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gpsim is a full system simulator for Microchip PIC microcontrollers originally written by Scotte Dattalo.[1] It is distributed under the GNU General Public License.

Gpsim v0 29 simulation screenshot.png
Original author(s) Scotte Dattalo
Stable release
0.29.0 / 30 August 2015; 3 years ago (2015-08-30)
Written in C++
Operating system Linux, Windows (gpsimWin32)
Available in English
Type Simulation software
License GPL v2 or later, some libraries LGPL v2 or later

gpsim has been designed for accuracy including the entire PIC - from the core to the I/O pins and including the functions of all internal peripherals. This makes it possible to create stimuli and tie them to the I/O pins and test the PIC the same way you would in the real world.[2]

The software can run natively in Windows using gpsimWin32, a port to Windows created by Borut Ražem.

See alsoEdit


  1. ^ "Simulators". GNU Pic "Free Microcontroller Software Tools". GNU PIC. Retrieved 2012-09-25.
  2. ^

External linksEdit