Arithmetic Operations
Binary Adder
4 Bit Ripple Carry Adder
Incrementer
How did we get the Incrementer equations?
A Subtractor
Subtractor using an Adder
Adder/Subtractor
Recall what a Comparator is...
What is logic structure for equality comparator?
Is there another Logic structure possible?
Iterative Comparator Structure
Two ways to do a Large AND function
What about “<“ (less than), “>” (greater than?)
Logic for “AgtB” (unsigned)
Iterative Implementation of AgtB
Logic Implementation
Final Comparator
PPT Slide
Alternate VHDL specification
Email: reese@erc.msstate.edu
Home Page: http://www.erc.msstate.edu/~reese
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