   oam = malloc(160);
   hram = malloc(127);
 
-  // memset(vram, 0, 0x2000);
-  // memset(wram, 0, 0x2000);
-  // memset(oam, 0, 160);
-  // memset(hram, 0, 127);
+  memset(vram, 0, 0x2000);
+  memset(wram, 0, 0x2000);
+  memset(oam, 0, 160);
+  memset(hram, 0, 127);
 }
 
 def cpu_fini() {


  // I/O Ports

  // if address == 0xFF00 {
  //   return joy_read(address);
  // }

  if (address & 0xF0) >= 0x40 and (address & 0xF0) <= 0x70 {
    // GPU Register

      } else {
        gpu_line += 1;
      }
    } else if gpu_line == 153 and gpu_mode_clock >= 4 {
      gpu_line = 0;
    }
  }
