>2) Since you can't know what the STATUS register contains when W_TEMP
>is saved and restored, W_TEMP must be 'double allocated' so that it
>will work correctly regardless of the bank setting when the interrupt
>occurs.

Well as he is using a 16F87x it is better to have it saved in the 0x70-0x7f
region where the same ram is shared between all banks. Then it does not
matter which bank you are in on interrupt entry.

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