💾 Archived View for mirrors.apple2.org.za › archive › ground.icaen.uiowa.edu › MiscInfo › Programmin… captured on 2024-07-09 at 04:44:08.
⬅️ Previous capture (2023-01-29)
-=-=-=-=-=-=-
Rich J. <aiiadict@hotmail.com> wrote:
> I want to load A,X, and Y with values to hplot on the screen. How can
> I get the %o to load the registers with the appropriate C variable?
void foo (void)
{
unsigned bar;
...
/* Load bar into a/x */
asm ("ldy #%o+1", bar);
asm ("lda (sp),y");
asm ("tax");
asm ("dey");
asm ("lda (sp),y");
/* Easier, if just a/x is needed: */
__AX__ = bar;
...
}
Regards
Uz
--
Ullrich von Bassewitz uz@remove-to-reply.musoftware.de
1:27pm up 213 days, 20:11, 70 users, load average: 0.03, 0.05, 0.11