Hi i am new in this great forum and i have two questions

A. What are the right settings to enable/disable
the 22 bit color on voodoo5

1. 3D Filter Quality
SSTH3_OVERLAYMODE=???

2. Alpha Blending
SSTH3_ALPHADITHERMODE=???

B. Any idea about "Dither Subtraction"
FX_GLIDE_NO_DITHER_SUB=???

Thanks