SB16P_SW_LINE_L  1752 dev/isa/sbdsp.c 		lmask = SB16P_SW_LINE_L;
SB16P_SW_LINE_L   130 dev/isa/sbreg.h #define 	SB16P_SW_LINE	(SB16P_SW_LINE_L|SB16P_SW_LINE_R)