A locally patched version of the GNU PIC Simulator, GPSIM, to enable features needed for MoMo simulation until they are ready to be integrated upstream.
"gpsim is a full-featured software simulator for Microchip PIC microcontrollers distributed under the GNU General Public License, Version 2 or higher, and some of it's libraries under GNU Lesser General Public License, Version 2 or higher." gpsim.sourceforge.net