ASMA159S

Operand must be absolute,  proper multiples of 2 or 4
Explanation
The combination of operands of a CNOP statement is not one of the
following valid combinations: 
    0,4           2,4
    0,8           2,8
    4,8           6,8
    0,16          2,16
    4,16          6,16
    8,16         10,16
   12,16         14,16

System action
The statement is ignored. However, the location counter is adjusted
to a halfword boundary.

Programmer response
Supply a valid combination of CNOP operands.

Severity
12