Re: A86: calls: important vars & 24-bit ptr
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Re: A86: calls: important vars & 24-bit ptr
there is also an 'empty' program - a program name with no length.
Stephen Hicks wrote:
>
> Hmm... this is interesting. the ".", "*" and "@" programs have eluded
> us thus far... Any info on when/why they are used?
>
> rabidcow@juno.com wrote:
>
> > i think i've seen this first one mentioned before.
> > $4547 $165E hl=h*l (bc=0 de=original l)
> >
> > loading important vars: (doesn't call findsym)
> > $454B $166A load '.' to op1
> > $454F $166F load "PRegC" to op1
> > $455B $1686 load '!' to op1
> > $455F $168B load '#' to op1
> > $4563 $1690 load '@' to op1
> > $4567 $1695 load '*' to op1
> > $456B $169A load theta to op1
> > $456F $16A0 load 'r' to op1
> > $4573 $16A5 load 'x' to op1
> > $16A8 load hl to op1+1
> > $4577 $16AC load 'y' to op1
> > $457B $16B1 load 't' to op1
> >
> > 24-bit pointer stuff:
> > $45EF $174F _inc_ptr_ade
> > $45F3 $175D _swap_ahl_bde
> > $45F7 $1764 _load_ade (hl)
> > $45FB $176A _load_bde (hl)
> > $45FF $1770 _load_ahl (hl)
> > $4603 $1779 _store_ade (hl)
> > $4607 $177F _store_bde (hl)
> >
> > -josh
> >
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> Stephen Hicks
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