[Coco] Inverting VDG text screen on a CoCo 1/2?

L. Curtis Boyle curtisboyle at sasktel.net
Wed Feb 15 14:02:34 EST 2023


I remember “Inverse video switches” that a lot of people installed on their Coco 1’s back in the day, so that makes sense.

L. Curtis Boyle
curtisboyle at sasktel.net



> On Feb 15, 2023, at 12:58 PM, tim lindner via Coco <coco at maltedmedia.com> wrote:
> 
> On Wed, Feb 15, 2023 at 10:41 AM L. Curtis Boyle via Coco
> <coco at maltedmedia.com> wrote:
>> 
>> On the regular VDG, there is no reverse video bit. So you have to use the inverted characters in the character set (ie POKE 1024+loc,0-63).
>> 
> 
> There is an inverse video pin on the chip. But it is not hooked up. I think.
> 
> -- 
> tim lindner
> 
> "Proper User Policy apparently means Simon Says."
> 
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