Emulated in MAME ! Coin-Operated Pinball
Medusa © 1981 Bally.
Bally MPU AS-2518-35 (Squawk and Talk)
Model Number : 1245
Main CPU : M6800 (@ 475 KHz)
Sound CPU : M6802 (@ 895 KHz)
Sound chips : General Instrument AY8910 (@ 895 KHz), DAC, Texas Instruments TMS5220 (@ 640 KHz)
Released in September 1981. 3,250 units were produced.
The development of this game took 8 months.
The designer's name appears on a plastic lightshield near the right drop target bank 'BY WW WELCH' (Wally Welch).
'P. BY EMIL G' appears on a plastic lightshield near the skill shot rollovers.
'MAD MAX' appears on a plastic lightshield near the '1' target.
Page last modified on September 27, 2011