63 SIMPLE TIMER
100 'F0 SIMPLE TIMER
105 CLS:CLT
110 LC2,2:?"SIMPLE TIMER"
120 GSB @INTERVAL
140 LED1:WAIT 100:LED0
150 END
160 '
300 @INTERVAL
320 FOR J=1 TO 2 :'interval
330 GSB @MINUTE
340 NEXT
350 RTN
360 '
400 @MINUTE
410 CLT
415 T=TICK()
417 LC15,12:?T," "
420 IF T>3599 RTN
440 GOTO 415
450 '