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> milanista: Hello experts,
>
> I googled several days, but could not find the information I am looking for. So, I thought here someone would be able to help me. My problem is the following:
>
> I have a Motorola HC05 hex file, which is 32 KB. I have loaded it in IDA and it correctly disassembled the file. However, I get lost in the code and what would be very helpful for me is the opportunity to be able to trace the execution of the program. A friend of mine has told me that he is able to debug another type of Motorola processor with IDA, but it looks like for HC05 debugging is not available.
> I have 2 questions:
> 1. What needs to be done to be able to debug and trace the code of a Motorola HC05 processor?
> 2. Is it possible to write an IDC script to achieve this task?
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You need a processor module to do that. There's no support in IDA Pro for the 68HC05xx (there's 16 and 32) proc. So you have to find the opcodes and code your own proc module.
http://www.alldatasheet.com/datasheet-pdf/pdf/3042/MOTOROLA/HC05.html
That's the datasheet for the specific microcontroller.
Alternately, you can also try DASMx for disassembling the same. http://www.geocities.com/pclareuk/DASMx/
Take a look at this presentation titled "An Introduction to Motorola 68HC05 Family of 8- Bit Microcontrollers"
Keep us posted on what you do :)
Cheers !
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