I have one of my oldest code with me all the time: 10 PRINT "KEYFRAME" 20 GOTO 10 also, on c64 i always made sure to do this first, just to make sure it l

I have one of my oldest code with me all the time: 10 PRINT "KEYFRAME" 20 GOTO 10 also, on c64 i always made sure to do this first, just to make sure it looks like a terminal to a big machine (for unknown reasons): POKE 53280,0 : POKE 53281,0