Delphi Inline Assembler

來源:互聯網
上載者:User
program Project1;{$APPTYPE CONSOLE}uses  SysUtils;var  str: string;{ Result := x + y }function add1(x, y: Integer): Integer;begin  asm    mov eax, x    add eax, y    mov @Result, eax  end;end;{ for I := 0 to Length(s) do s[i] := lower(s[i]) }function test2(s: PChar): PChar;begin  { nest asm stmts inside a normal delphi proc then registers and flag are handled by delphi }  asm    mov ebx, s    xor esi, esi  @lab1:    cmp byte ptr [ebx + esi], 0    jz @lab2    or byte ptr [ebx + esi], $20    add esi, 1    jmp @lab1  @lab2:    mov @Result, ebx  end;end;begin  str := 'dO yOu kNoWn wHaT i MeAn?';  { TODO -oUser -cConsole Main : Insert code here }  WriteLn(add1($FFFFFFFF, 2));  WriteLn(test2(PChar(str)));end.

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