Sony HitBit HB-75P MSX

I have the main unit and the Sony HitBit FDD HBO-50 Micro floppydisk drive.

type computer
country Japan
year 1984
os MS extended basic (MSX)
cpu Zilog Z80
speed 3.5 MHz
ram 64 KB
rom 48 KB
graphic 256 x 192
colors 15
sound 3 channels
ports two joysticks, scart, EF, audio/video, printer, tape, cartridge