SunDog: Frozen Legacy

Screenshot

SunDog: Frozen Legacy is FTL Software's 1985 space trading and exploration game, where you take over a starship to build a colony for a religious sect while trading, fighting and running your ship's systems in real time. This port runs the original Atari ST game code through laanwj's p-system interpreter.

Port Details

Genres

rpg
simulation

Requirements

Porter

Cebion

Downloads

42

Last Updated

2026-10-17

Rating

None

Miscellaneous

Instructions

Copy your SunDog: Frozen Legacy v3.0 Atari ST disk image (.st or .stx, original disk layout, not the re-packed version) to ports/sundog/. An .stx image is converted automatically on first launch.

Additional Information

Notes

Thanks to Wladimir J. van der Laan for writing a p-system interpreter that runs FTL's original Atari ST SunDog code, one of the first real-time space trading games.

Copy your SunDog: Frozen Legacy v3.0 Atari ST disk image to ports/sundog/. Both a raw .st and a Pasti .stx image work; an .stx is converted to sundog.st on first launch. Use an image of the original disk, the re-packed version has a different layout and will not work.

Controls

Button Action
Left Stick / D-Pad Move mouse cursor
A Left click
B Right click (popup menu)
X (hold) Slow cursor
Start Pause / unpause
L1 Save state (sundog.sav)
R1 Load state (sundog.sav)
Select + Start Quit

Compile

apt-get install libsdl2-dev meson ninja-build
git clone https://github.com/laanwj/sundog.git
cd sundog
git apply ../patches/sundog-software-cursor.patch
meson setup --buildtype release build
ninja -C build
strip -o sundog.aarch64 build/src/sundog

STX to ST converter used by the launch script (patches/stx2st.c):

gcc -O2 -Wall -o stx2st.aarch64 patches/stx2st.c
strip stx2st.aarch64