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S > SHARP  > MZ 80K   

MZ 80K

The MZ-80K was, alongside the Apple II, the Commodore PET and the Tandy TRS 80’s one of the best known computer in the early 80's. Its name stands for "M" from MICRO and Z-80 from the computer it uses.

It has no language in ROM, and BASIC has to be loaded from tape. Sharp called this "clean design", as you could choose what you wanted to put in your computer, the MZ-80K being delivered clean... Though a 5.25" floppy disk unit was later available, most people never used anything else than the built-in tape recorder (1200 bps).

There is no colour, no high resolution and characters sets can't be redefined. But the pre-defined characters set was very complete offering a lot of different graphical symbols, and people (mainly japanese) created great games, overcoming the main flaw of the MZ-80 serie... A graphic card was later designed for this computer, allowing to redefine the characters set resulting in a virtual "high resolution" of 320 x 192 pixels.

The MZ-80K is equiped with a real clock and a built-in speaker.

First MZ-80K were sold in Japan as assembly kits (1978). In 1980, Sharp released the MZ-80K2 which is basicaly a MZ-80K with 32 KB RAM, a non-reflective keyboard and and a volume control at the rear of the system. One year later, a cost reduced version, the MZ-80K2e, was marketed as an anniversay model when MZ serie sales reached one hundred thousand machines.

TYPE  Home Computer
YEAR  1979
BUILT IN LANGUAGE  Sharp Basic available on tape
KEYBOARD  Strange transparent square keys. 78 keys. Numeric keypad
CPU  Sharp LH-0080 (Zilog Z80 A compatible)
RAM  20 KB (up to 48 KB)
MZ-80K2 & K2e: 32 KB
TEXT MODES  40 x 25 (8 x 8 character matrix)
COLORS  built-in 10'' black & white monochrome monitor
SOUND  one channel
SIZE / WEIGHT  410 (W) x 470 (D) x 270 (H) mm / 13 kg
I/O PORTS  Expansion bus
BUILT IN MEDIA  Tape recorder
PERIPHERALS  RAM expansions, printer, Floppy drives unit, color display
PRICE  MZ-80K: 198,000 yen (1978, japan)
MZ-80K2: 198,000 yen (1980, japan)
MZ-80K2e: 148,000 yen (1981, japan)

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