Fully agreed! If he'd made it available under GPL2 it could've even helped him since anyone who contributes is required to forward any changes...
Here's a reupload of both SegaPCReleaded.exe and PCM.CMP.
The .sha256 files are - as the name implies - SHA256 checksums of the files in UTF-8...
Considering the DRM, I have doubts on whether or not it'll function properly on platforms other than Windows.
If you don't understand the difference between "their", " there" and "they're" then your a idiot.
Separate names with a comma.