60. SAVE CoProcessor instruction (PRIVILEGED)

60.1. Name

cpSAVE -- Save coprocessor instruction        (PRIVILEGED)

60.2. Synopsis

        cpSAVE        <ea>

        No size specs.

60.3. Function

Save internal state of coprocessor.

60.4. Format

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

        CP-ID field identify coprocessor (1 to 7). If CP-ID=0,
        "line emulation F" exception is generated.

REGISTER
        <ea> field specifies place where is stored coprocessor context in
        memory.
        Allowed addressing modes are:
        --------------------------------- -------------------------------
        |Addressing Mode|Mode| Register | |Addressing Mode|Mode|Register|
        |-------------------------------| |-----------------------------|
        |      Dn       | -  |    -     | |   (Abs).W     |111 |  000   |
        |-------------------------------| |-----------------------------|
        |      An       | -  |    -     | |   (Abs).L     |111 |  001   |
        |-------------------------------| |-----------------------------|
        |     (An)      |010 |No reg. An| |   (d16,PC)    | -  |   -    |
        |-------------------------------| |-----------------------------|
        |     (An)+     |011 |No reg. An| |   (d8,PC,Xi)  | -  |   -    |
        |-------------------------------| |-----------------------------|
        |    -(An)      | -  |    -     | |   (bd,PC,Xi)  | -  |   -    |
        |-------------------------------| |-----------------------------|
        |    (d16,An)   |101 |No reg. An| |([bd,PC,Xi],od)| -  |   -    |
        |-------------------------------| |-----------------------------|
        |   (d8,An,Xi)  |110 |No reg. An| |([bd,PC],Xi,od)| -  |   -    |
        |-------------------------------| |-----------------------------|
        |   (bd,An,Xi)  |110 |No reg. An| |    #data      | -  |   -    |
        |-------------------------------| -------------------------------
        |([bd,An,Xi],od)|110 |No reg. An|
        |-------------------------------|
        |([bd,An],Xi,od)|110 |No reg. An|
        ---------------------------------

60.5. Result

        Not affected.

60.6. See also

cpRESTORE