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Modular Monitor: Serial Terminals, Hardware Bugs, and You
Connecting the 6502 to a Serial Terminal Turned Out to be Harder Than Expected. When I designed my minimal 6502 development board, I made plenty of concessions to keep the project feasible. A lot of my grandiose ideas for it turned out to be impractical, but I’m still using it. Why not? It’s still a…
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6502 Development: NOPerator Debugging Aid
A Very Simple 6502 Accessory That can Catch Very Complex bugs. Debugging is hard. Anyone who programs computers knows how hard it is to get stuff working reliably. Tiny oversights can lead to massive problems, often in ways that aren’t obvious. Patches get churned out on a daily basis. Hardware engineers have it much, much…