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Recommended ASM 80x86 Reference :: ASM

kuphrynkuphryn
in x86 Assembly
Hi.

I began learning ASM programming a couple of weeks ago. I really enjoy 16bit ASM programming, although I prefer C++. Nonetheless, ASM forces me to appreciate higher level level including C++. It would be nice to be able to disassembly any program and see what really goes on under the binary code.

What is a good reference book covering 16bit and 32bit 80x86 ASM programming?

Thanks,
Kuphryn
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Comments

  • DariusDarius
    [b][red]This message was edited by Darius at 2002-9-16 22:59:50[/red][/b][hr]
    : Hi.
    :
    : I began learning ASM programming a couple of weeks ago. I really enjoy 16bit ASM programming, although I prefer C++. Nonetheless, ASM forces me to appreciate higher level level including C++. It would be nice to be able to disassembly any program and see what really goes on under the binary code.
    :
    : What is a good reference book covering 16bit and 32bit 80x86 ASM programming?
    :
    : Thanks,
    : Kuphryn
    :

    The Art of Assembly (there's a DOS, Win32, and Linux version). I recommend reading the DOS version first. The Linux and Win32 versions are identical (to each other, not to the DOS version) last I checked. Anyways, the URL webster.ucr.edu.

    "We can't do nothing and think someone else will make it right."
    -Kyoto Now, Bad Religion



  • kuphrynkuphryn
    Okay. Thanks.

    Most responses I received mentionee "The Art of Assembly." I will definitely print a copy, read it, and learn about ASM via "The Art of Assembly."

    Kuphryn
  • CeltakCeltak
    I also want to learn 32-bit assmebly...
    I am an experience C++ coder, and love working in C++.. but i feel that assembly for X86 would be a nice touch to learn....

  • kuphrynkuphryn
    Yeah. ASM programming is fun. Part of the fun has to do with the fact that you know what is going on whereas with C/C++ you depend more on the compiler.

    32bit ASM should be exciting too, although I am learning 16bit ASM righ tnow.

    Kuphryn
  • kuphrynkuphryn
    What are some important differences between 16bit ASM programming and 32bit ASM programming?

    I am studying 16bit ASM because I feel it is the foundation for 32bit ASM. At least that is how programming with high-level languages work. For example, we learn C/C++ before learning Win32 API and MFC.

    Kuphryn
  • DariusDarius
    : What are some important differences between 16bit ASM programming and 32bit ASM programming?
    :
    : I am studying 16bit ASM because I feel it is the foundation for 32bit ASM. At least that is how programming with high-level languages work. For example, we learn C/C++ before learning Win32 API and MFC.
    :
    : Kuphryn
    :

    That's because you can't program Win32 API or MFC without first knowing C/C++. The same is definitely not true of 16-bit and 32-bit x86 assembly. 32-bit assembly isn't 'on top of' 16-bit assembly as MFC is a layer above C++.

    16-bit assembly is actually more difficult than 32-bit assembly (well more 'more of a pain in the ass', than 'more difficult'). Really the main difference is memory layout. 32-bit application level code usually has one giant flat memory layout.

    However, typically 32-bit application level code doesn't have direct access to the hardware. If you want to mess around with hardware (for your own entertainment and education) then typically using 16-bit DOS is easiest (the alternative would be to write device driver code).

    "We can't do nothing and think someone else will make it right."
    -Kyoto Now, Bad Religion

  • kuphrynkuphryn
    Interesting. Thanks.

    Kuphryn
  • weedsmokaweedsmoka
    Here is a link. Feel free to use it.
    http://webster.cs.ucr.edu/Page_asm/ArtofAssembly/0_ArtofAsm.html
  • kuphrynkuphryn
    Thanks.

    Kuphryn
  • emu8086emu8086
    for 16bit ASM programming you may be interested in emu8086:

    emu8086 combines an advanced source editor, assembler, disassembler, software emulator (Virtual PC) with debugger, and step by step tutorials.

    http://www.programmersheaven.com/search/download.asp?FileID=20562
  • kuphrynkuphryn
    Wow! Nice!!!

    emu8086 could be the Windows ASM editor and compiler I am searching for. Do you need MASM for emu8086 to work? How does it compare to MASM and CodeView?

    Thanks,
    Kuphryn


  • emu8086emu8086
    : Wow! Nice!!!
    :
    : emu8086 could be the Windows ASM editor and compiler I am
    : searching for.

    : Do you need MASM for emu8086 to work?

    - No, emu8086 has everything you may need, editor, assembler and
    even 8086 microprocessor simulator (this enables to see what
    happens inside CPU).

    : How does it compare to MASM and CodeView?

    - emu8086 was designed as a learning tool, it has pure Windows
    interface. See "MASM / TASM compatibility" in
    "emu8086 reference" for more info.


  • kuphrynkuphryn
    Thanks.

    I installed emu8086 and tried to compile a 16-bit ASM source code I designed using MASM 6.15 and CodeView debugger. emu8086 would not compiler it. It displayed a long list of errors.

    Is emu8086 compatible with 16-bit MASM ASM?

    Kuphryn
  • emu8086emu8086

    : Is emu8086 compatible with 16-bit MASM ASM?


    - I may say not fully compatible. May we see your source?




  • kuphrynkuphryn
    Sure. Here is one of the problem I worked on from the ASM book I studied from.

    -----
    ;-----------------------------------------------;
    ; ;
    ; ASM Code: c14pp141.asm ;
    ; Developer: Kuphryn ;
    ; Platform: x86 16bits DOS Assembly ;
    ; Compiled: September 23, 2002 - MASM 6.15 ;
    ; Misc: Calculates Fibonacci Number using ;
    ; multiple precision arithmetic. ;
    ; ;
    ;-----------------------------------------------;

    INCLUDE PCMAC.INC
    .MODEL SMALL
    .586 ; Indicates support for Pentium chip.

    .STACK 100h

    .DATA
    CR EQU 13
    LF EQU 10
    ProMsg DB CR, LF, 'Multi Precision Fibonacci', CR, LF, '$'
    NMsg DB CR, LF, 'Enter a number: $'
    FMsg DB CR, LF, 'Fib: $'
    NNum DW 0
    FibNum0 DD 0
    FibNum1 DD 0
    SumNum0 DD 0
    SumNum1 DD 0
    PreNum0 DD 0
    PreNum1 DD 0

    .CODE
    EXTRN GetDec : NEAR, PutDDec : NEAR

    Program PROC
    mov ax, @data ; Copy data address to register.
    mov ds, ax ; Copy register ax to data register.
    mov dx, OFFSET ProMsg
    mov ah, 9h ; Display text message.
    int 21h ; Call DOS.
    _PutStr NMsg ; Ask for a number to cal. Fib.
    call GetDec ; Get number input.
    mov NNum, ax
    call CalFib ; Call function to cal. Fib.
    _PutStr FMsg
    cmp FibNum1, 0
    je OutFN1
    mov eax, FibNum1
    call PutDDec

    OutFN1:
    mov eax, FibNum0
    call PutDDec

    PEnd:
    mov al, 0 ; Return 0.
    mov ah, 4ch ; Exit to DOS
    int 21h
    Program ENDP

    ;--------------;

    CalFib PROC
    CFBeg:
    cmp NNum, 0
    jl CFLess
    cmp NNum, 1
    jg CFLp
    mov ax, NNum
    mov FibNum0, eax
    jmp CFEnd

    CFLess:
    mov NNum, 0
    jmp CFEnd

    CFLp:
    mov FibNum0, 1
    sub NNum, 1
    mov cx, NNum

    CFLoop:
    mov eax, FibNum0
    add eax, PreNum0
    mov SumNum0, eax
    mov eax, FibNum1
    adc eax, PreNum1
    mov SumNum1, eax
    mov eax, FibNum0
    mov PreNum0, eax
    mov eax, FibNum1
    mov PreNum1, eax
    mov eax, SumNum0
    mov FibNum0, eax
    mov eax, SumNum1
    mov FibNum1, eax
    dec cx
    jnz CFLoop

    CFEnd:
    ret
    CalFib ENDP

    ;--------------;

    END Program
    -----

    Kuphryn
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