| Software list: | Milton Bradley Microvision cartridges (microvision) |
|---|---|
| Short name: | alienrdr |
| Year: | 1981 |
| Publisher: | Milton Bradley |
| Supported: | Yes |
| pcb: | 4952-79 REV-B |
| serial: | 4176 |
| Short name: | cart |
|---|---|
| Interface: | microvision_cart |
| butmask: | 0xaaa |
| clock: | 500000 |
| paddle: | 1 |
| pla: | 1 |