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Old 21st Mar 2021, 12:25 am   #183
Buzby123
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Join Date: Oct 2011
Location: Culcheth, Cheshire, UK.
Posts: 637
Default Re: I found it! A very sorry looking MK14.

I think I duplicated the required gate arrangement using new gates on the daughter board, not re-using chips on the main board. This would mean I didn't need to make the reset switch mod.

Looking at my notes the new memory map was :

0700 Extra RAM on daughter board
0600 Extra RAM on daughter board
0500 Extra RAM on daughter board
0400 Extra RAM on daughter board
0300 'OLD' ROM on daughter board
0200 'OLD' ROM on daughter board
0100 ROM on main board
0000 ROM on main board

( It looks like I made no changes from 0800 upwards, well, not intentionally !. )

Cheers,

Buzby
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