Dig Dug Dedicated High Score when powering on / off doesn't save ?

[mrclean]

I thought Dig Dug was a game that automatically saved the High score when you turned off the machine, I noticed that It reset it self. ? I just want to know if it's supposed to save the High score what can I do to fix it outside of a save kit. I coulda sworn this game keeps the High Scores just like centipede.

[RayB]

First thing I'd do is read the manual to confirm this feature and what kind of tech it uses (if present).

[CheffoJeffo]

Hopefully useful info from our friend jrok:

    DIG DUG
    By default Dig Dug will save high scores, however, to do this it used an EAROM, ( Electronically Alter Read Only Memory, I guess these were a pre-cursor to EEPROMs ??) anyway.. these parts required -29 volts to alter their contents and, worst of all, they're really hard to find these days. So a plan was formed to build a modern replacement, lacking datasheets and only having an overview of how thing worked and board schematics I started to build a prototype replacement.....

    Pics of the proto-board are here, it was pretty special...

    Click for the pics Dig Dug EAROM replacement board.

    Current status is that the board is being tested with some of the other Atari games which used the ER-2055 EAROM. Hopefully I've duplicated the ER-2055 'sufficiently' so it'll work as a straight drop in replacement as with Dig Dug.

    The other BIG advantage of this board is that is DOES NOT need the -29v supply, it runs of a regular 5v single supply. This is great if you have a JAMMAtized dig dug boardset, it'll allow the scores to be saved !!

http://www.jrok.com/sohs/savehs.html

[mrclean]

Yeah that's exactly what I would need .. good to know it's pretty easy and not that expensive. I think it's really last on my priority list, I first need to track down a glass bezel for the game. No one seems to want to ship glass.