mga_in32          59 src/video/fbcon/SDL_fbmatrox.c   count = mga_in32(0x1E20) + 2;
mga_in32          60 src/video/fbcon/SDL_fbmatrox.c   while ( mga_in32(0x1E20) < count )
mga_in32          52 src/video/fbcon/matrox_mmio.h    while ( mga_in32(MGAREG_STATUS) & 0x10000 )                     \