ajzdsm.s

AVR单片机C语言编程及应用实例 适合初学者的学习研究 其中包含Atmega16中文资料及Protel部分电路图

	.module ajzdsm.c
	.area text(rom, con, rel)
	.dbfile G:\学习\avr\天祥电子AVR视频教程\chengxu\按键中断扫描\ajzdsm.c
	.area data(ram, con, rel)
	.dbfile G:\学习\avr\天祥电子AVR视频教程\chengxu\按键中断扫描\ajzdsm.c
_num::
	.blkb 1
	.area idata
	.byte 0
	.area data(ram, con, rel)
	.dbfile G:\学习\avr\天祥电子AVR视频教程\chengxu\按键中断扫描\ajzdsm.c
	.dbsym e num _num c
	.area vector(rom, abs)
	.org 8
	jmp _miao
	.area data(ram, con, rel)
	.dbfile G:\学习\avr\天祥电子AVR视频教程\chengxu\按键中断扫描\ajzdsm.c
	.area text(rom, con, rel)
	.dbfile G:\学习\avr\天祥电子AVR视频教程\chengxu\按键中断扫描\ajzdsm.c
	.dbfunc e miao _miao fV
	.even
_miao::
	st -y,R2
	st -y,R16
	st -y,R17
	st -y,R24
	st -y,R25
	in R2,0x3f
	st -y,R2
	.dbline -1
	.dbline 9
; #include <iom16v.h>
; #include <macros.h>
; #define  uchar unsigned char
; #define  uint  unsigned int
; uchar num=0;
; #pragma interrupt_handler miao:3
; 
; void miao()
; {
	.dbline 10
;     if(num==60)
	lds R24,_num
	cpi R24,60
	brne L2
X0:
	.dbline 11
; 	   num=0;
	clr R2
	sts _num,R2
L2:
	.dbline 12
; 	   num++; 
	lds R24,_num
	subi R24,255    ; addi 1
	sts _num,R24
	.dbline 13
; 	  	if(num%2==0)PORTA|=BIT(0);
	ldi R17,2
	mov R16,R24
	xcall mod8u
	tst R16
	brne L4
X1:
	.dbline 13
	sbi 0x1b,0
	xjmp L5
L4:
	.dbline 14
; 		else PORTA&=~BIT(0);
	cbi 0x1b,0
L5:
	.dbline -2
L1:
	.dbline 0 ; func end
	ld R2,y+
	out 0x3f,R2
	ld R25,y+
	ld R24,y+
	ld R17,y+
	ld R16,y+
	ld R2,y+
	reti
	.dbend
	.dbfunc e main _main fV
	.even
_main::
	.dbline -1
	.dbline 18
; 		 
; }
; void main()
; {
	.dbline 19
;     DDRA|=BIT(0);
	sbi 0x1a,0
	.dbline 20
; 	DDRD|=BIT(3);//外部中断1的触发管脚
	sbi 0x11,3
	.dbline 21
; 	PORTD&=~BIT(3);
	cbi 0x12,3
	.dbline 22
; 	GICR|=BIT(7);//T/C1控制寄存器B
	in R24,0x3b
	ori R24,128
	out 0x3b,R24
	.dbline 23
;     MCUCR=0X0C;
	ldi R24,12
	out 0x35,R24
	.dbline 24
; 	SREG|=BIT(7);//总中断
	bset 7
L7:
	.dbline 25
; 	while(1){;}
	.dbline 25
	.dbline 25
L8:
	.dbline 25
	xjmp L7
X2:
	.dbline -2
L6:
	.dbline 0 ; func end
	ret
	.dbend
; 
; 	
; }