f_num             328 dev/ic/opl.c   	u_int32_t f_num = freq / 3125;
f_num             331 dev/ic/opl.c   	while (f_num > 0x3FF && block < 8) {
f_num             333 dev/ic/opl.c   		f_num >>= 1;
f_num             339 dev/ic/opl.c   		return ((block << 10) | f_num);