RIFLE

Published:2009/7/7 3:06:00 Author:May | From:SeekIC

Developed for use with General Instruments AY-3-8500-1 TV game chip to simulate target practice with rifle. Player aims at bright target spot moving randomly across TV screen.If gun is on target when trigger is pulled, phototransistor in barrel picks up light from target and generates pulse for producing sound effect of hit and incrementing player's score. PT-1 can be TIL64 or equivalent phototransistor, 4098 is dual mono, and 4011 is quad two-input NAND gate. Pulse outputs go to pins of game chip.Article gives all circuits but covers construction only in general terms.-S. Ciarcia, Hey, Look What My Daddy Built!, 73 Magazine, Oct. 1976, p 104-108.



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