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Lab 20of 30
Combinational RTL Design6
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Datapath & MemoryPublished
Barrel Shifter
Shift or rotate a word by any amount in one cycle using log2 stages, and verify every amount against shift_left and rotate_left.
Intermediate~45 minSelf-checking testbench
Concepts covered
- Logarithmic stages
- Rotate vs shift
- numeric_std shift functions
- Exhaustive amounts
This lab is part of VHDL Labs
Unlock the complete lab — specification, engineering explanation, VHDL-2008 RTL, a self-checking testbench, the simulation transcript and waveform, measured design mistakes and a verification checklist — with the VHDL Labs package.
- Problem statement & specification
- Complete VHDL-2008 RTL
- Self-checking testbench
- Simulation transcript & waveform
- Measured design mistakes
- Verification checklist