taglinefilesource code
ISP16_DRIVE_SET_PORT290drivers/cdrom/isp16.ci = ISP16_IN(ISP16_DRIVE_SET_PORT) & ISP16_DRIVE_SET_MASK;  /* clear some bits */
ISP16_DRIVE_SET_PORT291drivers/cdrom/isp16.cISP16_OUT( ISP16_DRIVE_SET_PORT, i|drive_type );