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What, tools do I need to break down the N64 console for private study?
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I'm making an assumption that you are talking about the Nintendo 64. Firstly this is a gaming console, and as such, the revenue model of its creators is selling videogames. Therefore consoles should ...

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[ARM]How does this checksum code works and how to revert it in C?
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A disassembler and decompiler like Ghidra can be used to obtain a C equivalent code. Also, as specified by @RadLexus, the ARM documentation can be found here: http://infocenter.arm.com/help/index.jsp?...

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If flashrom tool don't have support for rom chip what are the ways you can extract data without it?
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Firstly you would like to know if someone has already implemented the required protocol to read that flash memory model. You should try to search on your favorite engine queries like "'model' dump" or ...

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Limited BusyBox shell
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Unfortunately for you, nowadays most embedded devices (i.e. routers, iot devices, etc..) try to prevent the users to access the inner system so they can't hack or modify it. This is a measure to ...

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Arm Assembly: LDRH instruction to C
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As specified by @w s , the C representation of the assembly instruction ldrh r3,[r12,r3] would be: r3 = ((unsigned short*)r12)[r3] For more documentation, visit: http://infocenter.arm.com/help/...

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Lego NXT Exploitation and Vulnerabilities?
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I don't know which version of NXT you are using, since I'm not experienced with 3.0, but if you have a 2.0 brick you are able to install a custom firmware which would allow you to code in different ...

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