Medusa
Screenshots










Download Details
| split set | medusa.zip 16.11k |
| merged set | medusa.7z 15.44k |
| standalone set | medusa.7z 15.44k |
Game Details
Pinball published 44 years ago:
Medusa (c) 1981 Bally.
- TECHNICAL -
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)
- TRIVIA -
Released in September 1981. 3,250 units were produced.
The development of this game took 8 months.
- TIPS AND TRICKS -
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.
- STAFF -
Design by : Wally Welch
Art by : Kevin O'Connor
- CONTRIBUTE -
Edit this entry: https://www.arcade-history.com/?&page=detail&id=5497&o=2
Medusa (c) 1981 Bally.
- TECHNICAL -
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)
- TRIVIA -
Released in September 1981. 3,250 units were produced.
The development of this game took 8 months.
- TIPS AND TRICKS -
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.
- STAFF -
Design by : Wally Welch
Art by : Kevin O'Connor
- CONTRIBUTE -
Edit this entry: https://www.arcade-history.com/?&page=detail&id=5497&o=2
Driver Details
| source | pinball/by35.cpp |
| status | preliminary |
| emulation | preliminary |
| savestate | supported |
Screen Details
Input Details
| player | 1 |
| type | keypad |
| buttons | 33 |
| directions | N/A |
Chipset Details
| name | Motorola MC6800 |
| clock | 517.58khz |
| name | Motorola MC6802 |
| clock | 3.41mhz |
| name | Speaker |
| clock | N/A |
| name | Samples |
| clock | N/A |
| name | Bally Squawk & Talk Board |
| clock | 3.41mhz |
| name | RC Filter |
| clock | N/A |
| name | AD558 DAC |
| clock | N/A |
| name | RC Filter |
| clock | N/A |
| name | TMS5200 |
| clock | 625.00khz |
| name | Speaker |
| clock | N/A |
ROM Details
| name | size | crc |
|---|---|---|
| 845-16_2.732 | 4.00k | b0fbd1ac |
| 720-53_6.732 | 4.00k | c2e92f80 |
| 845-01_3.532 | 4.00k | 32200e02 |
| 845-02_4.532 | 4.00k | ab95885a |
| 845-05_5.716 | 2.00k | 3792a812 |