MFASM, the mainframe assembler emulator for IBM High Level Assembler programs, has the following restrictions and limitations: 
	 
 
	  
		-  E15 and E35 Assembler sort exits are not supported. 
		
		
- The IMS2ASM routine is not supported. 
		
		
- The Assembler debugger requires that you set the configuration variable ES_SERVER_CONSOLE=YES in any enterprise server that will be used to debug Assembler modules.