Black Crystal (clam shell)

Test (cass1)

Short name:	cass1
Interface:	zx81_cass
part_id:	Test

Map 1 (cass2)

Short name:	cass2
Interface:	zx81_cass
part_id:	Map 1

Map 2 (cass3)

Short name:	cass3
Interface:	zx81_cass
part_id:	Map 2

Map 3 (cass4)

Short name:	cass4
Interface:	zx81_cass
part_id:	Map 3

Map 4 (cass5)

Short name:	cass5
Interface:	zx81_cass
part_id:	Map 4

Map 4b (cass6)

Short name:	cass6
Interface:	zx81_cass
part_id:	Map 4b

Map 5 (cass7)

Short name:	cass7
Interface:	zx81_cass
part_id:	Map 5

Map 6 (cass8)

Short name:	cass8
Interface:	zx81_cass
part_id:	Map 6