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  1. The problem is that the process freezes at a certain line in the debugger. I am wondering if the error message has anything to do with why the program crashes. I'm not experienced enough to use the debugger and figure out exactly why this is happening. The program halts at this instruction ffffff34: mvn r0, #15 The LEDs turn on, but do not blink, probably because it fails at the first iteration. I haven't touched the ARM processor in a long time, so I don't know what is going on. Thanks
  2. Hello everybody. I am encountering this problem when I try to run Debug as Hardware in SDK. "executables selected for download on to the following processors doesn't exist or incorrectly specified. Do you wish to ignore them and proceed? 1.ps7_cortex9_0" To provide some background, I am learning from a simple example given on YouTube to blink 4 LEDs. https://www.youtube.com/watch?v=12mnBk5SrIk I'm using a Zybo Z7-20 in Vivado 2019.1 with SDK. All the steps in Vivado work fine and I'm able to export the hardware and bitstream to the SDK, however when I attempt to Debug as Hardwa