Author: Tom Kerrigan
Date: 15:15:43 01/13/00
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On January 13, 2000 at 14:00:10, Christophe Theron wrote: >Be careful with milliseconds on a PC running Windows 9x. Actually the PC timer >has not changed since prehistory, and it is still producing interrupts at >18.2Hz. That means that the resolution of time of day under Windows 9x is more >than 50 milliseconds! > >Under Windows NT I remember this is 10ms. Much better, but stil not accurate to >the millisecond. I think the 18.2Hz deal needs to be maintained for backwards compatibility with DOS programs. I'm almost 100% certain that GetTickCount() under Windows 95/98/NT has millisecond accuracy. It's possible that it skips a millisecond once in a while, but it is frequently incremented by 1. -Tom
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