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#include <SDL/SDL.h>
#ifdef __EMSCRIPTEN__
#include <emscripten.h>
#endif
int main(int argc, char **argv) {
SDL_Init(SDL_INIT_VIDEO);
SDL_Surface *screen = SDL_SetVideoMode(40, 40, 32, SDL_SWSURFACE);
SDL_FillRect(screen, NULL, SDL_MapRGBA(screen->format, 0xff, 0, 0, 0xff));
SDL_LockSurface(screen);
*((int*)screen->pixels + 95) = 0;
SDL_UnlockSurface(screen);
SDL_FillRect(screen, NULL, SDL_MapRGBA(screen->format, 0, 0xff, 0, 0xff)); // wipe out previous pixel and fill
SDL_LockSurface(screen);
*((int*)screen->pixels + 205) = 0;
SDL_UnlockSurface(screen);
SDL_Flip(screen);
while(1) { SDL_WaitEvent(NULL); }
return 0;
}
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