The Sony PlayStation 1 was a pioneer in using CD-ROM technology for gaming, which allowed for massive storage capacity compared to the cartridges of the era. However, this transition introduced a problem: . Developers often duplicated assets across the disc to reduce seek times on slow CD drives, making raw disc images (usually in .bin or .cue formats) quite large—often up to 700MB.
It sounds like you stumbled upon a post discussing the technical "magic" behind making PlayStation 1 (PSX) games incredibly small while keeping them playable. It is a genuinely interesting topic because it highlights the difference between and how the hardware actually reads that data . psx highly compressed roms fixed