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Rev Author Line No. Line
255 heavyiron 1 
;loading file from parameters if parametrs <> 0
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;IN
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; eax- pointer to parameters
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; ebx- pointer to path of file
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;OUT
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;value not returned
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check_loading_from_parameters:
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     cmp [eax],byte 0
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     jz no_parameters
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     ;copy file name
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     mov esi,eax
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     mov edi,ebx
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     mov ecx,256
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     rep movsb
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     ;load file in memory
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     call load_picture
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     no_parameters:
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     ret
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; load picture from file to memory
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load_picture:
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         mov eax,file_path
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	 mov ebx,[ScreenPointer]
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	 add ebx,0x10000
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	 call load_heading_of_file
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	 mov esi,[ScreenPointer]
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	 add esi,0x10000
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	 ;-------------is this BMP file ?----------------
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	 xor eax,eax
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	 mov ax,[esi]
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	 mov [type],ax
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	 cmp [type],word 'BM'
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	 jne no_bmp_file_1
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	 xor eax,eax
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	 xor ebx,ebx
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	 mov eax,[esi+18]
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	 mov ebx,[esi+22]
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	 mov [Picture_SizeX],eax
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	 mov [Picture_SizeY],ebx
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	 jmp exit_type_1
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	 no_bmp_file_1:
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	 ;-------------is this GIF file ?----------------
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	 xor eax,eax
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	 mov ax,[esi]
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	 mov [type],ax
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	 cmp [type],'GI'
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	 jne no_gif_file_1
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	 add esi,6
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	 xor eax,eax
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	 xor ebx,ebx
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	 mov ax,word[esi]
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	 mov bx,word[esi+2]
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	 mov [Picture_SizeX],eax
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	 mov [Picture_SizeY],ebx
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	 jmp exit_type_1
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	 no_gif_file_1:
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	 jmp no_unpakcing_file_1
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	 exit_type_1:
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	 ;----------------------------------------------------------
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	 ;Get momory for unpacking picture and for picture's bufers
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	 ;----------------------------------------------------------
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	 mov eax,[Picture_SizeX]
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	 mov ebx,[Picture_SizeY]
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	 imul eax,ebx
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	 lea eax,[eax+eax*2]
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	 mov ebx,[ScreenPointer]
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	 add ebx,(1200*1000*3)+50*(20*20*3)+500000
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	 mov [PointerToPicture],ebx
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	 mov [PointerToCopyPicture],ebx
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	 mov [PointerToCopyPicture2],ebx
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	 mov [PointerToEditBufer],ebx
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	 mov [PointerToSpriteBufer],ebx
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	 add [PointerToCopyPicture],eax
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	 add [PointerToCopyPicture2],eax
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	 add [PointerToCopyPicture2],eax
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	 add [PointerToEditBufer],eax
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	 add [PointerToEditBufer],eax
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	 add [PointerToEditBufer],eax
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	 add [PointerToSpriteBufer],eax
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	 add [PointerToSpriteBufer],eax
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	 add [PointerToSpriteBufer],eax
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	 add [PointerToSpriteBufer],eax
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	 call GetMemory
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	 ;----------------------------------------------------------
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	 ;--------------------Load file in memory-------------------
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	 ;----------------------------------------------------------
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	 mov eax,file_path
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	 mov ebx,[PointerToCopyPicture]
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	 add ebx,1000
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	 call load_file
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	 ;----------------------------------------------------------
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	 ;-------------------Unpacking picture----------------------
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	 ;----------------------------------------------------------
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	 mov esi,[PointerToCopyPicture]
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	 add esi,1000
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	 mov edi,[PointerToPicture]
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	 mov eax,[ScreenPointer]
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	 cmp [type],'BM'
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	 jne no_unpakcing_bmp_file_1
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	    ;BMP DECODER
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	    call bmptoimg
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	    mov [save_flag],1
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	 no_unpakcing_bmp_file_1:
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	 cmp [type],'GI'
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	 jne no_unpakcing_file_1
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	   ;GIF DECODER
552 diamond 145 
	   sub edi,8
255 heavyiron 146 
	   call ReadGIF
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	   mov [save_flag],1
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	 no_unpakcing_file_1:
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	 call MovePictureToWorkScreen
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	 mov [Scroll1CoordinatX],9
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	 mov [Scroll2CoordinatY],89
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     ret