Road Rash 2 Improvement.
!patch for "Road Rash II (UE) (REV02) [c][!].bin" / "Road Rash II (USA, Europe) (RR206)"
!not for "Road Rash II (UE) (REV00) [c][!].bin"

v1.2:
+ fixed, in rare cases gave error #4 screen.
+ fixed - music fully stops when loading race (no last note sound).
+ fixed noise in music in bike shop menu after 20-30 seconds.

v1.1:
+ fixed, in rare cases gave error #3 screen.

additions:
+ support for mp3 music with mednafen-doomday mod (put 1.mp3, 2.mp3,.. in /bgm folder where's rom).
+ support for music with sega-cd.
+ engines sound in splitscreen/mano-a-mano modes now working.
+ engines sound with music available with mp3/sega-cd.

improvements:
+ 6-buttons control - nitro by Y.
+ fixed usage of nitro for nothing (can't use if already being used).
+ code optimization - better FPS, even without overclocking.
+ up to 30 FPS in splitscreen mode in 'overclocked' emulators.
+ with higher fps rates , player's bike turns speed no longer reduces.
+ showage current fps (option).
+ every nitrobike now with 8 nitro charges.

bugfixes:
+ fixed bug in mano a mano - animation rotation of tires separated for p1/p2 instead of both use player1.
+ fixex lower screen border in splitscreen mode on PAL (hardware).
+ fixed - music fully stops when loading race (no last note sound).
+ fixed noise in music in bike shop menu after 20-30 seconds.