Int 15/AH=85h

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OS HOOK - SysReq KEY ACTIVITY (AT,PS)

AH = 85h
AL = SysReq key action (00h pressed, 01h released)
CF clear

Return:
CF clear if successful AH = 00h CF set on error AH = status (see #00496)

Notes: Called by keyboard decode routine. The default handler simply returns successfully; programs which wish to monitor the SysReq key must hook this call. The SysReq key is often labeled SysRq

See Also: INT 09

Category: Bios - Int 15h - O

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