;*****************************************************************************
;
;
;
public _WriteProgramFlash:	; uint Loc (R6,R7),uchar Byte1(R5),uchar Byte2(R3)
	mov	SAFE_MOD,#0x55 
	mov	SAFE_MOD,#0xAA
	mov	a,GLOBAL_CFG
	orl	a,#0x0C		; 0x0C= 0000 1100b
	mov	GLOBAL_CFG,a	; Enable write to ProgramRom and FlashRom
	mov	ROM_ADDR_H,r6
	mov	ROM_ADDR_L,r7
	mov	ROM_DATA_L,r5 	; data low byte for flash-ROM writing, data byte for Data-Flash 
	mov	ROM_DATA_H,r3  	; data high byte for flash-ROM writing
	mov	ROM_CTRL,#0x9A
	mov	a,ROM_STATUS
	mov	SAFE_MOD,#0x55 
	mov	SAFE_MOD,#0xAA;
	mov	a,GLOBAL_CFG
	anl	a,#0x80
	mov	GLOBAL_CFG,a	; Disable write to ProgramRom
	mov	SAFE_MOD,#0
	ret