softwarelist
| name | description | notes |
| zx81_cass | Sinclair ZX81 cassettes | |
|
software
| name | supported | description | year | publisher | notes | cloneof |
| powpack1 | yes | Power Pack 1 | 1982 | Timex | | |
|
rom
| name | size | crc | sha1 | offset | status | loadflag | value |
| PowerPack1.1.TSCalc.tzx | 1127 | 900c6ced | a2e4de1ff48b1db549f186696c36b30356c1ce80 | | good | | |
| PowerPack1.2.TSBar.tzx | 1584 | ebd7b7b3 | dc56da706e7b42d539ee7f7b538244886dea99f1 | | good | | |
| PowerPack1.3.TSGraph.tzx | 1457 | 52361205 | 1718593d39250fe61458d85a71270040e109e398 | | good | | |
| PowerPack1.4.TSBanner.tzx | 1384 | f26878da | 1a44e92d6183cf4cd80a256cd095f707092485cb | | good | | |
|
part
| name | interface |
| cass1 | zx81_cass |
| cass2 | zx81_cass |
| cass3 | zx81_cass |
| cass4 | zx81_cass |
|