Category: <b>IBM workstation/terminal emulators</b>
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<pre><b>INT 7A - IBM 3270 Workstation Program API - Multi-DOS</b>

	AH = 09h
	BX = 8020h
	CX = 00FFh
	ES:DI -&gt; control block
	DX = ID of INDJQRY
		get environment size
	   = ID of INDJASY
		request DOS functions from workstation
	   = ID of MEMORY
		AL = function
		    01h allocate memory
		    02h deallocate memory
		    03h modify allocated size
Return: ???
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