2.lst

16个单片机c语言实验程序

__start:
__text_start:
      2A E5CF      LDI	R28,0x5F
      2B E0D4      LDI	R29,4
      2C BFCD      OUT	0x3D,R28
      2D BFDE      OUT	0x3E,R29
      2E 51CE      SUBI	R28,0x1E
      2F 40D0      SBCI	R29,0
      30 EA0A      LDI	R16,0xAA
      31 8308      STD	Y+0,R16
      32 2400      CLR	R0
      33 E6E0      LDI	R30,0x60
      34 E0F0      LDI	R31,0
      35 E010      LDI	R17,0
      36 36E0      CPI	R30,0x60
      37 07F1      CPC	R31,R17
      38 F011      BEQ	0x003B
      39 9201      ST	R0,Z+
      3A CFFB      RJMP	0x0036
      3B 8300      STD	Z+0,R16
      3C E5E4      LDI	R30,0x54
      3D E0F0      LDI	R31,0
      3E E6A0      LDI	R26,0x60
      3F E0B0      LDI	R27,0
      40 E010      LDI	R17,0
      41 E000      LDI	R16,0
      42 BF0B      OUT	0x3B,R16
      43 35E4      CPI	R30,0x54
      44 07F1      CPC	R31,R17
      45 F021      BEQ	0x004A
      46 95C8      LPM
      47 9631      ADIW	R30,1
      48 920D      ST	R0,X+
      49 CFF9      RJMP	0x0043
      4A 940E 0056 CALL	_main
_exit:
      4C CFFF      RJMP	_exit
FILE: D:\16实验程序\延时试验\2.c
(0001) #include "iom16v.h"  
(0002) 
(0003) //延时函数
(0004) //在16MHz时产生ms=2000时产生1ms的延时
(0005) void s_ms(unsigned int ms)
(0006) {
(0007) 	for(;ms>1;ms--);
_s_ms:
  ms                   --> R16
      4D C002      RJMP	0x0050
      4E 5001      SUBI	R16,1
      4F 4010      SBCI	R17,0
      50 E081      LDI	R24,1
      51 E090      LDI	R25,0
      52 1780      CP	R24,R16
      53 0791      CPC	R25,R17
      54 F3C8      BCS	0x004E
      55 9508      RET
(0008) }	
(0009)  
(0010) main()
(0011)  {
(0012)  DDRD=0xff;
_main:
      56 EF8F      LDI	R24,0xFF
      57 BB81      OUT	0x11,R24
      58 C00A      RJMP	0x0063
(0013)  //在端口d产生500Hz的信号
(0014)  while(1)
(0015)    {
(0016)    PORTD=0xff;
      59 EF8F      LDI	R24,0xFF
      5A BB82      OUT	0x12,R24
(0017)    s_ms(1000);
      5B EE08      LDI	R16,0xE8
      5C E013      LDI	R17,3
      5D DFEF      RCALL	_s_ms
(0018)    PORTD=0x00;
      5E 2422      CLR	R2
      5F BA22      OUT	0x12,R2
(0019)    s_ms(1000);
FILE: <library>
      60 EE08      LDI	R16,0xE8
      61 E013      LDI	R17,3
      62 DFEA      RCALL	_s_ms
      63 CFF5      RJMP	0x0059
      64 9508      RET