Re: Silly-question

[dempson@atlantis.actrix.gen.nz (David Empson)]

In article <3fv1e6$hd9@wraith.cs.uow.edu.au>,
David E A Wilson <david@wraith.cs.uow.edu.au> wrote:
> 
> Now if I can only work out how to read the 8th bit of the keyboard
> ROM I could make the arrow keys send a different code from their
> control key equivalents.

Two minor complications there:

1. The 8th data bit on the keyboard ROM is not connected to the data
bus (if the circuit diagram is correct, and I think it is).

2. The 8th data bit in the keyboard latch is the latched key flag, not
a bit from the keyboard ROM.


-- 
David Empson
dempson@actrix.gen.nz
Snail mail: P.O. Box 27-103, Wellington, New Zealand