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Document the rotation feature.

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Tim Allen 2017-08-12 20:51:56 +10:00
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docs/notes.md
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@ -275,8 +275,37 @@ which doesn't work anyway
because it requires gyroscope hardware
that higan does not yet emulate.
Game Boy Advance rotation
-------------------------
Some Game Boy Advance homebrew games,
as well as a bonus mode in *Dr Mario + Puzzle League*,
expect the player to physically rotate the device
so the screen is tall rather than wide.
higan supports this feature with
a Rotate [hotkey](interface/higan-config.md#hotkeys).
When the user presses the Rotate hotkey,
the console's video output is rotated 90° anti-clockwise,
and the directional-pad controls are also rotated
so that (for example) pushing the button for "up"
sends the signal "right" to the emulated console,
so that the player character moves "up" on the rotated screen.
WonderSwan rotation
-------------------
TODO: The WonderSwan rotates!
The WonderSwan hardware
included multiple sets of buttons
so the player could hold the device
vertically or horizontally.
*Makaimura for WonderSwan* includes a level
that requires the player to repeatedly rotate
the device as they play.
higan supports this feature with
a Rotate [hotkey](interface/higan-config.md#hotkeys).
When the user presses the Rotate hotkey,
the console's video output is rotated 90° anti-clockwise,
and the X and Y button cluster mappings
are adjusted to match.