GUSREG_READ      1958 dev/isa/gus.c  	SELECT_GUS_REG(iot, ioh2, GUSREG_CUR_ADDR_HIGH|GUSREG_READ);
GUSREG_READ      1960 dev/isa/gus.c  	SELECT_GUS_REG(iot, ioh2, GUSREG_CUR_ADDR_LOW|GUSREG_READ);