OPL3_BASSDRUM_ON
OPL3_BASSDRUM_ON, OPL3_BASSDRUM_ON, OPL3_HIHAT_ON, /* 35 - 37 */
OPL3_BASSDRUM_ON, OPL3_HIHAT_ON, OPL3_BASSDRUM_ON, /* 41 - 43 */
case OPL3_BASSDRUM_ON:
reg_val |= OPL3_BASSDRUM_ON;