Quarterback (c) 07/1987 Leland.

>>> TECHNICAL DETAILS
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Main CPU : (2x) Z80 (@ 6 Mhz)
Sound CPU : I80186 (@ 8 Mhz)
Sound Chips : (2x) AY8910 (@ 1.666666 Mhz), Custom (@ 1.666666 Mhz)
Screen orientation : Vertical
Video resolution : 240 x 320 pixels
Screen refresh : 60.00 Hz
Palette Colors : 1024
Players : 2
Control : stick
Buttons : 1

>>> GAME SERIES
---------------
1. Quarterback (1987)
2. John Elway's Team Quarterback (1988)
3. All American Football (1989)

>>> DESIGNERS / PROGRAMMERS / STAFF
-------------------------------------
Direction : John Rowe, Medo Moreno
Software : Phil Sorger, Bob Skinner, John Morgan, Steve Hostetler, Keith Gabryelski, Mike Enright
Graphics : Kevin Lydy
Sounds : David Cartt, Mike Marsh
Music : Sam Powell
Hardware : Eric Henderson, Dennis Sable, Dave Scott
Technical advisor : Patrick Curran

>>> OTHER GAME RESOURCES
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Game's rom.
Machine's picture.