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Rev 131 Rev 3013
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    ret
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    ret
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UCRC:
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UCRC:
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; in:  esi - data to calculate CRC
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; in:  esi - data to calculate CRC
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;      ecx - its length
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;      ecx - its length
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;      [CRC32] - previous CRC32
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;      [_CRC32_] - previous CRC32
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; out: [CRC32]- partial CRC32 (no pre- & post-conditioning!)
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; out: [_CRC32_]- partial CRC32 (no pre- & post-conditioning!)
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    pusha
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    pusha
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    cmp  dword[CRC32table+4],0x77073096
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    cmp  dword[CRC32table+4],0x77073096
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    je   .tbl_rdy
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    je   .tbl_rdy
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    call makeCRC
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    call makeCRC
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  .tbl_rdy:
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  .tbl_rdy:
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    mov  eax,[CRC32]
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    mov  eax,[_CRC32_]
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    not  eax
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    not  eax
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  .m1:
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  .m1:
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    movzx ebx,al
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    movzx ebx,al
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    shr  eax,8
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    shr  eax,8
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    xor  bl,[esi]
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    xor  bl,[esi]
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    xor  eax,[CRC32table+ebx*4]
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    xor  eax,[CRC32table+ebx*4]
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    inc  esi
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    inc  esi
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    loop .m1
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    loop .m1
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    not  eax
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    not  eax
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    mov  [CRC32],eax
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    mov  [_CRC32_],eax
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    popa
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    popa
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    ret
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    ret
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