file/magic/Magdir/acorn

#------------------------------------------------------------------------------
# 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