Category: <b>DOS extenders</b>
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<pre><b>INT 31 - DOS32 v3.0+ - GET REAL MODE CALL BACK ADDRESS WITH RETF STACK FRAME</b>

	AX = EE20h
	ESI = offset of the real mode call back function
Return: CF clear if successful
	    CX:DX = real mode address to call up to the protected mode
		  procedure
	CF set on error
SeeAlso: AX=EE00h,AX=EE02h,AX=EE21h
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