softwarelist
| name | description | notes |
| zx81_cass | Sinclair ZX81 cassettes | |
|
software
| name | supported | description | year | publisher | cloneof | notes |
| geoguk | yes | Geographics UK | 198? | Novus Software | | |
|
rom
| name | size | crc | sha1 | offset | status | loadflag | value |
| GeographicsUK.tzx | 16281 | 4af3cfc9 | 0d88e5bc5e71cc898a375156e40396b5b536d7a0 | | good | | |
|
part
| name | interface |
| cass1 | zx81_cass |
|