Actual assembly question

[hutch--]

Andy,

In 32 bit its the Intel "Application Binary Interface" which specifies register preservation rules.

[Magnum]

Thanks. I will see if Ollydbg will run in Linux.

And study the output.

[HSE]

What is ABI?

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The problem in FShell_render:

Code Select Expand

    mov [esi+eax],dx
    shr edx,16
    mov [esi+eax+2],dl
this proc rely in esi. Perhaps because ABI, program work here.

[Magnum]

What is ABI?

Search forum 

The problem in FShell_render:

Code Select Expand

    mov [esi+eax],dx
    shr edx,16
    mov [esi+eax+2],dl
this proc rely in esi. Perhaps because ABI, program work here.

I did a search for ABI but found only our posts.

I have not done any assembly programming for at least 7 yrs.
So, please consider me a somewhat newbie.

[HSE]

I did a search for ABI but found only our posts.

From time to time is refloated that subject.

I fill esi with a valid value.

Code Select Expand

    mov esi, bitmap1


[Magnum]

Not working.

I appreciate all your help.

But I installed Masm32 and assembled one of the examples.

Ollydbg also works.

And it works great.

[HSE]

 :t