ZX-81
Game Information
| manufacturer | Sinclair Research Ltd |
| year | 1981 |
| Cloned by | lambda pc8300 pow3000 ringo470 tk85 ts1500 zx97 ts1000 |
| downloads | 67 |
Screenshots
Download Details
| split set | zx81.zip 32.43KiB |
| merged set | zx81.7z 38.00KiB |
| standalone set | zx81.7z 12.96KiB |
Game Details
Computer published 43 years ago:
Sinclair ZX81 (c) 1981 Sinclair Research, Limited.
A home computer built in the United Kingdom as the successor of the ZX80.
- TECHNICAL -
* CPU: Zilog Z80A 3.5 MHz
* RAM: 1 KB (901 bytes available, up to 64 KB)
* ROM: 8 KB
* Text Modes: 32 x 24 (but 2 lines are reserved for system messages and commands)
* Graphic Modes: 64 x 44
* Colors: Black and white
* Sound: None
* I/O Ports: Zilog Z80 Bus, tape, video
* Keyboard: Touch-sensitive keyboard, 40 keys
* Built In Language: Sinclair Basic
- TRIVIA -
Driver Details
| source | sinclair/zx.cpp |
| driver status | good |
| emulation status | good |
| save states | unsupported |
| channels | 1 |
Screen Details
| display | screen |
| type | raster |
| orientation | horizontal |
| width | 384 |
| height | 311 |
| refresh rate | 50.66hz |
Input Details
| player: | 1 |
| type | keyboard |
| directions | N/A |
| buttons | 40way |
Chipset Details
| Zilog Z80 | 3.25mhz |
| Speaker | present |
| Cassette | present |
ROM Details
| name | size | crc |
|---|---|---|
| zx81b.rom | 8.00KiB | 522c37b8 |
| zx81.rom | 8.00KiB | fcbbd617 |
| zx81a.rom | 8.00KiB | 4b1dd6eb |
| h4th.rom | 8.00KiB | 257d5a32 |
| tree4th.rom | 8.00KiB | 71616238 |