softwarelist
| name | description | notes |
| zx81_cass | Sinclair ZX81 cassettes | |
|
software
| name | supported | description | year | publisher | cloneof | notes |
| chess | yes | Chess also Chess-Clock | 1981 | Sinclair Research | | |
|
rom
| name | size | crc | sha1 | offset | status | loadflag | value |
| Chess.A.tzx | 8529 | 048ac674 | 19d9455f04dfbd3fd3ccf8ed150a4978d969beaa | | good | | |
| Chess.B.ChessClock.tzx | 1805 | d12b8821 | 204487379b173c2ba8d805ae4858de86e74cc852 | | good | | |
|
part
| name | interface |
| cass1 | zx81_cass |
| cass2 | zx81_cass |
|