02-8a-7.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 D01B      RCALL	_main
_exit:
    0039 CFFF      RJMP	_exit
FILE: D:\xij\demo\demo_diy02-8a\1\C语言\02-8A-7\7.c
(0001) #include	"iom48v.h"
(0002) 
(0003) void		port_init()
(0004) {
(0005)  PORTD=0XFF;DDRD=0XFB;//设置PD2输入，其它输出
_port_init:
    003A EF8F      LDI	R24,0xFF
    003B B98B      OUT	0x0B,R24
    003C EF8B      LDI	R24,0xFB
    003D B98A      OUT	0x0A,R24
    003E 9508      RET
(0006) }
(0007) 
(0008) void delay_us(int time)
(0009) {   //微秒延时  
(0010)  do
(0011)  {
(0012)   time--;
_delay_us:
  time                 --> R16
    003F 5001      SUBI	R16,1
    0040 4010      SBCI	R17,0
(0013)  }	
(0014)   while (time>1);
    0041 E081      LDI	R24,1
    0042 E090      LDI	R25,0
    0043 1780      CP	R24,R16
    0044 0791      CPC	R25,R17
    0045 F3CC      BLT	0x003F
    0046 9508      RET
_delay_ms:
  time                 --> R20
    0047 D025      RCALL	push_gset1
    0048 01A8      MOVW	R20,R16
(0015) }	  
(0016) 
(0017) void delay_ms(unsigned int time)
(0018) {   //毫秒延时
    0049 C005      RJMP	0x004F
(0019)  while(time!=0)
(0020)  {		
(0021)   delay_us(1000);
    004A EE08      LDI	R16,0xE8
    004B E013      LDI	R17,3
    004C DFF2      RCALL	_delay_us
(0022)   time--;
    004D 5041      SUBI	R20,1
    004E 4050      SBCI	R21,0
    004F 3040      CPI	R20,0
    0050 0745      CPC	R20,R21
    0051 F7C1      BNE	0x004A
    0052 D01D      RCALL	pop_gset1
    0053 9508      RET
(0023)  }
(0024) }
(0025) 
(0026) void		main()
(0027) {
(0028)  unsigned		  char i;
(0029)  port_init();	  //端口初始化
_main:
  i                    --> R20
    0054 DFE5      RCALL	_port_init
    0055 C00D      RJMP	0x0063
(0030)  while(1){
(0031)  i=PIND&0x04;   		  //读出PD2口状态
    0056 B149      IN	R20,0x09
    0057 7044      ANDI	R20,4
(0032)  if(i==0)
    0058 F441      BNE	0x0061
(0033)  	 {PORTD^=0x8;
    0059 E088      LDI	R24,0x8
    005A B02B      IN	R2,0x0B
    005B 2628      EOR	R2,R24
    005C B82B      OUT	0x0B,R2
(0034) 	 delay_ms(100);}
    005D E604      LDI	R16,0x64
    005E E010      LDI	R17,0
    005F DFE7      RCALL	_delay_ms
    0060 C002      RJMP	0x0063
(0035)  else
(0036)  	 PORTD=0XFF; 
FILE: <library>
    0061 EF8F      LDI	R24,0xFF
    0062 B98B      OUT	0x0B,R24
    0063 CFF2      RJMP	0x0056
    0064 9508      RET
push_gset5:
    0065 92FA      ST	R15,-Y
    0066 92EA      ST	R14,-Y
push_gset4:
    0067 92DA      ST	R13,-Y
    0068 92CA      ST	R12,-Y
push_gset3:
    0069 92BA      ST	R11,-Y
    006A 92AA      ST	R10,-Y
push_gset2:
    006B 937A      ST	R23,-Y
    006C 936A      ST	R22,-Y
push_gset1:
    006D 935A      ST	R21,-Y
    006E 934A      ST	R20,-Y
    006F 9508      RET
pop_gset1:
    0070 E0E1      LDI	R30,1
pop:
    0071 9149      LD	R20,Y+
    0072 9159      LD	R21,Y+
    0073 FDE0      SBRC	R30,0
    0074 9508      RET
    0075 9169      LD	R22,Y+
    0076 9179      LD	R23,Y+
    0077 FDE1      SBRC	R30,1
    0078 9508      RET
    0079 90A9      LD	R10,Y+
    007A 90B9      LD	R11,Y+
    007B FDE2      SBRC	R30,2
    007C 9508      RET
    007D 90C9      LD	R12,Y+
    007E 90D9      LD	R13,Y+
    007F FDE3      SBRC	R30,3
    0080 9508      RET
    0081 90E9      LD	R14,Y+
    0082 90F9      LD	R15,Y+
    0083 9508      RET