r20m              469 dev/ic/opl.c   	u_int8_t r20m, r20c, r40m, r40c, rA0, rB0;
r20m              511 dev/ic/opl.c   	r20m = (chars0 &~ OPL_MULTIPLE_MASK) | m_mult;
r20m              540 dev/ic/opl.c   	opl_set_op_reg(sc, OPL_AM_VIB,      voice, 0, r20m);