Main Stadium © 1989 Konami Industry Company, Limited.
One or two players choose a ballclub from cities like New York, Chicago, Los Angeles, Atlanta, or Boston and compete either against the computer or each other in this baseball game. A wide variety of pitches can be thrown and batters can change their stance and angle of swing.
Main CPU : Motorola M6809 (@ 2 Mhz)
Sound CPU : Zilog Z80 (@ 3.579545 Mhz)
Sound Chips : (2x) K007232 (@ 3.579545 Mhz)
Players : 2
Control : 8-way joystick
Buttons : 2
Main Stadium was released in June 1989 in Japan. It is known outside Japan as "Bottom of the Ninth".
1) Main Stadium (1989, ARC)
2) Bottom of the 9th [Model SLUS-00049] (1996, PS1)
3) Bottom of the 9th '97 [Model SLUS-00296] (1997, PS1)
4) Bottom of the 9th '99 [Model SLUS-00678] (1998, PS1)
Game's ROM.