BG_CYAN           133 dev/ic/vga.c   	BG_BLACK, BG_BLUE, BG_GREEN, BG_CYAN, BG_RED,
BG_CYAN           137 dev/ic/vga.c   	BG_MAGENTA, BG_CYAN, BG_LIGHTGREY
BG_CYAN           146 dev/isa/ega.c  	BG_MAGENTA, BG_CYAN, BG_LIGHTGREY