Mega Sg Jailbreak v7.7

• includes fixes from official firmware v4.7:
  • Zesenilia demo text fixed
  • Turbo Outrun graphics seem to be fixed
  • Audio pitch shifting on some games in zero delay mode fixed
• plus:
  • Fixed large SMS BIOSes not working issue
  • CJ Elephant now works properly
  • Hardball 95 "SRAM error" fixed
  • Many other minor fixes