SDLPAL for 3DS v1.1

Merged new functionality from mainline repository (based on c14510f of sdlpal/sdlpal)

SDL library used: https://github.com/nbzwt/SDL-1.2-N3DS

Control:
DPAD/CPAD: move
A/START: enter
B/SELECT: escape
L: accelerate (a feature of SDL port)

Known issues:
DOSBOX/DOSBOXNEW OPL emulation not working - use MAME instead.
Audio resampler not working - set OPL samplerate equals to main samplerate.

Playable in Trad. Chinese, other version to be tested (maybe fixed).

Usage:
Please put resource file and sdlpal.cfg in "sdmc:/3ds/sdlpal".
Install CIA or use 3dsx with HBL.

SDLPAL for 3DS v1.0

All basic functions are working. SDL library used: https://github.com/nbzwt/SDL-1.2-N3DS

Control:
DPAD/CPAD: move
A/START: enter
B/SELECT: escape
L: accelerate (a feature of SDL port)

Please put resource file under "sdmc:/3ds/sdlpal" .
Note: cia file may also need HBL installed and DspFirm dumped to be run correctly.