[Coco] DECB -> Pi2/3

[Bill Gunshannon]

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From: Coco [coco-bounces at maltedmedia.com] on behalf of Dave Philipsen [dave at davebiz.com]
Sent: Monday, March 6, 2017 4:37 PM
To: CoCoList for Color Computer Enthusiasts
Subject: Re: [Coco] DECB -> Pi2/3

You know about OS9000, right?  It was an OS9 derivative from Microware
that was written in C and compiled to run on 80x86, Power PC, and 68000
platforms.  There's probably no reason that it couldn't also be made to
work on an ARM machine too.  I wrote some software back in the 90s that
ran under OS9000 on an 80486 but it was compiled C code, not directly
written in assembler.  I still have the install disks for OS9000 but I
don't know if they're good.

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Sure, but what good does that do any of us?  It's not free.  It's not available in
source so it certainly isn't portable.  It runs (or is it ran now?) on a very limited
hardware set (the PC version did not run on all PC's we tried it at the University.)
And probably worst of all, it was bloated.  One of OS-9's strengths was the size.

Maybe when I understand the inards better I will try once again at porting it
to something else.  But right now I am not even sure what would constitute
a minimal functionaing system.  (I also have another 6809 based box I would
love to have it on for reasons most people here probably would never understand,
the original TAPR TNC 1)  :-)

bill