int.s

MEGA16单片机程序包2

	.module int.c
	.area text(rom, con, rel)
	.dbfile F:\单片机源程序\AVR单片机程序\MAGE16\INT0\int.c
	.dbfunc e port_init _port_init fV
	.even
_port_init::
	.dbline -1
	.dbline 9
; //ICC-AVR application builder : 2007-4-16 20:55:44
; // Target : M16
; // Crystal: 8.0000Mhz
; 
; #include <iom16v.h>
; #include <macros.h>
; 
; void port_init(void)         //引脚初始化
; {
	.dbline 12
;   
; 
;  PORTD = 0x0C;               //INT0,INT1输入上拉电阻允许
	ldi R24,12
	out 0x12,R24
	.dbline 13
;  DDRD  = 0x40;
	ldi R24,64
	out 0x11,R24
	.dbline -2
L1:
	.dbline 0 ; func end
	ret
	.dbend
	.area vector(rom, abs)
	.org 4
	jmp _int0_isr
	.area text(rom, con, rel)
	.dbfile F:\单片机源程序\AVR单片机程序\MAGE16\INT0\int.c
	.dbfunc e int0_isr _int0_isr fV
	.even
_int0_isr::
	st -y,R24
	in R24,0x3f
	st -y,R24
	.dbline -1
	.dbline 18
; }
; 
; #pragma interrupt_handler int0_isr: 2     //INT0中断服务程序，中断号为2
; void int0_isr(void)
; {
	.dbline 19
;   DDRD=0x40;
	ldi R24,64
	out 0x11,R24
	.dbline 20
;   PORTD=0X40;
	out 0x12,R24
	.dbline -2
L2:
	ld R24,y+
	out 0x3f,R24
	ld R24,y+
	.dbline 0 ; func end
	reti
	.dbend
	.dbfunc e init_devices _init_devices fV
	.even
_init_devices::
	.dbline -1
	.dbline 24
; }
; 
; void init_devices(void)                //中断初始化
; {
	.dbline 25
;  CLI();                         
	cli
	.dbline 26
;  port_init();
	xcall _port_init
	.dbline 27
;  MCUCR = 0X00;                         //INT0为低电平触发
	clr R2
	out 0x35,R2
	.dbline 28
;  SREG|= 0X80;                          //SREG的位I置“1”，允许中断
	bset 7
	.dbline 29
;  GICR|= 0XC0;                          //INT0,INT1中断使能
	in R24,0x3b
	ori R24,192
	out 0x3b,R24
	.dbline 30
;  TIMSK|= 0x00;                         //关闭时钟中断
	in R2,0x39
	out 0x39,R2
	.dbline 31
;  SEI();                            
	sei
	.dbline -2
L3:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e main _main fV
	.even
_main::
	.dbline -1
	.dbline 35
; }
; 
; void main(void)
; {   
	xjmp L6
L5:
	.dbline 37
	.dbline 38
	clr R2
	out 0x12,R2
	.dbline 39
	xcall _init_devices
	.dbline 40
L6:
	.dbline 36
	xjmp L5
X0:
	.dbline -2
L4:
	.dbline 0 ; func end
	ret
	.dbend