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Altera_Forum's avatar
Altera_Forum
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13 years ago

VGA resolution problem

Hello all, I am using the University program media computer and this works. As I see how it is set up the VGA pixel buffer is 320x240 and then it's scaled to 640x480. But I want to ha...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

You are correct, the SRAM is 512kB, but why would the Altera university program make the option for 640x480?

Problem is that the image at the moment is going through a scaler which scales the send out 320x240 up to 640x480, thus showing this on the screen (not sure if these buffer gets updated).

When I remove the scaler and write directly to the buffer the image gets distorted. It might be the problem that the buffer is using high and low bytes?