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read rpm and load axis from hex

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Old Feb 7, 2012 | 02:51 AM
  #1  
yewkhip's Avatar
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read rpm and load axis from hex

how to read the rpm and load from the evox hex file? by looking at the FF 03 14 C5 72 C5 74 17, how to know where is the subroutine of the rpm and load?
sorry for this newbie question, i'm just want to fully know how this code work, even though many xml available now, thanks.
Attached Thumbnails read rpm and load axis from hex-evox.jpg  
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Old Feb 8, 2012 | 04:24 PM
  #2  
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You really need a proper disassembly of the ROM. Trying to do it with just hex will drive you insane.

Check this out... it's one way to do it...

https://www.evolutionm.net/forums/ec...text-file.html

Rich
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Old Feb 9, 2012 | 07:40 AM
  #3  
yewkhip's Avatar
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indeed it is very tough job. i'm try disassembly by using ida but still can't understand how it work
Attached Thumbnails read rpm and load axis from hex-ida.jpg   read rpm and load axis from hex-sub.jpg  
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Old Feb 9, 2012 | 02:19 PM
  #4  
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There are some "Renesas M32R" instruction-set manuals around.

But if you've not done assembler programming before, the next stop should be a technical book shop!

Rich

Last edited by richardjh; Feb 9, 2012 at 03:06 PM. Reason: Spelling
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Old Feb 9, 2012 | 02:45 PM
  #5  
sstevojr's Avatar
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Yeah this is one area I choose not to delve into. I've already got a career and a hobby,
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