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A quoted comment (by lloyd 2019-02-05 12:54 UTC) from an interesting article about the 6303, MC3 - A DIY 8-bit computer (emphasis is mine): I used those same '80s processors a lot and still find much to like about them, especially the 6303's instruction set which was a joy for assembly programming. skipp, that repeater manual's a labour of love! Can't help ...


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I worked in 1984-86 on CAD software for 6502 machines. We did our coding, assembling and linking on CP/M, and wrote a few utilities in C for the CP/M side during 1984. It was probably Aztec C, and using that for firmware would have have been rather brave, but C compilers were definitely around. Microsoft may not have had one until later, but they weren't ...


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In my experience, 1983 would be possible but a little on the early side for people to be doing systems programming in C on 8-bit machines. I had summer jobs in 1982, 1983, and 1984 at Digital Research Inc., which was a fairly big systems house in Pacific Grove, CA, that sold operating systems such as CP/M and MP/M, and also sold compilers. The summer of 1984 ...


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