68 lines
2.1 KiB
Plaintext
68 lines
2.1 KiB
Plaintext
#------------------------------------------------------------------------------
|
|
# acorn: file(1) magic for files found on Acorn systems
|
|
#
|
|
|
|
# RISC OS Chunk File Format
|
|
# From RISC OS Programmer's Reference Manual, Appendix D
|
|
# We guess the file type from the type of the first chunk.
|
|
0 lelong 0xc3cbc6c5 RISC OS Chunk data
|
|
>12 string OBJ_ \b, AOF object
|
|
>12 string LIB_ \b, ALF library
|
|
|
|
# RISC OS AIF, contains "SWI OS_Exit" at offset 16.
|
|
16 lelong 0xef000011 RISC OS AIF executable
|
|
|
|
# RISC OS Draw files
|
|
# From RISC OS Programmer's Reference Manual, Appendix E
|
|
0 string Draw RISC OS Draw file data
|
|
|
|
# RISC OS new format font files
|
|
# From RISC OS Programmer's Reference Manual, Appendix E
|
|
0 string FONT\0 RISC OS outline font data,
|
|
>5 byte x version %d
|
|
0 string FONT\1 RISC OS 1bpp font data,
|
|
>5 byte x version %d
|
|
0 string FONT\4 RISC OS 4bpp font data
|
|
>5 byte x version %d
|
|
|
|
# RISC OS Music files
|
|
# From RISC OS Programmer's Reference Manual, Appendix E
|
|
0 string Maestro\r RISC OS music file
|
|
>8 byte x version %d
|
|
|
|
>8 byte x type %d
|
|
|
|
# Digital Symphony data files
|
|
# From: Bernard Jungen (bern8817@euphonynet.be)
|
|
0 string \x02\x01\x13\x13\x13\x01\x0d\x10 Digital Symphony sound sample (RISC OS),
|
|
>8 byte x version %d,
|
|
>9 pstring x named "%s",
|
|
>(9.b+19) byte =0 8-bit logarithmic
|
|
>(9.b+19) byte =1 LZW-compressed linear
|
|
>(9.b+19) byte =2 8-bit linear signed
|
|
>(9.b+19) byte =3 16-bit linear signed
|
|
>(9.b+19) byte =4 SigmaDelta-compressed linear
|
|
>(9.b+19) byte =5 SigmaDelta-compressed logarithmic
|
|
>(9.b+19) byte >5 unknown format
|
|
|
|
0 string \x02\x01\x13\x13\x14\x12\x01\x0b Digital Symphony song (RISC OS),
|
|
>8 byte x version %d,
|
|
>9 byte =1 1 voice,
|
|
>9 byte !1 %d voices,
|
|
>10 leshort =1 1 track,
|
|
>10 leshort !1 %d tracks,
|
|
>12 leshort =1 1 pattern
|
|
>12 leshort !1 %d patterns
|
|
|
|
0 string \x02\x01\x13\x13\x10\x14\x12\x0e
|
|
>9 byte =0 Digital Symphony sequence (RISC OS),
|
|
>>8 byte x version %d,
|
|
>>10 byte =1 1 line,
|
|
>>10 byte !1 %d lines,
|
|
>>11 leshort =1 1 position
|
|
>>11 leshort !1 %d positions
|
|
>9 byte =1 Digital Symphony pattern data (RISC OS),
|
|
>>8 byte x version %d,
|
|
>>10 leshort =1 1 pattern
|
|
>>10 leshort !1 %d patterns
|