[Coco] Suggested RAM area for ML program to be used from BASIC?

Fedor Steeman petrander at gmail.com
Mon Jun 9 04:17:32 EDT 2008


OK, thank you, guys! I will consider the area at $FA0C to $FDFF or use CLEAR
from some BASIC loader/poker program to free up the necessary space. A
kilobyte might actually be sufficient for what I have in mind...

Cheers.
Fedor

2008/6/9 Arthur Flexser <flexser at fiu.edu>:

> If you mean $E00, then no, that's part of the PMODE graphics area.
>
> If you mean $FA0C-FDFF, then yes, on a CoCo 3 or on an earlier CoCo if you
> copy
> ROM to RAM first and protect it from a reset.
>
> Art
>
> On Mon, 9 Jun 2008, Fedor Steeman wrote:
>
> > > The picture is wasted space in the internal ROM, but not in the memory
> > map, as
> > > it is always mapped out except when displayed.
> >
> > Does that mean this particular space can be used for Color Basic hacks?
> >
> > 2008/6/9 Arthur Flexser <flexser at fiu.edu>:
> >
> > > On Sun, 8 Jun 2008 jdaggett at gate.net wrote:
> > >
> > > > Art
> > > >
> > > > From $FA0C to $FDFF, about 1012 bytes. A rather small machine
> language
> > > > program could fit there. The author's picture is loaded at $0E00 and
> is
> > > > allocated $1800 (6144)bytes. Unless RSBASIC over writes this block is
> > > > uncertain. It would seem to be a waste of space to me.
> > > >
> > > > james
> > > >
> > >
> > > The picture is wasted space in the internal ROM, but not in the memory
> map,
> > > as
> > > it is always mapped out except when displayed.
> > >
> > > Art
> > >
> > >
> > >
> > > --
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> > >
> >
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>
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