[Coco] Help with dumping various EPROMS

[Arthur Flexser]

Bill, I'm pretty sure those vectors are copied by some magic or other from
$BFF0-BFFF in the Color Basic ROM, and need not be burned into the EPROM.

Art

On Sun, May 10, 2015 at 10:19 PM, Bill Nobel <b_nobel at hotmail.com> wrote:

> Hi Ron, Although Art’s comment will work, but it will miss the vectors
> from $FFF0 to $FFFF which are the key vectors for power up etc..  I use a
> method of reading ROMS from my eprom burner which is a TL866CS, nice little
> unit.  It reads just about anything.
>
> Bill Nobel
>
> > On May 10, 2015, at 8:08 PM, Ron <ron at kdomain.org> wrote:
> >
> > Hi Art,
> >
> > I really appreciate the assistance!
> >
> > I purchased ADOS3/Ext ADOS3 many years ago and love it!  Still trying to
> hunt down the diskettes I had for them (so I could customize them).
> >
> > Thank you!
> >
> > -Ron
> >
> >
> >
> >
> > On 5/10/2015 9:00 PM, Arthur Flexser wrote:
> >> They all start with $C000.  An 8K EPROM, which I believe CDOS is, will
> end
> >> at $DFFF.  A 16K EPROM should be saved up to $FEFF (Extended ADOS3).  I
> >> think RGBDOS is 8K, not sure there.  If it is in a 2764 EPROM, it is
> 8K, if
> >> it is in a 27128 EPROM, it may be 16K.
> >>
> >> In all cases, if you're saving from a CoCo 3, you must do a POKE
> &HFFDE,0
> >> prior to the SAVEM, from a WIDTH 32 screen, to put the CoCo 3 into ROM
> mode.
> >>
> >> Art
> >>
> >> On Sun, May 10, 2015 at 9:52 PM, Ron <ron at kdomain.org> wrote:
> >>
> >>> Hello all,
> >>>
> >>> New to the list and recently getting back to using my CoCo after more
> >>> years than I'd like to count...  :)
> >>>
> >>> I opened up one of my Distro Super Controllers and noticed I populated
> 3
> >>> of the 4 available banks with various EPROMS I had burned a while back.
> >>> These include Extended ADOS3, RGB-DOS & CDOS.  I'd like to dump all of
> >>> these to diskette for backups just in case I would ever want to burn
> >>> additional copies or use them in an emulator (if possible).
> >>>
> >>> I'm still trying to remember how to do this - I know I can do it with a
> >>> SAVEM command, but need to know the address ranges.  These are all 28
> pin
> >>> EPROMS.
> >>>
> >>> Can anyone assist?
> >>>
> >>> Thanks!
> >>>
> >>> -Ron
> >>>
> >>>
> >>>
> >>>
> >>> --
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> >>>
> >
> >
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>
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