Data on libraries were used in developing Panzer Dragoon Saga was found within analysis of file 1ST_READ.PRG file @0003dc34.
GFS_SBL v2.10 1996-02-01: Game File System Sound and Boot Loader is responsible for loading game files, playing sound effects, and booting games.
SYS v2.20 1996-08-06: System Manager responsible for managing system-level functions such as memory allocation, task scheduling, and interrupt handling.
BUP v1.21 1996-08-06: The Backup RAM Utility Program is responsible for managing the backup RAM.
CPK v1.24 1996-06-14: Cinepak-compressed video/Compression PacKage, responsible for video & compressing/decompressing data.
Added file info here: 9c989c1b8563d9fac0fa0dfa905d3754bea2813a