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Verilog HDL Labs
Lab 10of 60
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  2. Combinational Design14

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  7. Portfolio Projects2

Combinational DesignPublished

Configurable Adder-Subtractor

One datapath that adds or subtracts under a mode bit using two's-complement and XOR inversion.

Intermediate~45 minSelf-checking testbench2 challenges
Concepts covered
  • Two's complement
  • Mode control
  • Parameterization
This lab is part of Verilog HDL Labs

Unlock the complete lab — detailed explanation, functional spec, starter and full DUT code, a commented self-checking testbench, expected outputs, waveform walkthrough, solutions and challenges — with the Verilog HDL Labs package. Use the card to get access.

  • Detailed explanation & spec
  • Complete Verilog DUT code
  • Self-checking testbench
  • Expected outputs & waveforms
  • Solutions & debugging help
  • 2 progressive challenges
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