softwarelist
| name | description | notes |
| zx81_cass | Sinclair ZX81 cassettes | |
|
software
| name | supported | description | year | publisher | notes | cloneof |
| elcostan | yes | Electric Cost Analyzer | 1983 | Timex | | |
|
rom
| name | size | crc | sha1 | offset | status | loadflag | value |
| ElectricCostAnalyzer.tzx | 15789 | d6745b7a | f5f5c2a8038df69484937ce4b853b4e83dfcf5f5 | | good | | |
|
part
| name | interface |
| cass1 | zx81_cass |
|