Int 21/AH=2Bh/CX=4149h

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AI Architects - ??? - INSTALLATION CHECK

AH = 2Bh
CX = 4149h ('AI')
DX = 413Fh ('A?')

Return:
AL <> FFh if installed

Note: Borland's TKERNEL makes this call

Category: DOS Extenders - Int 21h - A

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