forked from KolibriOS/kolibrios
294 lines
5.4 KiB
NASM
294 lines
5.4 KiB
NASM
; GIF VIEWER FOR MENUET v1.0
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; Written in pure assembler by Ivushkin Andrey aka Willow
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;
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; Uses GIF_LITE 2.0
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;
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; Created: August 31, 2004
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; Last changed: August 25, 2006
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;
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; COMPILE WITH FASM
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appname equ 'GIF VIEWER'
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; input line dimensions
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INP_X equ 5 shl 16+680
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INP_Y equ 5 shl 16+16
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INP_XY equ 10 shl 16+10
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use32
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org 0x0
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db 'MENUET01'
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dd 0x01
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dd START
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dd I_END
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dd 0x400000
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dd 0x400000
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dd filename ;0x0
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dd 0x0
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include 'lang.inc'
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include '..\..\..\macros.inc' ; decrease code size (optional)
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COLOR_ORDER equ PALETTE
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GIF_SUPPORT_INTERLACED = 1
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include 'gif_lite.inc'
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START:
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cmp [filename],byte 0
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jne openfile2
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; jmp openfile2
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openfile:
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xor eax,eax
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mov [entered], eax
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mov [gif_img_count],eax
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mov esi,fn_input
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mov edi,filename
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mov ecx,[inp_pos]
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rep movsb
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stosb
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openfile2:
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mov ebx,file_info
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mov eax,70
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mcall
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cmp eax,6
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je temp
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test eax,eax
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jnz ok2
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temp:
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; cmp ebx,64
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; jbe ok2
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xor eax,eax
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mov [entered], eax
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mov esi,filename
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mov edi,fn_input
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mov ecx,256/4 ;[filename_len]
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rep movsd
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mov edi,fn_input
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mov ecx,256
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repne scasb
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sub edi,fn_input
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mov [inp_pos],edi
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; test eax,eax
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; jnz .ok2
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; cmp ebx,64
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; jbe .ok2
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mov esi,workarea
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mov edi,Image
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call ReadGIF
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test eax,eax
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jz .ok
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and [gif_img_count], 0
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.ok:
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ok2:
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and dword[img_index],0
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mov ebx,3
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mov ecx,sc
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mov edx,sizeof.system_colors
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mov eax,48
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mcall
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red:
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; *********************************************
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; ******* Ž<><C5BD>…„…‹…<E280B9>ˆ… ˆ Ž’<C5BD>ˆ‘Ž‚Š€ ŽŠ<C5BD>€ *******
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; *********************************************
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draw_window:
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mov ebx,1
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mov eax,12
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mcall
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xor eax,eax
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mov ebx,50*65536+700
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mov ecx,50*65536+500
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mov edx,[sc.work]
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or edx,0x33000000
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mov edi,title
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mcall
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call draw_input
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xor ecx,ecx
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call draw_subimage
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cmp [gif_img_count],1
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jz @f
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mov ecx,[img_index]
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call draw_subimage
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@@:
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mov ebx,2
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mov eax,12
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mcall
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still:
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cmp [gif_img_count], 1
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jbe .infinite
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mov ebx, [cur_anim_delay]
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test ebx, ebx
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jz .infinite
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mov eax, 23
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mcall
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jmp @f
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.infinite:
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mov eax, 10
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mcall
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@@:
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dec eax
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jz red
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dec eax
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jz key
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dec eax
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jz button
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mov eax,[gif_img_count]
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cmp eax,1
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je still
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inc [img_index]
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cmp eax,[img_index]
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jne redsub
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and [img_index],0
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redsub:
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mov ecx,[img_index]
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call draw_subimage
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jmp still
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key:
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mov eax,2
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mcall
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cmp ah,13
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je is_input
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jmp still
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button:
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mcall 17
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cmp ah,1
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jnz wait_input
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_close:
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or eax,-1
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mcall
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is_input: ; simple input line with backspace feature
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inc [entered] ; sorry - no cursor
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wait_input:
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call draw_input
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mov eax,10
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mcall
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cmp al,2
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jne still
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mov edi,[inp_pos]
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; mov eax,2
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mcall
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shr eax,8
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cmp al,27
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je still
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cmp al,13
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je openfile
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cmp al,8
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je backsp
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mov [fn_input+edi],al
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inc [inp_pos]
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jmp wait_input
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backsp:
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test edi,edi
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jz wait_input
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dec [inp_pos]
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jmp wait_input
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; jmp still
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;****************************************
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;******* DRAW CONTENTS OF INPUT LINE ****
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;****************************************
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draw_input:
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mov esi,0xe0e0e0
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cmp [entered],0
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jne highlight
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mov esi,0x00aabbcc
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highlight:
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mov ecx,INP_Y
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mov edx,2
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mov ebx,INP_X
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mov eax,8
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mcall
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mov ecx,0x00107a30
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mov edx,fn_input
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mov esi,[inp_pos]
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mov ebx,INP_XY
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mov eax,4
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mcall
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ret
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draw_subimage:
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cmp [gif_img_count],0
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jz .enddraw
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mov esi,Image
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mov edi,gif_inf
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call GetGIFinfo
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test eax,eax
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jz .enddraw
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mov ecx, dword [edi+GIF_info.Width-2]
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mov cx, [edi+GIF_info.Height]
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mov ebx,eax
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mov eax, [edi+GIF_info.Delay]
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mov [cur_anim_delay],eax
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mov edx, dword [edi+GIF_info.Left-2]
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mov dx, [edi+GIF_info.Top]
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add edx,5 shl 16 +25
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mov esi, 8
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mov edi, [edi+GIF_info.Palette]
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xor ebp, ebp
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mov eax, 65
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mcall
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.enddraw:
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ret
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; ‡¤¥áì 室ïâáï ¤ ë¥ ¯à®£à ¬¬ë:
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title db appname,0 ; áâப § £®«®¢ª
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inp_pos dd inp_end-fn_input
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fn_input:
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; db '/hd/1/gif/smileys/sm100000.gif'
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db '/sys/meos.gif'
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; db '/hd/1/1/tex256.gif',0
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; db '/rd/1/tex256.gif'
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inp_end:
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rb 256-(inp_end-fn_input)
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file_info:
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dd 0
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dd 0
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dd 0
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dd 0x100000;0x200000
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dd workarea;0x100000
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I_END: ; ª®¥æ ¯à®£à ¬¬ë
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filename:
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; db '/hd/1/gif/smileys/sm112000.gif',0
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; db '/hd/1/gif/test.gif',0
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; db '/hd/1/gif/explode1.gif',0
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; db '/hd/1/gif/tapeta.gif',0
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; db '/hd/1/gif/meos.gif',0
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rb 257
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;filename_len dd 0
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entered rd 1
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sc system_colors
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gif_img_count rd 1
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cur_anim_delay rd 1
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img_index rd 1
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gif_inf GIF_info
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IncludeUGlobals
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workarea rb 0x100000
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Image:
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