)
Values for CCB command code:
 00h	test unit ready
 01h	rewind
 03h	request sense data
 05h	get block size limits
 08h	Group 0 read
 0Ah	Group 0 write
 10h	write file marks
 11h	SCSI Space (set position?)
 12h	SCSI Inquire
 15h	set mode information
 16h	reserve SCSI device
 17h	release SCSI device
 19h	erase
 1Ah	request mode information
 1Bh	load/unload media
 1Dh	request target self-check
 24h	set window parameters
 25h	get window parameters
 28h	Group 1 read
 2Ah	Group 1 write
 31h	document feeder control
 34h	get scan data status
---vendor-specific commands---
 D3h	get document feeder status
 D4h	set document feeder mode