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+#------------------------------------------------------------------------------
+# $File: amigaos,v 1.20 2021/09/20 00:42:19 christos Exp $
+# amigaos: file(1) magic for AmigaOS binary formats:
+
+#
+# From ignatios@cs.uni-bonn.de (Ignatios Souvatzis)
+#
+0 belong 0x000003fa AmigaOS shared library
+0 belong 0x000003f3 AmigaOS loadseg()ble executable/binary
+0 belong 0x000003e7 AmigaOS object/library data
+#
+0 beshort 0xe310 Amiga Workbench
+>2 beshort 1
+>>48 byte 1 disk icon
+>>48 byte 2 drawer icon
+>>48 byte 3 tool icon
+>>48 byte 4 project icon
+>>48 byte 5 garbage icon
+>>48 byte 6 device icon
+>>48 byte 7 kickstart icon
+>>48 byte 8 workbench application icon
+>2 beshort >1 icon, vers. %d
+#
+# various sound formats from the Amiga
+# G=F6tz Waschk <waschk@informatik.uni-rostock.de>
+#
+0 string FC14 Future Composer 1.4 Module sound file
+0 string SMOD Future Composer 1.3 Module sound file
+0 string AON4artofnoise Art Of Noise Module sound file
+1 string MUGICIAN/SOFTEYES Mugician Module sound file
+58 string SIDMON\ II\ -\ THE Sidmon 2.0 Module sound file
+0 string Synth4.0 Synthesis Module sound file
+0 string ARP. The Holy Noise Module sound file
+0 string BeEp\0 JamCracker Module sound file
+0 string COSO\0 Hippel-COSO Module sound file
+# Too simple (short, pure ASCII, deep), MPi
+#26 string V.3 Brian Postma's Soundmon Module sound file v3
+#26 string BPSM Brian Postma's Soundmon Module sound file v3
+#26 string V.2 Brian Postma's Soundmon Module sound file v2
+
+# The following are from: "Stefan A. Haubenthal" <polluks@web.de>
+# Update: Joerg Jenderek
+# URL: http://fileformats.archiveteam.org/wiki/Amiga_bitmap_font
+# Reference: http://mark0.net/download/triddefs_xml.7z/defs/f/font-amiga.trid.xml
+# https://wiki.amigaos.net/wiki/Graphics_Library_and_Text
+# fch_FileID=FCH_ID=0x0f00
+0 beshort 0x0f00
+# skip some AVM powerline firmware images by check for positive number of font elements
+# https://download.avm.de/fritzpowerline/fritzpowerline-1000e-t/other/fritz.os/fritz.powerline_1000ET_01_05.image
+>2 ubeshort >0 AmigaOS bitmap font
+#!:mime application/octet-stream
+!:mime font/x-amiga-font
+!:ext font
+# struct FontContents fch_FC; 1st fc_FileName [MAXFONTPATH=256]; ~ filename "/" fc_YSize
+# like: topazb/6 suits/8 Excel/9e emerald/17 Franklin/23 DIAMONDS/60.8C
+>>4 string x "%.256s"
+# fc_YSize ~number after slash in fc_FileName; like: 6 7 8 9 11 12 16 17 21 23 45 60
+>>260 beshort x \b, fc_YSize %u
+# fch_NumEntries; number of FontContents elements like:
+# 1 (often) 2 3 (IconCondensed.font tempfont.font) 4 (Franklin.font) 6 (mcoop.font)
+>>2 ubeshort >1 \b, %u elements
+#>>2 beshort x \b, %u element
+# plural s
+#>>2 beshort !1 \bs
+# like: 6 7 8 9 11 12 16 17 21 23 45 60
+#>>262 beshort x \b, FLAGS_STYLE
+>>2 beshort >1 \b, 2nd
+# 2nd fc_FileName like: Franklin/36
+>>>264 string x "%.256s"
+>>2 beshort >2 \b, 3rd
+# 3rd fc_FileName like: Franklin/18
+>>>524 string x "%.256s"
+# URL: http://fileformats.archiveteam.org/wiki/Amiga_bitmap_font
+# Reference: https://wiki.amigaos.net/wiki/Graphics_Library_and_Text
+# http://mark0.net/download/triddefs_xml.7z/defs/f/font-amiga-var2.trid.xml
+# Note: called by TrID "Amiga bitmap Font (var.2)"
+# fch_FileID=TFCH_ID=0x0f02
+0 beshort 0x0f02
+# skip possible misidentified foo by check for positive number of font elements
+>2 ubeshort >0 AmigaOS bitmap font (TFCH)
+#!:mime application/octet-stream
+!:mime font/x-amiga-font
+!:ext font
+# struct TFontContents fch_TFC[]; 1st tfc_FileName [254]; ~ filename "/" fc_YSize
+# like: Abbey/45 XScript/75 XTriumvirate/45
+>>4 string x "%.254s"
+# tfc_TagCount; including the TAG_END tag like: 4
+>>258 ubeshort x \b, tfc_TagCount %u
+# tfc_YSize ~number after slash in tfc_FileName; like: 45 75
+>>260 beshort x \b, tfc_YSize %u
+# tfc_Style; tfc_Flags like: 8022h 8222h
+#>>262 ubeshort x \b, FLAGS_STYLE %#x
+# fch_NumEntries; number of FontContents elements like: 1 (abbey.font) 2 (xscript.font xtriumvirate.font)
+>>2 ubeshort >1 \b, %u elements
+>>2 beshort >1 \b, 2nd
+# 2nd tfc_FileName like: XScript/45 XTriumvirate/30
+>>>264 string x "%.254s"
+0 beshort 0x0f03 AmigaOS outline font
+0 belong 0x80001001 AmigaOS outline tag
+0 string ##\ version catalog translation
+0 string EMOD\0 Amiga E module
+8 string ECXM\0 ECX module
+0 string/c @database AmigaGuide file
+
+# Amiga disk types
+# display information like volume name of root block on Amiga (floppy) disk
+0 name adf-rootblock
+# block primary type = T_HEADER (value 2)
+>0x000 ubelong !2 \b, type %u
+# header_key; unused in rootblock (value 0)
+>0x004 ubelong !0 \b, header_key %u
+# high_seq; unused (value 0)
+>0x008 ubelong !0 \b, high_seq %u
+# ht_size; hash table size; 0x48 for flopies
+>0x00c ubelong !0x48 \b, hash table size %#x
+# bm_flag; bitmap flag, -1 means VALID
+>0x138 belong !-1 \b, bitmap flag %#x
+# bm_ext; first bitmap extension block (Hard disks only)
+>0x1A0 ubelong !0 \b, bitmap extension block %#x
+# name_len; volume name length; diskname[30]; volume name
+>0x1B0 pstring >\0 \b, "%s"
+# first directory cache block for FFS; otherwise 0
+>0x1F8 ubelong !0 \b, directory cache block %#x
+# block secondary type = ST_ROOT (value 1)
+>0x1FC ubelong !1 \b, sec_type %#x
+#
+0 string RDSK Rigid Disk Block
+>160 string x on %.24s
+# URL: http://fileformats.archiveteam.org/wiki/ADF_(Amiga)
+# https://en.wikipedia.org/wiki/Amiga_Fast_File_System
+# Reference: http://lclevy.free.fr/adflib/adf_info.html
+# Update: Joerg Jenderek
+# Note: created by ADFOpus.exe
+# and verified by `unadf -l TURBO_SILVER_SV.ADF`
+0 string DOS
+# skip DOS Client Message Files like IPXODI.MSG DOSRQSTR.MSG
+>3 ubyte <8 Amiga
+# https://reposcope.com/mimetype/application/x-amiga-disk-format
+!:mime application/x-amiga-disk-format
+!:ext adf
+>>3 ubyte 0 DOS disk
+>>3 ubyte 1 FFS disk
+>>3 ubyte 2 Inter DOS disk
+>>3 ubyte 3 Inter FFS disk
+# For Fastdir mode the international mode is also enabled,
+>>3 ubyte 4 Fastdir DOS disk
+>>3 ubyte 5 Fastdir FFS dis
+# called by TrID "Amiga Disk image File (OFS+INTL+DIRC)"
+>>3 ubyte 6 Inter Fastdir DOS disk
+# called by TrID "Amiga Disk image File (FFS+INTL+DIRC)"
+>>3 ubyte 7 Inter Fastdir FFS disk
+# but according to Wikipedia variants with long name support
+#>>3 ubyte 6 long name DOS disk
+#>>3 ubyte 7 long name FFS disk
+# DOES NOT only work! Partly for file size ~< FILE_BYTES_MAX=1 MiB defined in ../../src/file.h
+#>>-0 offset x \b, %lld bytes
+# Correct file size, but next lines are NOT executed
+#>>-0 offset 901120 (DD 880 KiB floppy)
+# 880 KiB Double Density floppy disk by characteristic hash table size 0x48 and T_HEADER=2
+>>0x6E00C ubelong 0x48
+>>>0x6E000 ubelong 2 (DD 880 KiB)
+# 1760 KiB High Density floppy disk (1802240 bytes) by characteristic hash table size 0x48
+>>0xDC00C ubelong 0x48
+>>>0xDC000 ubelong 2 (HD 1760 KiB)
+# Chksum; special block checksum like: 0 0x44ccf4c0 0x51f32cac 0xe33d0e7d ...
+#>>4 ubelong x \b, CRC %#x
+# Rootblock: 0 880 (often for DD and HD) 1146049280 (IMAGINE_1_0_DISK_01.ADF TURBO_SILVER_SV.ADF)
+>>8 ubelong >0 \b, probably root block %d
+# bootblock code
+>>12 quad !0 \b, bootable
+# assembler instructions: lea exp(pc),a1; moveq 25h,d0; jsr -552(a6)
+>>>12 ubequad =0x43fa003e70254eae AmigaDOS 3.0
+>>>12 default x
+>>>>12 ubequad !0x43fa003e70254eae %#llx..
+# 880 KiB Double Density floppy disk (901120 bytes)
+>>0x6E00C ubelong 0x48
+>>>0x6E000 ubelong 2
+>>>>0x6E000 use adf-rootblock
+# 1760 KiB High Density floppy disk (1802240 bytes)
+>>0xDC00C ubelong 0x48
+>>>0xDC000 ubelong 2
+>>>>0xDC000 use adf-rootblock
+# 1 MiB hard disc by test for T_HEADER=2 and header_key=0=high_seq
+>>0x80000 ubelong 2
+>>>0x80004 quad 0
+>>>>0x80000 use adf-rootblock
+# 2 MiB hard disc; only works if in ../../src/file.h FILE_BYTES_MAX is raised to 2 MiB
+#>>0x100000 ubelong x 2 MiB TEST
+#>>0x100000 ubelong 2 \b, 2 MiB hard disc rootblock
+#>>>0x100000 use adf-rootblock
+0 string KICK Kickstart disk
+
+# From: Alex Beregszaszi <alex@fsn.hu>
+0 string LZX LZX compressed archive (Amiga)
+
+# From: Przemek Kramarczyk <pkramarczyk@gmail.com>
+0 string .KEY AmigaDOS script
+0 string .key AmigaDOS script
+
+# AMOS Basic file formats
+# https://www.exotica.org.uk/wiki/AMOS_file_formats
+0 string AMOS\040Basic\040 AMOS Basic source code
+>11 byte =0x56 \b, tested
+>11 byte =0x76 \b, untested
+0 string AMOS\040Pro AMOS Basic source code
+>11 byte =0x56 \b, tested
+>11 byte =0x76 \b, untested
+0 string AmSp AMOS Basic sprite bank
+>4 beshort x \b, %d sprites
+0 string AmIc AMOS Basic icon bank
+>4 beshort x \b, %d icons
+0 string AmBk AMOS Basic memory bank
+>4 beshort x \b, bank number %d
+>8 belong&0xFFFFFFF x \b, length %d
+>12 regex .{8} \b, type %s
+0 string AmBs AMOS Basic memory banks
+>4 beshort x \b, %d banks