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S > SONY  > Hit-Bit 10   

Hit-Bit 10

Very basic MSX "1" computer. It is the entry-level system of the Sony MSX range. It has got all the minimum features specified by the MSX 1 specifications: 64 KB RAM, two cartridge slots, 70 keys, etc.

It has no built-in software applications unlike its brother, the HB-11.

It was sold with different colored cases. Red in Japan (only), and black for exportations systems. Like most Sony HB (Hit-Bit) systems, exported systems have a letter at the end of their names indicating the targeted country: D for Germany (Deutchland), F for France, etc...

Juan Jose Velez adds:
These MSX HB-11 computers were sold in Mexico with a Spanish keyboard (also with translated on-computer-printed-info, like the "turn off the computer before inserting or removing a cart" you found near the cart ports) in just one group of stores citywide: a women's clothes boutique called "Superbella".

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.


please help we have zx spectrum 48k and one 128k program running at 6mhz using external ram and snapper discs from velesoft site

Saturday 6th April 2013
Roger Jowett (Ulster Londonderry)
sam coupe


NAME  Hit-Bit 10
TYPE  Home Computer
YEAR  ? 1983
BUILT IN LANGUAGE  Microsoft Extended Basic (MSX Basic V1.0)
KEYBOARD  Full-stroke keyboard, 70 keys (including 5 F-keys and 4 arrow keys)
CPU  Zilog Z80A
SPEED  3.58 MHz
CO-PROCESSOR  Texas Instruments TMS 9918/A or TMS 9928/A (Japan : 60 Hz) or TMS 9929/A (Europe : 50 Hz)
RAM  64 KB
TEXT MODES  Mode 0 : 40 x 24
Mode 1 : 32 x 24
GRAPHIC MODES  Mode 2 : 256 x 192 with 16 colors (Hires mode)
Mode 3 : 64 x 48 with 16 colors (Multi colour mode)
32 sprites
SOUND  General Instruments AY-3-8910 Programmable Sound Generator
3 channels, 8 octaves
I/O PORTS  Joystick socket (1 or 2), Cardridge slot (1 or 2), Tape-recorder plug (1200/2400 bauds), RGB video output, Centronics interface
POWER SUPPLY  External power supply unit
PRICE  200 (Spain, 1986)

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