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I am a programmer and hardware/software researcher (mostly software.) I'm familiar with both PC architecture as well as a number of embedded processors like Z80, 6502, 68HC12, etc.

My hardware projects include analysis of s1mp3, a cheap Z80-based portable media player platform. You can see more information about my work on this here.

Here is a tentative schematic of the RCA_1802E control unit.

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