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I have programmed by looking up op codes in a table on a sheet of paper and entering the hex codes into an EPROM programmer.
Did this in university in the very first week, quite a few people dropped out after that 😅
Ah yes, the great filter
You are… Old?
Fucking ancient. This was for a Z80 based system using discreet logic for addressing and IO, constructed on a wire-wrapped board.
