softwarelist
| name | description | notes |
| zx81_cass | Sinclair ZX81 cassettes | |
|
software
| name | supported | description | year | publisher | cloneof | notes |
| 3ddefend | yes | 3D Defender | 1981 | J.K. Greye Software | | |
|
rom
| name | size | crc | sha1 | offset | status | loadflag | value |
| 3DDefender.tzx | 12095 | a9e69d1c | 7c6b0a1fdef5c43aeed21f9d98f4e0c9837214cf | | good | | |
|
part
| name | interface |
| cass1 | zx81_cass |
|