- If all assigned values are equal, then the signal is assigned the common value.
- If any assigned values are unequal, then the signal is assigned
`X`(the undefined value).

always begin if(enable1) bus = data1; end always begin if(enable2) bus = data2; endIn this case, when only one of the two enable signals is true, then the bus is equal to the corresponding data signal. If both enables are true and the data values are the same, then

2003-01-07