Re: 6809 emulator, anyone? [Slightly OT]

From: Richard Atkinson (
Date: 2000-06-05 11:54:33

On Mon, 5 Jun 2000, Martijn van Buul wrote:

> I've recently obtained an old Vectrex, which I want to program myself.
> The Vectrex used a 6809 in combination with a 6522 (And yes, that's
> about the complete digital assembly, save 1 KB RAM and an EPROM),
> and I'm quite unfamiliar with this processor. I do have the 
> programmers manual (which can be ordered from Motorola - They're shipping
> it for free), yet this thing is so different from the 6502 that I'd like
> to experiment with it a bit. However, I can't just put in a piece of
> code in memory, run it, and see what it has done, due to the way a
> Vectrex works[2]. The Vectrex community is sort of spoiled with game
> console collectors, so I don't expect much help there. Does anyone of
> you know a 6809 emulator somewhere? It doesn't have to be very fancy...

I did some 6809 work in my 3rd year engineering projects. I decided I
liked the processor so much I went out and bought some computers based on
them. Get a Tandy Radio Shack Color Computer, or a CoCo 2 or even a CoCo
3. They're great for playing around with the 6809, and you also get to
experiment with the 6847 VDG and 6882 SAM. The CoCo 3 has to be the best
128K version of any of the home computers out there.


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