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Saving of STATUS byte in Fast #int

 
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Frans



Joined: 19 Jan 2004
Posts: 5

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Saving of STATUS byte in Fast #int
PostPosted: Tue Feb 03, 2004 10:18 am     Reply with quote
Hi there,

I'm using a pic18F... and planning to use the Fast #int option of it.
but i have to store some regisers like STATUS and FSR.

How do i store these regisers in CCS C? read and write to a bank is famaliar, reading the STATUS byte not.

Thanks

FRans NIssen
Ttelmah
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Re: Saving of STATUS byte in Fast #int
PostPosted: Tue Feb 03, 2004 4:37 pm     Reply with quote
Frans wrote:
Hi there,

I'm using a pic18F... and planning to use the Fast #int option of it.
but i have to store some regisers like STATUS and FSR.

How do i store these regisers in CCS C? read and write to a bank is famaliar, reading the STATUS byte not.

Thanks

FRans NIssen

If you are using the 18F, don't bother!.
Use a RETFIE 1 at the end of your routine. This restores the W, status, and BSR registers. This ability is not used by the compiler, so is available for you.

Best Wishes
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