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re: Apple ][+ shift key mod instructions

Subject: re: Apple ][+ shift key mod instructions
From: schmaus@bode.ee.ualberta.ca
Date: Tue, 20 Apr 1993 18:47:18 GMT
Expires: Fri, 30 Apr 1993 06:00:00 GMT
Followup-to: comp.sys.apple2
Keywords: ][+,shift key
Newsgroups: comp.sys.apple2
Organization: University of Alberta
References: <930419130853.320418@DOCKMASTER.NCSC.MIL>
Reply-to: schmaus@bode.ee.ualberta.ca
Sender: Roy Schmaus
Summary: ][+ Shift Key Mod

In article <930419130853.320418@DOCKMASTER.NCSC.MIL> Hamersley@DOCKMASTER.NCSC.MIL (Paul Hamersley) writes:

     Add a wire from the shift key to pin 4 of the game port,or to pin 1 of the
74LS121 just in front of the game port. ? PEEK(49121) to check operation,the number returned should be>128 with the shift key down and <128 with the shift
key up.

Roy Schmaus
Room 442 Civil/Electrical Engineering Bldg.
University of Alberta
Edmonton,Alberta
Canada T6G 2G7            email:schmaus@bode.ee.ualberta.ca

References:
- Apple ][+ shift key mod instructions
  - From: Hamersley@DOCKMASTER.NCSC.MIL (Paul Hamersley)

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