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[Elreys 982 iPad Air 10.3.1]

Hi Guys

i work on a new tweak for a Game,

i found the right offset in IDA, 

VLDR            D7, [R11] --- R11 Load Item Price in D7

I check the ARM Converter for this instruction i receive this results:

ARM HEX:

007B9BED

But when i check the binary hex code, i see a completely different hex code:

007B1BED

So now when i pass this hex code in the ARMCONVERTER i receive this instruction:

VLDR    D7, [SL, #-0]

Strange, My Goal is to change this instruction with:

 

VLDR    D7,[R0] or LDR D7,R0

 

I need you help to unterstand waht is happen hear

 

Thanks Guys

[Ted2 39.1k iPhone 13 Pro 16.0 Donor]

LDR D7, R0 won't make your hack work.

 

Try MOV R0, R7, BX LR

LDR D7, R0 won't make your hack work.

What does you function look like?

if it has 2 instructions then 

Try MOV R0, R7, BX LR

[0xSUBZ3R0 134.9k iPhone 6s Plus 12.1.1]

 

D7 is a float value 

Vmov.f32 d7,#0.0

set price to 0 

 

[Elreys 982 iPad Air 10.3.1]

Thanks Guys for your fast answers, @ElderMember

@Elder Member  i think this is the solution, but if i change this code, the game has graphic glitch

but i now exactly this are the offset to change, i read this with LLDB.

@Ted2

unfortunately they are more instruction, i cannot branch the subroutine, and its seems to load a  Float value.

 

[Elreys 982 iPad Air 10.3.1]

I try with VMOV.32 D7,#0.0 but unfortunately wont work, graphic glitch also..

then with this VMOV D7,R0,R0  nothing, its really  difficult to change this opcode, any idea?

Did you know if on UBISOFT Game they are code protection ? Its only a stupid question but i could be, that this blocks change in code...

https://ibb.co/eSrdFb

Sory Moderator but the picture attachment wotn work .

[nkodder 8.8k]

On 10/3/2017 at 4:02 PM, 0xSUBZ3R0 said:

 

D7 is a float value 

Vmov.f32 d7,#0.0

set price to 0 

 

How to hack vldr sx, ?

= 0.0 or for no cooldown

Please help