I feel pretty silly bringing up this problem, but I've tried
everything I can think of.  I can't run
the simple code snippet shown below in the MPLAB v7.50
simulator.

It is suppossed to set up all PORTA pins as outputs and send
0x0f to the port.  But after running this in MPSIM, PORTA
contains 0x00 rather than 0x0f.

I have checked that the processor include file is there, it
defines PORTA correctly, and it is being used.  A Watch window
correctly shows PORTA at it's 0x05 address.  MPSIM is set for
the correct CPU, and specifiying a radix parameter has no
effect.

I tried creating a brand new project and source code files, but
the result was the same.  

Have I run into a bug or did I miss something that is or should
have been glaringly obvious?  Interestingly, it works if I
change PORTA/TRISA to PORTD/TRISD.

Thanks in Advance,
Andrew



	processor     	16f877a		; list directive to define processor
	#include	P16F877A.INC	; processor specific variable definitions
	
	__CONFIG _CP_OFF & _WDT_OFF & _BODEN_ON & _PWRTE_ON & _HS_OSC &
_LVP_OFF & _DEBUG_OFF & _CPD_OFF


	ORG     0x000			; processor reset vector
	bsf	STATUS, RP0
	clrf	TRISA ^ 0x80
	bcf	STATUS, RP0
	movlw	0x0f
	movwf	PORTA
	goto	$

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