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Game & Watch: Super Mario Bros.

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Title Screen

Game & Watch: Super Mario Bros.

Developer: Nintendo
Publisher: Nintendo
Released internationally: November 13, 2020


CodeIcon.png This game has unused code.
TextIcon.png This game has unused text.
DebugIcon.png This game has debugging material.


So very stubbly.
This page is rather stubbly and could use some expansion.
Are you a bad enough dude to rescue this article?
Hmmm...
To do:
Check for unused graphics, clock graphics are stored before the Super Mario Bros. 2 rom and can be viewed in a hex editor.

Game & Watch: Super Mario Bros. is a special Game & Watch-style unit made to celebrate the 35th Anniversary of Super Mario Bros., containing said game, The Lost Levels, and a Mario-themed version of Ball (a concept Nintendo had already done in G&W form as Mario the Juggler, itself notable for being the last game of the original G&W series).

Much to everyone's (dull) surprise, it was only available through March 31, 2021, though at least this one having a limited run is more understandable than the other two Mario games released around the same time.

Factory Test Menu

To access the menu, power off the console by pressing the POWER button for 5 seconds, while it is plugged in, then hold Up + B, press POWER, then before the Mario Clock appears, release Up and B, and press GAME + PAUSE/SET.

After hitting this button combo, the system will cycle through the following tests:

  • Power (Eject / Insert / Current Battery Power + user confirmation)
  • Buttons (D-Pad / A / B / Face buttons)
  • RTC
  • Sound (Volume 0 / 5)
  • LCD (White / Black / Red / Green / Blue / Shade horizontal / Shade vertical)

If the test results are OK, hold B to power off. Upon booting back, the system will have its time reset to 12:00 PM.

Development Text

A few miscellaneous strings found in the internal flash.

0x17928:

printf_s: bad %s argument

0x17980:

constraint handler: bad message
(Source: Original TCRF research)