N-Sub © 1980 Sega.
Main CPU : Zilog Z80 (@ 1.93356 Mhz)
Screen orientation : Vertical
Video resolution : 224 x 256 pixels
Screen refresh : 60.00 Hz
Palette colors : 64
Players : 1
Control : 8-way Joystick
Buttons : 2
Released during December 1980.
CONSOLES:
Sega SG-1000 (1988)
Game's ROM.
Machine's picture.