INT 1A - PCMCIA Socket Services - GET WINDOW
        AH = 88h
        AL = adapter number
        BH = window number
Return: CF clear if successful
            AH destroyed
            BL = socket number (0-16) (0 = not assigned)
            CX = window size (bytes for I/O window, 4K units for memory window)
            DH = window attributes (see below)
            DL = access speed (only one bit set) (see AH=87h)
            SI = window base address (bytes if I/O, 4K units if memory)
            DI = card offset address (memory only, 4K units)
        CF set on error
            AH = error code (01h,11h) (see AH=80h"PCMCIA")
SeeAlso: AH=87h,AH=89h,AH=8Ah

Bitfields for window attributes:
 bit 0  memory-mapped rather than I/O-mapped
 bit 1  attribute memory rather than common (memory-mapped)
        EISA mapped (I/O)
 bit 2  enabled
 bit 3  16-bit data path
 bit 4  subdivided into pages (memory-mapped only)
 bit 5  non-specific access slot enable (EISA-mapped only)
 bits 6-7 reserved (0)

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