Since I am interested in hardware monitoring and single-stepping through bus cycles, 6809/6309, 8051 and many others (not capable of stopping in the middle of bus cycle) are somehow out of my scope. We have MC68008 variant already and I think of MC68000/010 and Intel 8080 - schematics are ready, working on the PCBs.

The MC68000 board, incorporating the STM32L496 MCU, will have the size of DIL64 socket, so if I succeed, this will be the smallest DIP64 MC68k computer in the world.

I believe that USB power and interface is the way to go for modern retro computers. No more power supplies and RS232 consoles...

Thanks for interesting links.

Since once you get to the website it's not terribly clear how to reach the forum, here's the link:
https://www.retrobrewcomputers.org/forum/index.php

The bulk of the discussion is at https://www.retrobrewcomputers.org/foru ... &frm_id=1& .

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http://WilsonMinesCo.com/ lots of 6502 resources
The "second front page" is http://wilsonminesco.com/links.html .
What's an additional VIA among friends, anyhow?

Two more pictures:

SDC_One version with 65C816 support - full cycle info display and disassembly in hardware monitor console (so far only 8-bit mode disassembly is supported.)