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San Bergmans NanoSBC 6802

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Phil_G:
Hi, I'm new here so I'm not sure if theres any interest in the MC6800/6802, I'm currently building a SWTPC 6800 clone/reproduction and along the way I built a couple of San's 6802 boards to get back into 6800 assembler (its been a while...).  If there is any interest, I've written a monitor or bug for it, it does examine, modify, s-load, goto, calculates relative jump offsets, memory fill, breakpoints, and has vectored NMI & IRQ jumps, so its just like a 70's development system.  It also has built-in a silly little noughts-&-crosses demo game!
Here is Sans project: https://www.sbprojects.net/projects/nano6802/index.php

Cheers
Phil



woofy:
Very nice, I just love these retro projects. The end result is usually about as useful as a chocolate teapot, but the fun along the way is priceless.
The SWTPC 6800 sounds interesting too, any more information? Are you planning a reproduction case?

gslick:
I haven't really looked at the 6800 project there. I should take a look sometime.

I do use the SB-Assembler there:

https://www.sbprojects.net/sbasm/

I originally used the DOS based Version 2. That is a pain now on current 64-bit systems where you have run it on an older OS in a VM.

The current Version 3 is written in Python3 so it should be easy to run on any current system. Plus the source code is also available to download.

It supports many of the popular vintage 8-bit CPUs if you're into that:

https://www.sbprojects.net/sbasm/crosses.php

granzeier:

--- Quote from: Phil_G on February 26, 2021, 12:33:14 am ---Hi, I'm new here so I'm not sure if theres any interest in the MC6800/6802, I'm currently building a SWTPC 6800 clone/reproduction and along the way I built a couple of San's 6802 boards to get back into 6800 assembler (its been a while...).  If there is any interest, I've written a monitor or bug for it, it does examine, modify, s-load, goto, calculates relative jump offsets, memory fill, breakpoints, and has vectored NMI & IRQ jumps, so its just like a 70's development system.  It also has built-in a silly little noughts-&-crosses demo game!...

--- End quote ---
Yes, I also have some of San's boards and want to put some together. Could you post the source to your monitor, and the game, please?
Thanks.

SiliconWizard:
Cool project. I would probably have favored the 6809 myself, as it was pretty advanced compared to the 6802, yet still in the same "family".
But I reckon retro projects are not about "performance", so that's just a personal preference.

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