Sinclair ZX81

The Computer by Sinclair Research, Ltd.

Emulated in MAME !

DESCRIPTION

[MACHINE] Computer

Sinclair ZX81 © 1981 Sinclair Research, Limited.


A home computer built in the United Kingdom as the successor of the ZX80.

TECHNICAL INFORMATION

PICTURE :
1
Sinclair ZX81 the  Computer
Click to enlarge
(members only)
* 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 05, 1981.

SOURCES
Machine's bios.
Machine's picture.
See goodies section.

Page last modified on January 14, 2015