[Coco] CoCo's alternate colors

L. Curtis Boyle curtisboyle at sasktel.net
Wed Nov 24 14:30:05 EST 2021


You will also notice that the uppercase letters have shifted up in each character cel (to make room for the lowercase descenders on the T1), which is why older games like Protectors II won’t display the little waving men properly.

L. Curtis Boyle
curtisboyle at sasktel.net

TRS-80 Color Computer Games website
http://www.lcurtisboyle.com/nitros9/coco_game_list.html

NitrOS-9 Ease of Use (EOU) Project
http://www.lcurtisboyle.com/nitros9/nitros9.html




> On Nov 24, 2021, at 1:25 PM, Allen Huffman <alsplace at pobox.com> wrote:
> 
> Back in the day, I may or may not have known that SCREEN 0,0 and SCREEN 0,1 toggled the alternate color of the 32 column VDG screen.
> 
> I wrote about this a few weeks back:
> 
> https://www.vintageisthenewold.com/the-cocos-lesser-known-screen-color
> 
> Recently, Roger Taylor mentioned something about colors being different on the T1 version of the VDG found in the "Tandy" labeled CoCo 2s. I was unaware, so I explored a bit:
> 
> https://www.vintageisthenewold.com/the-cocos-lesser-known-screen-color-revisited
> 
> A part three will follow shortly…
> 
> I never knew the black border could be turned off on a CoCo 2.
> 
> --
> Allen Huffman - PO Box 7634 - Urbandale IA 50323 - 515-999-0227 (vmail/TXT only)
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