@0
MOV UP ACC
SUB 998
ADD 999
ADD 1
MOV ACC DOWN

@1


@2


@3


@4
MOV UP ACC
ADD ACC
SUB 1
MOV ACC DOWN

@5
MOV UP RIGHT

@6
LOOP: MOV LEFT ACC
 MOV ACC RIGHT
 JRO ACC
1: MOV 0,DOWN
   JMP LOOP
3: MOV 0,DOWN
   JMP LOOP
5+: MOV 1,DOWN

@7
LOOP: MOV LEFT ACC
 MOV ACC RIGHT
 JRO ACC
1: MOV 0,DOWN
   JMP LOOP
3: MOV 1,DOWN
   JMP LOOP
5+: MOV 0,DOWN

@8
LOOP: JRO LEFT
1: MOV 1,DOWN
   JMP LOOP
3+: MOV 0,DOWN