On Wed, Apr 3, 2019 at 3:57 AM Steve Gray <sjgray@rogers.com> wrote: > > Sounds like bit 3 is being dropped when stored as a variable. That would suggest that you have a bad ram at the top end of user memory space. That could be possible, but the fault must still allow the RAM initialization and check to function properly, it the correct bytes free amount is printed at startup. RAM is initialized with $AA if I remember correctly, so bit 3 = 0 would be possible and not detected. If it's a 2001N with two banks, the problem is likely on bank1 Frank > > Steve > > > > On Apr 2, 2019, at 9:07 PM, David Laffineuse <davidlaffineuse@me.com> wrote: > > > > The keyboard seems to be working perfectly fine. > > For instance if I type on the key 'Y', the letter Y is displayed on the screen. However if I set a variable to Y, e.g. a$="Y" then I print a$, I get a Q on the screen... > > The same occurs with I which produces an A, H which produces @, Z which produces R, X which produces P, 8 that produces 0, and 9 that produces 1. All the other letters are fine. > > What is going on? > > David > >Received on 2019-04-03 10:00:04
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