02-8a-2.lst

这里有11个用ICCAVR开发的源代码,经DEMO板调试后已经通过.

__start:
__text_start:
    001A EFCF      LDI	R28,0xFF
    001B E0D2      LDI	R29,2
    001C BFCD      OUT	0x3D,R28
    001D BFDE      OUT	0x3E,R29
    001E 51C0      SUBI	R28,0x10
    001F 40D0      SBCI	R29,0
    0020 EA0A      LDI	R16,0xAA
    0021 8308      STD	Y+0,R16
    0022 2400      CLR	R0
    0023 E0E0      LDI	R30,0
    0024 E0F1      LDI	R31,1
    0025 E011      LDI	R17,1
    0026 30E0      CPI	R30,0
    0027 07F1      CPC	R31,R17
    0028 F011      BEQ	0x002B
    0029 9201      ST	R0,Z+
    002A CFFB      RJMP	0x0026
    002B 8300      STD	Z+0,R16
    002C E3E4      LDI	R30,0x34
    002D E0F0      LDI	R31,0
    002E E0A0      LDI	R26,0
    002F E0B1      LDI	R27,1
    0030 E010      LDI	R17,0
    0031 33E4      CPI	R30,0x34
    0032 07F1      CPC	R31,R17
    0033 F021      BEQ	0x0038
    0034 95C8      LPM
    0035 9631      ADIW	R30,1
    0036 920D      ST	R0,X+
    0037 CFF9      RJMP	0x0031
    0038 D008      RCALL	_main
_exit:
    0039 CFFF      RJMP	_exit
FILE: D:\xij\demo\demo_diy02-8a\1\C语言\02-8A-2\2.c
(0001) #include	"iom48v.h"
(0002) 
(0003) void		port_init()
(0004) {
(0005)  PORTC=0XFF;DDRC=0XFF;//设置PC为输出
_port_init:
    003A EF8F      LDI	R24,0xFF
    003B B988      OUT	0x08,R24
    003C B987      OUT	0x07,R24
(0006)  PORTB=0XFF;DDRB=0XFE;//设置PB0输入，其它输出
    003D B985      OUT	0x05,R24
    003E EF8E      LDI	R24,0xFE
    003F B984      OUT	0x04,R24
    0040 9508      RET
(0007) }
(0008) 
(0009) void		main()
(0010) {
(0011)  unsigned		  char i;
(0012)  port_init();	  //端口初始化
_main:
  i                    --> R20
    0041 DFF8      RCALL	_port_init
    0042 C008      RJMP	0x004B
(0013)  while(1){
(0014)  i=PINB&0x01;   		  //读出PB0口状态
    0043 B143      IN	R20,0x03
    0044 7041      ANDI	R20,1
(0015)  if(i==0)
    0045 F419      BNE	0x0049
(0016)  	 PORTC=0xfE;
    0046 EF8E      LDI	R24,0xFE
    0047 B988      OUT	0x08,R24
    0048 C002      RJMP	0x004B
(0017)  else
(0018)  	 PORTC=0XFF; 
FILE: <library>
    0049 EF8F      LDI	R24,0xFF
    004A B988      OUT	0x08,R24
    004B CFF7      RJMP	0x0043
    004C 9508      RET