ATB2W
#define ATB2W(A,B)(NV_REG8(NV8_INSTAT1), NV_REG8(NV8_ATTR2INDW) = ((NVATBX_##A) | 0x20), NV_REG8(NV8_ATTR2DATW) = (B))
#define ATB2W(A,B)(ENG_REG8(RG8_INSTAT1), ENG_REG8(RG8_ATTR2INDW) = ((ENATBX_##A) | 0x20), ENG_REG8(RG8_ATTR2DATW) = (B))
#define ATB2W(A,B)(ENG_REG8(RG8_INSTAT1), ENG_REG8(RG8_ATTR2INDW) = ((ENATBX_##A) | 0x20), ENG_REG8(RG8_ATTR2DATW) = (B))