OpenEuphoria

RE: SV: Binary conversion (machine)

• Posted by Don Phillips <Graebel at hotmail.com> Aug 18, 2002
• 496 views

> Don,
> 
> 
> I'm no asm expert, but I believe opcode #B8 means:
> 
>     mov eax, imm32   ; load immedate value into eax
> 
> and not
> 
>     mov eax, [imm32] ; load via effective address pointer
> 
> so perhaps your code byteswapped the pointer instead?
> 
> Maby you could try something like:
> 
>     #50,                                -- push eax
>     #B8} & int_to_bytes(peek4s(mem)) &  -- mov eax, offset mem
> {   #0F, #C8,                           -- bswap eax
>     #A3} & int_to_bytes(mem) &          -- mov offset mem, eax
> {   #58,                                -- pop eax
>     #C3                                 -- ret
> 
> 
> I haven't tested it, it's just a thought.
> 
> 
> Sincerly Yours,
> Barbarella

Thanks Barbarella, I think you are most correct.  I was being sloppy.  
When I compiled my program I was using an immediate value and didnt 
change it to its proper form (and forgot about it to boot) after I 
decompiled it for the opcodes...

Just was not paying attention to detail.
Don