Patch by Conn - 11th Nov 2015
v2: sram update 16th Nov 2015 

This patch is for BS Super Mario USA, works on japanese original 
as well as the translated Power Challenge rom.

Apply on NOT-headered rom!

It features:
- full emulator compatibility (snes9x, zsnes, bsnes) with Time Related Events
- artwork at the beginning is enabled
- full music support
- sram
