Implementation of 4-bit Arithmetic Logic Unit using structural modeling in Verilog. Features 8 operations controlled by 3-bit select line. Simulated on EDA Playground with waveform analysis.

Ripple carry 4-bit Arithmetic Logic Unit with 8 operations.

1. Open EDA Playground
2. Upload design.v and testbench.v
3. Simulator: Icarus Verilog 0.12
4. Top Module: tb_alu_4bit