Category: <b>shells/command interpreters</b>
<p>
<pre><b>INT 50 - PC Thuis Organizer Shell - CHANGE ATTRIBUTE</b>

	AX = 000Bh
	BL = new attribute
	CH,CL = row,column of upper left corner
	DH,DL = row,column of lower right corner
	DI = window handle
</pre>