X-Hacker.org- iAPx86 - <b>ltr load task register flags: not altered</b>

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LTR             Load Task Register                   Flags: Not altered

LTR source                                           CPU: 286+ Priv

        Logic   TR . source

    LTR loads the task register from the 16-bit source operand. The
    loaded task state segment (TSS) is marked busy. A task switch does
    not occur.


    LTR appears in operating system software; it is not used in
    application programs.


    Opcode      Format
    0F 00 /3    LTR  r/m16


    Length and timing
    Operands    Bytes   8088    186     286     386     486     Pentium
    r16          3                      17      23      20      10   NP
    mem16      3+d(0,2)                 19      27      20      10

See Also: STR System address registers TSS Task switch

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