main.s

MEGA16单片机程序包2

	.module main.c
	.area text(rom, con, rel)
	.dbfile F:\USING0~1\motor_line\main.c
	.dbfunc e delay _delay fV
;              i -> R20,R21
;              n -> R16,R17
	.even
_delay::
	xcall push_gset1
	.dbline -1
	.dbline 4
; #include "main.h"
; 
; void delay(unsigned int n)       //N ms延时函数 
;   { 
	xjmp L3
L2:
	.dbline 7
	clr R20
	clr R21
	xjmp L8
L5:
	.dbline 7
L6:
	.dbline 7
	subi R20,255  ; offset = 1
	sbci R21,255
L8:
	.dbline 7
	cpi R20,125
	ldi R30,0
	cpc R21,R30
	brlo L5
L3:
	.dbline 6
;    unsigned int i;
;    while(n--) 
	movw R2,R16
	subi R16,1
	sbci R17,0
	tst R2
	brne L2
	tst R3
	brne L2
X0:
	.dbline -2
L1:
	xcall pop_gset1
	.dbline 0 ; func end
	ret
	.dbsym r i 20 i
	.dbsym r n 16 i
	.dbend
	.dbfunc e ReadPin _ReadPin fc
;              i -> R16
	.even
_ReadPin::
	.dbline -1
	.dbline 11
;    for (i=0;i<125;i++); 
;   } 
;   
; unsigned char ReadPin(void)
; {
	.dbline 16
;  unsigned char i;
;  
; /* 定义上拉电阻和设置高电平输出 */
; /* 为端口引脚定义方向 */
; PORTC = 0XFF;
	ldi R24,255
	out 0x15,R24
	.dbline 17
; DDRC = 0X00;
	clr R2
	out 0x14,R2
	.dbline 19
; /* 为了同步插入nop 指令*/
; _NOP();
	nop
	.dbline 21
; /* 读取端口引脚*/
; i = PINC;
	in R16,0x13
	.dbline -2
L9:
	.dbline 0 ; func end
	ret
	.dbsym r i 16 c
	.dbend
	.dbfunc e car_turn _car_turn fV
;            mes -> R20
	.even
_car_turn::
	xcall push_gset1
	mov R20,R16
	.dbline -1
	.dbline 25
; }
; 
; void  car_turn(unsigned char mes)
; {
	.dbline 26
;   switch(mes)
	clr R21
	cpi R20,231
	ldi R30,0
	cpc R21,R30
	breq L17
	ldi R24,231
	ldi R25,0
	cp R24,R20
	cpc R25,R21
	brlt L21
L20:
	cpi R20,207
	ldi R30,0
	cpc R21,R30
	breq L18
	cpi R20,207
	ldi R30,0
	cpc R21,R30
	brlt L11
L22:
	cpi R20,223
	ldi R30,0
	cpc R21,R30
	breq L16
	xjmp L11
L21:
	cpi R20,247
	ldi R30,0
	cpc R21,R30
	breq L14
	ldi R24,247
	ldi R25,0
	cp R24,R20
	cpc R25,R21
	brlt L24
L23:
	cpi R20,239
	ldi R30,0
	cpc R21,R30
	breq L15
	xjmp L11
L24:
	cpi R20,255
	ldi R30,0
	cpc R21,R30
	breq L19
	xjmp L11
X1:
	.dbline 27
;        {
L14:
	.dbline 28
; 	    case 0xf7:  for_left();                     break;
	xcall _for_left
	.dbline 28
	xjmp L12
L15:
	.dbline 30
; 		
; 		case 0xef:  forward();                      break;
	xcall _forward
	.dbline 30
	xjmp L12
L16:
	.dbline 32
; 					
; 		case 0xdf:  for_right();                    break;
	xcall _for_right
	.dbline 32
	xjmp L12
L17:
	.dbline 34
; 		            
; 		case 0xe7:  for_left();                     break;
	xcall _for_left
	.dbline 34
	xjmp L12
L18:
	.dbline 36
; 		              
; 		case 0xcf:  for_right();                    break;
	xcall _for_right
	.dbline 36
	xjmp L12
L19:
	.dbline 38
; 		
; 		case 0xff:  backward();                     break;
	xcall _backward
	.dbline 38
	xjmp L12
L11:
	.dbline 40
	xcall _forward
	.dbline 40
L12:
	.dbline -2
L10:
	xcall pop_gset1
	.dbline 0 ; func end
	ret
	.dbsym r mes 20 c
	.dbend
	.dbfunc e main _main fV
;            pin -> R20
	.even
_main::
	.dbline -1
	.dbline 47
; 		
; 		default:    forward();                      break;             
; 					            
; 		}
; }
; 
; 
; void main()
; {
	.dbline 48
;  unsigned char pin = 0x00;
	clr R20
	xjmp L27
L26:
	.dbline 50
	.dbline 51
	xcall _ReadPin
	mov R20,R16
	.dbline 52
	xcall _car_turn
	.dbline 53
L27:
	.dbline 49
	xjmp L26
X2:
	.dbline -2
L25:
	.dbline 0 ; func end
	ret
	.dbsym r pin 20 c
	.dbend