softwarelist
| name | description | notes |
| zx81_cass | Sinclair ZX81 cassettes | |
|
software
| name | supported | description | year | publisher | cloneof | notes |
| gbltd | yes | Great Britain Ltd | 198? | Simon W. Hessel | | |
|
rom
| name | size | crc | sha1 | offset | status | loadflag | value |
| GreatBritainLtd.tzx | 15767 | 4b717923 | bbde7b36f9f2cb65cd0ef2f112c52ce612a19433 | | good | | |
|
part
| name | interface |
| cass1 | zx81_cass |
|