21 Mar
2011
21 Mar
'11
7:50 p.m.
On 3/21/11 10:40 PM, Mr Ian Primus wrote:
The reason the Profile needed a ROM
swap to do formatting is due to the limits of the code space in the
Z8. There isn't enough room for both the formatting routines and the
operational routines.
I'm guessing from the era that this was a 2KB or 4KB Z8. Is there a
possibility of replacing it with a piggybackable EPROM, but using one
size larger, burning both sets of firmware into it, and driving the
high-order address bit with a toggle switch?
-Dave
--
Dave McGuire
Port Charlotte, FL