Listing of file='SPULSE.MAC;02' on disk='vmedia/sound_light_pen-sector.ccvf'
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ; ; LIGHT-PEN START PULSE DETECTOR ; ENTRY SPULSE SPULSE: MVI A,14 OUT 48 IN 48 ANI 02 JNZ SPULSE CALL DELAY CALL DELAY MVI A,14 OUT 48 IN 48 ANI 02 JNZ SPULSE RET ENTRY DELAY DELAY: PUSH B MVI C,0FFH D2: XRA A DCR C JNZ D2 POP B RET END