In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Peter Van der Zee wrote:

Hi Peter;

Please remember what you are referring to is my old version of RTOS, and it had some bugs; the new one is quite different.

That said, I will explain that in this case I DID want to pre-set the status high page bits so that any subsequent jumps I did in the T1 thread would already be to the proper page. In your case, you suggested initializing the (Main) ISR routine irrelevant, so I stuck the ISR page set-up in the MainISR itself.

And I won't go into the reasoning here, but bits 4 and 3 if the status need to be set to zero in the status shadow.

Hope this helps!

Cheers,

Peter (pjv)

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