WriteWord
#define PWriteShort(a,b) WriteWord(a,(b)<<16|(b))
WriteWord(vidc_base, reg | value);
WriteWord(vidc_base, reg | value);
WriteWord ( vidc_base, reg | value );
WriteWord(vidc_base, VIDC_SFR | rate);
WriteWord(vidc_base, VIDC_SCR | ctrl);
WriteWord(vidc_base, channel | position);
WriteWord(L2pagetable + ((va >> 10) & 0x00000FFC), 0);