next:
COPYFROM 9
COPYTO   0
COPYTO   1
INBOX
COPYTO   8

SUB      10
JUMPN    ones
ADD      10
SUB      11
JUMPN    tens

hundreds:
COPYFROM 8
SUB      11
JUMPN    out0
COPYTO   8
BUMPUP   0
JUMP     hundreds

out0:
COPYFROM 0
OUTBOX

tens:
COPYFROM 8
SUB      10
JUMPN    out1
COPYTO   8
BUMPUP   1
JUMP     tens

out1:
COPYFROM 1
OUTBOX

ones:
COPYFROM 8
OUTBOX
JUMP     next