Hi Mark,

Try specifying the bit number there 

QBBS A_CHANGED, r0, 0

https://github.com/ZeekHuge/BeagleScope/blob/port_to_4.4.12-ti-r31%2B/firmware/main_pru1_def.asm#L411

On Tuesday, 26 July 2016 21:40:45 UTC+5:30, Mark A. Yoder wrote:
>
> I'm use clpru to assemble some code[1] for the PRU.  Unfortunately I'm 
> getting the following error:
>
>
> QBBS A_CHANGED, r0.t0
>
> "pru0-encoder.asm", ERROR! at line 103: [E0003] Invalid instruction
> QBBS A_CHANGED, r0.t0
>
>
> I can't figure out what is invalid about QBBS?  
>
> I'm running on a BeagleBone with version 2.1.2 of clpru.
>
> *clpru -version*
> PRU C/C++ Compiler v2.1.2
> Build Number 1PL7P-2LI-UAYAS-TAQ-ZARUGU
>
> PRU EABI C/C++ Parser v2.1.2
> Build Number 1PL7P-2LI-UAYAS-TAQ-ZARUGU
> PRU C/C++ File Merge v2.1.2
> Build Number 1PL7P-2LI-UAYAS-TAQ-ZARUGU
> PRU C/C++ Optimizer v2.1.2
> Build Number 1PL7P-2LI-UAYAS-TAQ-ZARUGU
> PRU C/C++ Codegen v2.1.2
> Build Number 1PLBO-0QRTSXTX-UAYAS-TAR-ZARUGU
> PRU Assembler v2.1.2
> Build Number 1PL7P-2LI-UAYAS-TAQ-ZARUGU
> PRU Embed Utility v2.1.2
> Build Number 1PL7P-2LI-UAYAS-TAQ-ZARUGU
> PRU C Source Interlister v2.1.2
> Build Number 1PL7P-2LI-UAYAS-TAQ-ZARUGU
> PRU Linker v2.1.2
> Build Number 1PL7Q-2LI-UAYAS-TAQ-ZARUGU
> PRU Absolute Lister v2.1.2
> Build Number 1PL7P-2LI-UAYAS-TAQ-ZARUGU
> PRU Strip Utility v2.1.2
> Build Number 1PL7P-2LI-UAYAS-TAQ-ZARUGU
> PRU XREF Utility v2.1.2
> Build Number 1PL7P-2LI-UAYAS-TAQ-ZARUGU
> PRU C++ Demangler v2.1.2
> Build Number 1PL7P-2LI-UAYAS-TAQ-ZARUGU
> PRU Hex Converter v2.1.2
> Build Number 1PL7P-2LI-UAYAS-TAQ-ZARUGU
> PRU Name Utility v2.1.2
> Build Number 1PL7P-2LI-UAYAS-TAQ-ZARUGU
> PRU Object File Display v2.1.2
> Build Number 1PL7P-2LI-UAYAS-TAQ-ZARUGU
> PRU Archiver v2.1.2
> Build Number 1PL7P-2LI-UAYAS-TAQ-ZARUGU
>
>
> --Mark
>
>
> [1] 
> https://github.com/MarkAYoder/BeagleBoard-exercises/blob/master/pru/examples/encoder/pru0-encoder.asm
>

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