/*
 * Copyright 1993,1994,1995 Emin Gun Sirer
 * MIPSI - Mips Instruction Set Simulator.
 */

mt_vm_initialize(MIN_TEXT_ADDRESS,MAX_TEXTADDRESS,
		 MIN_DATA_ADDRESS,MAX_DATA_ADDRESS, 
		 MIN_STACK_ADDRESS,MAX_STACK_ADDRESS);

Anything within these ranges are valid.  Beyond this, it's too much 
and should die with a message saying why.