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ZX-81

  1. Game infos
  2. Parent and Clones
  3. Sound
  4. Driver
  5. Inputs
  6. Controls
  7. Display
  8. Configurations
  9. Roms list
  10. BIOS set
  11. Chips list
  12. Categories
  13. History
Download zx81.zip (0 B)
Snapshot

Game infos

Description ZX-81
Name zx81
Manufacturer Sinclair Research Ltd
Year 1981
Runnable yes
System arcade /
Number of players Non-arcade
Added to MAME .036b15
Romset size 0 B
Romset file files
Romset zip 0 B
Genre Computer

Parent and clones

Parent This game is the parent

Sound infos

Sound_channels 0

Driver infos

Driver status good
Driver emulation good
Driver color good
Driver sound good
Driver graphic good
Driver cocktail
Driver protection
Driver savestate yes

Inputs infos

Input service no
Input tilt no
Input players 1
Input buttons
Input coins

Controls infos

type ways minimum maximum sensitivity keydelta reverse
keyboard no

Display infos

type rotate flipx width height refresh pixclock htotal hbend hbstart vtotal vbend vbstart
raster 0 no 384 311 50.655403 6049470 384 0 384 311 0 311

Configuration

name tag mask
TV system
Name NTSC
Value 0
Default no
Name PAL
Value 64
Default yes

CONFIG
 64

Roms list

console name bios size crc md5 merge sha1 region offset status optional
arcade h4th.rom hforth 8192 257d5a32 03809a6b464609ff924f7e55a85eef875cd47ae8 maincpu 0 good no
arcade tree4th.rom tforth 8192 71616238 3ee15779e03482b10fc59eb4df2446376c56b00d maincpu 0 good no
arcade zx81.rom 1st 8192 fcbbd617 a0ade36540561cc1691bb6f0c42ceae12484a102 maincpu 0 good no
arcade zx81a.rom 2nd 8192 4b1dd6eb 7b143ee964e9ada89d1f9e88f0bd48d919184cfc maincpu 0 good no
arcade zx81b.rom 3rd 8192 522c37b8 c6d8e06cb936989f6e1cc7a56d1f092da854a515 maincpu 0 good no

BIOS set

name description default
1st 1st rev. yes
2nd 2nd rev. yes
3rd 3rd rev. yes
hforth Forth by David Husband yes
tforth Forth by Tree Systems yes

Chips list

name tag type clock
Z80 maincpu cpu 3250000

Categories

History


Computer published 38 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 05, 1981.

- CONTRIBUTE -

Edit this entry: https://www.arcade-history.com/?&page=detail&id=72690&o=2