Mark,
You'll get better results if you format your code so it's easier to read for others. All you have to do is use (pre) before the code segment and (/pre) after the code segment, but instead of using "(" and ")" use "<" and ">".

Jon

SET_WE	EQU	08H		;enable writing
F1	EQU	0D1H
FMCON	EQU	0E4H
FMDATA	EQU	0E5H
KEY	EQU	0FFH
KEYVAL	EQU	96H		;IAP request key value
;
;
	RSEG	?PR?_iap_write?LPC9xxIAPLIB
;
_iap_write:
				; name = R7, value = R5
	LCALL	iap_feedwd	; feed watchdog if needed
	LCALL	iap_disableint	; disable interrupts if needed
	MOV	R0,#KEY		; IAP authorization key.
	MOV	@R0,#KEYVAL
	CLR	F1		;specify IRAM
	MOV	FMCON,#SET_WE	;enable HARD write
	MOV	FMDATA,@R0	;set HARD key
	LCALL	IAP_WRITE	; call iap routine
	LCALL	iap_enableint	; enable interrupts if needed
	LJMP	iap_exit	; put status in iap_status and exit