A desire for cycle accuracy results in 32 million recorded CPU states derived entirely from original hardware

The developer of MartyPC, an emulator for vintage Intel-compatible hardware that targets cycle accuracy, has released a test suite for Intel’s classic 80286 processor and compatibles – created, in a fit of raw enthusiasm and hyperfocus, by single-stepping a physical chip from the mid-1980s through the execution of almost 1.5 million instructions.…