ISAWW
#define ISACRTCW(A,B)(ISAWW(CRTCIND, ((NMCRTCX_##A) | ((B) << 8))))
#define ISAGRPHW(A,B)(ISAWW(GRPHIND, ((NMGRPHX_##A) | ((B) << 8))))
#define ISASEQW(A,B)(ISAWW(SEQIND, ((NMSEQX_##A) | ((B) << 8))))