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ptorric
 Post subject: vga and 6502
PostPosted: Sun Feb 13, 2005 10:02 am 
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Joined: Sun Feb 13, 2005 9:58 am
Posts: 85
hi all, can anyone tell me where i can find some docs about how a vga works?
i'd like to know if it's possibile to interface it on a 6502 board.
tnx!
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BitWise
 Post subject:
PostPosted: Sun Feb 13, 2005 2:45 pm 
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Joined: Tue Mar 02, 2004 8:55 am
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Location: Berkshire, UK
There is a little bit about it in this document, but I'm sure there are better.
http://www.xess.com/appnotes/an-101204-vgagen.pdf

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ptorric
 Post subject:
PostPosted: Tue Feb 15, 2005 10:13 pm 
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BitWise wrote:
There is a little bit about it in this document, but I'm sure there are better.
http://www.xess.com/appnotes/an-101204-vgagen.pdf


i think you hit the point!
tnx, it seem to be a good kickoff.
next step maybe can be find out a onechip vga controller.
tnx again
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Brian_Lyons
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PostPosted: Thu Feb 17, 2005 4:26 pm 
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Joined: Sun Nov 28, 2004 3:21 pm
Posts: 14
Location: Toronto, Canada
Interesting stuff!


I'm currently working on CGA controller based on 6545 CRT chip.
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8BIT
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PostPosted: Thu Feb 17, 2005 7:29 pm 
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Joined: Fri Aug 30, 2002 9:02 pm
Posts: 1681
Location: Sacramento, CA
I went ahead and ordered one of the Hess FPGA boards. I may build their vga model. Using the FPGA could also allow for other options such as IDE, Compact Flash, ethernet, and also DRAM refresh control.

Anyhow, I've always wanted to give FPGA design a try.

Daryl
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