Pro Yakyuu World Stadium © 1988 Namco.
A Japanese baseball game that is essentially an arcade rendition of Namco's 'Family Stadium' for the Nintendo Famicom.
Namco System 1 hardware
Game ID : WS
Main CPU : 6809 (@ 1.536 Mhz)
Sub CPU : 6809 (@ 1.536 Mhz)
Sound CPU : 6809 (@ 1.536 Mhz)
MCU: HD63701 (@ 1.536 Mhz)
Sound Chips : Yamaha YM2151 (@ 3.57958 Mhz), Namco advanced 8-channel stereo WSG, stereo DAC
Screen orientation : Horizontal
Video resolution : 288 x 224 pixels
Screen refresh : 60.61 Hz
Palette Colors : 24-bit RGB palette
Players : 2
Control : 8-way joystick
Buttons : 2
Released in March 1988.
The title of this game translates from Japanese as 'Pro Baseball World Stadium'.