> > have you thought about pusting these registers to the stack
> > in InitApplication() and then popping them off the stack in
> > QuitApplication() :)
>
> A good idea! I was just thinking about recompiling the startup code of the
> prc-tools, when I read your answer... Ok, now I wrote:
>
> static u8 d45;
> static Err StartApplication() {d45 = reg2; ...; return 0;}
> static void StopApplication() {...; reg2 = d45;}
>
> and...it works. No overlocked chunks any more!
well, i probably would have pushed it on the stack.. your using a
global variable here.. have you tried resetting the device? i
bet it'll crash.. you cannot have globals always..
use a 'pushm ' statment
:)
> In StartApplication d45 becomes 0x0004008E00000000. Thus, D4 seems to hold
> somewhat very important.
yes, as john replied (you probably haven't got it yet), d4 is used to
hold some data.
> > you can use a3 and a4 :) heh
>
> Well, aren't a5 and a7 a better choice? ;-)
heh.. a7 for sure..
> Thank you very much for your help.
no problems.. however, i would rethink what you have done now and
do something like this:
InitApp:
// save d4 register - need it later
asm("movem.l %%d4, -(%%sp)" : : );
QuitApp:
// restore d4 register - need it now
asm("movem.l (%%sp)+, %%d4" : : );
of course, make sure you dont mess the stack up in your app
// az
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