@0 @1 MOV UP ACC SWP # COLOR MOV UP ACC SWP # LENGTH LOOP: SWP # COLOR MOV ACC DOWN SWP # LENGTH SUB 1 JGZ LOOP @2 @3 # WIDTH = 30 # HEIGHT = 18 # X Y COLOR... -1 @4 @5 MOV 0 DOWN MOV ACC DOWN #ROW SWP # COLUMN MOV 30 ACC LOOP: MOV UP DOWN SUB 1 JGZ LOOP MOV -1 DOWN SWP # ROW ADD 1 @6 @7 @8 @9 MOV UP RIGHT @10 MOV LEFT DOWN @11