Uploaded April 2022 | Updated September 2026, 1 week ago

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MODEL Hit-Bit 75B
MANUFACTURER Sony
TYPE Home Computer
ORIGIN Japan
YEAR 1984
BUILT IN LANGUAGE Microsoft Extended (MSX Basic V1.0)
Personal DataBank sofware built-in
KEYBOARD QWERTY mechanical keyboard
AZERTY for the HB-75F
CPU Z80A
SPEED 3,6 Mhz
RAM 64 kb, 30 kb left for the programming
VRAM 16 kb
ROM 32 kb + 16kb for built-in software
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
COLORS 16
SOUND General Instruments AY-3-8910 Programmable Sound Generator
3 channels, 8 octaves
I/O PORTS 2 joystick sockets
2 cardridge slot (1 at the rear)
Tape-recorder plug (1200/2400 bauds)
RGB video output
Centronics interface
Monitor video output
Scart video output
OS: MSX DOS