Is WinSpice compatible with Spice2 netlists?
When you open a Spice2 netlist, a preprocessor converts the Spice2 directives into a netlist plus a set of Spice3 commands which emulate the operation of Spice2 which has a preset order of analysis. Most directives are supported – let me know if you find any Spice2 netlists which are incompatible.