129. Free stack frame created by LINK

129.1. Name

UNLK -- Free stack frame created by LINK

129.2. Synopsis

        UNLK        An

129.3. Function

This instruction does the inverse process of LINK instruction. Address register specified is moved in SP. Contents of SP is moved into address register.

129.4. Format

        -----------------------------------------------------------------
        |15 |14 |13 |12 |11 |10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
        |---|---|---|---|---|---|---|---|---|---|---|---|---|-----------|
        | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | REGISTER  |
        -----------------------------------------------------------------

        "REGISTER" indicates the number of address register, used as area
        pointer.

129.5. Result

        None.

129.6. See also

LINK