VERTEX_3_SPEC_ARGB  536 include/video/mach64.h #define VERTEX_3_SPEC_ARGB	0x068C	/* Dword offset 1_A3 */
VERTEX_3_SPEC_ARGB  555 include/video/mach64.h #define VERTEX_3_SPEC_ARGB	0x068C	/* Dword offset 1_B6 */