72. Illegal processor instruction

72.1. Name

ILLEGAL -- Illegal processor instruction

72.2. Synopsis

        ILLEGAL

72.3. Function

This instruction forces an Illegal Instruction exception, vector number 4. All other illegal instruction bit patterns, including, but not limited to, $fxxx and $axxx, are reserved for future expansion. The hexadecimal code of this instruction is: $4AFC

72.4. Format

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

72.5. Result

        None.

72.6. See also

BKPT