612infraredreceive

用EM 78M612 实现的ＵＳＢ红外遥控转换器．

;===============================================================================
;                   (Use EM78M612DAP for MCU)
;===============================================================================

;===============================================================================
;AUTHOR:  MINGGUAN.LIN
;DATA:     2005/11/1
;VERSION:  1.1


;===============================================================================
;===============================================================================
;	PROGRAM  REGISTERS
;===============================================================================
;========================================================================= 
;SPECIAL PURPOSE REGISTERS:
        R0		== 0X00
	TCC		== 0X01
	PC		== 0X02
	STATUS		== 0X03
		C	== 0X00; CARRYFLAG
		DC	== 0X01; AUXILIARY CARRY FLAG
		Z	== 0X02; ZERO FLAG
		P	== 0X03; POWER DOWN BIT
		T	== 0X04; TIME-OUT BIT
		PG	== 0X05; PAGE SELECT BIT
	RSR		== 0X04
		BANK0	== 0X06; BANK SELECTOR BIT 0
		BANK1	== 0X07; BANK SELECTOR BIT 1
	PORT5		== 0X05 
	PORT6		== 0X06	        
	PORT7		== 0X07
	R8		== 0X08; /PORT6 WAKE-UP PIN SELECT REGISTER
	R9		== 0X09; /PORT7 WAKE-UP PIN SELECT REGISTER
	RA		== 0X0A; HIGH PATTERN COUNTER REGISTER
	RB		== 0X0B; LOW  PATTERN COUNTER REGISTER
	RC		== 0X0C; USB APPLICATION STATUS REGISTER
	;[0]STALL
	;[1]EP0_BUSY
	;[2]HOST_SUSPEND
	;[3]EP2_W
	;[4]EP2_R
	;[5]EP1_READ
	;[6]EP0_READ
	;[7]EP0_WRITE
	RD		== 0X0D; USB APPLICATION FIFO ADDRESS REGISTER
	RE		== 0X0E; USB APPLICATION FIFO DATA REGISTER