INT 2F - SRSoft MODAL PCIBM PC v2+ - INSTALLATION CHECK / GET VERSION
	AX = AB00h
Return: AX = 5253h ('SR' byte-swapped) if installed
	    BX = MODAL PCIBM PC version (BL = major, BH = minor)
Program: MODAL PCIBM PC is an algorithm/real-system simulation package by SR Soft
	  using Petri-nets to describe simulated objects
SeeAlso: AX=AB01h"MODAL",AX=AB02h"MODAL",AX=AB06h"MODAL"