Motorola M68EZ328ADS - Manual (Page 36)

Programming On-board Flash Memory
C-35 M68EZ328ADS v2.0 USER’S MANUAL MOTOROLA
move.l pSOURCE,A0
move.l pTARGET,A1
move.l pSIZE,D0
move.l pFLASH,A5
move.l pFLASH,A6
*******************************************
* BreakPoint Here if program flash in SDS *
*******************************************
add.l #OFFSET1,A5
add.l #OFFSET2,A6
**************************************************
;*****************************************
; Input Parameters:
; a0 - (Long) Source Address
; a1 - (Long) Target Address
; d0 - (Long) Byte Size
; a5 - (long) Flash Starting Address Offset1
; a6 - (long) Flash Starting Address Offset2
;*****************************************
move.l a0,a2 ; a2 as source
move.l a1,a3 ; a3 as target
clr.l d1 ; clear d1 as counter
clr.b d5 ; clear d5 as ECHO counter
PROGRAM
ENABLE
move.w (a2),(a3) ; Copy source to target
clr.l d4 ; clear d4 as polling counter
POLLING
cmp.l #TIME,d4
bgt ERROR ; if d4>#TIME, bra ERROR
add.l #1,d4 ; d4++
move.w (a2),d2 ; Compare (a0),(a1)
move.w (a3),d3
cmp.w d2,d3
bne POLLING ; End of POLLING
add.l #2,a2
add.l #2,a3
add.l #2,d1
cmp.b #0,d5
bne NO_W
ECHO 'W'
ECHO 0
NO_W add.b #1,d5
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ARCHIVED BY FREESCALE SEMICONDUCTOR, INC. 2005
ARCHIVED BY FREESCALE SEMICONDUCT
OR,
INC.
2005