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ѧ¹ýCÓïÑÔµÄÈ˶¼ÖªµÀ£¬printfµÄ²ÎÊýÊDz»¹Ì¶¨µÄ£¬ÕâÖÖ²ÎÊýÐÎʽ½Ð×ö±ä³¤²ÎÊý¡£´øÓб䳤²ÎÊýµÄº¯Êý±ØÐëÊÇcdeclµ÷ÓÃÔ¼¶¨£¬Óɺ¯ÊýµÄµ÷ÓÃÕßÀ´Çå³ýÕ»£¬²ÎÊýÈëÕ»µÄ˳ÐòÊÇ´ÓÓÒµ½×ó¡£printfÊǸù¾Ý¸ñʽ»¯´®ÖеÄռλ±ê¼ÇÀ´²Â²âÕ»ÖеIJÎÊýµÄ¡£ÒÔϾÍÓÃDelphiÄ£ÄâÒ»¸ö¼òµ¥µÄÀàËÆprintfµÄº¯Êýsprintf¡£
type
   VA_FN = function(const par1, par2{, ...}: Pointer): Integer; cdecl varargs;
procedure CvtInt;
{ IN:
     EAX:   The integer value to be converted to text
     ESI:   Ptr to the right-hand side of the output buffer:   LEA ESI, StrBuf[16]
     ECX:   Base for conversion: 0 for signed decimal, 10 or 16 for unsigned
     EDX:   Precision: zero padded minimum field width
   OUT:
     ESI:   Ptr to start of converted text (not start of buffer)
     ECX:   Length of converted text
}
asm
         OR       CL,CL
         JNZ      @CvtLoop
@C1:     OR       EAX,EAX
         JNS      @C2
         NEG      EAX
         CALL     @C2
         MOV      AL,'-'
         INC      ECX
         DEC      ESI
         MOV      [ESI],AL
         RET
@


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