#!/usr/bin/env bash
# Launch the built Atari ST example in Hatari. Defaults to PATTERN;
# pass "hello" to run HELLO instead. Hatari autostarts the .PRG via
# the --auto flag; EmuTOS (toolchains/emulators/support/emutos-512k.img)
# provides the TOS ROM since the Ubuntu hatari package does not bundle
# one.
#
#   scripts/run-atarist.sh           # runs PATTERN.PRG
#   scripts/run-atarist.sh hello     # runs HELLO.PRG

set -euo pipefail

prog=${1:-pattern}
repo=$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)
bin_dir=$repo/build/atarist/bin

case $prog in
    hello)   file=HELLO.PRG ;;
    pattern) file=PATTERN.PRG ;;
    *) echo "usage: $0 [hello|pattern]" >&2; exit 2 ;;
esac

tos=$repo/toolchains/emulators/support/emutos-512k.img

if [[ ! -f "$bin_dir/$file" ]]; then
    echo "$bin_dir/$file not built. Run 'make atarist' first." >&2
    exit 1
fi
if [[ ! -f $tos ]]; then
    echo "TOS ROM missing: $tos" >&2
    echo "run ./toolchains/install.sh (EmuTOS should have been staged)." >&2
    exit 1
fi

# Hatari's --auto needs the target on a mounted GEMDOS drive.
exec hatari \
    --tos         "$tos" \
    --harddrive   "$bin_dir" \
    --gemdos-drive C \
    --auto        "C:\\$file"