79. Move Address Source -> Destination

79.1. Name

MOVEA -- Source -> Destination

79.2. Synopsis

        MOVEA        <ea>,An

        Size = (Word, Long)

79.3. Function

Move the contents of the source to the destination address register. Word sized operands are sign extended to 32 bits before the operation is done.

79.4. Format

        -----------------------------------------------------------------
        |15 |14 |13 |12 |11 |10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
        |---|---|-------|-----------|---|---|---|-----------|-----------|
        | 0 | 0 |  SIZE |  ADDRESS  | 0 | 0 | 1 |    MODE   | REGISTER  |
        |   |   |       |  REGISTER |   |   |   |           |           |
        ----------------------------------------=========================
                                                      source <ea>

REGISTER
        "ADDRESS REGISTER" specifies the number of destination address
        register.

        Source <ea> specifies source operand, addressing modes allowed are:
        --------------------------------- -------------------------------
        |Addressing Mode|Mode| Register | |Addressing Mode|Mode|Register|
        |-------------------------------| |-----------------------------|
        |      Dn       |000 |No reg. Dn| |   (Abs).W     |111 |  000   |
        |-------------------------------| |-----------------------------|
        |      An *     |001 |No reg. An| |   (Abs).L     |111 |  001   |
        |-------------------------------| |-----------------------------|
        |     (An)      |010 |No reg. An| |   (d16,PC)    |111 |  010   |
        |-------------------------------| |-----------------------------|
        |     (An)+     |011 |No reg. An| |   (d8,PC,Xi)  |111 |  011   |
        |-------------------------------| |-----------------------------|
        |    -(An)      |100 |No reg. An| |   (bd,PC,Xi)  |111 |  011   |
        |-------------------------------| |-----------------------------|
        |    (d16,An)   |101 |No reg. An| |([bd,PC,Xi],od)|111 |  011   |
        |-------------------------------| |-----------------------------|
        |   (d8,An,Xi)  |110 |No reg. An| |([bd,PC],Xi,od)|111 |  011   |
        |-------------------------------| |-----------------------------|
        |   (bd,An,Xi)  |110 |No reg. An| |    #data      |111 |  100   |
        |-------------------------------| -------------------------------
        |([bd,An,Xi],od)|110 |No reg. An|
        |-------------------------------|
        |([bd,An],Xi,od)|110 |No reg. An|
        ---------------------------------
         * Word or Long only.

SIZE
        11->Word, 32 bits of address register are altered by sign extension.
        10->Long

79.5. Result

        None.

79.6. See also

MOVE LEA