saturnng/dist/saturn48gx

#!/bin/bash -eu

cd "$(dirname "$0")" || exit 1
#CWD=$(pwd)

STATE_HOME=${XDG_STATE_HOME:-$HOME/.local/state}

STATEDIR=${STATEDIR:-$STATE_HOME/sb4xng/48gx}
mkdir -p "$STATEDIR"

if [ ! -e "$STATEDIR"/rom ]; then
    if [ ! -d ../share/sb4xng/ROMs/ ]; then
        echo "Error: No ROMs/ dir found"
        exit 1
    fi
    if [ ! -d "$STATEDIR"/../ROMs ]; then
        cp -R ../share/sb4xng/ROMs/ "$STATEDIR"/../ROMs
    fi
    make -C "$STATEDIR"/../ROMs gxrom-r
    cp "$STATEDIR"/../ROMs/gxrom-r "$STATEDIR"/rom
fi

[ ! -e "$STATEDIR"/port1 ] && dd if=/dev/zero of="$STATEDIR"/port1 bs=1k count=128
[ ! -e "$STATEDIR"/port2 ] && dd if=/dev/zero of="$STATEDIR"/port2 bs=1k count=4096

RESET=''
if [ ! -e "$STATEDIR"/ram ]; then
    RESET=--reset
fi

sb4xng --48gx --state-dir "$STATEDIR" "$RESET" "$@"