Gettysburg

1) Press [Shift]+[Enter]
2) enter one of the following codes,
3) press [Enter]


Fortify everyone: Union: Hooker; Confederacy: Longstreet
Eliminate all stress: U: Hancock, C: Jackson
Increase experience: U: Mcclellan; C: Beauregard
Reset clock to start time: U: Buford; C: Stuart
Advance clock to end time: U: Sedgewick; C: Pickett
Bring in all reinforcements immediately: U: Reynolds; C: Hill
Computer vs. Computer mode (toggle): U: Halleck; C: Halleck
Rally all routed troops: U: Sheridan; C: Lee
See all troops: U: Warren; C: Hotchkiss
See enemy order of battle: U: Custer; C: Harrison

Obviously being able to see the AI fight AI is useful as is the reset clock(sincethat is what everyone wants to do it seems).
(Information from Cheat Machine)