Roller Jammer © 1984 Nichibutsu USA Corp.
Roller derby competition.
Main CPU : (2x) Zilog Z80 (@ 4 Mhz), NSC8105 (@ 1.5 Mhz)
Sound CPU : Zilog Z80 (@ 2.496 Mhz)
Sound Chips : (3x) General Instrument AY8910 (@ 1.248 Mhz), OKI MSM5205 (@ 384 Khz)
Screen orientation : Horizontal
Video resolution : 256 x 224 pixels
Screen refresh : 60.00 Hz
Palette colors : 64
Players : 2
Control : 8-way joystick
Buttons : 3