INT 15 - TopViewTopView, DESQview, TaskView, OmniView, other compatibles - "DISPEROR" - POP-UP ERROR WINDOW
	AX = 101Fh
	BX = bit fields
	    bits 0-12: number of characters to display
	    bits 13,14: which mouse button may be pressed to remove window
			 00 = either
			 01 = left
			 10 = right
			 11 = either
	    bit 15: beep if 1
	ES:DI -> text of message
	CH = width of error window (0 = default)
	CL = height of error window (0 = default)
	DX = segment of object handle
Return: BX = status: 1 = left button, 2 = right, 27 = ESC pressed
Note:	window remains on-screen until ESC or indicated mouse button is pressed