Update to use libsdl2 #79

	name: Build Test Coverage
	on: [push, pull_request]
	jobs:
	build:
	runs-on: ubuntu-latest
	env:
	DISPLAY: :0
	steps:
	- uses: actions/[email protected]
	- name: make test
	run: \|
	sudo apt-get update
	sudo apt-get install xvfb libcunit1 libcunit1-dev libcunit1-doc
	sudo apt-get install libsdl2-dev libportmidi-dev libswscale-dev libsdl2-mixer-2.0-0 libsdl2-mixer-dev
	sudo apt-get install libavformat-dev libavcodec-dev libjpeg-dev libtiff5-dev libx11-6
	sudo apt-get install libx11-dev xfonts-base xfonts-100dpi xfonts-75dpi
	sudo apt-get install libsmpeg-dev xfonts-cyrillic
	CFLAGS="-coverage -O0 -Wall -fprofile-arcs -ftest-coverage" xvfb-run --auto-servernum make test
	gcov src/cpu.c
	gcov src/screen.c
	gcov src/keyboard.c
	gcov src/memory.c
	- name: Codecov
	uses: codecov/[email protected]
	env:
	CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

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