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  1. #1
    Banned
    Join Date: Jan:2008
    Location: In my car with wimax internet
    Posts: 613

    - =
    SBB
    A B 018h 0F9h..

    MASM?

  2. #2
    Registered abUser ike's Avatar
    Join Date: Jul:2004
    Location: sofi
    Posts: 4,965
    Code:
    SBB - Subtract with Borrow/Carry
            Usage:  SBB     dest,src
            Modifies flags: AF CF OF PF SF ZF
            Subtracts the source from the destination, and subtracts 1 extra if
            the Carry Flag is set.   Results are returned in "dest".
                                     Clocks                 Size
            Operands         808x  286   386   486          Bytes
            reg,reg           3     2     2     1             2
    
            mem,reg         16+EA   7     6     3            2-4  (W88=24+EA)
            reg,mem          9+EA   7     7     2            2-4  (W88=13+EA)
            reg,immed         4     3     2     1            3-4
            mem,immed       17+EA   7     7     3            3-6  (W88=25+EA)
    
            accum,immed       4     3     2     1            2-3
    
            1C ib SBB AL, imm8 Subtract with borrow imm8 from AL
            1D iw SBB AX, imm16 Subtract with borrow imm16 from AX
            1D id SBB EAX, imm32 Subtract with borrow imm32 from EAX
            80 /3 ib SBB r/m8,imm8 Subtract with borrow imm8 from r/m8
    
            81 /3 iw SBB r/m16,imm16 Subtract with borrow imm16 from r/m16
            81 /3 id SBB r/m32,imm32 Subtract with borrow imm32 from r/m32
            83 /3 ib SBB r/m16,imm8 Subtract with borrow sign-extended imm8 from r/m16
            83 /3 ib SBB r/m32,imm8 Subtract with borrow sign-extended imm8 from r/m32
    
            18 / r SBB r/m8,r8 Subtract with borrow r8 from r/m8
            19 / r SBB r/m16,r16 Subtract with borrow r16 from r/m16
            19 / r SBB r/m32,r32 Subtract with borrow r32 from r/m32
            1A / r SBB r8,r/m8 Subtract with borrow r/m8 from r8
            1B / r SBB r16,r/m16 Subtract with borrow r/m16 from r16
    
            1B / r SBB r32,r/m32 Subtract with borrow r/m32 from r32
    Have no fear ike iz here.
    CPU Cx486DLC@40MHz, RAM 4MB, VGA Trident 512KB, HDD Conner 160MB, Monitor 14" Color

  3. #3
    Registered User
    Join Date: Dec:2007
    Location: Sofia
    Posts: 366
    Quote Originally Posted by svet View Post
    MASM?
    e Microsoft
    http://www.microsoft.com/downloads/d...displaylang=en

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