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Simulator for Microchip's PIC microcontrollers

Gpsim is a full-featured software simulator for Microchip PIC microcontrollers.

Gpsim has been designed to be as accurate as possible. Accuracy includes the entire PIC - from the core to the I/O pins and including ALL of the internal peripherals. Thus it's possible to create stimuli and tie them to the I/O pins and test the PIC the same PIC the same way you would in the real world.

Gpsim has been designed to be as fast as possible. Real time simulation speeds of 20Mhz PICs are possible.

Gpsim has been designed to be as useful as possible. The standard simulation paradigm including breakpoints, single stepping, disassembling, memory inspect & change, have been implemented. In addition, gpsim supports many debugging features that are only available with in-circuit emulators. For example, a continuous trace buffer tracks every action of the simulator. Also, it's possible to set read and write break points on values (e.g. break if a specific value is read from or written to a register).

Package version:0.24-3


gpsim for Debian

  * There is a mailing list for linux related microchip software, check out  New versions of gpsim are announced on the list.

  - examples/modules (cited in README.MODULES) is missing as is extras.  These
    should be in 0.20.15
  - The gpsim-doc files need updating for this release but have not been.  When
    they're updated, I'll


Write me

23OCT06 - removed the contents of this because it was completely out of date.

This document needs to discuss the examples/ and regression/ subdirectories. 

Point out how the examples subdirectory illustrates some basic module features.

Point out how the regression directory while designed to preserve
gpsim's integrity also illustrates a wide variety of features. In
addition, users may



Starting with version gpsim-0.20.0, support for external modules has
been added. This allows gpsim to create a full simulation environment
that extends beyond just a PIC. It also provides for users to create
their own simulation modules without having to be aware of the
detailed internals of gpsim.

The module approach attempts to leverage off the gpsim


gpsim - Gnu Pic Simulator, a simulator for Microchip's PIC microcontrollers.


gpsim News

See the Readme files


GPSIM(1)                                                    GPSIM(1)

       gpsim - simulato


gpsim (0.24-3) unstable; urgency=low

  * modified the configuration to remove the dependency on 


2009-08-24 Borut Razem <>
	* src/14bit-registers.h, src/makefile.mingw, plat/win

Browse inside gpsim_0.24-3_i386.deb

         [DIR]DEBIAN/ (5)  65535+ mirrors
         [DIR]usr/ (3)  65535+ mirrors

Download gpsim_0.24-3_i386.deb

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