Hi

I spent awhile battling with the conversion to 18F. Below is some code to read a block of onboard EE into ram. I'm not going to format the text, but it does work fine. Hopefully it's of help.

Regards
Roland

By the way;  b0  equ  0x00  ;ram bank 0
It was easier to read this way.




At 12:57 PM 19/07/2005 -0500, you wrote:
>I ported my code (F872 to F242), which required some time/thought since I had 
>some "interesting" pieces of code in there.  Most everything works now, 
>except that I have a problem with EEPROM code.  It's not reading defaults 
>that are programmed at startup.  But if anything is written to EE during code 
>execution, it reads that back fine.  Is the location still 0x2100?  Or is 
>there something else I need to do here?  I'm still going thru the manuals, 
>but need a break from that.
>
>Cheers,
>-Neil.
>
>




copyin				;copy EE values into ram, block copy
		movlw	0x01
		movwf	FSR0H,b0		;in bank1
		movlw	0x00			;start at 0100
		movwf	eread,b0
		clrf	epos,b0
egain	movf	epos,w,b0
		movwf	EEADR,b0
		bcf	EECON1,EEPGD,b0
		bcf	EECON1,CFGS,b0	;big fuckup, was missing 17/3/5
		bsf	EECON1,RD,b0
		movf	EEDATA,w,b0
		movwf	egot,b0
		movf	eread,w,b0
		movwf	FSR0L,b0
		movlw	0x01
		movwf	FSR0H,b0		;in bank1  ;copied from above; 14/3/5
		movf	egot,w,b0
		movwf	INDF0,b0
		incf	epos,f,b0
		incf	eread,f,b0
		movf	eread,w,b0
		xorlw	0x28			;end at position 27, incl stata at 27 containing smoke(7) flag
		btfss	_Z,b0			;done the block move
		bra		egain			;modified end position, 30 to 27, on 9/3/5


Regards
Roland Jollivet

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