From: Bart Oldeman (Bart.Oldeman@bristol.ac.uk)
Date: Mon 14 Aug 2000 - 00:56:25 IDT
On Fri, 11 Aug 2000, Lionel Pinkhard wrote: > Thanks for the help! I seem to have one more problem with the time: > > My game expects the time to be returned in the system timer's format, how > would I be able to convert tv.tv_usec to this format? The way the game is > programmed, makes it VERY hard to rewrite the game's timing routines, > without rewriting the entire game, but the game uses a procedure which > returns the system timer, so just converting the number in this > procedure would be the easiest. :-) Yes. Ralf Brown says that INT 1Ah, AH=0 returns the number of clock ticks as approx. 18.2 per sec or 1800B0h (1573040) per 24 hrs. ticks = (tv.tv_usec + tv.tv_sec * 1000000) * 1573040 / (24*60*60*1000000); This gives an integer overflow. To avoid, use doubles, "long long" or simplify. E.g. ticks = (tv.tv_usec/10000 + tv.tv_sec * 100) * 182 / 1000; (but there are more accurate ways; it depends how many decimals of the 18.2... you need. I guess you don't need more for game playing). Bart
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