FracMul
FracMul Multiply Fract by Fract, long, or Fixed FracMul returns the product of opA * opB. opA and...
opB are two 32-bit values. At least one of them should be formatted as a
Returns: a 32-bit value, whose format depends on that of the input parameters:
opA opB returned
Fract * Fract = Fract
long * Fract = long
Fract * long = long
Fixed * Fract = Fixed
Fract * Fixed = Fixed