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ZX-81

Game Information
manufacturer Sinclair Research Ltd
year 1981
cloned by lambda pc8300 pow3000 ringo470 tk85 ts1000 ts1500 zx97
genre N/A
downloads 0
Screenshots
zx81 title
zx81 title
Download Details
split set zx81.zip 32.43k
merged set zx81.7z 31.16k
standalone set zx81.7z 13.04k
artwork zx81.zip 6.95m
Game Details
Computer published 44 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 -

The ZX81 was released on March 5, 1981.

- CONTRIBUTE -

Edit this entry: https://www.arcade-history.com/?&page=detail&id=72690&o=2
Driver Details
source sinclair/zx.cpp
status good
emulation good
savestate unsupported
nosoundhardware yes
Screen Details
display screen
type raster
orientation horizontal
width 384px
height 311px
refresh 50.66mhz
Input Details
player 1
type keyboard
buttons 40
directions N/A
Chipset Details
name Zilog Z80
clock 3.10mhz
name Speaker
clock N/A
name Cassette
clock N/A
ROM Details
name size crc
zx81b.rom 8.00k 522c37b8
zx81.rom 8.00k fcbbd617
zx81a.rom 8.00k 4b1dd6eb
h4th.rom 8.00k 257d5a32
tree4th.rom 8.00k 71616238