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Altera_Forum
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10 years ago

VHDL : Problem with 4-Bit Adder and Subtractor !

Hi I want to make a 4-Bit Adder and Subtractor with VHDL I have created 1-Bit Full-Adder , XOR Gate ( for Subtract ) and a 4-Bit Adder as shown below : Full-Adder : LIBRARY ieee; USE i...
Altera_Forum's avatar
Altera_Forum
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10 years ago

Your question doesnt make a lot of sense, and your code has been posted without any carrige returns!

What exactly is the problem?