Thanks for pointing people to Area 5150. Context for others: This, and its predecessor 8088 MPH, uses every single trick in the book and many not written down anywhere to squeeze that kind of performance out of a real 1981 IBM PC 5150 with IBM CGA card. Thus they only run correctly on that specific hardware, not a clone computer or card. "Regular" software emulators also have a tough time. Showing off MartyPC with Area 5150 is thus two technical feats combined into one.
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Thanks for pointing people to Area 5150. Context for others: This, and its predecessor 8088 MPH, uses every single trick in the book and many not written down anywhere to squeeze that kind of performance out of a real 1981 IBM PC 5150 with IBM CGA card. Thus they only run correctly on that specific hardware, not a clone computer or card. "Regular" software emulators also have a tough time. Showing off MartyPC with Area 5150 is thus two technical feats combined into one.