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Thread: how can i use (LOCK)

  1. Oct 23rd, 2002, 12:38 PM #1
    newDay
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    how can i use (LOCK)

    Hi
    how are u every boudy

    i tried to use the prefix ( LOCK)
    but the assembler gave me this error
    (instruction prefix not allowed)


    how can i use this inst.

    if u can
    Plz. give the source code for this inst.
    ThiS Is Me
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  2. Oct 24th, 2002, 05:16 PM #2
    CornedBee
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    LOCK can only be used with these instructions:
    BT, BTS, BTR, BTC mem, reg/imm
    XCHG reg, mem
    XCHG mem, reg
    ADD, OR, ADC, SBB, AND, SUB, XOR mem, reg/imm
    NOT, NEG, INC, DEC mem
    and only with system privileges (that is, a windows or linux app can't use it).
    All the buzzt
    CornedBee

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