KC Compact Advert

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KC compact

The KC Compact is a clone of the Amstrad CPC developed 1989-1990 in East Germany.

Note: This is the edited translation of a magazine advert for the computer. I don't know the original translator, so I'm afraid no credit can be given.

The KC compact is a new developed home computer, made by VEB Mikroelektronik "Wilhelm Pieck" Muehlhausen. The system can be expanded software- or hardware-wise.

The KC compact is a compact, easy to use computer. It consists of a base unit with integrated keyboard and an external power supply. An RGB-monitor or a (non)colour-TV can be connected. A cassette recorder is used to store data. A disc-drive is to follow soon.

The homecomputer sports an 8-bit-processor, 64 Kbyte RAM and 32 Kbyte ROM. The BASIC-interpreter with an extended instruction set (181 instructions) and the operating system (non KC-85 compatible) are stored in ROM.

The KC compact has a sound-generator with three channels and 8 octaves.

In comparison with KC-85-system the KC compact has a new design: the newly designed keyboard has 69 keys. The keyboard is programmable (ASCII-codes, autorepeat on/off). Seven keys may be programmed with words and instructions (jobs).

External equipment (like a disc drive) can be connected to the expansion port. There are connectors for cassette recorder, joystick, sound and a centronics-printer port.

Graphic modes

The computer supports three graphic modes:

  • mode 0: 200 * 160 pixels with 16 of 27 colours
  • mode 1: 200 * 320 pixels with 4 of 27 colours
  • mode 2: 200 * 640 pixels with 2 of 27 colours

Independent of screenmode there are 25 lines. The number of characters per line depends on the screenmode.

  • mode 0: 20 characters/line
  • mode 1: 40 characters/line
  • mode 2: 80 characters/line

Technical data

  • name: microcomputer KC compact
  • construction type: base unit with integrated keyboard and external power supply
  • dimensions: base unit 390x220x50mm, power supply 125x76x62mm
  • weight: ca. 3500 g
  • protection class: IP20 TGL RGW 778
  • power: 25 watts
  • voltage: 220 V/external power supply
  • processor: UA880
  • clock frequenzy: 4 MHz
  • memory: 32 Kbyte ROM (operating system, BASIC),64 Kbyte RAM, 42 Kbyte free for user
  • resolution: 640x200 with 2 of 27 colours, 320x200 with 4 of 27 colours, 160x200 with 16 of 27 colours
  • max. pixels: 128,000
  • palette: 27
  • screen unit: normal (non)colour-TV or monitor with RGB-input
  • TV-connector: HF-modulator, ch 36, PAL or SCART-connector
  • ports: expansion port, joystick, tape, sound, parallel printer port (centronics)
  • external data storage: cassette recorder
  • tape-interface: 1000 bit/s, 2000 bit/s switchable non KC-85 compatible
  • sound: 3 channels, 8 octaves, sound- and SCART-interface (stereo) HF-interface (mono)
  • keys: 69
  • lines: 25
  • charaters per line: 20/40/80
  • programming languages: BASIC (ROM), other languages can be loaded from tape/disc (assembler, pascal)
  • KC compact includes: ground device, power supply, BASIC-handbook, Demo-tape

Operating systems

Read More

KC Compact Hardware Manuals (german)

KC Compact Cassette Manuals (german)

KC Compact Schematics

  • CPU and I/O Schematic

  • Memory Schematic

  • Modulator Schematic

  • Video and Power Schematic

  • Block Diagram

  • Component Map (Mainboard)

  • Compentnt Map (Modulator)

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