Motorola M68EZ328ADS Program, Verifiy, NOV Echo, Finish Txdrdy, Polltxd, Lprdy, Echo P Echo a

Freescale Semiconductor, Inc.

Programming On-board Flash Memory

Freescale Semiconductor, Inc.

ARCHIVED BY FREESCALE SEMICONDUCTOR, INC. 2005

cmp.l	d0,d1	; if d1<=d0, bra PROGRAM
ble	PROGRAM

ARCHIVED BY FREESCALE SEMICONDUCTOR, INC. 2005

;*****************************************

;Input Parameters:

;a0 - (Long) Source Address

;a1 - (Long) Target Address

;d0 - (Long) Byte Size

;a5 - (long) Flash Starting Address Offset 1

;a6 - (long) Flash Starting Address Offset 2 ;*****************************************

	move.l	a0,a2	;a2 & a3 are used to store the starting address
	move.l	a1,a3	;for comparing.
	clr.b	d5	;clear d5 as ECHO counter
	clr.l	d1	;clear d1 as counter
VERIFIY
	cmp.b	#0,d5
	bne	NO_V
	ECHO	'V'
	ECHO	0
NO_V	add.b	#1,d5
	move.w	(a2)+,d2
	move.w	(a3)+,d3
	cmp.w	d2,d3
	bne	ERROR
	add.l	#2,d1
	cmp.l	d0,d1	; if d1<=d0, bra CHECK
	ble	VERIFIY
	bra	FINISH

****************************************************************************

TXD_RDY
move.l	d7,-(a7)	; Push d7
POLLTXD
btst.b	#5,$FFFFF906
beq.s	POLLTXD	; bra if TXAVAIL not SET
move.w	#$0FFF,d7
LP_RDY sub.w	#1,d7
bne.b	LP_RDY
move.l	(a7)+,d7	; Restore d7
rts

****************************************************************************

FINISH

ECHO '\n'

ECHO 'P'

ECHO 'A'

C-36M68EZ328ADS v2.0 USER’S MANUALMOTOROLA

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