softwarelist
| name | description | notes |
| zx81_cass | Sinclair ZX81 cassettes | |
|
software
| name | supported | description | year | publisher | notes | cloneof |
| rpncalc | yes | RPN Calculator | 1982 | Zeta Software | | |
|
rom
| name | size | crc | sha1 | offset | status | loadflag | value |
| RPNCalculator.tzx | 8504 | 1609ef0d | a6283859ffc5d6390b55803129777fe32b74d627 | | good | | |
|
part
| name | interface |
| cass1 | zx81_cass |
|