softwarelist
| name | description | notes |
| zx81_cass | Sinclair ZX81 cassettes | |
|
software
| name | supported | description | year | publisher | notes | cloneof |
| udg | yes | UDG | 1981 | dK'tronics | | |
|
rom
| name | size | crc | sha1 | offset | status | loadflag | value |
| UDG.tzx | 8150 | 66a2453f | 0fefc639d3c9a6c2ed2a5d994f94ee0691e0dca5 | | good | | |
|
part
| name | interface |
| cass1 | zx81_cass |
|