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Corrected TIA no longer to assume phase is an automatic quarter askew.

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Thomas Harte 2017-05-16 20:43:28 -04:00
parent a5075d9eb5
commit 2ee8a7056e
1 changed files with 1 additions and 1 deletions
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2
Machines/Atari2600/TIA.cpp
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@ -137,7 +137,7 @@ void TIA::set_output_mode(Atari2600::TIA::OutputMode output_mode) {
"uint y = c & 14u;"
"uint iPhase = (c >> 4);"
"float phaseOffset = 6.283185308 * (float(iPhase) + 3.0) / 13.0 + 5.074880441076923;"
"float phaseOffset = 6.283185308 * float(iPhase) / 13.0 + 5.074880441076923;"
"return mix(float(y) / 14.0, step(1, iPhase) * cos(phase + phaseOffset), amplitude);"
"}");
display_type = Outputs::CRT::DisplayType::NTSC60;