110 REM TIMER PROGRAM›120 PRINT "TURN ON FLASHLIGHT AND ADJUST THE"›130 PRINT "POTENTIOMETER TILL THE MESSAGE JUST"›140 PRINT "CHANGES FROM OFF TO ON›150 PRINT "PRESS X TO CONTINUE"›155 FOR J=1 TO 2500:NEXT J›170 IF STICK(0)=15 THEN PRINT "OFF"›175 IF STICK(0)=14 THEN PRINT "ONÓ›180 REM CHECK IF X KEY PRESSED›190 IF PEEK(764)=22 THEN 215›210 GOTO 170›212 REM CLEAR OUT PREVIOUS KEYSTROKE›215 POKE 764,255›220 PRINT "BREAK BEAM TO START TIMER"›230 IF STICK(0)=14 THEN 230›240 POKE 18,0:POKE 19,0:POKE 20,0›250 IF STICK(0)=15 THEN 250›260 IF STICK(0)=14 THEN 260›270 PRINT "TIME IS ";((PEEK(18)*255*255)+(PEEK(19)*255)+(PEEK(20)))/60;"SECONDS"›