~Mad Dog McCree 2

Edit Cheats 

To become Invunerable and have Unlimited Bullets

Assuming CD-ROM drive is D:

Copy D:\MADDOG2.EXE to C:\

Edit MADDOG2.EXE

Search for 26 FF 8F B8 34 (six occurances)
Change to  90 90 90 90 90 (change all six occurance)

Search for FF 8F BC 34
Change to  90 90 90 90

To start game, change to CD-ROM drive, type C:\MADDOG2