Handbook
Glossary
coin-up ( cpu -- )
Vocabulary
roms
.
space-invaders
Inputs
cpu
an
object
Outputs
None
Definition
USING:
accessors
kernel
math
;
IN:
roms.space-invaders
:
coin-up
( cpu -- )
[
255 1
-
bitand
]
change-port1
drop
;