Update README.md #3

	name: wokwi_test
	# either manually started, or on a schedule
	on: [ push, workflow_dispatch ]
	jobs:
	wokwi_test:
	# ubuntu
	runs-on: ubuntu-latest
	steps:
	# need the repo checked out
	- name: checkout repo
	uses: actions/checkout@v4
	with:
	submodules: recursive

	- name: Install iverilog
	shell: bash
	run: sudo apt-get update && sudo apt-get install -y iverilog

	# Set Python up and install cocotb
	- name: Setup python
	uses: actions/setup-python@v4
	with:
	python-version: '3.11'

	- name: Install cocotb 1.8.x
	shell: bash
	run: \|
	pip install cocotb~=1.8.0
	cocotb-config --libpython
	cocotb-config --python-bin

	- name: checkout tt tools repo
	uses: actions/checkout@v4
	with:
	repository: tinytapeout/tt-support-tools
	path: tt
	ref: tt06

	# need python and requirements
	- name: setup python
	uses: actions/setup-python@v5
	with:
	python-version: '3.10'
	- run: pip install -r tt/requirements.txt

	# fetch the truth table
	- name: fetch Verilog and build config
	run: ./tt/tt_tool.py --create-user-config

	# does the wokwi project have a truthtable?
	- name: Check the truthtable exists
	id: check_files
	uses: andstor/file-existence-action@v3
	with:
	files: "src/truthtable.md"

	- name: test
	if: steps.check_files.outputs.files_exists == 'true'
	run: \|
	cd src
	make clean
	make
	# make will return success even if the test fails, so check for failure in the results.xml
	! grep failure results.xml

	- name: upload vcd
	if: success() \|\| failure()
	uses: actions/upload-artifact@v4
	with:
	name: test-vcd
	path: src/*.vcd

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