[Coco] Was reading HDB-DOS code to relax

Juan Castro jccyc1965 at gmail.com
Sun Jan 26 21:44:46 EST 2014


OK, but in this case the code that comes after is an ADDB, so flags
differences don't matter.


On Mon, Jan 27, 2014 at 12:13 AM, Luis Antoniosi (CoCoDemus) <
retrocanada76 at gmail.com> wrote:

> well 2 and 3 is the same but 7F and 00 for example. The V flag.
>
> On Sun, Jan 26, 2014 at 9:07 PM, Luis Antoniosi (CoCoDemus)
> <retrocanada76 at gmail.com> wrote:
> > juan it's not the same thing.
> >
> > test the results with 2 and 3 with both codes
> >
> >
> > On Sun, Jan 26, 2014 at 8:20 PM, Juan Castro <jccyc1965 at gmail.com>
> wrote:
> >> Saw this:
> >>
> >> LC0BD  bita  #$01    * CHECK TO SEE IF ACCD IS ON AN EVEN
> >>        beq   LC0C2   * 512 BYTE (ONE GRAPHIC PAGE) BOUNDARY - ADD
> >>        inca          * 256 (INCA) TO IT IF NOT
> >> LC0C2  tfr   A,B     COPY ACCA TO ACCB
> >>
> >> Why not just:
> >>
> >>        inca
> >>        anda  #$FE
> >>        tfr   A,B
> >>
> >> Juan
> >>
> >> --
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> >
> >
> >
> > --
> > Long live the CoCo
>
>
>
> --
> Long live the CoCo
>
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