OK, lets see what your code looks like without
the BANKSEL... :

End_ISR   
  movlw .10    ; 10 ms on (1 ms is too short)
  subwf    ms_counter,W
  btfsc STATUS,Z
; --- pop pclath, status & w ---
  movf  PCLATH_TEMP,W
  movwf  PCLATH
  swapf    STATUS_TEMP,W
  movwf STATUS
  swapf W_TEMP,F
  swapf    W_TEMP,W
  retfie    ; turns on GIE
;================== End of ISR ===========================

Note that depending on the outcome of the "BTFSC STATUS, Z", your
restore of PCLATH will *not* work. The first MOVF will
sometimes be "skipped" and whatever is left in W from the SUBWF
instruction will be moved to PCLATH.

If you put *anything* after the BTFSC (that can safely be skipped)
your restore of PCLATH will always work.

Regards,
Jan-Erik.




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