[Coco] Color Error in VCC

[Bill Pierce]

Ahhhh... That explains it. I run all my Windows machines in Classic mode. I usually set this when I'm optimizing all the "bull" out of the system. Thanx again Mr. Gault, I had a feeling you would find the explination. :-)


Music from the Tandy/Radio Shack Color Computer 2 & 3 
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Bill Pierce
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-----Original Message-----
From: Robert Gault <robert.gault at att.net>
To: CoCoList for Color Computer Enthusiasts <coco at maltedmedia.com>
Sent: Fri, Mar 9, 2012 9:26 am
Subject: Re: [Coco] Color Error in VCC


Bill Pierce wrote:
 Mine is giving white background on the graphics set. It could be something to 
o with the
 version of windows and the palette set being used by windows itself. This 
aptop is running
 XP. Or it could be something to do with the graphics card. My question is why 
oes it show
 white on VCC and black on every other emulator I use? Could VCC somehow have 
t's palette's
 being initialized to the wrong startup colors? I will check this out on my big 
achine when
 I get home next week and what colors it shows because I know laptops can do 
crewy stuff
 sometimes. Whatever the condition causing this, Luis has the same conditions.


Bill,
ou have found the answer. I can force my WinXP system to produce the white 
ackground by forcing a non-standard Windows color set.
Right click on the Windows Desktop and select Properties. When you get the 
isplay Properties window, select Appearance. Note that there is a Color Scheme 
elector which has a drop-down list. As an example, I selected 'Red, White, and 
lue (VGA)' and got the same color problem with VCC you describe; correct colors 
but on a white background. Even 'Windows Classic', messed up VCC.
Select the color set 'Windows Standard', and I think you will get the correct 
olors. That works on my system.
I also tested MESS with alternate Windows color sets and MESS is not affected. 
ESS colors do not get changed. That implies that the code in VCC does not use 
n optimal routine for calculating colors and must make assumptions about what 
indows is doing.

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