Thats really cool!

To bad, it doesnt work for NEC.
-- 
Kind regards / 
Mit freundlichen Grüßen

Pawel Radomychelski



-----Original Message-----
From: Stephen Adolph <[email protected]>
Reply-To: [email protected]
To: [email protected]
Subject: [M100] next project!
Date: 03/02/24 03:44:53

I have so many Model T around here-- too many!  One of the reasons is
for testing, but another reason is because I have different computers
for different use cases.

For example, I have an M100 set up for CP/M using an NSC800 CPU using
REXCPM, and of course I have a normal M100 with 80C85 CPU again with
REXCPM.

So, I've decided my next widget is going to be a dual CPU card for
M100, so I can have Z80-based CP/M and normal M100 in the same box!

Here is my proto board. It uses a great big CPLD to interface and
manage the switching between the two processors.  It also will support
dual clock rates because... why not.

I'll post updates as this progresses... Steve

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