| From: DeadTED (all posts)
Date: 1999-01-20
Subject: 6529B
|
HI all
After some recent experimentation while developing a model railway control circuit for my plus/4 I found myself unable to PEEK the User Port, i.e. I cannot read any input from my circuit.
Normally I would do this
10 print peek(64784)
20 goto 10
and then according to the voltage (0V or 5V) fed to the input pins on the user port I would get a corresponding decimal value (0-255). Now all I get is 255.
So, any suggestions as to how this can be fixed ??????
I really miss experimenting with my Plus/4.
PS : Poke-ing still works i.e. I can still send the output pins on the user port high and low
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