20 Sep
1999
20 Sep
'99
10:50 a.m.
<Now I could access all hardware, but even within almost a year,
<I couldn't discover the processor beneth - well, it was just
<a complete hidden and 'non standard' design. Eventualy Sharp
<published an assemb manual.
I think the cpu was NEC 7806, 6k rom 128bytes ram plus external bus
and IO. The chip is z80 registers but NOT z80 compatable instruction
set. It's bigger brother is the 78pg11 and friends.
Allison