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Changing an opcode multiple times in a script

 
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Flux.
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Joined: 10 Nov 2016
Posts: 88
Location: Another World - N5X2 106311411+2123518
PostPosted: Tue Apr 02, 2019 9:52 am    Post subject: Changing an opcode multiple times in a script Reply with quote
Another day another question.

Is there an easy way to create a script that will allow me to change xmm0 multiple times,
Code:
movss [ecx+50],xmm0


For instance to xmm1, xmm2, xmm3 and xmm5, and revert back to original.

It works using multiple scripts, just asking if there's an easy way to do it with one script without using child scripts.

Thank you for any help.
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panraven
Grandmaster Cheater
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Joined: 01 Oct 2008
Posts: 959
PostPosted: Tue Apr 02, 2019 10:54 am    Post subject: Reply with quote
compile, alloc and dealloc every time is unsafe,
it should be better redirect execution with flag.
Code:

globalalloc(WhereToSet,4)
...
// test if set to xmm0, original
cmp  byte ptr[WhereToSet],0
jne  @f
  movss [ecx+50],xmm0
@@:
// test if set to xmm1
cmp  byte ptr[WhereToSet],1
jne  @f
  movss [ecx+50],xmm1
@@:
// test if set to xmm2
cmp  byte ptr[WhereToSet],2
jne  @f
  movss [ecx+50],xmm2
@@:
// test if set to xmm3
cmp  byte ptr[WhereToSet],3
jne  @f
  movss [ecx+50],xmm3
@@:
// test if set to xmm5
cmp  byte ptr[WhereToSet],5
jne  @f
  movss [ecx+50],xmm5
@@:
...

It is like switch-cases.
_________________
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Flux.
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Joined: 10 Nov 2016
Posts: 88
Location: Another World - N5X2 106311411+2123518
PostPosted: Tue Apr 02, 2019 1:19 pm    Post subject: Reply with quote
panraven Thank you for the help its much appreciated.
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