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I'm working on a CPU simulator for the Intel 8080 (and probably, soon enough, 8085) and I'm running into some issues with a test program that I'm using. I'm wondering if someone out there who has a machine with an actual Intel 8080 CPU could run the Supersoft CPU Diagnostics program (the CP/M...

Jason Scott just published a blog post explaining why he won't be attending any more VCF Festivals. This sounds so egregious that I'm wondering if there's something more to this story.

Does anybody out there have a ROM image for the NEC TK-80 trainer board, or a board from which they can dump the ROM? I can't seem to find one on the 'net, and TK-80s have now become unaffordable for me n Japan ($400+). It's small enough (768 bytes) that if worst comes to worst I'd even take a...

What's the usual turnaround time on moderation here? I notice that my first post has been awaiting a mod to release it for about 24 hours now.