main.asm

实现红外接收功能。将红外遥控器发送过来的编码解析,并显示出来。

;====================================================================================
; The information contained herein is the exclusive property of
; Sunplus Technology Co. And shall not be distributed, reproduced,
; or disclosed in whole in part without prior written permission.
;       (C) COPYRIGHT 2004   SUNPLUS TECHNOLOGY CO.                                  
;                   ALL RIGHTS RESERVED
; The entire notice above must be reproduced on all authorized copies.
;====================================================================================
																					
;====================================================================================
;  Program Name:		main.asm
;  Applied body:		SPMC65P2404*28P
;  Description:			The program presents an example of receiving and showing datats 
;						through IR.   
;  Reference:			SPMC65P2404 Programming Guide
;  Author:				Hailong Jiang/Sunnorth  
;  Revision history:
;------------------------------------------------------------------------------------ 
;  Version	Date 		Modify By		Description
;  1.0.0    2004-12-13	Hailong Jiang	First Edition
;====================================================================================

.SYNTAX  6502							;Process standard 6502 addressing syntax
.LINKLIST								;Generate linklist information
.SYMBOLS								;Generate symbolic debug information
;************************************************************************************
;*																					*
;*      System Register Define														*
;*																					*
;************************************************************************************
;------------------------------------------------------------------------------------
SPMC65P2404Ax	.EQU	1				;Use body: SPMC65P2404*28P
;-----------------------------------------------------------------------------------
.INCLUDE		Spmc65.inc				;Define all hardware,Registers and ports. 
;************************************************************************************
;*																					*
;*      Data memory Define	                                                        *
;*																					*
;************************************************************************************
.PAGE0									;Define values in the range from 00h to FFh
.DATA									;Define data storage section           
;************************************************************************************																				*
;*      	 Program Area															*
;***********************************************************************************
.CODE                      
.INCLUDE		IR.asm  
;************************************************************************************
;*																					*
;*      Power on Reset Process	                                                    *
;*																					*
;************************************************************************************
.PUBLIC		V_Reset
V_Reset:
		sei									;Disable interrupt
		ldx		#C_STACK_BOTTOM				;Initial stack pointer at $00FF
		txs			

		jsr		F_IR_Init
		cli

L_Main:
		ldx		#0
?L_Loop:		
		lda 	P_INT_Flag2
		and 	#C_INT_TVALIF				;Check Timer base INT?
		beq 	?L_Loop 					;No
		lda 	#C_INT_TVALIF
		sta 	P_INT_Flag2 				;Clear INT request flag
		inx
		cpx		#4							;4 ms coming?
		bcc		?L_Loop						;no

		jsr		F_Data_Change				;convert received datas to key value		
		jsr		F_IR_LED					;LED showing
		
		jmp		L_Main	
		
		
;************************************************************************************
;*																					*
;*      Interrupt Service Process                         	                        *
;*																					*
;************************************************************************************
V_IRQ:      						
		pha
		txa
		pha
		
		lda		P_INT_Flag0
		and		#C_INT_CAP3F				;CAP3 INT?
		beq		?_T1_end					;NO
		;--------------------------------------------------------	
		;CAP3 interrupt process service
		jsr		F_IR_Receive				;receive data
		lda		#$FF
		STA		P_INT_Flag0
		
?_T1_end:
		pla
		tax
		pla	
		rti     
		
V_NMI:
		rti
;************************************************************************************
;*																					*
;*      Interrupt Vector Table														*
;*																					*
;************************************************************************************
VECTOR		.SECTION
		DW		V_NMI						;Non-mask interrupt vector(no use)
		DW		V_Reset						;Reset vector
		DW		V_IRQ						;IRQ interrupt vector
;************************************************************************************
;*																					*
;*      End of Interrupt Vector Table												*
;*																					*
;************************************************************************************
.END