Budweiser Tapper posting it's own high scores...

SHaMROCK73

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I posted this problem before and never was able to find out the problem solution. I'm going to try again.

My Budweiser Tapper posts its own high scores.

If someome plays a game and gets a score of 10400 and then enters thie initials KLV.

Then that person walks away. The game will sit idle and cycle through the attract screens.

After a while, on its own the high score entry screen will come up as if a game had just been played with again a score of 10400.

No one is there to enter initials so the intial end up being A__.

A__ is alphabetically ahead of KLV so it pushes KLV's score down the score list.


HIGH SCORES

A..................10400
KLV...............10400


Then after awhile it will do it again.


HIGH SCORES

A..................10400
A..................10400
KLV...............10400


...and again...

HIGH SCORES

A..................10400
A..................10400
A..................10400
KLV...............10400

...and again...

HIGH SCORES

A..................10400
A..................10400
A..................10400
A..................10400
KLV...............10400

It will keep doing this over and over again over time till the entire list is A__ and KLV is gone.

If someone else plays and get say a score of 17600 and enters the initials JDG. Then 17600 will become the new score that is repeated.

...and again.

HIGH SCORES

JDG...............17600
A..................10400
A..................10400
A..................10400
KLV...............10400

Then...

HIGH SCORES

A..................17600
JDG...............17600
A..................10400
A..................10400
A..................10400
KLV...............10400



Anyone have any ideas? This game was purchased from Todd Tuckey at TNT Amusements about a year ago. It has always had a modern power supply since I purchased it. Could this be the issue? I have installed a freeplay ROM chip but it did this before and after that. I will also mention that if you walk by andnotice it doing this and sitting at the high score entry screen, the controls are active and you can enter initials even though no game was played. It drives me nuts to the point I don't even want to look at it!!! LOL
 
Some initial thoughts ..
- Does anything abnormal happen just before it re-enters the initials prompt? Or does it go straight there from attract mode (with no abnormalities or other clues)?
- Does it do it after power-on, or only after a high score game has been played?
- Does the initials prompt appear randomly, or after a specific sequence / time?
- Do the contents of your ROMs match a known good set (e.g. from MAME)?

Curious issue indeed .. I would keep experimenting to see if you can get more data just before it happens (incl. patterns), or find a more direct way to reproduce the problem. Before doing much else debug, I would want to confirm the ROMs don't have a patched / bugged version of the code (since this sounds like a software-specific issue). It's always possible for HW to send the CPU into the weeds and it coincidentally ends up in that routine, but it's very unlikely (and it would almost certainly result in it returning back into the weeds and watchdog resetting).

LeChuck
 
your not running any sort of freeplay mod are you?

this seems like a "bug" in the firmware, but would give you a CRC error i would think on startup, and if it was a ram issue, i would think that would error out on startup.
 
Anyone have any ideas? This game was purchased from Todd Tuckey at TNT Amusements about a year ago. It has always had a modern power supply since I purchased it. Could this be the issue? I have installed a freeplay ROM chip but it did this before and after that. I will also mention that if you walk by andnotice it doing this and sitting at the high score entry screen, the controls are active and you can enter initials even though no game was played. It drives me nuts to the point I don't even want to look at it!!! LOL

I would start by checking the voltages on the PCB itself. Make sure you're getting all the proper voltages. Just because the PS is new doesn't mean the connectors are, and they could cause a voltage drop and your game could start acting strange...

Could also be a bad battery.
 
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The game pretty clearly does not want anyone setting a higher score than itself. :)
 
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