2023-08-06 16:12:15 +00:00
|
|
|
|
|
|
|
|
#------------------------------------------------------------------------------
|
2023-08-07 16:12:06 +00:00
|
|
|
# $File: lif,v 1.10 2021/04/26 15:56:00 christos Exp $
|
2023-08-06 16:12:15 +00:00
|
|
|
# lif: file(1) magic for lif
|
|
|
|
|
#
|
|
|
|
|
# (Daniel Quinlan <quinlan@yggdrasil.com>)
|
|
|
|
|
#
|
|
|
|
|
# Modified by: Joerg Jenderek
|
|
|
|
|
# URL: https://www.hp9845.net/9845/projects/hpdir/
|
|
|
|
|
# https://github.com/bug400/lifutils
|
|
|
|
|
# Reference: https://www.hp9845.net/9845/downloads/manuals/LIF_excerpt_64941-90906_flpRef_Jan84.pdf
|
|
|
|
|
# Note: called by TrID "HP Logical Interchange Format disk image"
|
|
|
|
|
0 beshort 0x8000
|
|
|
|
|
# GRR: line above is too general as it catches also compressed DEGAS low-res bitmap *.pc1
|
|
|
|
|
# skip many compressed DEGAS low-res bitmap *.pc1 by test for unused bytes
|
|
|
|
|
>14 beshort =0
|
|
|
|
|
# skip MUNCHIE.PC1 BOARD.PC1 ENEMIES.PC1 by test for low version number
|
|
|
|
|
>>20 ubeshort <0x0100
|
2023-08-07 16:12:06 +00:00
|
|
|
# skip DEGAS MUNCHIE.PC1 BOARD.PC1 ENEMIES.PC1 by test for ASCII like volume name
|
|
|
|
|
#>>>2 ubelong >0x2020201F
|
|
|
|
|
>>>0 use lif-file
|
2023-08-06 16:12:15 +00:00
|
|
|
0 name lif-file
|
|
|
|
|
# LIF ID
|
|
|
|
|
>0 beshort x lif file
|
|
|
|
|
!:mime application/x-lif-disk
|
|
|
|
|
# lif used by Tony Duell LIF utilities; enhanced version by Joachim Siebold use also dat; hpi used by hpdir
|
|
|
|
|
!:ext lif/hpi/dat
|
|
|
|
|
# volume label; A-Z 0-9 _ ; default are 6 spaces
|
|
|
|
|
>2 string x "%.6s"
|
|
|
|
|
# version number; 0 for systems without extensions or 1 for model 64000
|
|
|
|
|
>20 ubeshort x \b, version %u
|
|
|
|
|
# LIF identifier; 010000 for system 3000
|
|
|
|
|
>12 beshort !0x1000 \b, LIF identifier %#x
|
|
|
|
|
# directory start address in units like: 2
|
|
|
|
|
>8 ubelong x \b, directory
|
|
|
|
|
>8 ubelong !2 start address %u
|
|
|
|
|
# length of directory like: 2 4 7 10 12 14 (for model 64000) 16 18 20 24 30 50 57 77 80
|
|
|
|
|
>16 ubelong x length %u
|
|
|
|
|
# level 1 extensions
|
|
|
|
|
>20 beshort =0
|
|
|
|
|
>>24 ubequad !0 \b, for extensions %#llx...
|
|
|
|
|
>20 beshort >0
|
|
|
|
|
>>24 ubequad !0 \b, extensions %#llx...
|
|
|
|
|
# word 21-126 reserved for extensions and future use; set to nil
|
|
|
|
|
>42 ubequad !0 \b, RESERVED %#llx
|
|
|
|
|
# lif first file name for standard directory; 0xffff... means uninitialized
|
|
|
|
|
>8 ubelong 2
|
|
|
|
|
>>512 string <\xff\xff \b, 1st file %-.10s
|
|
|
|
|
|
