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AX = DE00h
BX = 4456h ("DV")
CX = 5844h ("XD")
DX = 4931h ("I1")
Return:
AL = FFh if installed (even if other registers do not match)
if BX,CX, and DX were as specified on entry,
BX = 4845h ("HE")
CX = 5245h ("RE")
DX = 4456h ("DV")
Range:
AH=C0h to AH=FFh, selected by scanning AH=DEh-FFh, then AH=C0h-DDh
Note: The XDI handler should not issue any DOS or BIOS calls, nor should it issue DESQview API calls other than those allowed from hardware ints
See Also: AX=DE02h - INT 15/AX=5400h
Category: DESQview/TopView and Quarterdeck Programs - Int 2Fh - D
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