| From: | David McMinn |
| Date: | 2 Apr 2001 at 09:39:09 |
| Subject: | Re: OS GetAShape? |
Hi John
> Is there a simple OS function for getting the number of ticks since
> system startup? I want to be able to timing and 50ths of a second would
> be fine, but the ticks function in Blitz always returns 0 for some reason.
> ISTR there is a field in a structure somewhere with that value, but I
> can't remember where it is.
What's this got to do with GetAShape then? ;)
You could try the E clock, but I'm not sure if that is the time since system
startup or not. Could be though.
NEWTYPE.sixtyfour
high.l
low.l
End NEWTYPE
DEFTYPE.sixtyfour e_val
freqeuncy_of_e_clock.l = ReadEClock_(&e_val)
; Number of E clock (based on master frequency of computer, different for
; PAL (709379Hz) and NTSC (715909Hz).
You can therefore get the time in fractions of a second between two ReadEClock_
calls by subtracting the first from the second and then dividing by the
frequency.
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