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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01YDRjtmAiNpo5mK5N3d7QwZ
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co-authored by Claude Opus 5.5
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---
title: Didaktik Kompakt
categories:
- Computers
types:
- Home Computer
origins:
- Czechoslovakia
years:
- '1992'
cpus:
- Z80A
params:
name: Kompakt
company: /companies/didaktik
company_name: Didaktik
specs:
- label: NAME
value: Kompakt
- label: MANUFACTURER
value: Didaktik
- label: TYPE
value: Home Computer
- label: ORIGIN
value: Czechoslovakia
- label: YEAR
value: '1992'
- label: END OF PRODUCTION
value: Unknown
- label: BUILT IN LANGUAGE
value: Spectrum Basic with some improvements
- label: KEYBOARD
value: QWERTY mechanical keyboard with separated arrow keys and many functions per key just like the spectrum
- label: CPU
value: Z80A
- label: RAM
value: 48 or 128 KB (up to 320 KB)
- label: ROM
value: 32 KB (Sinclair BASIC + MDOS O.S.)
- label: TEXT MODES
value: 32 x 22 or, 64 x 32 with special software
- label: GRAPHIC MODES
value: 256 x 192 dots
- label: COLORS
value: 8 (each have normal and bright mode). Thanks to russian ULA, 96 colours multicolor support (like Russian Pentagon or Scorpion speccy clones)
- label: SOUND
value: Beeper, 1 voice, 5 octaves
- label: I/O PORTS
value: Expansion bus, Sinclair Joystick port, Kempston joystick port, RF TV video output, Composite video output (Monitor), SCART video & audio connector, Tape interface
- label: BUILT IN MEDIA
value: 3,5'' 840 KB (DD) or 1.8 MB (HD). Standard PC floppy can be used
- label: OS
value: MDOS
- label: POWER SUPPLY
value: Built-in power supply unit
- label: PERIPHERALS
value: 'I/O ports: 2 x 9-pin canon Sinclair and Kempston, TV and RGB output, conector for external FDD, expansion slot and 8255 interface'
- label: PRICE
value: '230'
tabs:
- photos
- hardware
- links
photos:
- title: TOP
subtitle: ''
text: Thanks to Krosik for this picture
image: null
- title: REAR
subtitle: ''
text: |-
From left to right:
\- expansion connector\
\- RF TV video output\
\- composite video output\
\- tape interface\
\- scart video connector\
\- on/off power switch\
\- power cord...
Thanks to Krosik for this picture
image: null
- title: WITH BOX
subtitle: ''
text: Thanks to Krosik for this picture
image: null
hardware:
- title: IDE CONTROLLER
subtitle: ''
text: This hard disk IDE controller is named divIDE. It was developed and it is selled by its author Pavel Cimbal.
image: null
- title: MELODIK
subtitle: 3-voice sound generator
text: Thanks to **Aleš Jílek**
image: null
- title: INSIDE THE MELODIK
subtitle: ''
text: |-
The Melodik interface is built around the well known AY 3-8912 sound generator. One find it in the MSX machines and in the Spectrum 128. It's a 3 voice, 8 octave + white noise generator.
Thanks to **Aleš Jílek**
image: null
links:
- title: Clube do TK90X
url: http://www.tk90x.com.br
text: Brazilian site dedicated to the TK90 and other Microdigital systems
- title: Here, you can buy several Didaktik models and peripherals.
url: http://www.kompaktservis.cz
text: Site in Czech language. Try e-mail
- title: Home Computer Museum
url: http://www.homecomputer.de/pages/f_sinclair.html
text: Stephan has a lot of Spectrum clones with wonderful pictures
- title: Sinclair Nostalgia Products
url: http://www.algonet.se/~rsm/zx/zxclones.html
text: Impressive list of ZX Spectrum clones with useful infos
- title: ZX Spectrum in the 21st Century
url: http://tarjan.uw.hu/zxclones_en.htm
text: Nice review of modern Spectrum clones
comments:
- author: mikezt (Slovakia)
date: Friday 10th December 2010
text: Auch, so many disinformations here. So at first, Kompakt don''t use MSDOS formated disks, but use it''s own format and 720kB per disk. It can''t handle HD diskettes. Memory extension was not provided by Didaktik and PCB was not prepared for it. AY can be connected externaly (Didaktik Melodik). Video can be connected to TV output, composite output or scart. Colour pallete is the same as ZX Spectrum, no extensions. And no CP/M mode.
- author: wilsonsamm (Off the western coast of Norway)
date: Wednesday 15th October 2003
text: |-
Actually, the Didaktik Kompakt is still available.\
sintech.de sells them now.
related:
- /museum/didaktik-gama
- /museum/didaktik-m
- /museum/microdigital-tk-90x
- /museum/microdigital-tk-95
- /museum/robik
- /museum/spica-ines
oc_id: 953
source:
url: https://web.archive.org/web/20230609174624/http://www.old-computers.com/museum/computer.asp?c=953
date: '2023-06-09'
---
The Didaktik Kompakt was the last model made by Didaktik Skalica.
The Didaktik Kompakt is a [Didaktik M](/museum/didaktik-m/) with a built-in 3.5" disk drive(720 KB). It has standard connectors for joysticks and printer and a built-in parallel interface using i8255 as in [Didaktik Gama](/museum/didaktik-gama/). The amount of internal ROM was doubled, 16 KB for the [Spectrum](/museum/sinclair-zx-spectrum/) BASIC interpreter and 16 KB for the MDOS operating system. All other features are the same as [Didaktik M](/museum/didaktik-m/).
It was a real all-in-one computer with built-in power supply unit. Base model had 48 KB of RAM, expandable up to 128 KB (not provided by Didaktik). Sound output was a poor beeper. An AY 3-8912 sound shipset (3 voice, 8 octave + white noise generator) could be connected externaly via the Didaktik Melodik expansion.
Normal TV set could be used as well as EGA monitor. ULA custom chip was the same as the M version, screen was thus still square.
The interesting thing for computer collectors is you can still buy a didaktik model along with all its accessories and expansions. See Link section
---
Contributors: Vladimir Kopacek (info & pictures), Mikezt
<table> <tr> <td></td> <td>We need more info about this computer ! If you designed, used, or have more info about this system, please send us pictures or anything you might find useful.</td> <td></td> </tr> </table>