forked from KolibriOS/kolibrios
90 lines
1.4 KiB
PHP
90 lines
1.4 KiB
PHP
; ---------------------------------------------------------------------------
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; mkfloppy.inc
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; ---------------------------------------------------------------------------
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; Created by Phantom-84
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; ---------------------------------------------------------------------------
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FA_RO equ 01h
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FA_HID equ 02h
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FA_SYS equ 04h
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FA_VOL equ 08h
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FA_DIR equ 10h
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FA_ARC equ 20h
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DSTAMP equ 28C1h
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TSTAMP equ 6000h
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root_size=0
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macro reset id
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{
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local count, cur, disp, val, var
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times 511-($+511) mod 512 db 0
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if id#_size>0
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count=(id#_size+511)/512
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cur=id#_base/512-(33-2)
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repeat count
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if %=count
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val=0FFFh
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else
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val=cur+1
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end if
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if cur and 1
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val=val shl 4
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end if
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disp=(cur*3)/2
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load var word from 512+disp
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var=var or val
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store word var at 512+disp
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store word var at 10*512+disp
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cur=cur+1
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end repeat
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end if
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}
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macro dent id, name, attr
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{
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@@ db name
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times @b+11-$ db 32
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db attr
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dw 0, TSTAMP, DSTAMP, DSTAMP, 0, TSTAMP, DSTAMP
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if id#_size=0
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dw 0
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else
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dw id#_base/512-(33-2)
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end if
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if (attr) and FA_DIR
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dd 0
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else
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dd id#_size
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end if
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}
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macro orgdir id, parentid
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{
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id#_base:
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dent id, ".", FA_DIR
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dent parentid, "..", FA_DIR
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}
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macro findir id
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{
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id#_size=$-id#_base
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reset id
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}
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macro stod id, parentid
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{
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orgdir id, parentid
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id
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findir id
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}
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macro stof id, name
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{
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id#_base: file name
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id#_size=$-id#_base
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reset id
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}
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defdir fix macro |