File Operations, Please Help

[AeroASM]

Some clarification on pointers and derefencing:

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.data

MyVar DWORD 0

.code

start:

mov eax,MyVar                           ;puts the value of MyVar into eax
mov eax,offset MyVar                  ;puts the address of MyVar into eax, eax is now a pointer to MyVar.
mov edx,[eax]                            ;square brackets mean memory access: this means put (the value at (the address in eax)) into edx
;however because the address in eax is the address of MyVar, the above instruction puts the value of MyVar into edx.


Got it?  :thumbu :U

[tuto]

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Edgars