This is a document for changing the High Score "High Rollers" Data of the NES Marble Madness
The details are a bit limited in the Known codes department but it explains and show cases how you can easily use the Control Codes "Hex" to changes the High Score Data for the Game.
This does include the score 666,666 code, the highest possible score 999,999 code,
those from the original game, as well as some others that I tried while updating my Hack of Marble Madness.
That should give you a good idea and starting place of how to hack the High Score Data of the game using a hex editor you do not need a table file. Best of luck.
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