Hi!

Edwin Blink wrote:

> For the interfacing part Im thinking to use a PIC with 4 (4x4 bit
> dual acces RAM to make it emulate the matrix).
Like 74LS670? 4*4*4 is 64 while SAM have 69 keys. 

What do you want to do with Spectrum programs that test keyboard
with 0 in high byte?

--
Yarek.

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