This hardware was changed to an impressively inexpensive Cypress FX2 development board that was reconfigured to a 16 channel logic analyzer. The hardware for this build was at first an Open Bench Logic Sniffer on a Papilio One FPGA board. Right now, able to stream two million 6502 cycles directly to memory, so he’s able to capture the entire startup sequence of a BBC Micro. This protocol decoder is capable of looking at the ones and zeros on the data bus of a 6502-based computer. has built a very clever 6502 protocol decoder using Sigrok and a cheap 16-channel logic analyzer. Now we have fast, cheap bits of hardware that can look at multiple inputs simultaneously, and there are Open Source solutions for displaying and interpreting the ones and zeros on a data bus. Connect the leads on these analyzers to a system, find that super special ROM cartridge, and you could look at the bus of a computer system in real time. The Before Times were full of fancy logic analyzers.
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