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Created by Timothy E Baldwin@tbaldwinDeveloper

Eliminate callback check to Portable_Idle races

Both RdchInkey and PageTest enable interrupts after running callbacks before calling Portable_Idle with the result that callback could be delayed until the next interrupt.

  • Remove remains of led setting from PageTest.
  • Remove pointless double test of Ctrl and Shift.
  • Change process_callback_chain to leave interrupts disabled, and rename accordingly.
  • Remove redundant check of CallBack_Flag.
  • In PageTest move running calbacks into CtrlShiftTest, so that it is immediately before the test.
  • Re-enable interrupts at appropriate locations.

Tested on StrongARM Risc PC.

Edited by Timothy E Baldwin