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Как использовать данную Функцию!   Найти похожие ветки 

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St74   (2006-01-02 19:59) [0]

Как мне при onCreate Form1 применить данную функцию к моему приложению! Подсчитать CRC32!

function CRC32(const IniCRC:Integer;Source:AnsiString):Integer;
asm
Push EBX  

Push ESI  

Push EDI  

Or EDX,EDX  

Jz @Done  

Mov ESI,EDX  

Mov ECX,[EDX-4]  

Jecxz @Done  

Lea EDI,@CRCTbl  

Mov EDX,EAX  

Xor EAX,EAX  

Cld  

@L1:  

Lodsb  

Mov EBX,EDX  

Xor EBX,EAX  

And EBX,$FF  

Shl EBX,2  

Shr EDX,8  

And EDX,$FFFFFF  

Xor EDX,[EDI+EBX]  

Dec ECX  

Jnz @L1  

Mov EAX,EDX  

@Done:  

Pop EDI  

Pop ESI  

Pop EBX  

Ret  

@CRCTbl:  

DD $00000000, $77073096, $ee0e612c, $990951ba  

DD $076dc419, $706af48f, $e963a535, $9e6495a3  

DD $0edb8832, $79dcb8a4, $e0d5e91e, $97d2d988  

DD $09b64c2b, $7eb17cbd, $e7b82d07, $90bf1d91  

DD $1db71064, $6ab020f2, $f3b97148, $84be41de  

DD $1adad47d, $6ddde4eb, $f4d4b551, $83d385c7  

DD $136c9856, $646ba8c0, $fd62f97a, $8a65c9ec  

DD $14015c4f, $63066cd9, $fa0f3d63, $8d080df5  

DD $3b6e20c8, $4c69105e, $d56041e4, $a2677172  

DD $3c03e4d1, $4b04d447, $d20d85fd, $a50ab56b  

DD $35b5a8fa, $42b2986c, $dbbbc9d6, $acbcf940  

DD $32d86ce3, $45df5c75, $dcd60dcf, $abd13d59  

DD $26d930ac, $51de003a, $c8d75180, $bfd06116  

DD $21b4f4b5, $56b3c423, $cfba9599, $b8bda50f  

DD $2802b89e, $5f058808, $c60cd9b2, $b10be924  

DD $2f6f7c87, $58684c11, $c1611dab, $b6662d3d  

DD $76dc4190, $01db7106, $98d220bc, $efd5102a  

DD $71b18589, $06b6b51f, $9fbfe4a5, $e8b8d433  

DD $7807c9a2, $0f00f934, $9609a88e, $e10e9818  

DD $7f6a0dbb, $086d3d2d, $91646c97, $e6635c01  

DD $6b6b51f4, $1c6c6162, $856530d8, $f262004e  

DD $6c0695ed, $1b01a57b, $8208f4c1, $f50fc457  

DD $65b0d9c6, $12b7e950, $8bbeb8ea, $fcb9887c  

DD $62dd1ddf, $15da2d49, $8cd37cf3, $fbd44c65  

DD $4db26158, $3ab551ce, $a3bc0074, $d4bb30e2  

DD $4adfa541, $3dd895d7, $a4d1c46d, $d3d6f4fb  

DD $4369e96a, $346ed9fc, $ad678846, $da60b8d0  

DD $44042d73, $33031de5, $aa0a4c5f, $dd0d7cc9  

DD $5005713c, $270241aa, $be0b1010, $c90c2086  

DD $5768b525, $206f85b3, $b966d409, $ce61e49f  

DD $5edef90e, $29d9c998, $b0d09822, $c7d7a8b4  

DD $59b33d17, $2eb40d81, $b7bd5c3b, $c0ba6cad  

DD $edb88320, $9abfb3b6, $03b6e20c, $74b1d29a  

DD $ead54739, $9dd277af, $04db2615, $73dc1683  

DD $e3630b12, $94643b84, $0d6d6a3e, $7a6a5aa8  

DD $e40ecf0b, $9309ff9d, $0a00ae27, $7d079eb1  

DD $f00f9344, $8708a3d2, $1e01f268, $6906c2fe  

DD $f762575d, $806567cb, $196c3671, $6e6b06e7  

DD $fed41b76, $89d32be0, $10da7a5a, $67dd4acc  

DD $f9b9df6f, $8ebeeff9, $17b7be43, $60b08ed5  

DD $d6d6a3e8, $a1d1937e, $38d8c2c4, $4fdff252  

DD $d1bb67f1, $a6bc5767, $3fb506dd, $48b2364b  

DD $d80d2bda, $af0a1b4c, $36034af6, $41047a60  

DD $df60efc3, $a867df55, $316e8eef, $4669be79  

DD $cb61b38c, $bc66831a, $256fd2a0, $5268e236  

DD $cc0c7795, $bb0b4703, $220216b9, $5505262f  

DD $c5ba3bbe, $b2bd0b28, $2bb45a92, $5cb36a04  

DD $c2d7ffa7, $b5d0cf31, $2cd99e8b, $5bdeae1d  

DD $9b64c2b0, $ec63f226, $756aa39c, $026d930a  

DD $9c0906a9, $eb0e363f, $72076785, $05005713  

DD $95bf4a82, $e2b87a14, $7bb12bae, $0cb61b38  

DD $92d28e9b, $e5d5be0d, $7cdcefb7, $0bdbdf21  

DD $86d3d2d4, $f1d4e242, $68ddb3f8, $1fda836e  

DD $81be16cd, $f6b9265b, $6fb077e1, $18b74777  

DD $88085ae6, $ff0f6a70, $66063bca, $11010b5c  

DD $8f659eff, $f862ae69, $616bffd3, $166ccf45  

DD $a00ae278, $d70dd2ee, $4e048354, $3903b3c2  

DD $a7672661, $d06016f7, $4969474d, $3e6e77db  

DD $aed16a4a, $d9d65adc, $40df0b66, $37d83bf0  

DD $a9bcae53, $debb9ec5, $47b2cf7f, $30b5ffe9  

DD $bdbdf21c, $cabac28a, $53b39330, $24b4a3a6  

DD $bad03605, $cdd70693, $54de5729, $23d967bf  

DD $b3667a2e, $c4614ab8, $5d681b02, $2a6f2b94  

DD $b40bbe37, $c30c8ea1, $5a05df1b, $2d02ef8d  

 
end;

---

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Джо ©   (2006-01-02 20:11) [1]


var
 StrStream: TStringStream;
 FileStream: TFileStream;
begin
 StrStream := TStringStream.Create ("");
 try
   FileStream := TFileStream.Create(Application.ExeName,fmOpenRead or fmShareDenyNone);
   try
     StrStream.CopyFrom(FileStream, FileStream.Size);
     // считаем CRC строки
     ShowMessageFmt ("%d",[CRC32(666, StrStream.DataString)]);
   finally
     FileStream.Free;
   end;
 finally
   StrStream.Free;
 end;
end;


---

← →
St74   (2006-01-02 20:22) [2]

При запуске выдаёт ошибку:
Нарушение доступа...

Почему!!!

---

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