IPL file

"Initial Program Load" ?

IPL.TXT is an unique text file describing the initial files to load in a NeoGeo CD game. Read by the BIOS on startup along with the ABS, BIB and CPY files. See Game CD structure.

Format

Filename (in 8.3 format?), Bank, Offset, CRLF (0x0D, 0x0A)

Recognized files

PRG files, FIX files, SPR files, PCM files, Z80 files, PAT files, SYS files, others ?

Some IPLs end with a 0x1A byte ?

Other necessary files

What standard is this ? CD systems won't allow running games not containing these exact files and strings ?

• ABS.TXT: Abstracted by SNK corporation, 0x1A
• CPY.TXT: Copyright by SNK corporation, 0x1A
• BIB.TXT: Bibliographiced by SNK corporation, 0x1A