main.asm

sinowealth 单片机编程范例（ＰＷＭ的控制）

;*****************************************************
;Company :
;File Name : main.asm
;Author :
;Create Data : 2006-11-09
;Last Modified : 2006-11-09
;Description :
;Version : 1.0
;*****************************************************

INCLUDE	SH69P45.ASM



	TEM	EQU	40H

	  ORG	0000H	  
      	JMP	START
	RTNI
	RTNI
	JMP	T1_SEVER
	RTNI
	
	;TODO: Add your assembly code here
	
START:
	NOP
	NOP
	
	LDI	IE,	00H
	LDI	IRQ,	00H
	LDI 	TM1,	0100B 			;(OSC/4)*4*250=1MS
	LDI 	TL1,	06H   			;
	LDI 	TH1,	00H    			;		06

	LDI	IE,	0010B
	
	LDI	PACON,	0FH
	LDI	PORTA,	0H
	LDI	TEM,	1

MAIN:
	NOP
	NOP
	NOP
	NOP
	JMP	MAIN





T1_SEVER:
	LDI	IRQ,	0000B
	
	LDA	TEM
	BNZ	T_10MS
	
	LDI	TEM,	1
	LDI	PORTA,	0
	
	LDI 	TM1,	0100B 			;(OSC/4)*4*250=1MS
	LDI 	TL1,	06H   			;
	LDI 	TH1,	00H 
	JMP	T1_END
	
T_10MS:
	LDI	TEM,	0
	LDI	PORTA,	0FH
	
	LDI	TM1,	0010B
	LDI	TL1,	0BH
	LDI	TH1,	9
	
T1_END:
	LDI	IE,	0010B
	RTNI  
















	END