[Coco] Wildcatting and the RGB2VGA

tim lindner tlindner at macmess.org
Sat Mar 19 14:59:42 EDT 2016

> > On Feb 7, 2016, at 9:52 AM, tim lindner <tlindner at macmess.org> wrote:
> > 
> > I noticed wrong colors while playing Wildcatting while playing on a CoCo
> > 3 yesterday. I fiddled with the dip switches on the RGB2VGA and couldn't
> > get it working right. Anyone have any ideas?
> > 
> > Wrong colors: http://www.macmess.org/images/IMG_0220.jpg

Cocodemus <retrocanada76 at gmail.com> wrote:

> You need to call RGB from basic to set the correct pallete. By default its set
> to CMP

I just tried this, and you are correct.

I started the CoCo with the Wildcatting pak in slot one and the MPI
switched to slot two.

I entered the following command into BASIC:


Then POKEd the MPI to switch to slot one:

POKE 65407,0

Then the Program Pak auto started and the "oil field" colors were
correct. Thanks!

Were the colors also incorrect when using an RGB monitor, like the CM-8?

tim lindner
tlindner at macmess.org                                              Bright

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