Air Gallet / Akuu Gallet Trainer v1.10 by alamone

Features:

• Shorten the boot up warning screen.
• Allow stage select (1P side only).
• Allow pause (2P Start to pause, 1P Start to unpause).
• Powerup anytime during pause: Press UP for full vulcan. Press A for full laser. Press B for full missile. Press C for full hunter. Press LEFT for max (5) bombs.
• Allow region change in Test Menu (Press Right + B when menu item is on "Factory Settings")

Instructions:

For NEW version:

• Copy "bp962a.u45" into the "agallet-roms" folder.
• Run "patch-new.bat".
• Output will be in "agallet-roms-modded" folder.

For OLD ("A set") version:

• Copy "u45" into the "agallet-roms" folder.
• Run "patch-old.bat".
• Output will be in "agallet-roms-modded" folder.

MAME: ZIP the patched "bp962a.u45" or "u45" rom into agallet.zip and place in your ROMS folder. You can specify the game directly (e.g. mame agalletj) to ignore CRC32 check.

PCB: Program the patched "bp962a.u45" or "u45" rom onto a blank ROM and swap onto your PCB.

Changelog:
v1.10: 12/26/2024: Patch is now compatible with old ("A set") version. Thanks to UD2.
v1.00: 9/13/2022: Initial release.