Changes list:
* 20 teams with color display
* per-second time countdown
* music plays after 1st period
* minigame is disabled after 2nd period
* exhibition mode only in 1p mode, pro level
* MMC3 mapper
File: Blades of Steel (U) [!].nes
CRC32: B9BCF910
MD5: 46EE7DB0D4C3D4B77512EE1DB6F10AE1
SHA1: 1AA1E36483D766ECE1E8A72409BF12397FF262D6