Brings back memories. Inspired, I broke out some tapes from 1973. Software was simpler then.
Interesting stuff, nostalgic but just fond history for me. DEC was just one of many platforms I was involved with over the years.
Speaking of emulation - I once implemented (mid-70's) a Singer System 10 emulator on a Data General Eclipse (yup, the sewing machine company once manufactured computers) . My emulator, with some added microcode, was far faster than the native machine and ran the Singer demo flat-out on all terminals simultaneously. The demo was an ASCII graphic animation of a sewing machine. The only hard part was reverse-engineering all of their undocumented instructions.
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