PBP, Vista and MPLAB

[Woodzy]

Just an update fellas. Finally got all working ok on Vista. Yep admin and untick the files and folders as read only.

SO, after working away quite nicely for a time.... and after adding extra code for ADC, etc. this compilation/assembly error raises it ugly head........

Error[113] f:\!_Woods\plc_pbp245\pbppic18.lib 1165 : Symbol not previously defined (ROLLOVER)

Using.....

Microcode Studio Plus v2.3.0.0
MPASM v03.90
PicBasic Pro 2.45
PIC18F452

Any tips, hints, etc would be muchly appreciated.
If you need more info, please ask.

regards
Shaun Woods

[mackrackit]

Looks like you forgot to define a variable or you have misspeelled something in you code.

[Woodzy]

Thanks mackrackit,
Yeh I found the culprit. Using an include "int.bas" for a continous clock.

'FILENAME	:	INT.BAS	
'PROGRAM	:	INCLUE for continuous clock
'DATE		:	01NOV2005

DEFINE	INTHAND	ROLLOVER

wsave		var	BYTE 	$020 SYSTEM
wsave1		var	BYTE 	$0a0 SYSTEM
wsave2		var	BYTE 	$120 SYSTEM
wsave3		var	BYTE 	$1a0 SYSTEM
ssave		var	BYTE 	BANK0 SYSTEM
psave		var	BYTE 	BANK0 SYSTEM
i_hour		var	BYTE
i_minu		var	BYTE
i_sec		var	BYTE
i_tic		var	BYTE


GOTO AFTERINT				'Jump past interrupthandler

asm

rollover

;*****************************************************************************************
;*****************************************************************************************
;
;		If you are using a PIC with 2K or less, 
;		you MUST unremarke the lines that follow.
;
;	movwf	wsave			;only for PICs with 2k or less
;	swapf	STATUS,w		;only for PICs with 2k or less
;	clrf	STATUS			;only for PICs with 2k or less
;	movwf	ssave			;only for PICs with 2k or less
;	movf	PCLATH,w		;only for PICs with 2k or less
;	movwf	psave			;only for PICs with 2k or less
;
;*****************************************************************************************
;*****************************************************************************************

; interrupcode follows here 


	movlw	0x58
	movwf	TMR1L
	movlw	0x9e			;restart timer from ffff - 9e58 => 5Hz if using 4MHz
	movwf	TMR1H
	decfsz 	_i_tic,f
	goto 	slutint
	incf	_i_sec,f
	movlw	5			;5 = 1Hz if using 4MHz (change to 10 for 8MHz and so on)
 	movwf	_i_tic

	movf	_i_sec,w
	sublw	60
	btfss	STATUS,Z		;check for 60 sec
	goto 	slutint			;no
	clrf	_i_sec			;yes
	incf	_i_minu,f

	movf	_i_minu,w
	sublw	60
	btfss	STATUS,Z		;check for 60 minutes
	goto 	slutint			;no
	clrf	_i_minu			;yes
	incf	_i_hour

	movf	_i_hour,w
	sublw	24
	btfss	STATUS,Z		;check for 24 hours
	goto 	slutint			;no
	clrf	_i_hour			;yes

slutint
	bcf	PIR1,0			;zero tmr1 interrupt flag


;end of interruptcode
; restorecode follows here

	movf	psave,w			;restore
	movwf	PCLATH
	swapf	ssave,w
	movwf	STATUS
	swapf	wsave,f
	swapf	wsave,w
	retfie

endasm


AFTERINT:

INTCON = %00000000			'all interrupts off
PIR1 = %00000000			'zero tmr1 interrupt flag
PIE1 = %00000001			'enable timer1 interrupt
TMR1L = $58
TMR1H = $9e
i_hour = 0				
i_minu = 0
i_sec = 0
i_tic = 5				'this value should be the same as the value of line 8 in the ISR
T1CON = %00110001			'timer1 on, prescaler=1/8
INTCON =  %11000000			'interrupt on

'-----------------------------------------------------------------------------------------

Ive underlined the problem symbols i think.....

fits in my main program like so.....

DEFIN:	clear
	DEFINE	OSC	4			'set to 4MHz oscill@@
	INCLUDE "int.bas"
	INCLUDE	"modedefs.bas"

blah....
blah....
blah....
gosub TICK
blah....
blah....
blah....
TICK:	if i_sec.0 <> OSCbit then
		return
	endif
'etc.

Cant understand getting a symbol not defined error when it defines it first line.
cheers
Woodzy

[Woodzy]

Mystery solved !

Thanks to a four year old post .......

http://www.picbasic.co.uk/forum/showthread.php?t=1090

dissimilar caps. Funny how mpasm is case sensitive.
A BBIIGG thanks to the forum mods keepin old threads alive. They are just as relevent today.

cheers
Woodzy