#define RCX_VariableSrc   0

The RCX variable source

Examples:

ex_HTRCXPoll.nxc, ex_HTRCXSelectDisplay.nxc, ex_HTScoutSetSensorLowerLimit.nxc, ex_HTScoutSetSensorUpperLimit.nxc, ex_MSRCXAbsVar.nxc, ex_MSRCXMulVar.nxc, ex_MSRCXPoll.nxc, ex_MSRCXSelectDisplay.nxc, ex_MSRCXSet.nxc, ex_MSRCXSetUserDisplay.nxc, ex_MSRCXSetVar.nxc, ex_MSRCXSgnVar.nxc, ex_MSScoutSetSensorLowerLimit.nxc, and ex_MSScoutSetSensorUpperLimit.nxc.