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System 80/Video Genie/PMC-80 Reminiscences

From Garry Howarth, Australia (4th September, 2011)...

"Back in the early 80's I arrived home with a Level-II cassette based System-80 under one arm and a carton of VB under the other. OK, now that I've got it, what do I do with it? I knew what to do with the VB :-)
With help from magazines like 80-Micro, Micro-80 and SYDTRUG etc, I was able to learn Basic and later Z80 assem. I also tried my hand at hardware mods, the usual extra ram and CPU speed-up mods.
Later came an expansion box with floppy drives, RS232 etc - I was in heaven :-)

My crowning glory was a thing I designed called ROMDOS-80. ROMDOS-80 was an add on board with Newdos-80 stored in an eprom and it also had a battery backed up RTC. Instant boot from rom and no system disk required - fast. "