fixed point data types

simulink doesnt saturate overflows when the output reaches the representable maximum value, while "Saturate on integer overflow" is active.

as you see, i set the word lenght to 16 and slop to 2^-3 to get maximum of 4095 and minimum of -4095. but the output exceeds the limits

this happens just when i use fixed point data types.

any idea to saturate overflows when using fixed point data types?

hint: i donnt want to use Saturation blocks.