Tri-Sports

37 Years old Arcade Video game Bally Midway Mfg. Co. [Franklin Park, IL, USA]

Click to enlarge
(members only)

TECHNICAL / MACHINE PICT.

Bally Midway MCR 68k hardware

Main CPU : Motorola 68000 (@ 7.7238 Mhz)
Sound CPU : Motorola M6809 (@ 2 Mhz)
Sound Chips : Yamaha YM2151 (@ 3.57958 Mhz), DAC (@ 3.57958 Mhz), HC55516 (@ 3.57958 Mhz)

Screen orientation : Vertical
Video resolution : 480 x 512 pixels
Screen refresh : 30.00 Hz
Palette colors : 64

Players : 1
Control : trackball
Buttons : 2

Machine Picture
(members only)

STAFF

👥

Design & Video Art : John Newcomer (JRN)
Design & Software : Bill Adams (BA)
Hardware : Cary Mednick, Glenn Shipp
Sounds & Music : Robin Seaver, Jon Hey
Graphics : Doug Watson
Cabinet : Ray Czajka, Greg Tastad
Assembly: Our Gurnee Plant
Support : Alan Lasko, Vince Massei, Soumya Netrabile, George Petro, Ben Rodriguez, Karen Trybula

Special Thanks : Steve, Ron, Laura, Ken, Wally, Juan, Deanna, Dawn, Joe, Neal, Kathy, Gene

SOURCES

🔗

ROM dump (MAME).
Machine's picture.