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AH = 11h
Return:
ZF set if no keystroke available ZF clear if keystroke available AH = BIOS scan code AL = ASCII character
Notes: If a keystroke is available, it is not removed from the keyboard buffer. Unlike AH=01h, this function does not discard extended keystrokes. Some versions of the IBM BIOS Technical Reference erroneously report that CF is returned instead of ZF. INT 16/AH=09h can be used to determine whether this function is supported, but only on later model PS/2s
See Also: AH=01h - AH=09h - AH=10h - AH=21h -
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