142 lines
4.1 KiB
NASM
142 lines
4.1 KiB
NASM
; /*** DO NOT EDIT - GENERATED AUTOMATICALLY ***/
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; /*** Copyright (C) 1996-2002 Markus F.X.J. Oberhumer ***/
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.386p
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.model flat
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.code
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public _lzo1c_decompress_asm
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_lzo1c_decompress_asm:
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push ebp
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push edi
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push esi
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push ebx
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push ecx
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push edx
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sub esp,0000000cH
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cld
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mov esi,+28H[esp]
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mov edi,+30H[esp]
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mov ebp,00000003H
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nop
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L3: xor eax,eax
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mov al,[esi]
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inc esi
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cmp al,20H
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jae L6
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or al,al
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je L7
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mov ecx,eax
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L4: repe movsb
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L5: mov al,[esi]
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inc esi
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cmp al,20H
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jb L9
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L6: cmp al,40H
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jb L10
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mov ecx,eax
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and al,1fH
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lea edx,-1H[edi]
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shr ecx,05H
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sub edx,eax
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mov al,[esi]
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inc esi
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shl eax,05H
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sub edx,eax
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inc ecx
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xchg esi,edx
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repe movsb
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mov esi,edx
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jmp L3
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lea esi,+0H[esi]
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L7: mov al,[esi]
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inc esi
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lea ecx,+20H[eax]
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cmp al,0f8H
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jb L4
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mov ecx,00000118H
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sub al,0f8H
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je L8
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xchg eax,ecx
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xor al,al
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shl eax,cl
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xchg eax,ecx
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L8: repe movsb
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jmp L3
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lea esi,+0H[esi]
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L9: lea edx,-1H[edi]
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sub edx,eax
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mov al,[esi]
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inc esi
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shl eax,05H
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sub edx,eax
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xchg esi,edx
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movsb
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movsb
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movsb
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mov esi,edx
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movsb
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xor eax,eax
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jmp L5
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L10: and al,1fH
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mov ecx,eax
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jne L13
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mov cl,1fH
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L11: mov al,[esi]
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inc esi
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or al,al
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jne L12
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add ecx,000000ffH
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jmp L11
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L12: add ecx,eax
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L13: mov al,[esi]
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inc esi
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mov ebx,eax
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and al,3fH
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mov edx,edi
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sub edx,eax
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mov al,[esi]
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inc esi
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shl eax,06H
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sub edx,eax
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cmp edx,edi
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je L14
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xchg edx,esi
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lea ecx,+3H[ecx]
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repe movsb
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mov esi,edx
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xor eax,eax
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shr ebx,06H
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mov ecx,ebx
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jne L4
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jmp L3
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L14: cmp ecx,00000001H
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setne al
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mov edx,+28H[esp]
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add edx,+2cH[esp]
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cmp esi,edx
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ja L17
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jb L16
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L15: sub edi,+30H[esp]
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mov edx,+34H[esp]
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mov [edx],edi
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neg eax
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add esp,0000000cH
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pop edx
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pop ecx
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pop ebx
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pop esi
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pop edi
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pop ebp
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ret
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mov eax,00000001H
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jmp L15
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L16: mov eax,00000008H
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jmp L15
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L17: mov eax,00000004H
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jmp L15
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nop
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end
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