Base Ball © 1984 Nintendo of America, Incorporated.
PlayChoice-10 version. For more information about the game itself, please see the original Japanese version entry; "Base Ball [Model HVC]"
Nintendo PlayChoice-10 hardware
Game ID : BA
Main CPU : Zilog Z80 (@ 4 Mhz), N2A03 (@ 1.789772 Mhz)
Sound Chips : Zetex N2A03 (@ 1.789772 Mhz), DAC
Players : 2
Control : 8-way joystick
Buttons : 2
Even if the titlescreen says 1984, this USA version of the game was released in October 1985.