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08.05.2008 at 06:50PM PDT, ID: 23624380
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Attachment Details

Interpreting some Assembly code

Asked by thydzik in Assembly Programming Language, C Programming Language, Algorithms

Tags: Intel Assembly x86

Code some one help me with what the following code is trying to achieve

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0A84:0210 8B5E06         MOV       BX,WORD PTR [BP+06]  
0A84:0213 0307           ADD       AX,WORD PTR [BX]  
0A84:0215 135702         ADC       DX,WORD PTR [BX+02]  
0A84:0218 2D885B         SUB       AX,5B88  
0A84:021B 81DA9528       SBB       DX,2895  
0A84:021F 0146FC         ADD       WORD PTR [BP-04],AX  
0A84:0222 1156FE         ADC       WORD PTR [BP-02],DX  
0A84:0225 8B46FC         MOV       AX,WORD PTR [BP-04]  
0A84:0228 8B56FE         MOV       DX,WORD PTR [BP-02]  
0A84:022B B107           MOV       CL,07  
0A84:022D D1E0           SHL       AX,1  
0A84:022F D1D2           RCL       DX,1  
0A84:0231 FEC9           DEC       CL  
0A84:0233 75F8           JNZ       022D  
0A84:0235 8B4EFC         MOV       CX,WORD PTR [BP-04]  
0A84:0238 8B5EFE         MOV       BX,WORD PTR [BP-02]  
0A84:023B 8BF1           MOV       SI,CX  
0A84:023D B119           MOV       CL,19  
0A84:023F D1EB           SHR       BX,1  
0A84:0241 D1DE           RCR       SI,1  
0A84:0243 FEC9           DEC       CL  
0A84:0245 75F8           JNZ       023F  
0A84:0247 0BC6           OR        AX,SI  
0A84:0249 0BD3           OR        DX,BX  
0A84:024B 8946FC         MOV       WORD PTR [BP-04],AX  
0A84:024E 8956FE         MOV       WORD PTR [BP-02],DX  
0A84:0251 8B46F8         MOV       AX,WORD PTR [BP-08]  
0A84:0254 8B56FA         MOV       DX,WORD PTR [BP-06]  
0A84:0257 0146FC         ADD       WORD PTR [BP-04],AX  
0A84:025A 1156FE         ADC       WORD PTR [BP-02],DX  
0A84:025D 3346F4         XOR       AX,WORD PTR [BP-0C]  
0A84:0260 3356F6         XOR       DX,WORD PTR [BP-0A]  
0A84:0263 2346FC         AND       AX,WORD PTR [BP-04]  
0A84:0266 2356FE         AND       DX,WORD PTR [BP-02]  
0A84:0269 3346F4         XOR       AX,WORD PTR [BP-0C]  
0A84:026C 3356F6         XOR       DX,WORD PTR [BP-0A]
[+][-]08.06.2008 at 01:27AM PDT, ID: 22168109

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[+][-]08.06.2008 at 01:29AM PDT, ID: 22168120

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[+][-]08.06.2008 at 01:32AM PDT, ID: 22168131

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[+][-]08.06.2008 at 01:35AM PDT, ID: 22168146

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[+][-]08.06.2008 at 01:41AM PDT, ID: 22168170

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[+][-]08.06.2008 at 01:58AM PDT, ID: 22168240

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[+][-]08.06.2008 at 03:53AM PDT, ID: 22168785

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About this solution

Zones: Assembly Programming Language, C Programming Language, Algorithms
Tags: Intel Assembly x86
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Solution Provided By: Infinity08
Participating Experts: 3
Solution Grade: A
 
 
[+][-]08.06.2008 at 04:20PM PDT, ID: 22176225

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[+][-]08.06.2008 at 04:43PM PDT, ID: 22176338

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[+][-]08.06.2008 at 07:37PM PDT, ID: 22176994

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[+][-]08.06.2008 at 08:32PM PDT, ID: 22177180

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[+][-]08.06.2008 at 10:57PM PDT, ID: 22178205

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