softwarelist
| name | description | notes |
| zx81_cass | Sinclair ZX81 cassettes | |
|
software
| name | supported | description | year | publisher | notes | cloneof |
| qsdefendb | yes | QS Defenda (Big Picture) | 1981 | Quicksilva | | qsdefend |
|
rom
| name | size | crc | sha1 | offset | status | loadflag | value |
| QSDefenda(BP).tzx | 1971 | 15b06f98 | eccd0670138ea0f14de3448536adddc1df5cd57f | | good | | |
|
part
| name | interface |
| cass1 | zx81_cass |
|