Thread: Debug Assembly

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  1. 10-16-2014 #1
    Elyne1331
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    Debug Assembly

    Started to fool around with debug on windows 7 32bit, wanted to make simple commands to add a value to a register then subtract the value by half. By using the g command it appears nothing happened?


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  2. 10-25-2014 #2
    Harava
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    Quote Originally Posted by Elyne1331 View Post
    Started to fool around with debug on windows 7 32bit, wanted to make simple commands to add a value to a register then subtract the value by half. By using the g command it appears nothing happened?
    Nothing happened because you have the wrong syntax for g. If you want to start at 100 and execute to 103, its "g=100 103". "g 100 (103)" is just saying execute till 100, so nothing at all gets run.

    Here, take a look at this.


    Recent releases:
    CSPHv3.2



    Code:
    00F38C0E     B8 0610F300    MOV EAX, 00F31006
00F38C13     C700 208CF300  MOV DWORD PTR DS:[EAX], 00F38C20
00F38C19     EB FF          JMP SHORT 00F38C1A
00F38C1B     90             NOP
00F38C1C     0000           ADD BYTE PTR DS:[EAX],AL
00F38C1E     0000           ADD BYTE PTR DS:[EAX],AL
00F38C20     58             POP EAX
00F38C21    ^EB EB          JMP SHORT 00F38C0E
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  3. 11-11-2014 #3
    Elyne1331
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    Thanks differently will study up and see what thing I could be able to do!
    Last edited by Elyne1331; 11-11-2014 at 10:45 AM.
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