softwarelist
| name | description | notes |
| zx81_cass | Sinclair ZX81 cassettes | |
|
software
| name | supported | description | year | publisher | notes | cloneof |
| fastoneg | yes | The Fast One (green inlay) | 198? | Campbell Systems | | fastone |
|
rom
| name | size | crc | sha1 | offset | status | loadflag | value |
| FastOne(Green).tzx | 9837 | 3c57d2f2 | c31f2892ea9145cdab6ef5f21cd126ab9d079036 | | good | | |
|
part
| name | interface |
| cass1 | zx81_cass |
|