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Don't apply address and cd register changes to the 'live' registers until pending flag is cleared, but do preserve the upper address bits in the latch. Fixes regression in Overdrive 2 while preserving fix to Mona in 344 bytes
author Michael Pavone <pavone@retrodev.com>
date Mon, 13 Apr 2020 20:43:25 -0700
parents fa9ae059e4d3
children f3cca4b3f17a
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line source


uniform sampler2D textures[2];

varying mediump vec2 texcoord;

void main()
{
	mediump vec2 modifiedCoord0 = vec2(texcoord.x, (floor(texcoord.y * 512.0 + 0.25) + 0.5)/512.0);
	mediump vec2 modifiedCoord1 = vec2(texcoord.x, (floor(texcoord.y * 512.0 - 0.25) + 0.5)/512.0);
	gl_FragColor = mix(
		texture2D(textures[1], modifiedCoord1),
		texture2D(textures[0], modifiedCoord0),
		(sin(texcoord.y * 1024.0 * 3.14159265359) + 1.0) * 0.5
	);
}