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snes9x
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Test for transparency before dithering.

This commit is contained in:
Brandon Wright 2018-05-05 19:07:48 -05:00
parent 113a43c4cd
commit bd9db57262
1 changed files with 6 additions and 6 deletions
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12
fxinst.cpp
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@ -906,14 +906,14 @@ static void fx_plot_2bit (void)
return;
#endif
if (!(GSU.vPlotOptionReg & 0x01) && !(COLR & 0xf))
return;
if (GSU.vPlotOptionReg & 0x02)
c = ((x ^ y) & 1) ? (uint8) (GSU.vColorReg >> 4) : (uint8) GSU.vColorReg;
else
c = (uint8) GSU.vColorReg;
if (!(GSU.vPlotOptionReg & 0x01) && !(c & 0xf))
return;
a = GSU.apvScreen[y >> 3] + GSU.x[x >> 3] + ((y & 7) << 1);
v = 128 >> (x & 7);
@ -970,14 +970,14 @@ static void fx_plot_4bit (void)
return;
#endif
if (!(GSU.vPlotOptionReg & 0x01) && !(COLR & 0xf))
return;
if (GSU.vPlotOptionReg & 0x02)
c = ((x ^ y) & 1) ? (uint8) (GSU.vColorReg >> 4) : (uint8) GSU.vColorReg;
else
c = (uint8) GSU.vColorReg;
if (!(GSU.vPlotOptionReg & 0x01) && !(c & 0xf))
return;
a = GSU.apvScreen[y >> 3] + GSU.x[x >> 3] + ((y & 7) << 1);
v = 128 >> (x & 7);