[Coco] Reverse video mod

[Joe Grubbs]

Thanks Daniel!



> Date: Sun, 19 Apr 2015 13:06:11 -0300
> From: daniel.campus at gmail.com
> To: coco at maltedmedia.com
> Subject: Re: [Coco] Reverse video mod
> 
> On 19/04/2015 12:59, Joe Grubbs wrote:
> > Steve posted pictures of his old CoCo2s, one of which as a Lowerkit and "Reverse video mod", both selectable via chassis mounted toggle switches. The reverse video mod gives green text on a black background.
> >
> > Does anyone know what is being done in hardware to make this happen? Is it separate from the Lowerkit? Steve mentioned there might be a blurb about it in an old issue of Rainbow, but I've not yet found it.
> >
> > Note that this is something I'd like to do on a CoCo2 with the 6847 VDG (NOT the T1 version, which is apparently more configurable with some clever POKES).
> >
> >
> >   		 	   		
> >
> 
> Joe,
> 
> That is a simple mod and was described in one of the "Turn of the Screw" 
> articles.
> 
> http://sparksandflames.com/files/FullTurn.pdf
> 
> Codimex made this mod a default option on the Codimex CD-6809 machine 
> here in Brazil.
> 
> Daniel
> 
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