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- From: Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
- Date: Fri, 11 Feb 94 10:50:06 +0100
- Message-Id: <9402110950.AA02543@issan.informatik.uni-dortmund.de>
- To: Stephen.Usher@earth.ox.ac.uk
- In-Reply-To: <12102.9402110812@earth.ox.ac.uk> (message from Stephen Usher on Fri, 11 Feb 1994 08:12:04 +0000 (GMT))
- Subject: Re: Load average patch for MiNT 1.09.
-
- Stephen Usher <Stephen.Usher@earth.ox.ac.uk> writes:
-
- |> BUGS
-
- |> The uptime and load average code uses the Vertical Blank Interrupt
- |> to update its values and assumes that the interrupt will happen
- |> 60 times per second. This is a false assumption on PAL STs running
- |> in either ST Low or ST Medium resolutions in which case the uptime
- |> clock will run slow.
-
- It's worse than that, in ST High the frame clock is 72 Hz (on
- ST/STe's), and the uptime clock will run too fast. You should never
- make any assumptions about the frequency of the VBI. If you want a
- reliable clock, use etv_timer.
-