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Remove hacky post-DMA delay add proper pre-DMA delay based on logic analyzer capture. 512 color screen is a bit messed up but mostly works. Needs investigation
author Michael Pavone <pavone@retrodev.com>
date Sat, 18 Mar 2017 17:09:14 -0700
parents b1147418254a
children fa9ae059e4d3
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line source

#version 110

attribute vec2 pos;
varying vec2 texcoord;
uniform float width, height;

void main()
{
	gl_Position = vec4(pos, 0.0, 1.0);
	texcoord = sign(pos) * vec2(width/1024.0, height/-1024.0) + vec2(width/1024.0, height/1024.0);
}