INT 17 - INSET - START GETTING SCALED IMAGE

	AX = CD0Bh
	DS:SI -> ASCIZ pathname of .PIX file
	BX = number of bitplanes
	CX = number of rows in output bitmap
	DX = number of columns in output bitmap
Return: AX = status
	    0000h OK
	    FFFFh error
Note:	image is returned in strips by repeated calls to AX=CD0Ch