[A83] Re: APD stuff
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[A83] Re: APD stuff
Each of those is one byte. They're ordered sequentially in memory so you
can point hl to apdSubTimer, then do dec (hl) \ ret nz \ inc hl \ dec (hl) \
ret nz \ *APD*. Actually, you wouldn't need to do anything like that, but
that's what TIOS does.
-Dan Englender
----- Original Message -----
From: "Joe Pemberton" <dArkSk8eR@buffbody.com>
To: <assembly-83@lists.ticalc.org>
Sent: Thursday, June 21, 2001 7:20 PM
Subject: [A83] Re: APD stuff
>
> how many bytes are each one? (i would assume apdsubtimer would be 2, but i
> dunno)
> ----------------------------------------------
> Original Message
> From: "Dan Englender"<dan@calc.org>
> Subject: [A83] Re: APD stuff
> Date: Thu, 21 Jun 2001 14:46:54 -0400
>
> >
> >APD runs off two counters. apdTimer is the main counter, when this
reaches
> >zero, the calc APD's. apdSubTimer is, well, the sub-timer :) It's
> >decremented during the interrupt, and when it reaches zero, apdTimer is
> >decremented. I think the reset-value TIOS uses for apdTimer is approx.
> 74h.
> >If you want the calc to APD *now*, you can set apdTimer and apdSubTimer
> both
> >to one.
> >
> >-Dan Englender
> >
> >
> >>
> >> Somebody knows exactly how that APD stuff works?
> >> I like to know where it is in the memory(I mean the
> >> counter for APD).
> >>
> >>
> >> If you're bored, you should go to battlemail.com and
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