led流水灯.s

AVR之ATMega16

	.module led流水灯.c
	.area text(rom, con, rel)
	.dbfile H:\AVRMega16\LED流水灯/delay.h
	.dbfunc e DelayUS _DelayUS fV
;           time -> R16,R17
	.even
_DelayUS::
	.dbline -1
	.dbline 9
; //内部晶振 8M
; //包含所需头文件
; #include <ioM16v.h>
; #include <macros.h>
; #include "delay.h"
; 
; 
; 
; /*------宏定义------*/
	xjmp L3
L2:
	.dbline 11
	subi R16,1
	sbci R17,0
L3:
	.dbline 10
; #define uchar	unsigned char
	ldi R24,1
	ldi R25,0
	cp R24,R16
	cpc R25,R17
	brlo L2
	.dbline -2
L1:
	.dbline 0 ; func end
	ret
	.dbsym r time 16 i
	.dbend
	.dbfunc e DelayMS _DelayMS fV
;              i -> R20,R21
;           time -> R16,R17
	.even
_DelayMS::
	xcall push_gset1
	.dbline -1
	.dbline 20
; #define uint	unsigned int
; 
; 
; 
; //端口初始化
; void port_init(void)
; {
;  PORTA = 0x00;//A口数据置0
;  DDRA  = 0xFF;//A口设为输出
;  PORTB = 0x00;//B口数据置1
	xjmp L7
L6:
	.dbline 23
;  DDRB  = 0x00;//B口设为输入
;  PORTC = 0x00;
;  DDRC  = 0xFF;
	.dbline 24
;  PORTD = 0x00;
	ldi R20,1
	ldi R21,0
	xjmp L12
L9:
	.dbline 25
L10:
	.dbline 24
	subi R20,255  ; offset = 1
	sbci R21,255
L12:
	.dbline 24
	cpi R20,118
	ldi R30,4
	cpc R21,R30
	brlo L9
	.dbline 26
L7:
	.dbline 22
	movw R2,R16
	subi R16,1
	sbci R17,0
	tst R2
	brne L6
	tst R3
	brne L6
X0:
	.dbline -2
L5:
	xcall pop_gset1
	.dbline 0 ; func end
	ret
	.dbsym r i 20 i
	.dbsym r time 16 i
	.dbend
	.dbfile led流水灯.c
	.dbfunc e port_init _port_init fV
	.even
_port_init::
	.dbline -1
	.dbline 17
	.dbline 18
	clr R2
	out 0x1b,R2
	.dbline 19
	ldi R24,255
	out 0x1a,R24
	.dbline 20
	out 0x18,R2
	.dbline 21
	out 0x17,R2
	.dbline 22
	out 0x15,R2
	.dbline 23
	out 0x14,R24
	.dbline 24
	out 0x12,R2
	.dbline 25
;  DDRD  = 0xFF;
	out 0x11,R24
	.dbline -2
L13:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e init_devices _init_devices fV
	.even
_init_devices::
	.dbline -1
	.dbline 30
; }
; 
; 
; void init_devices(void)
; {
	.dbline 31
;  CLI(); //禁止所有中断
	cli
	.dbline 32
;  MCUCR  = 0x00;//INT0、INT1中断触发方式
	clr R2
	out 0x35,R2
	.dbline 33
;  MCUCSR = 0x80;//禁止JTAG
	ldi R24,128
	out 0x34,R24
	.dbline 34
;  GICR   = 0x00;//外部中断使能
	out 0x3b,R2
	.dbline 35
;  port_init();
	xcall _port_init
	.dbline -2
L14:
	.dbline 0 ; func end
	ret
	.dbend
	.dbfunc e main _main fV
;              n -> R20,R21
;              j -> R22
	.even
_main::
	.dbline -1
	.dbline 40
;  //SEI();//开全局中断
; }
; //主函数
; void main(void)
; {
	.dbline 41
;    uint n=0;
	clr R20
	clr R21
	.dbline 42
;   uchar j=0xfe;//定义变量初值
	ldi R22,254
	.dbline 43
;   init_devices();//调用初始函数
	xcall _init_devices
	xjmp L17
L16:
	.dbline 47
; 
; 
;  while(1)
;  {
	.dbline 48
;   for(n=0;n<7;n++)//设置循环
	clr R20
	clr R21
	xjmp L22
L19:
	.dbline 49
	.dbline 50
	out 0x1b,R22
	.dbline 51
	mov R2,R22
	lsr R2
	lsr R2
	lsr R2
	lsr R2
	lsr R2
	lsr R2
	lsr R2
	mov R3,R22
	lsl R3
	or R3,R2
	mov R22,R3
	.dbline 52
	ldi R16,500
	ldi R17,1
	xcall _DelayMS
	.dbline 53
L20:
	.dbline 48
	subi R20,255  ; offset = 1
	sbci R21,255
L22:
	.dbline 48
	cpi R20,7
	ldi R30,0
	cpc R21,R30
	brlo L19
	.dbline 54
; {
; PORTA=j;
; j=(j<<1)|(j>>7);//LED左移
; DelayMS(500);//延时程序
; }
;   for(n=0;n<7;n++)
	clr R20
	clr R21
	xjmp L26
L23:
	.dbline 55
	.dbline 56
	out 0x1b,R22
	.dbline 57
	mov R2,R22
	lsl R2
	lsl R2
	lsl R2
	lsl R2
	lsl R2
	lsl R2
	lsl R2
	mov R3,R22
	lsr R3
	or R3,R2
	mov R22,R3
	.dbline 58
	ldi R16,500
	ldi R17,1
	xcall _DelayMS
	.dbline 59
L24:
	.dbline 54
	subi R20,255  ; offset = 1
	sbci R21,255
L26:
	.dbline 54
	cpi R20,7
	ldi R30,0
	cpc R21,R30
	brlo L23
	.dbline 60
L17:
	.dbline 46
	xjmp L16
X1:
	.dbline -2
L15:
	.dbline 0 ; func end
	ret
	.dbsym r n 20 i
	.dbsym r j 22 c
	.dbend