#118 Motion Sensor upgrade

[Kewlio]

The Motion Sensor function in VBA allows one to play
Kirby's Tilt 'n' Tumble. However, the new game, "Mawaru!
Made in Wario", which requires the Motion Sensor
capability, is not compatible with the current
implementation of this feature. Therefore, I would like to
request that this feature be upgraded as soon as
possible.

[Jeffkong]

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Yoshi no Banyuu Inryoku (Yoshi Universal Gravitation) uses
this also.

[Damian Yerrick]

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Kirby Tilt n Tumble uses the GBC motion sensor. The GBA
motion sensor has a different register map. It'd be useful
if you could link to a publicly available description of the
Mawaru motion sensor.