[Coco] 16/32 bit 6809 derivative

[Kip Koon]

Hi Joel,
You took the thoughts right out of my mind!  I have been wanting something like that for years!  Would you be that guy who created the next generation of 6809 MPUs?  


Kip Koon
computerdoc at sc.rr.com
http://www.cocopedia.com/wiki/index.php/User:Computerdoc

-----Original Message-----
From: Coco [mailto:coco-bounces at maltedmedia.com] On Behalf Of Joel Rees
Sent: Friday, September 22, 2017 11:54 PM
To: CoCoList for Color Computer Enthusiasts
Subject: [Coco] 16/32 bit 6809 derivative

A number of people are designing MMUs for their softcore Cocos.

I'm wondering if I'm the only one who thinks about designing a CPU that implements the 6809 instruction set in 16-bit accumulators and 32-bit index registers, with a 16-bit instruction set accessed by pre-bytes.

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