#include <allegro.h>

int main(){

    allegro_init();
    install_keyboard();
    set_color_depth(32);
    set_gfx_mode(GFX_AUTODETECT_WINDOWED,256,256,0,0);
    for(int column = 0;column < 255;column++){
     for(int row = 0;row < 255;row++){
      putpixel(screen,column,row,makecol(column,row,128));
      }
      }
      readkey();
    return 0;
}
    END_OF_MAIN()