The support for the fourth LONG data type in AVR Simulator IDE integrated basic compiler (4-byte integers in the range 0 to 4,294,967,295) and full arithmetics (+, -, *, /, Mod) with LONG data type is an optional module that can be purchased separately, if needed.

Requires a valid AVR Simulator IDE license (personal or commercial/educational).

Site and Institution license types include the support for 32-bit data type.