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by greenbit
1271 days ago
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Got a chuckle out of that section - DOS as an RTOS. But yeah, makes sense, about the only thing on the metal besides your application would be the timer interrupt, and didn't they use a DMA channel for dynamic RAM refresh? You wouldn't have some preemptive scheduler slicing your time with 50-odd instances of svchost.exe, there'd be no virtual memory page swapping going on. With just your application code running, the caches should even stabilize. |
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