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S > SHARP  > MZ 80B   

MZ 80B

As the German magazine "mc" reported in its January 1981 first edition, the MZ-80B was shown first on the German Hannover show, in April 1981.

The MZ-80B was one of the nicer, if not the nicer, and well designed home computer ever built. It also featured an innovative 'Intelligent' cassette deck which was able to find and load a program anywhere in the cassette tape. All the cassette functions were remote controlled by software.

The MZ-80B was compatible with the other MZ 80x computers (Sharp MZ 80A, Sharp MZ 80K), but unlike these ones, it was possible to have high graphic resolution thanks to one or two optional boards which provided one or two switchable graphic pages.

This computer, like all the computers of the Sharp MZ series, had no language in ROM, Basic (or any other language) had to be loaded from tape.

Please consider donating your old computer / videogame system to or one of our partners from anywhere in the world (Europe, America, Asia, etc.).


I had one of these machines. The games it came with were a space invaders clone called ''Spitfire'' a Pac-Man clone and one called Pengo. I had the external floppy drive unit, too. It blew up one day in 1987 in a puff of magic blue smoke out of the back.

Wednesday 6th September 2023
Mark (South Africa)

Does Anyone know where I can purchase a sharp mz 80 b ?

Sunday 4th June 2023
Gavin Williams (South Africa)

I learned basic language and started computers with the sharp MZ80B, it was the school computer. I used it 2 years before leaving the junior high school, guardian would set me out every day when closing the school. It was so origin of my interest for computers, very nice to use, good keyboard good screen, reliable. Always regret it.

Monday 10th April 2017
charles (France)
personnal web page


TYPE  Professional Computer
YEAR  1981
KEYBOARD  Full-stroke keyboard, 92 keys. Numeric keypad and function keys.
CPU  LH0080A ( Z 80A-CPU )
CO-PROCESSOR  Zilog Z-80A PIO Controller, Intel 8253-Compatible Precision Timer, Intel 8255-Compatible Peripheral Interface
RAM  32 KB Standard RAM (optional 32K Expansion Available)
VRAM  2 KB Text Video RAM
ROM  2 KB (Character Generator) + 2 KB (Initial Program Loader)
TEXT MODES  80 or 40 chars. x 25 lines
GRAPHIC MODES  320 x 200 (optional), one or two bitplans
COLORS  Built-in 9'' monochrome (green) CRT (8 x 8 dot matrix)
SOUND  1 channel speaker (Max 400mW @ 440Hz, 8cm 32-Ohm)
SIZE / WEIGHT  450mm x 520mm x 270mm / 16 Kg
I/O PORTS  Centronics, RS 232c, IEEE 488, 16-bit free programmable I/O card, Floppy interface (all optional)
BUILT IN MEDIA  Remote controlled tape recorder (1800 bits/sec using Sharp PWM)
Optional 2 or 4 x 5.25'' Floppy Drive
OS  Hu-BASIC (Hudson Soft), WICS(Carry Lab), Sharp BASIC, Disc BASIC (FDOS) or CP/M 2.2 loaded from FDD
PRICE  £1100

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