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

	AH = 09h
	BX = 8020h
	CX = 00FFh
	DX = ID of 3270EML
	AL = service
	    01h connect
	    02h disconnect
	ES:DI -&gt; control block
Return: ???
</pre>