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  • I am currently an eighth grader but I have a deep interest in ARM processors, since I'm a neophyte but I have great interest could u tell me what makes ARM processors so significant? Why? Thank you :)

    would u mind telling me please I'm really interested in this kind of stuffs.

  • Still more stupid questions on Cortex-A7 instruction set

    I've beem constructing a list of Cortex-A7 ARM-instructions, and there are some questions I haven't found

    an answer to in ARMv7-A/R ARM Issue C.

    How is this special?

    LDRD<c>_<Rt>,_<Rt2>,_<label>_LDRD<c>_<Rt>,_<Rt2>,_[PC,_#-0]_Special_case…

  • What does this instruction do?

    In the ARMv7-A/R ARM Issue C I found two instructions with odd encoding: PUSH and POP, encoding A2.

    What's the Rt's role? I guess Rt and 'registers'-bitlist needs to match?

    Encoding A2 ARMv4*, ARMv5T*, ARMv6*, ARMv7

    PUSH<c> <registers>…