INT 62 u - FGDRIVER v4.02 - "FG_PACK" - CONVERT PIXEL-PER-BYTE TO PACKED BITMAP
	AX = 0083h
	ES:BX -> variable pointer record (see #03492)
	CX = width of bitmap in pixels
	DX = height of bitmap in pixels
Return: result bitmap buffer updated
SeeAlso: AX=00CBh


Format of FGDRIVER PACK variable pointer record:
Offset	Size	Description	(Table 03492)
 00h	WORD	segment of source (mode-independent) bitmap
 02h	WORD	offset of source (mode-independent) bitmap
 04h	WORD	segment of buffer for result (mode-specific) bitmap
 06h	WORD	offset of buffer for result (mode-specific) bitmap