@0


@1
 MOV UP DOWN

@2
   MOV UP ACC
G: SUB 1
   MOV ACC DOWN
   JGZ G

@3


@4
 MOV UP ACC
 MOV ACC DOWN
 JRO RIGHT

@5
S: MOV UP ACC
   MOV 999 DOWN
   JGZ G
   MOV -999 LEFT
   JMP S
G: MOV DOWN ACC
L: MOV -1 LEFT
   SUB 1
   JGZ L

@6
 MOV UP RIGHT

@7
   MOV -999 ACC
L: ADD ANY
   JLZ L
   MOV ACC,ANY

@8