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Found a new working formula for NTSC Atari 2600 colours.

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This commit is contained in:
Thomas Harte 2016-04-24 22:02:00 -04:00
parent 884755c560
commit 7a8d100861
1 changed files with 3 additions and 3 deletions
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6
Machines/Atari2600/Atari2600.cpp
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@ -35,9 +35,9 @@ void Machine::setup_output(float aspect_ratio)
"float composite_sample(usampler2D texID, vec2 coordinate, vec2 iCoordinate, float phase, float amplitude)\n"
"{\n"
"vec2 c = vec2(texture(texID, coordinate).rg) / vec2(255.0);"
"float y = 0.1 + c.x * 0.91071428571429;\n"
"float aOffset = 6.283185308 * (c.y - 3.0 / 16.0) * 1.14285714285714;\n"
"return y + step(0.03125, c.y) * 0.1 * cos(phase - aOffset);\n"
"float y = 0.1 + c.x * 0.91071428571429;"
"float aOffset = 6.283185308 * (2.0/16.0 - c.y);" // - 3.0 / 16.0
"return y + step(0.03125, c.y) * 0.1 * cos(phase - aOffset);"
"}");
_crt->set_output_device(Outputs::CRT::Television);
}