rem: for(i=0; i< SCREEN_WIDTH*SCREEN_HEIGHT*2; i++) {
add: for (i = 0; i < SCREEN_WIDTH * SCREEN_HEIGHT; i++)
context: void clearscreen(){	int i;	for(i=0; i< SCREEN_WIDTH*SCREEN_HEIGHT*2; i++) {		kScreenBase[i] = 0xf20;	}}