Programming On-board Flash Memory
B-35
M68VZ328ADS USER’S MANUAL
MOTOROLA
cmp.l
d0,d1
; if d1<=d0, bra PROGRAM
ble
PROGRAM
;*****************************************
; 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'
Freescale Semiconductor, I
Freescale Semiconductor, Inc.
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Go to: www.freescale.com
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