m16_t0_counter.lst

我最近使用的一些程序代码

__text_start:
__start:
    0034 E5CF      LDI	R28,0x5F
    0035 E0D4      LDI	R29,4
    0036 BFCD      OUT	0x3D,R28
    0037 BFDE      OUT	0x3E,R29
    0038 51C4      SUBI	R28,0x14
    0039 40D0      SBCI	R29,0
    003A EA0A      LDI	R16,0xAA
    003B 8308      STD	Y+0,R16
    003C 2400      CLR	R0
    003D E7E4      LDI	R30,0x74
    003E E0F0      LDI	R31,0
    003F E010      LDI	R17,0
    0040 37E4      CPI	R30,0x74
    0041 07F1      CPC	R31,R17
    0042 F011      BEQ	0x0045
    0043 9201      ST	R0,Z+
    0044 CFFB      RJMP	0x0040
    0045 8300      STD	Z+0,R16
    0046 E5E4      LDI	R30,0x54
    0047 E0F0      LDI	R31,0
    0048 E6A0      LDI	R26,0x60
    0049 E0B0      LDI	R27,0
    004A E010      LDI	R17,0
    004B 36E8      CPI	R30,0x68
    004C 07F1      CPC	R31,R17
    004D F021      BEQ	0x0052
    004E 95C8      LPM
    004F 9631      ADIW	R30,1
    0050 920D      ST	R0,X+
    0051 CFF9      RJMP	0x004B
    0052 940E00BD  CALL	_main
_exit:
    0054 CFFF      RJMP	_exit
_DelayMs:
  j                    --> R20
  i                    --> R16
    0055 940E00EE  CALL	push_gset1
FILE: F:\myavr\temp\M16_T0_Counter\M16_T0_Counter.c
(0001) #include <iom16v.h>
(0002) #define uchar unsigned char
(0003) #define uint unsigned int
(0004) 
(0005) //segment code 0123456789
(0006) uchar Table[10]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};
(0007) uint Data[4]={0,0,0,0};
(0008) uint CNT=0;
(0009) 
(0010) void DelayMs(uchar i)
(0011) {
(0012)  uchar j;
(0013)  for(;i>0;i--)
    0057 C006      RJMP	0x005E
(0014)  {
(0015)   for(j=0;j<250;j++);
    0058 2744      CLR	R20
    0059 C001      RJMP	0x005B
    005A 9543      INC	R20
    005B 3F4A      CPI	R20,0xFA
    005C F3E8      BCS	0x005A
    005D 950A      DEC	R16
    005E 2422      CLR	R2
    005F 1620      CP	R2,R16
    0060 F3B8      BCS	0x0058
(0016)  }
(0017) }
    0061 940E00F1  CALL	pop_gset1
    0063 9508      RET
_Display:
  sel                  --> R20
  i                    --> R22
  p                    --> R10
    0064 940E0109  CALL	push_gset3
    0066 0158      MOVW	R10,R16
(0018) 
(0019) void Display(uint *p)
(0020) {
(0021)  uchar i,sel=0x01;
    0067 E041      LDI	R20,1
(0022)  for(i=0;i<4;i++)
    0068 2766      CLR	R22
    0069 C013      RJMP	0x007D
(0023)  {
(0024)   PORTC=sel;
    006A BB45      OUT	0x15,R20
(0025)   PORTA=Table[p[i]];
    006B E082      LDI	R24,2
    006C 9F86      MUL	R24,R22
    006D 01F0      MOVW	R30,R0
    006E 0DEA      ADD	R30,R10
    006F 1DFB      ADC	R31,R11
    0070 8020      LDD	R2,Z+0
    0071 8031      LDD	R3,Z+1
    0072 E680      LDI	R24,0x60
    0073 E090      LDI	R25,0
    0074 01F1      MOVW	R30,R2
    0075 0FE8      ADD	R30,R24
    0076 1FF9      ADC	R31,R25
    0077 8020      LDD	R2,Z+0
    0078 BA2B      OUT	0x1B,R2
(0026)   DelayMs(2);
    0079 E002      LDI	R16,2
    007A DFDA      RCALL	_DelayMs
(0027)   sel=sel<<1;
    007B 0F44      LSL	R20
    007C 9563      INC	R22
    007D 3064      CPI	R22,4
    007E F358      BCS	0x006A
(0028)  }
(0029) }
    007F 940E00EB  CALL	pop_gset3
    0081 9508      RET
_Process:
  p                    --> R22
  i                    --> R20
    0082 940E0105  CALL	push_gset2
    0084 01B9      MOVW	R22,R18
    0085 01A8      MOVW	R20,R16
(0030) 
(0031) void Process(uint i,uint *p)//由于T0是8位定时/计数器，最大计数值为255
(0032) {                           // 所以下面的p[0]用不着
(0033)  p[0]=i/1000;
    0086 EE28      LDI	R18,0xE8
    0087 E033      LDI	R19,3
    0088 018A      MOVW	R16,R20
    0089 940E00CE  CALL	div16u
    008B 01FB      MOVW	R30,R22
    008C 8311      STD	Z+1,R17
    008D 8300      STD	Z+0,R16
(0034)  i=i%1000;
(0035)  p[1]=i/100;
    008E EE28      LDI	R18,0xE8
    008F E033      LDI	R19,3
    0090 018A      MOVW	R16,R20
    0091 940E00CC  CALL	mod16u
    0093 01A8      MOVW	R20,R16
    0094 E624      LDI	R18,0x64
    0095 E030      LDI	R19,0
    0096 940E00CE  CALL	div16u
    0098 01FB      MOVW	R30,R22
    0099 8313      STD	Z+3,R17
    009A 8302      STD	Z+2,R16
(0036)  i=i%100;
(0037)  p[2]=i/10;
    009B E624      LDI	R18,0x64
    009C E030      LDI	R19,0
    009D 018A      MOVW	R16,R20
    009E 940E00CC  CALL	mod16u
    00A0 01A8      MOVW	R20,R16
    00A1 E02A      LDI	R18,0xA
    00A2 E030      LDI	R19,0
    00A3 940E00CE  CALL	div16u
    00A5 01FB      MOVW	R30,R22
    00A6 8315      STD	Z+5,R17
    00A7 8304      STD	Z+4,R16
(0038)  i=i%10;
(0039)  p[3]=i;
    00A8 E02A      LDI	R18,0xA
    00A9 E030      LDI	R19,0
    00AA 018A      MOVW	R16,R20
    00AB 940E00CC  CALL	mod16u
    00AD 01A8      MOVW	R20,R16
    00AE 01FB      MOVW	R30,R22
    00AF 8357      STD	Z+7,R21
    00B0 8346      STD	Z+6,R20
(0040) }
    00B1 940E00E8  CALL	pop_gset2
    00B3 9508      RET
(0041) 
(0042) void Init_IO(void)
(0043) {
(0044)  DDRA=0xff;
_Init_IO:
    00B4 EF8F      LDI	R24,0xFF
    00B5 BB8A      OUT	0x1A,R24
(0045)  PORTA=0xff;
    00B6 BB8B      OUT	0x1B,R24
(0046)  DDRC=0xff;
    00B7 BB84      OUT	0x14,R24
(0047)  PORTC=0xff;
    00B8 BB85      OUT	0x15,R24
(0048)  DDRB=0x00;
    00B9 2422      CLR	R2
    00BA BA27      OUT	0x17,R2
(0049)  PORTB=0x00;
    00BB BA28      OUT	0x18,R2
(0050) }
    00BC 9508      RET
(0051) 
(0052) void main(void)
(0053) {
(0054)  uint load;
(0055)  Init_IO();
_main:
  load                 --> R20
    00BD DFF6      RCALL	_Init_IO
(0056)  TCCR0=0x06;//T0工作在计数方式，T0是8位，所以最大计数值为255；
    00BE E086      LDI	R24,6
    00BF BF83      OUT	0x33,R24
    00C0 C009      RJMP	0x00CA
(0057)  //TCCR1B=0x07;//T1工作在计数方式，T1是16位，所以最大计数值为65535；
(0058)  //TCNT1H=CNT;
(0059)  //TCNT1L=CNT;
(0060)  while(1)
(0061)  {
(0062)   load=TCNT0;//T0工作在8位计数方式
(0063)   //load=(TCNT1H<<8)+TCNT1L;//T1工作在16位计数方式
(0064)   Process(load,Data);
    00C1 B742      IN	R20,0x32
    00C2 2755      CLR	R21
    00C3 E62A      LDI	R18,0x6A
    00C4 E030      LDI	R19,0
    00C5 018A      MOVW	R16,R20
    00C6 DFBB      RCALL	_Process
(0065)   Display(Data);
    00C7 E60A      LDI	R16,0x6A
    00C8 E010      LDI	R17,0
    00C9 DF9A      RCALL	_Display
    00CA CFF6      RJMP	0x00C1
(0066)  }
(0067) }
FILE: <library>
    00CB 9508      RET
mod16u:
    00CC 9468      BSET	6
    00CD C001      RJMP	xdiv16u
div16u:
    00CE 94E8      BCLR	6
xdiv16u:
    00CF 92EA      ST	R14,-Y
    00D0 92FA      ST	R15,-Y
    00D1 938A      ST	R24,-Y
    00D2 24EE      CLR	R14
    00D3 24FF      CLR	R15
    00D4 E180      LDI	R24,0x10
    00D5 0F00      LSL	R16
    00D6 1F11      ROL	R17
    00D7 1CEE      ROL	R14
    00D8 1CFF      ROL	R15
    00D9 16E2      CP	R14,R18
    00DA 06F3      CPC	R15,R19
    00DB F018      BCS	0x00DF
    00DC 1AE2      SUB	R14,R18
    00DD 0AF3      SBC	R15,R19
    00DE 9503      INC	R16
    00DF 958A      DEC	R24
    00E0 F7A1      BNE	0x00D5
    00E1 F416      BRTC	0x00E4
    00E2 2D0E      MOV	R16,R14
    00E3 2D1F      MOV	R17,R15
    00E4 9189      LD	R24,Y+
    00E5 90F9      LD	R15,Y+
    00E6 90E9      LD	R14,Y+
    00E7 9508      RET
pop_gset2:
    00E8 E0E2      LDI	R30,2
    00E9 940C00F2  JMP	pop
pop_gset3:
    00EB E0E4      LDI	R30,4
    00EC 940C00F2  JMP	pop
push_gset1:
    00EE 935A      ST	R21,-Y
    00EF 934A      ST	R20,-Y
    00F0 9508      RET
pop_gset1:
    00F1 E0E1      LDI	R30,1
pop:
    00F2 9149      LD	R20,Y+
    00F3 9159      LD	R21,Y+
    00F4 FDE0      SBRC	R30,0
    00F5 9508      RET
    00F6 9169      LD	R22,Y+
    00F7 9179      LD	R23,Y+
    00F8 FDE1      SBRC	R30,1
    00F9 9508      RET
    00FA 90A9      LD	R10,Y+
    00FB 90B9      LD	R11,Y+
    00FC FDE2      SBRC	R30,2
    00FD 9508      RET
    00FE 90C9      LD	R12,Y+
    00FF 90D9      LD	R13,Y+
    0100 FDE3      SBRC	R30,3
    0101 9508      RET
    0102 90E9      LD	R14,Y+
    0103 90F9      LD	R15,Y+
    0104 9508      RET
push_gset2:
    0105 937A      ST	R23,-Y
    0106 936A      ST	R22,-Y
    0107 940C00EE  JMP	push_gset1
push_gset3:
    0109 92BA      ST	R11,-Y
    010A 92AA      ST	R10,-Y
    010B 940C0105  JMP	push_gset2