SF-X © 1983 Nichibutsu.
Main CPU : Zilog Z80 (@ 3.072 Mhz)
Sound CPU : (2x) Zilog Z80 (@ 1.78975 Mhz)
Sound Chips : (2x) General Instrument AY8910 (@ 1.78975 Mhz), and a DAC for speechs
Players : 2
Control : 8-way joystick
Buttons : 2
Released in July 1983 in Japan. SF-X stands for 'Space Fighter-X'.
This game is known outside Japan as "Skelagon".
Developed by Nihon Game (now Culture Brain).
Game's ROM.