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That's interesting, how did you do I/O? Bypassing the OS was a lot easier back then :)
by zh3 5y ago
That's interesting, how did you do I/O? Bypassing the OS was a lot easier back then :)
- zabzonk 5y agoDirect memory access, BIOS (such as it was). I was actually toying with a version that would be fully CP/M hosted, so that it could read and write CP/M files but then I got a proper paying programming job - previously I was a microbiologist, moonlighting, and who could resist the delights of a DecSystem10? And then an IBM 4381?