6800 fig-FORTH?

Bill Gunshannon bill.gunshannon at hotmail.com
Tue Jun 26 06:25:28 CDT 2018



On 06/23/2018 07:39 PM, Eric Smith via cctalk wrote:
> On Sat, Jun 23, 2018 at 1:16 PM, Stephen Pereira via cctech <
> cctech at classiccmp.org> wrote:
>
>> Has anyone here ever seen or ever had fig-FORTH for the 6800 working?
>>
> In the mid-1980s I know someone with a WaveMate 6800 system. He had
> fig-Forth running on FLEX.  At the time I was only interested in the Apple
> II, DEC PDP-10, and BSD 4.x on VAX, so I didn't pay much attention to his
> system.
>
> I had problems similar to what you describe when I was bringing up the PACE
> version of fig-Forth, and tracked down and fixed a serious bug in the
> published listing. AFAICT, I am the only person other than the author who
> ever ran the PACE version. I found it far easier to debug on a simulator
> rather than the real hardware.
>
> The 6800 version must surely have been far more popular than the PACE
> version, so it seems somewhat unlikely that there would be a huge defect in
> the published listing, but it's not impossible.
>
> I wrote some 68HC11 assembly professionally in the late 1980s, but the only
> actual 6800 code I've writen was a 6800 version of the Apple I monitor.
> Writing 6800 code after being used to the 68HC11 and 6809 was a huge step
> backward; I kept trying to use newer instructions and addressing modes that
> the 6800 did not have.  I have a non-working Electronic Product Associates
> Micro 68; maybe someday I'll fix it up.
>
>

I never had a 6800 in those days, but I had a friend who did.  He had
it running on his.  I think I still have the documentation laying around
here somewhere.

bill



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