hcs08sci_1.asm

s08 sci 汇编语言 s 08 sci 汇编语言 s08 sci 汇编语言

*--------------------文件名:HCS08SCI_1.ASM------------------*
*--程序描述:利用查询方式把从K-LINE接收到的数据发送给上位机--*      
*--------------------AUTHOR:SUNHAIXIN-----------------------*
*------Any question please contact: [e-mail]-------*
*--------------------------[头文件]-------------------------*
INCLUDE 'MC9S08DZ60.inc'

*---------------------[两个起始地址名]----------------------*
RAMstartAdrr    EQU $0080
FlashStartAddr  EQU $8000
MCGC3           EQU $0000004C
SCI2S1          EQU $00000044 

*------------------------[内存变量]-------------------------*
		ORG  RAMstartAdrr
		SERIALBUFF: DS.B 10

*-------------------------[主程序]--------------------------*
		ORG  FlashStartAddr
MAININIT:	SEI
		LDHX #$107F			;堆栈初始化
		TXS
		JSR  MCG_INIT			;时钟初始化

*---------------------[程序总循环入口]----------------------*
MAINLOOP:	JSR  K_INIT
LOOP_1:		LDA  #10
		STA  $01		;数据长度保存在地址单元0x01中		
		LDA  #$01
		LDHX #$81		;接收数据存放的地址
		JSR  K_START			;开始接收数据 
		BCS  LOOP1			;未接收到数据，继续等待
		LDA  #$01
		LDHX #$A000
		JSR  PC_INIT
		JSR  PC_START
		BRA  MAINLOOP

*-----------------[外部了程序存放处]------------------------*
		INCLUDE "MCG_INIT.ASM"
	  INCLUDE "K_INIT.ASM"
		INCLUDE "K_START.ASM"
		INCLUDE "PC_INIT.ASM"
		INCLUDE "PC_START.ASM"	
*---------------------[中断向量]----------------------------*
		ORG  $FFFE			;复位向量
		DC.W   MAININIT