main.lst

单片机源代码

   1               		.file	"main.c"
   2               		.arch at90s2313
   3               	__SREG__ = 0x3f
   4               	__SP_H__ = 0x3e
   5               	__SP_L__ = 0x3d
   6               	__tmp_reg__ = 0
   7               	__zero_reg__ = 1
   8               		.global __do_copy_data
   9               		.global __do_clear_bss
  11               		.text
  12               	.Ltext0:
  53               	.global	putc
  55               	putc:
   1:main.c        **** /*
   2:main.c        **** 	查询方式UART测试程序 
   3:main.c        **** 	main.c
   4:main.c        **** 	MCU:AT90S2313
   5:main.c        **** 	时钟：4MHz
   6:main.c        **** 	
   7:main.c        **** 	芯艺 2004-09-18
   8:main.c        **** */
   9:main.c        **** 
  10:main.c        **** #include <avr/io.h>
  11:main.c        **** 
  12:main.c        **** #define uchar unsigned char
  13:main.c        **** #define uint unsigned int
  14:main.c        **** 
  15:main.c        **** void putc(uchar c)
  16:main.c        **** {
  57               	.LM1:
  58               	/* prologue: frame size=0 */
  59               	/* prologue end (size=0) */
  60               	.L2:
  17:main.c        **** 	loop_until_bit_is_set(UCR,UDRE);
  62               	.LM2:
  63 0000 559B      		sbis 42-0x20,5
  64 0002 FECF      		rjmp .L2
  18:main.c        **** 	UDR=c;
  66               	.LM3:
  67 0004 8CB9      		out 44-0x20,r24
  68               	/* epilogue: frame size=0 */
  69 0006 0895      		ret
  70               	/* epilogue end (size=1) */
  71               	/* function putc size 4 (3) */
  74               	.global	getc
  76               	getc:
  19:main.c        **** }
  20:main.c        **** 
  21:main.c        **** uchar getc(void)
  22:main.c        **** {
  78               	.LM4:
  79               	/* prologue: frame size=0 */
  80               	/* prologue end (size=0) */
  81               	.L6:
  23:main.c        **** 	loop_until_bit_is_set(UCR,RXC);	
  83               	.LM5:
  84 0008 579B      		sbis 42-0x20,7
  85 000a FECF      		rjmp .L6
  24:main.c        **** 	return UDR;
  87               	.LM6:
  88 000c 8CB1      		in r24,44-0x20
  25:main.c        **** }
  90               	.LM7:
  91 000e 9927      		clr r25
  92               	/* epilogue: frame size=0 */
  93 0010 0895      		ret
  94               	/* epilogue end (size=1) */
  95               	/* function getc size 5 (4) */
  98               	.global	main
 100               	main:
  26:main.c        **** 
  27:main.c        **** int  main(void) 
  28:main.c        **** {
 102               	.LM8:
 103               	/* prologue: frame size=0 */
 104 0012 C0E0      		ldi r28,lo8(__stack - 0)
 105 0014 D0E0      		ldi r29,hi8(__stack - 0)
 106 0016 DEBF      		out __SP_H__,r29
 107 0018 CDBF      		out __SP_L__,r28
 108               	/* prologue end (size=4) */
  29:main.c        **** 	//uart 初始化
  30:main.c        ****  	UCR=(1<<RXEN)|(1<<TXEN);	
 110               	.LM9:
 111 001a 88E1      		ldi r24,lo8(24)
 112 001c 8AB9      		out 42-0x20,r24
  31:main.c        **** 	UBRR=25; //baud=9600    UBRR=CK/(9600*16) -1   
 114               	.LM10:
 115 001e 89E1      		ldi r24,lo8(25)
 116 0020 89B9      		out 41-0x20,r24
 117               	.L10:
  32:main.c        **** 	
  33:main.c        **** 	while(1)
  34:main.c        **** 	{
  35:main.c        **** 		putc(getc());
 119               	.LM11:
 120 0022 F2DF      		rcall getc
 121 0024 EDDF      		rcall putc
 122 0026 FDCF      		rjmp .L10
 123               	/* epilogue: frame size=0 */
 124               	/* epilogue: noreturn */
 125               	/* epilogue end (size=0) */
 126               	/* function main size 11 (7) */
 128               		.text
 130               	Letext:
 131               	/* File "main.c": code   20 = 0x0014 (  14), prologues   4, epilogues   2 */
DEFINED SYMBOLS
                            *ABS*:00000000 main.c
                            *ABS*:0000003f __SREG__
                            *ABS*:0000003e __SP_H__
                            *ABS*:0000003d __SP_L__
                            *ABS*:00000000 __tmp_reg__
                            *ABS*:00000001 __zero_reg__
J:\DOCUME~1\tcf\LOCALS~1\Temp/ccScaaaa.s:55     .text:00000000 putc
J:\DOCUME~1\tcf\LOCALS~1\Temp/ccScaaaa.s:76     .text:00000008 getc
J:\DOCUME~1\tcf\LOCALS~1\Temp/ccScaaaa.s:100    .text:00000012 main
J:\DOCUME~1\tcf\LOCALS~1\Temp/ccScaaaa.s:130    .text:00000028 Letext

UNDEFINED SYMBOLS
__do_copy_data
__do_clear_bss
__stack