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    The Intel 8086 / 8088 / 80186 / 80286 / 80386 / 80486 Instruction Set

    This HTML version of the file intel.doc from the PC Game Programmer's guide was produced by , veritasNOSPAM@comcast.net. Fancy HTML modifications are copyright © 2005 by , all rights reserved. This information is provided in the hope that it will be useful, but without any warranty; it is provided AS-IS, without even the implied warranty of fitness for a particular purpose.

    V Instructions

    VERR - Verify Read (286+ protected)
     
        Usage:  VERR    src
        Modifies flags: ZF
    
        Verifies the specified segment selector is valid and is readable
        at the current privilege level.  If the segment is readable,
        the Zero Flag is set, otherwise it is cleared.
    
                                 Clocks                 Size
        Operands         808x  286   386   486          Bytes
        reg16             -     14    10    11            3
        mem16             -     16    11    11            5
    

    VERW - Verify Write (286+ protected)
     
        Usage:  VERW    src
        Modifies flags: ZF
    
        Verifies the specified segment selector is valid and is ratable
        at the current privilege level.  If the segment is writable,
        the Zero Flag is set, otherwise it is cleared.
    
                                 Clocks                 Size
        Operands         808x  286   386   486          Bytes
        reg16             -     14    15    11            3
        mem16             -     16    16    11            5
    



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