softwarelist
| name | description | notes |
| zx81_cass | Sinclair ZX81 cassettes | |
|
software
| name | supported | description | year | publisher | cloneof | notes |
| qsdefend | yes | QS Defenda | 1982 | Quicksilva | | |
|
rom
| name | size | crc | sha1 | offset | status | loadflag | value |
| QSDefenda.tzx | 2739 | f53682e9 | db9f63deb748e232c16b4c8b769b143315d83540 | | good | | |
|
part
| name | interface |
| cass1 | zx81_cass |
|