softwarelist
| name | description | notes |
| zx81_cass | Sinclair ZX81 cassettes | |
|
software
| name | supported | description | year | publisher | cloneof | notes |
| blkcrystls | yes | Black Crystal (single sided) | 1982 | Carnell Software | blkcrystl | |
|
rom
| name | size | crc | sha1 | offset | status | loadflag | value |
| BlackCrystal(SingleSided).1A.tzx | 50136 | 52e60561 | 71c582739f4d0bb2dc2649d5b61502eff1ec85d2 | | good | | |
| BlackCrystal(SingleSided).2A.tzx | 64991 | ab30a673 | 64b1a7c75d58b2e4ad1ff29df653a0732cadbc21 | | good | | |
|
part
| name | interface |
| cass1 | zx81_cass |
| cass2 | zx81_cass |
|