v9.1
-Add Debian package and Linux desktop metadata.
-Moved SVN repository to SourceForge.
-Fit and finish bugs in PCSpim and error parsing quoted command line arguments.
-Single stepping hung at breakpoint.
-Did not display first 4K of the stack.
- Ported PCSpim to VisualStudio 2010.
-Fixed type errors so code compiles under Linux and on x64 systems.
-Moved version information into CPU/version.h and eliminated old, ad-hoc Configure file for spim and xpsim.
