It doesn’t have to be that way though, as [Aleksander] shows with the Pocket265: a handheld 6502 single-board computer somewhat reminiscent of the famous KIM-1. Like that classic machine ...
[hoglet] has built a very clever 6502 protocol decoder using Sigrok and ... first an Open Bench Logic Sniffer on a Papilio One FPGA board. This hardware was changed to an impressively inexpensive ...
The Olimex NEO6502 is a dream board for retro emulation - with dual-processor setup for added power. Easy setup - just need the board, USB keyboard, HDMI cable, and screen to start emulating Apple II.