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               Summary of ZiLOG analysis: "This is a ZNEO run time library problem.
               One workaround is to replace the line 58 in uwcase.asm

               From:
                      ADD       R9,#4             ; Skip handler
               To:
                      ADD       R9,#2             ; Skip handler

               And add uwcase.asm to the project.

               If the customer does not want to modify uwcase.asm then the other
               workaround is to add a dummy case and make it same as default:

               case 0x8000:
               default:

               This will make sure that uwcase is not called but ulcase is called."
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  Status:      Open.  Due to licensing issues, I cannot include the modified
               uwcase in the NuttX code base.
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  Priority:    Medium

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  Description: Add support to maintain SPOV in context switching.  This
               improvement will provide protection against stack overflow
               and make a safer system solution.
  Status:      Open
  Priority:    Low

  Description: Add support for prioritized interrupts.  Currently logic supports
               only nominal interrupt priority.
  Status:      Open
  Priority:    Low

  Description: Upgrade to the ZDS-II ZNEO 4.11.1 toolchain
  Status:      Open
  Priority:    Low

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  Description: The file drivers/mmcsd/mmcsd_sdio.c generates an internal compiler
               error like:
 
               mmcsd\mmcsd_sdio.c
               Internal Error(0503) On line 2504 of "MMCSD\MMCSD_SDIO.C"
                   File <c3>, Args(562,46)

  Status:     Open.  Recommended workaround: remove mmcsd_sdio.c from
              drivers/mmcsd/Make.defs.  There is no SDIO support for the Z16 anyway
  Priority:   Low

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  Description: There is no script for building in banked mode (more correctly, there
               is a script, but logic inside the script has not yet been implemented).
               It would be necessary to implement banked mode to able to access more
               the 48Kb of FLASH.
  Status:      Open.
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  Priority:    Medium/Low.