led111.s

avr单片机入门小程序

	.module led111.c
	.area text(rom, con, rel)
	.dbfile C:\DOCUME~1\Administrator\桌面\led111.c
	.dbfile C:\DOCUME~1\Administrator\桌面\delay.h
	.dbfunc e delay_1ms _delay_1ms fV
;              i -> R16,R17
	.even
_delay_1ms::
	.dbline -1
	.dbline 5
; #ifndef DELAY_H_H
; #define DELAY_H_H
; #define xtal 1
; void delay_1ms()             //1ms 延时
; {
	.dbline 7
;   unsigned int i;
;   for(i=1;i<570;i++)
	ldi R16,1
	ldi R17,0
	xjmp L5
L2:
	.dbline 8
;   ;
L3:
	.dbline 7
	subi R16,255  ; offset = 1
	sbci R17,255
L5:
	.dbline 7
	cpi R16,58
	ldi R30,2
	cpc R17,R30
	brlo L2
X0:
	.dbline -2
L1:
	.dbline 0 ; func end
	ret
	.dbsym r i 16 i
	.dbend
	.dbfunc e delay_5ms _delay_5ms fV
;              i -> R16,R17
	.even
_delay_5ms::
	.dbline -1
	.dbline 12
; }
; 
; void delay_5ms()    //  延时 5ms
; {
	.dbline 14
;  unsigned int i;
;  for(i=0;i<2855;i++)
	clr R16
	clr R17
	xjmp L10
L7:
	.dbline 15
;  ;
L8:
	.dbline 14
	subi R16,255  ; offset = 1
	sbci R17,255
L10:
	.dbline 14
	cpi R16,39
	ldi R30,11
	cpc R17,R30
	brlo L7
X1:
	.dbline -2
L6:
	.dbline 0 ; func end
	ret
	.dbsym r i 16 i
	.dbend
	.dbfunc e delay _delay fV
;              i -> R20,R21
;              n -> R10,R11
	.even
_delay::
	xcall push_xgset300C
	movw R10,R16
	.dbline -1
	.dbline 18
; }
; void delay(unsigned int n)
; {
	.dbline 19
;  unsigned int i=0;
	clr R20
	clr R21
	.dbline 20
;  for(i=0;i<n;i++)
	xjmp L15
L12:
	.dbline 21
;  delay_1ms();
	xcall _delay_1ms
L13:
	.dbline 20
	subi R20,255  ; offset = 1
	sbci R21,255
L15:
	.dbline 20
	cp R20,R10
	cpc R21,R11
	brlo L12
X2:
	.dbline -2
L11:
	.dbline 0 ; func end
	xjmp pop_xgset300C
	.dbsym r i 20 i
	.dbsym r n 10 i
	.dbend
	.dbfile C:\DOCUME~1\Administrator\桌面\led111.c
	.dbfunc e delay_10ms _delay_10ms fV
;              i -> R16,R17
	.even
_delay_10ms::
	.dbline -1
	.dbline 11
; //ICC-AVR application builder : 2007-8-14 PM 06:01:06
; // Target : M128
; // Crystal: 1.0000Mhz
; 
; #include <iom128v.h>
; #include <macros.h>
; #include "delay.h"
; 
; 
; void delay_10ms()
; {
	.dbline 13
;  unsigned int i;
;  for(i=0;i<5712;i++)
	clr R16
	clr R17
	xjmp L20
L17:
	.dbline 14
;  ;
L18:
	.dbline 13
	subi R16,255  ; offset = 1
	sbci R17,255
L20:
	.dbline 13
	cpi R16,80
	ldi R30,22
	cpc R17,R30
	brlo L17
X3:
	.dbline -2
L16:
	.dbline 0 ; func end
	ret
	.dbsym r i 16 i
	.dbend
	.dbfunc e delay_100ms _delay_100ms fV
;              i -> R20,R21
	.even
_delay_100ms::
	st -y,R20
	st -y,R21
	.dbline -1
	.dbline 18
; }
; 
; void delay_100ms()
; {
	.dbline 20
;  unsigned int i;
;  for(i=0;i<10;i++)
	clr R20
	clr R21
	xjmp L25
L22:
	.dbline 21
;  delay_10ms();
	xcall _delay_10ms
L23:
	.dbline 20
	subi R20,255  ; offset = 1
	sbci R21,255
L25:
	.dbline 20
	cpi R20,10
	ldi R30,0
	cpc R21,R30
	brlo L22
X4:
	.dbline -2
L21:
	.dbline 0 ; func end
	ld R21,y+
	ld R20,y+
	ret
	.dbsym r i 20 i
	.dbend
	.dbfunc e delay_1s _delay_1s fV
;              i -> y+0
	.even
_delay_1s::
	sbiw R28,4
	.dbline -1
	.dbline 25
; }
; 
; void delay_1s()
; {
	.dbline 27
;  unsigned long i;
;  for(i=0;i<1000000;i++)
	ldi R24,0
	ldi R25,0
	ldi R26,0
	ldi R27,0
	std y+0,R24
	std y+1,R25
	std y+2,R26
	std y+3,R27
	xjmp L30
L27:
	.dbline 28
;   ;
L28:
	.dbline 27
	ldi R24,1
	ldi R25,0
	ldi R26,0
	ldi R27,0
	ldd R2,y+0
	ldd R3,y+1
	ldd R4,y+2
	ldd R5,y+3
	add R2,R24
	adc R3,R25
	adc R4,R26
	adc R5,R27
	std y+0,R2
	std y+1,R3
	std y+2,R4
	std y+3,R5
L30:
	.dbline 27
	ldi R24,64
	ldi R25,66
	ldi R26,15
	ldi R27,0
	ldd R2,y+0
	ldd R3,y+1
	ldd R4,y+2
	ldd R5,y+3
	cp R2,R24
	cpc R3,R25
	cpc R4,R26
	cpc R5,R27
	brlo L27
X5:
	.dbline -2
L26:
	.dbline 0 ; func end
	adiw R28,4
	ret
	.dbsym l i 0 l
	.dbend
	.dbfunc e main _main fV
	.even
_main::
	.dbline -1
	.dbline 31
; }
; void main()
; {
	xjmp L33
L32:
	.dbline 36
; 
; // PORTB=0x00;
; // DDRB=0xff;
;  while(1)
;  {
	.dbline 38
; 
;   delay_1s();
	xcall _delay_1s
	.dbline 42
;  //PORTB=~PORTB;
;  
; 
;  }
L33:
	.dbline 35
	xjmp L32
X6:
	.dbline -2
L31:
	.dbline 0 ; func end
	ret
	.dbend
; }