#include P18F458.INC
	
RAM_ADDR 	EQU 40H
COUNTREG 	EQU 0x20		
CNTVAL 	EQU 4			
CNTVAL1 	EQU 5			
	EXTERN CAL_CHKSUM
	EXTERN TEST_CHKSUM
	
PGM CODE
	ORG	0
	CALL	COPY_DATA		
	CALL	CAL_CHKSUM		
	CALL	TEST_CHKSUM		
	BRA	$
COPY_DATA
	MOVLW	low(MYBYTE)		
	MOVWF	TBLPTRL		
	MOVLW	hi(MYBYTE)		
	MOVWF	TBLPTRH		
	MOVLW upper(MYBYTE)	
	MOVWF	TBLPRTRU		
	LFSR	0,RAM_ADDR		
C1	TBLRD*+			
	MOVF	TABLAT,W		
	BZ	EXIT			
	MOVWF	POSTINC0		
	BRA 	C1
EXIT	RETURN
	ORG 0x500
MYBYTE DB 0x25, 0x62, 0x3F, 0x52, 0x00
	END