Originally ported from nullDC to libretro in commits: 2fa562db1b46c52b663b3dd4bb33a64907357458 f8eb58ac16a9e5adf662b99be5d00729264808e0 Modified for use w/ reicast per-game configuration
Conflicts: core/hw/pvr/spg.cpp core/hw/sh4/interpr/sh4_interpreter.cpp reicast/android/src/com/reicast/emulator/MainActivity.java