Ascendancy

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Choose archive extension:

COB

• Format Type : Archive
  
• Endian Order : Little Endian
  

Format Specifications

uint32 {4}   - Number Of Files

// for each file

char {50}    - Filename (null)

// for each file

uint32 {4}   - File Offset

byte {X}     - File Data

MultiEx BMS Script

Set DUMMYL Long 50 ;
Get FILECNTL Long 0 ;
Set DUMMYL Long DUMMYL ;
Math DUMMYL *= FILECNTL ;
SavePos FILESTART 0 ;
SavePos TAILSIZEU 0 ;
Math TAILSIZEU += DUMMYL ;
Math FILECNTL -= 1 ;
Do ;
GoTo FILESTART 0 ;
GetDString FILENAME 50 0 ;
SavePos FILESTART 0 ;
GoTo TAILSIZEU 0 ;
Get FILEOFF Long 0 ;
SavePos TAILSIZEU 0 ;
Get FILESIZE Long 0 ;
Math FILESIZE -= FILEOFF ;
Log FILENAME FILEOFF FILESIZE 0 0 ;
Math EXTRCNT += 1 ;
While EXTRCNT <> FILECNTL ;
GoTo FILESTART 0 ;
GetDString FILENAME 50 0 ;
SavePos FILESTART 0 ;
GoTo TAILSIZEU 0 ;
Get FILEOFF Long 0 ;
GoTo EOF 0 ;
SavePos FILESIZE 0 ;
Math FILESIZE -= FILEOFF ;
Log FILENAME FILEOFF FILESIZE 0 0 ;

Compatible Programs

• MultiEx Commander
• Game Extractor
  

Subformats

Ascendancy has a number of proprietary formats in the COB file. All of the non-audiovisual stuff is stored as CSV. Some formats are defined below:

RAW

Raw, 22050Hz PCM audio. (I'll look up endianness and other details ASAP)

VOC

Creative VOiCE files.

SHP

Ship visuals. All little-endian Main file header:

Offset     Size      Value
0x00       4 bytes   Magic number: 0x30312E31
0x04       4 bytes   Number of ship images in file
0x08       4 bytes   Offset into file of color palette for ship 1
0x0C       4 bytes   Offset into file of image for ship 1
0x10       4 bytes   Offset into file of color palette for ship 2
0x14       4 bytes   Offset into file of image for ship 2

From: http://80.126.249.96/users/mark/public/ascendancy/documentation/shp.html

FNT

From: http://80.126.249.96/users/mark/public/ascendancy/documentation/fnt.html