Fixed-Point SQRT for TinyTapeout

Based on code here https://github.com/UDXS/hdl-vlsi-exprs/tree/master/ASQRT

Copyright (C) 2022 Davit Margarian

Licensed under Apache 2.0

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(Original readme for the template repository here)

This repo is an experiment in using Verilog source files instead of Wokwi diagrams for TinyTapeout, implementing a 5-bit PDM driver.

The Verilog flow is:

1. Fork this Repo
2. Create a wokwi project to get an ID
3. Update WOWKI_PROJECT_ID in Makefile
4. grep -rl "341154068332282450" ./src | sed -i "s/341154068332282450/YOUR_WOKWI_ID/g" from the top of the repo to find and replace all occurences of the old ID in src with yours, and rename the user_module, user_module_tb and scan_wrapper files to use your ID
5. Replace behavioural code in user_module_ID.v with your own, likewise change the testbench
6. Push changes, which triggers the GitHub Action to build the project