Forum Discussion
Altera_Forum
Honored Contributor
8 years ago --- Quote Start --- I think Representative is correct. --- Quote End --- He is correct, if code is left as is. But Daixiwen is making the point that std_logic_(un)signed are not part of the VHDL standard, although they are supported by Quartus (and pretty much all tools). Using std_logic_unsigned goes against the spirit of VHDL. If the user wants to switch to numeric std, then the code would need to be: sr<=sr+1;