forked from KolibriOS/kolibrios
332 lines
9.6 KiB
PHP
332 lines
9.6 KiB
PHP
; Copyright (c) 2009, <Lrz>
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; All rights reserved.
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;
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; Redistribution and use in source and binary forms, with or without
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; modification, are permitted provided that the following conditions are met:
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; * Redistributions of source code must retain the above copyright
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; notice, this list of conditions and the following disclaimer.
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; * Redistributions in binary form must reproduce the above copyright
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; notice, this list of conditions and the following disclaimer in the
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; documentation and/or other materials provided with the distribution.
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; * Neither the name of the <organization> nor the
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; names of its contributors may be used to endorse or promote products
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; derived from this software without specific prior written permission.
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;
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; THIS SOFTWARE IS PROVIDED BY Alexey Teplov aka <Lrz> ''AS IS'' AND ANY
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; EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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; DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
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; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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; (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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; ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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;*****************************************************************************
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;áëîê ìàêðîñîâ ïî îáðàáîòêå ñåêöèè [loader]
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;âõîäíûå äàííûå:
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;es:di - óêàçàòåëü íà ñåêöèþ íà÷èíàþùèþñÿ ñ '[' âñòå÷àþùèþñÿ ïîñëå 0õa
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;cx - ñ÷åò÷èê êîë-âî áàéò äëÿ ïðîâåðêå â êàäðå
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;
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macro use_parse_loader
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{
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.parse_loader:
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;//////////////////
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;/ parse [loader]
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;//////////////////
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mov bx,cx ;cîõðàíèì â ðåãèñòðû çíà÷åíèÿ ñ÷åò÷èêà è óêàçàòåëÿ
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mov ax,di
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; mov word [bp-4],.start ;is alredy set, see up
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mov si,parse_loader
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mov cx,parse_loader_e - parse_loader
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repe cmpsb
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jnz error.rest_value ;öåïî÷êà íå ñîâïàëà :( ïåðåéäåì äàëåå ò.å. áóäåì ñíîâà èñêàòü))
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;ñîõðàíèì óêàçàòåëüíà loader, ÷òî áû ïîòîì áîëüøå åãî íå èñêàòü
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mov point_loader,ax
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sub bx,parse_loader_e - parse_loader ;correct cx
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add bx,cx
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mov cx,bx
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if DEBUG
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pusha
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mov si,lm_l_found
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call printplain
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popa
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end if
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;/////////////////end check [loader]. [loader] is found
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;parsing section [loader]
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;first found end section,let's found '[' -it's start next section
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;in previosly steep bx =cx we are not need save cx, save only di - point
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mov dx,di
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@@:
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call get_firs_sym
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jcxz .loader_f_end ;.end_loader ; end äàæå åñëè ìû íå íàøëè ñåêöèþ ïðåäïîëîæèì ÷òî ñåêöèÿ [loader] ñòîèò â êîíöå
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cmp al,'['
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jnz @b
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.loader_f_end:
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sub bx,cx ;bx = n byte presend in section [loader]
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mov di,dx ;restore di
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;////////////////parse parametrs in section [loader]
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;//timeout=5
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;//default=main
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; mov di,dx ;set pointer on section [loader] i think it's not need
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mov cx,bx ;set counter for parsing section [loader] cx= êîë-âó ñèìâîëîâ â ñåêöèè [loader]
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mov ret_on_ch,.get_next_str ; return point
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;;;;;;; parse timeout & default
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.get_next_str:
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call get_firs_sym ;get first symbol on new line
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test cx,cx
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jz .end_loader
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; jcxz .end_loader ;çàâåðøåíèå ïàðñèíãà çíà÷åíèé timeout & default
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cmp al,'t'
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jz .loader_timeout
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cmp al,'d'
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jnz .get_next_str
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;//////[loader].default
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;input di point to data cx=size [loader]
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mov bx,cx
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mov ax,di
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mov si,parse_l_default
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mov cx,parse_l_default_e - parse_l_default
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repe cmpsb
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jnz error.rest_value ;is not compare öåïî÷êà íå ñîâïàëà
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sub bx,parse_l_default_e - parse_l_default ;correct cx
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add bx,cx
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mov cx,bx
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test status_flag,flag_found_default
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jz .correct_is_not_set
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mov si,found_equal_default ;ìû íàøëè ÷òî ôëàã óæå óñòàíîâëåí, èíôîðìèðóåì
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call printplain
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jmp .get_next_str
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.correct_is_not_set:
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mov ax,0x3d20 ;cut al=' ' ah='='
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repe scasb
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test cx,cx
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jz .end_loader
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cmp ah,byte [es:di-1] ;find '='
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jnz .get_next_str
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repe scasb ;cut ' '
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inc cx
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dec di
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;ñåé÷àñ es:di óêàçûâàþò íà íàçâàíèå ñåêöèè, èìÿ ñåêöèè ïî äåôîëòó íå äîëæíî áûòü loader ò.å. èíà÷å âîçìîæíî çàöèêëèâàíèå
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;óñòàíîâèì óêàçàòåëü si íà ýòî çíà÷åíèå è ñíà÷àëà ïðîâåðèì
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;ïîëó÷åíèå äëèííû ñåêöèè
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; cx=bx ñîäåðæèò äëèííó îñòàòêà ñåêöèè
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; di=ax óêàçàòåëü íà òåêóùèþ ñåêöèþ
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mov bx,cx
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mov dx,di
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@@: mov al,byte [es:di]
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inc di
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dec cx
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test cx,cx
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jz error.error_get_size_d_sect ;ïåðåõîä íà îáðàáîòêó îøèáêè ïî íàõîæäåíèþ äëèíû äåôîëòíîé ñåêöèè
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cmp al,' '
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jz @b
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cmp al,0xd
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jz .found_size_d_sect
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cmp al,0xa
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jnz @b
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.found_size_d_sect:
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;
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inc cx ;correct cx
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mov ax,bx
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sub bx,cx ; â bx äëèíà ñåêöèè êîòîðàÿ îïðåäåëåíà ïî äåôîëòó
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mov save_cx_d,bx
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mov di,dx
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mov cx,bx ;set size default section
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;ïðîâåðêà íà =loader
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;save in reg point and ñ÷åò÷èê
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;check on loader
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mov bx,ax
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mov ax,dx
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mov si,parse_loader
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inc si ;set only loader and 6 char in counter
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repe cmpsb
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jnz .check_section ;öåïî÷êà íå ñîâïàëà :( ïåðåéäåì äàëåå )) çíà÷èò íå èñêëþ÷åíèå
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jmp error.default_eq_loader ;error êðèòè÷åñêàÿ îøèáêà ò.å. â äåôîëòå ïðèñóòñòâóåò èìÿ [loader]
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.check_section: ;ïîèñê ñîîòâåòñòâóþùåé ñåêöèè íàì íóæíî áóäåò óçíàòü àäðåñ ýòîé ñåêöèè
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mov cx,bx
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mov di,ax
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;/////////////////////////////
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; mov ret_on_ch,.start_d ;set return
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mov si,di ;óñòàíîâèì óêàçàòåëü íà íàøó ñåêöèþ, êîòîðàÿ ïî äåôîëòó
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push di ;save point di
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push cx ;save cx
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;óñòàíîâèì óêàçàòåëü es:di íà íà÷àëî ini ôàéëà
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mov cx,save_cx ;it's placed size of ini file
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les di,dword [file_data]
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mov al,byte [es:di]
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push word .first_ret_d
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cmp al,' '
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jz .first_sp_1_d
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jmp get_firs_sym.not_space
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.first_sp_1_d:
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jmp get_firs_sym.first_sp
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.start_d:
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call get_firs_sym ;get first symbol on new line
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.first_ret_d: ;ïåðâûé âîçâðàò
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jcxz .correct_exit ;.end_loader ;found or not found parametrs in section exit in section
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cmp al,'['
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jz .found_sect_d
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jmp .start_d
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;ïðîñìàòðèâàåì ini ôàéë ñ íà÷àëà â ïîèñêàõ ñåêöèè óêàçàíîé êàê default
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;èäåò ïðîâåðêà íà íàëè÷åå çíà÷åíèÿ timeout, äëÿ áîëåå áûñòðîé ðàáîòû, ýòîò ïàðàìåòð äîëæåí áûòü óæå îáðàáîòàí,ò.å. â ýòîì ñëó÷àå ïðè åãî =0 áóäåò ñôîðìèðîâàí óêàçàòåëü òîëüêî íà äåôîëòíóþ ñåêöèþ, èíà÷å èíôîðìàöèÿ áóäåò ñîáðàíà ïî âñåì ñåêöèÿì è ñîñòàâëåíû óêàçàòåëè â áëîêå ïàìÿòè
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.found_sect_d:
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;check on name section
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mov bx,cx
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mov ax,di
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push si ;save point
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; mov si,parse_loader
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mov cx,save_cx_d ;load size section
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push es
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pop ds
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inc di
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repe cmpsb
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push cs
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pop ds
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pop si
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jnz .not_compare_d_s ;öåïî÷êà íå ñîâïàëà :( ïåðåéäåì äàëåå )) çíà÷èò íå èñêëþ÷åíèå
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cmp byte[es:di],']'
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jnz .not_compare_d_s ;íåò â êîíöå íàøåé ñåêöèè çàâåðøàþùåãî ñèìâîëà :(
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;set flag -we have found default -not enter again in this prosedure
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or status_flag,flag_found_default
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pop cx
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pop di
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mov point_default,ax ;point to [
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if DEBUG
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pusha
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mov si,lm_lf_default_f
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call printplain
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popa
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end if
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jmp .get_next_str
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.not_compare_d_s:
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mov cx,bx
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mov di,ax
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jmp .start_d
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.correct_exit:
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pop cx ;âîññòàíîâèì çíà÷åíèå ñ÷åò÷èêà
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pop di
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if DEBUG
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pusha
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mov si,lm_lf_default
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call printplain
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popa
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end if
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jmp .get_next_str
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;//////////[loader].timeout
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.loader_timeout:
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mov bx,cx
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mov ax,di
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mov si,parse_l_timeout
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mov cx,parse_l_timeout_e - parse_l_timeout
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repe cmpsb
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jnz error.rest_value ;is not compare
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sub bx,parse_l_timeout_e - parse_l_timeout ;correct cx
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add bx,cx
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mov cx,bx
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test status_flag,flag_found_timeout
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jz .correct_is_not_set_t
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mov si,found_equal_timeout ;ìû íàøëè ÷òî ôëàã óæå óñòàíîâëåí, èíôîðìèðóåì
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call printplain
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jmp .get_next_str
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.correct_is_not_set_t:
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mov ax,0x3d20 ;cut al=' ' ah='='
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repe scasb
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jcxz .timeout_sec_end_d ;not found param timeout
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cmp ah,byte [es:di-1] ;find '='
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jnz .get_next_str
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repe scasb ;cut ' '
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inc cx
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dec di
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;get timeout value
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;2 çíàêa ìîæåò áûòü îáðàáîòàíî ò.å. çíà÷åíèå îò 0 äî 99 ñåêóíä
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push cx
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xor bx,bx
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mov cx,2
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@@: mov al,byte [es:di]
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cmp al,'0'
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jb .end_get_val_t
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cmp al,'9'
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ja .end_get_val_t
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imul bx,10
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xor al,0x30
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add bl,al
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.end_get_val_t:
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inc di
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loop @b
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mov word [value_timeout],bx
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; pop cx
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if DEBUG
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pusha
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mov si,lm_lf_timeout
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call printplain
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popa
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end if
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jmp @f
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.timeout_sec_end_d:
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mov word [value_timeout],default_timeout_value
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mov si,set_default_timeout_val
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call printplain
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@@: pop cx
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jmp .get_next_str
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;///////here end block loader
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.end_loader:
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if DEBUG
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pusha
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mov si,lm_l_end
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call printplain
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popa
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end if
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} |