InterlaceMode
if(infoflag & InterlaceMode) temp <<= 1;
if(infoflag & InterlaceMode) DisplayUnit >>= 1;
if(infoflag & InterlaceMode) data |= 0x20;
if(infoflag & InterlaceMode) {
if(infoflag & InterlaceMode) data2 >>= 1;
if(temp & InterlaceMode) i++;
if(SiS_Pr->SiS_RefIndex[RRTI].Ext_InfoFlag & InterlaceMode)