- Things we need to configure:

	Locale

	Keyboard

	Timezone
		timedatectl show
		timedatectl --no-pager list-timezones
		timedatectl set-timezone <ZONE>

	WiFi Region
	WiFi SSID
	WiFi Passkey
	Bluetooth
	Hostname
	Password
	Volume
	Audio Internal / HDMI


- Change /boot/firmware/cmdline.txt:

console=serial0,115200 console=tty3 logo.nologo root=PARTUUID=df70021d-02 rootfstype=ext4 fsck.repair=yes rootwait quiet splash plymouth.ignore-serial-consoles cfg80211.ieee80211_regdom=US video=HDMI-A-1:640x480M@60,panel_orientation=up


- Change /boot/firmware/config.txt (add to end):

[pi4]
arm_freq=2100
gpu_freq=750
over_voltage=6

[all]
dtoverlay=audremap,pins_18_19
disable_splash=1
disable_touchscreen=1


- Tweak CPU:

sudo apt-get install cpufrequtils
echo "CPU_DEFAULT_GOVERNOR=\"performance\"" >> /etc/cpu_governor


- Hide some text:

echo > /etc/issue
echo > /etc/motd
cat <<- GETTY > /etc/systemd/system/getty@tty1.service.d/autologin.conf
	[Service]
	ExecStart=
	ExecStart=-/sbin/agetty --skip-login --nonewline --noissue --autologin ${SUDO_USER} --noclear %I $TERM
GETTY
touch .hushlogin
sudo chmod -x /etc/update-motd.d/*


- Set config options:

sudo raspi-config nonint do_update
sudo raspi-config nonint do_hostname tinydos
sudo raspi-config nonint do_boot_behaviour B2
sudo raspi-config nonint do_boot_wait 0
sudo raspi-config nonint do_audio 0       # ERRORS!
sudo raspi-config nonint do_blanking 0
sudo raspi-config nonint do_ssh 0
sudo raspi-config nonint do_rpi_connect 1
sudo raspi-config nonint do_vnc 0
sudo raspi-config nonint do_net_names 0
sudo raspi-config nonint do_wayland W1
sudo raspi-config nonint do_overscan_kms 1 0


- Install Samba:

sudo apt-get install samba samba-common-bin smbclient cifs-utils
cat <<- SAMBA >> /etc/samba/smb.conf
	[DOS]
	comment = Tiny DOS Files
	path = /home/scott/dos
	writable = yes
	browseable = yes
	public = no
SAMBA
(echo "${PASSWORD}"; echo "${PASSWORD}") | sudo smbpasswd -s -a "${SUDO_USER}"
sudo service smbd restart


- Install DOSBox Staging:

sudo apt install flatpak
flatpak remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo
flatpak install flathub io.github.dosbox-staging


- Configure DOSBox:

sed -i "s/fullscreen.\s*= false/fullscreen = true/" dos/dosbox-staging.conf
sed -i "s/fullresolution.\s*= desktop/fullresolution = 1920x1080/" dos/dosbox-staging.conf
sed -i "s/startup_verbosity.\s*= auto/startup_verbosity = quiet/" dos/dosbox-staging.conf
sed -i "s/aspect.\s*= auto/aspect = stretch/" dos/dosbox-staging.conf
sed -i "s/integer_scaling.\s*= auto/integer_scaling = off/" dos/dosbox-staging.conf
sed -i "s/viewport.\s*= fit/viewport = 80%/" dos/dosbox-staging.conf
sed -i "s/glshader.\s*= crt_auto/glshader = none/" dos/dosbox-staging.conf
sed -i "s/cycles.\s*= auto/cycles = 40000/" dos/dosbox-staging.conf
sed -i "s/capture_dir.\s*= capture/capture_dir = ~\/dos\/capture/" dos/dosbox-staging.conf
sed -i "s/phonebookfile.\s*= phonebook.txt/phonebookfile = ~\/dos\/phonebook.txt" dos/dosbox-staging.conf
sed -i "s/ipx.\s*= false/ipx = true/" dos/dosbox-staging.conf
cat <<- STARTUP >> dos/dosbox-staging.conf
    @echo off
    cls
    mount c ~/dos/c > NUL
    c:
    call dos\bootup.bat
    autoexec.bat
STARTUP


- Start on boot:

cat <<- "XINIT" > .xinitrc
	amixer -q -M sset Master 100%
	xrandr --output HDMI-1 --mode "1920x1080"
	xrandr --output HDMI-2 --same-as HDMI-1
	flatpak run io.github.dosbox-staging
XINIT

cat <<- "PROFILE" >> .profile
	# DOSBox Staging
	if [[ -z \"\${SSH_CLIENT}\" ]]; then
		startx -- -quiet -depth 24
	fi
PROFILE


- Set up DOS folder:

mkdir -p dos/c/DOS
mkdir -p dos/capture
ln -s /home/${USER}/.var/app/io.github.dosbox-staging/config/dosbox/dosbox-staging.conf dos/.
cat <<- AUTOEXEC > dos/c/AUTOEXEC.BAT
	@echo off
	PATH=C:\DOS;Z:\;Y:\DOS
	dir
AUTOEXEC
unix2dos dos/c/AUTOEXEC.BAT
echo "@c:\snafu\gets\tools\se.exe %1 %2 %3 %4 %5 %6 %7 %8 %9" > dos/c/DOS/EDIT.BAT
unix2dos dos/c/DOS/EDIT.BAT


- Modify Plymouth:

cd /usr/share/plymouth/themes/pix
sudo mv splash.png splash.png.old
sudo cp ~/splash.png splash.png
sudo sed -i "s/Plymouth.SetUpdateStatusFunction(message_callback);/#Plymouth.SetUpdateStatusFunction(message_callback);/" pix.script
sudo update-initramfs -u