How to install/use the debugger?

This is the thread to learn how to install and use debuggers for SNES, the most popular one being Geiger's Snes Debugger. It's a version of the Snes9x ROM player, downloadable here:

http://geigercount.net/crypt/gsd/snes9x1.51.ep10r2.7z

You might need the following to use it:

Microsoft Visual C++ 2005 SP1+ Redistributable Package (x86)
http://geigercount.net/crypt/vcredist_x86.exe

DirectX End-User Runtime Web Installer
http://www.microsoft.com/downloads/detai...6652cd92a3

When trying to use this program on my new PC, I get this message:

"The application has failed to start because the side by side configuration is incorrect please see the application event log or use the command line sxstrace.exe tool for more detail."

This happens, according to Google, because I don't have all the right Microsoft C++ Distributable packages installed.  Geiger's Debugger uses C++ 2005, which Microsoft tells you not to install because you already have 2010 or later.  It actually doesn't allow you to continue the installation.

Anyone know of a fix for this?

When you CAN use the program, it is your key to troubleshooting.  You setup a "execute" breakpoint to see when the game starts using an address you're worried about.  You would use a "read" breakpoint if you think the changes are palettes data.  Then you use "step in" to see one instruction at the time and follow how the game is using your code.

(Madsiur, you should probably add the Debugger to the Wiki list of Misc. Utilities for SNES.  I don't have access to edit the wiki.)