Event *ev, int index)
{
if ((ev->type == SDL_KEYDOWN) && (ev->key.keysym.sym == SDLK_RETURN))
chip8_reset(chip);
}
