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Combinational DesignPublished

Four-Bit Arithmetic Logic Unit

An op-code-driven ALU with add, subtract, logic and shift plus status flags — the datapath capstone.

Advanced~120 minSelf-checking testbench3 challenges
Concepts covered
  • Opcode decode
  • Status flags
  • Datapath integration
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
  • 3 progressive challenges
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