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Joe Mattiello
8287d41676
* fix(tom): expose live PIT counters and hardware register readback * test(tom): refresh Jagniccc baseline for live PIT readback * test(tom): keep readback harness under the test ABI guard
Regression screenshots
regression_test.sh compares the last screenshot dumped during its 600-frame
run (frame 500) against these images.
The Jagniccc baseline includes the live PIT1 timing readout introduced by
#1047. Its source (JaguarDemos/jagniccc2000/jagniccc.S, again loop) subtracts
PIT1 reads to display rendering and elapsed milliseconds. The old baseline
showed zeros because reads returned the timer reload value. The update changes
86 pixels within (80,28)–(211,34); the scene and frame counter are unchanged.
Linux ARM64 and macOS ARM64 CI captures were pixel-identical.