Extract the CD

OpenCMR2 needs the data from your own copy of Colin McRae Rally 2.0 (PC CD-ROM): the CD itself, an image of it (CMR2.ISO), or a folder with the CD's files. The game data is on the disc as plain files; the program CMR2.exe and the demo runs are inside the InstallShield cabinet (data1.hdr, data1.cab, data2.cab), which OpenCMR2 reads in place. No installation and no extraction tool is needed.

What you need

• The disc, or an image of it (CMR2.ISO, 683,599,872 bytes for the release used here).
• For a folder copy: bsdtar or 7z for the image, or copy the mounted CD.

A folder copy

mkdir -p cd
bsdtar -xf /path/to/CMR2.ISO -C cd          # or copy the mounted CD
chmod -R u+rwX cd

Running from the image works as well; the folder is only faster to work with.

For development

The reverse-engineering tools want the program as a file. tools/iscab.py lists and extracts the cabinet:

mkdir -p game
python3 tools/iscab.py cd CMR2.exe game/CMR2.exe
python3 -c "import zlib;d=open('game/CMR2.exe','rb').read();print(len(d),hex(zlib.crc32(d)))"
# 1228800 0x44c022f4
cp game/CMR2.exe cmr2.exe                   # the Ghidra copy

cd/, game/ and cmr2.exe are git-ignored. Never commit them or anything decoded from them.

Tests and tools read OPENCMR2_DATA=<dir|image> (default ./cd).