softwarelist
| name | description | notes |
| zx81_cass | Sinclair ZX81 cassettes | |
|
software
| name | supported | description | year | publisher | notes | cloneof |
| kbdcalc | yes | Keyboard Calculator | 1982 | Timex | | |
|
rom
| name | size | crc | sha1 | offset | status | loadflag | value |
| KeyboardCalculator.tzx | 6160 | 56b36255 | 064abd828a4d801e1e2029234762f6aadcba008e | | good | | |
|
part
| name | interface |
| cass1 | zx81_cass |
|