[A83] Re: GrBufCpy

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[A83] Re: GrBufCpy


GrBufCpy copies the 768 bytes from plotSScreen, the graph backup buffer,
to the display. I'm not sure what the problem with your program is, but
it could be that GrBufCpy destroys all registers, so make sure to
push/pop appropriately, or disable interrupts and swap with the shadow
registers.

Alternatively, go to Home Depot and purchase a large sledgehammer.

Later,
-Tom

Stevens I.T.

-----Original Message-----
From: assembly-83-bounce@lists.ticalc.org
[mailto:assembly-83-bounce@lists.ticalc.org] On Behalf Of Jens
Bj=F6rnhager
Sent: Thursday, December 13, 2001 1:42 AM
To: assembly-83@lists.ticalc.org
Subject: [A83] GrBufCpy


I'm still having problems with the GrBufCpy routine. What does it DO to
=3D
my system?! Is there anything more it does behind the scenes but setting
=3D
the flag that tells the calc you're at the graph screen? How to set =3D
things back the way it was before? All the routines following my routine
=3D
with GrBufCpy gets garbled, If I make a full clearscreen, you can't =3D
write to anything on the screen but the first byte-column. Everything =
=3D
works fine if i omit the GrBufCpy routine. The GrBufCpy routine works as
=3D
it should. Doesn't anyone know what I'm talking about?

/Jens
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