softwarelist
| name | description | notes |
| zx81_cass | Sinclair ZX81 cassettes | |
|
software
| name | supported | description | year | publisher | cloneof | notes |
| stkmarko | yes | The Stock Option Analyzer | 1982 | Timex | | |
|
rom
| name | size | crc | sha1 | offset | status | loadflag | value |
| StockOptionAnalyzerThe.tzx | 5763 | b829c9c3 | 7691ee6f0ac6a103168684ac3cde78ec128c5e68 | | good | | |
|
part
| name | interface |
| cass1 | zx81_cass |
|