You can get the latest 3.20 ROM here:
https://www.marcospecialties.com/pinball-parts/EPROM2162
CPU Release Version 3.20
Changes from CPU V3.10
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- Fixed lock and eject devices to work properly with the Coil Power
setting.
CPU Release Version 3.10
Changes from CPU v3.02
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- Modified Flipper EOS timing to be compatible with newer games.
- Improved broken Shrunken Head compensation.
- Improvements to ToPS tournament system.
- Removed erroneous broken switch messages from Tech Alert.
CPU Release Version 3.02
Changes from CPU v3.01
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- New flipper drivers to increase flipper coil longevity. This was
not a problem with Ripley but was done to be consistent with other
Stern software releases.
- Fixed false broken switch reports on some switches
- Improved compensation for a broken left ramp or left ramp make switch
- Improved rules for Idol to keep the idol lit longer after pops
- Added code to pop bumpers to prevent the looping ball situation on
early production games.
- Fixed "Idol worth 1 million" bug in South America mode.
- Fixed bug when Feature Adjustment #13 was set too high
- Improved speech and lamp effects in some places
- Fixed some speech conflicts at the end of continent modes
CPU Release Version 3.01
Changes from CPU v3.00
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- More improvements to Bump 'n' Win score selection.
- Fixed some Bozo choreography that was confusing.
- Fixed some screens in Instant Info to show proper information.
- Made some improvements to playfield lamp effects
- Fixed Temple LEDs to show attract mode properly at game over
- Made specials stack on outlanes when more than 2 are lit
CPU Release Version 3.00
Changes from CPU v2.04
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- Modified Bump 'n' Win score computation to be in the correct
range given current tournament scores. Also improved selection
logic to make the game more appealing to casual players.
- Fixed pulse handling for $5 bill acceptors
- Added more extended features for expert players.
- Fixed TEAM SCORES display for 4 players
- Fixed extra ball scoring display for tournament play.
- Some improvements to display and sound choreography.
- More improvements to broken magnet and idol compensation.
CPU Release Version 2.04
Changes from CPU v2.03
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- Fixed ticket dispensing for Chuck E. Cheese games.
- More improvement to broken magnet compensation.
- Made idol extra ball slightly easier to get.
- Lowered range of possible Bump 'n' Win scores
CPU Release Version 2.03
Changes from CPU v2.01
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- Improved compensation for broken Shrunken Head and Idol devices
- Fixed glitch in score auditing table
- Added broken device reporting for the scoop and VUK
- Slight choreography improvements
- Fixed outlane sounds in multiball
CPU Release Version 2.01
Changes from CPU v2.00
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- Changed points for EB/Special given in tournament
- Fixed ticket dispenser operation
- Fixed jackpot scoring in ripoff
- Fixed locks to handle missing balls properly in tilt situations
- Fixed ? award to correctly reset itself after award
- Fixed million plus to avoid abuse in mulitball
- Fixed choreography at multiball start to sync video/sound
- Fixed eb/special calls for tournament play points
- Fixed some main Multiball jackpot choreography
CPU Release Version 2.00
Changes from CPU v1.01
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- Improved lamp displays, especially around temple awards
- Added time-delayed clear kick from lock at game over
- Major improvements to the final mode, Atlantis.
- Added some overload protection to the idol magnet
- Made ramp rollunder switches more sensitive
- Fixed some Believe It Or Not! award choreography
CPU Release Version 1.01
Changes from CPU v1.00
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- Fixed diagnostics, especially sound and knocker test
- Improved game speech in many places.
- Fixed "go backwards" in Australia and South America
- Left orbit now lights the temple gate
- Fixed lockup to handle balls that arrive during quick
multiballs.
- Adjusted mode goals slightly.
- Fixed "spinners at max" award from Bozo.
- Added DOUBLE JACKPOTS to some Believe It Or Not! awards
- Fixed status report
- Some improvments to display choreography and sequencing.