ac14-2.lst

AVR学习资料

__start:
__text_start:
    003B E5CF      LDI	R28,0x5F
    003C E0D4      LDI	R29,4
    003D BFCD      OUT	0x3D,R28
    003E BFDE      OUT	0x3E,R29
    003F 51C0      SUBI	R28,0x10
    0040 40D0      SBCI	R29,0
    0041 EA0A      LDI	R16,0xAA
    0042 8308      STD	Y+0,R16
    0043 2400      CLR	R0
    0044 E6E0      LDI	R30,0x60
    0045 E0F0      LDI	R31,0
    0046 E010      LDI	R17,0
    0047 36E0      CPI	R30,0x60
    0048 07F1      CPC	R31,R17
    0049 F011      BEQ	0x004C
    004A 9201      ST	R0,Z+
    004B CFFB      RJMP	0x0047
    004C 8300      STD	Z+0,R16
    004D E7E5      LDI	R30,0x75
    004E E0F0      LDI	R31,0
    004F E6A0      LDI	R26,0x60
    0050 E0B0      LDI	R27,0
    0051 E010      LDI	R17,0
    0052 37E5      CPI	R30,0x75
    0053 07F1      CPC	R31,R17
    0054 F021      BEQ	0x0059
    0055 95C8      LPM
    0056 9631      ADIW	R30,1
    0057 920D      ST	R0,X+
    0058 CFF9      RJMP	0x0052
    0059 940E005C  CALL	_main
_exit:
    005B CFFF      RJMP	_exit
_main:
  temp                 --> R20
    005C 9722      SBIW	R28,2
FILE: d:\MYDOCU~1\ac14-2\ac14-2.c
(0001) #include <iom16v.h>
(0002) #include <macros.h>
(0003) //----------------------------
(0004) #define uchar unsigned char
(0005) #define uint unsigned int
(0006) //----------------------------
(0007) #define LCM_RS_1 PORTB|=BIT(PB0)
(0008) #define LCM_RS_0 PORTB&=~BIT(PB0)
(0009) #define LCM_RW_1 PORTB|=BIT(PB1)
(0010) #define LCM_RW_0 PORTB&=~BIT(PB1)
(0011) #define LCM_EN_1 PORTB|=BIT(PB2)
(0012) #define LCM_EN_0 PORTB&=~BIT(PB2)
(0013) //------------------------------
(0014) #define DataPort PORTA
(0015) #define Busy 0x80
(0016) #define xtal 8   			
(0017) //---------------------------------
(0018) const uchar exampl[]="--ELECTRONICS--  WORLD magazine\n";
(0019) void Delay_1ms(void);
(0020) void Delay_nms(uint n);
(0021) void WaitForEnable(void);
(0022) void LcdWriteData(uchar W);
(0023) void LcdWriteCommand(uchar CMD,uchar Attribc);
(0024) void InitLcd(void);
(0025) void Display(uchar dd);
(0026) void DisplayOneChar(uchar x,uchar y,uchar Wdata);
(0027) void ePutstr(uchar x,uchar y,uchar const *ptr);
(0028) //******************************************
(0029) void main(void)
(0030) {
(0031)     uchar temp;
(0032) 	Delay_nms(400);
    005D E900      LDI	R16,0x90
    005E E011      LDI	R17,1
    005F D0E5      RCALL	_Delay_nms
(0033) 	DDRA=0xff;PORTA=0x00;
    0060 EF8F      LDI	R24,0xFF
    0061 BB8A      OUT	0x1A,R24
    0062 2422      CLR	R2
    0063 BA2B      OUT	0x1B,R2
(0034) 	DDRB=0xff;PORTB=0x00;
    0064 BB87      OUT	0x17,R24
    0065 BA28      OUT	0x18,R2
(0035) 	InitLcd();
    0066 D07C      RCALL	_InitLcd
(0036) 	temp=32;
    0067 E240      LDI	R20,0x20
(0037) 	ePutstr(0,0,exampl);
    0068 E584      LDI	R24,0x54
    0069 E090      LDI	R25,0
    006A 8399      STD	Y+1,R25
    006B 8388      STD	Y+0,R24
    006C 2722      CLR	R18
    006D 2700      CLR	R16
    006E D012      RCALL	_ePutstr
(0038) 	Delay_nms(3200);
    006F E800      LDI	R16,0x80
    0070 E01C      LDI	R17,0xC
    0071 D0D3      RCALL	_Delay_nms
    0072 C00B      RJMP	0x007E
(0039) 	while(1)
(0040) 	{
(0041) 		temp&=0x7f;
    0073 774F      ANDI	R20,0x7F
(0042) 		if(temp<32)temp=32;
    0074 3240      CPI	R20,0x20
    0075 F408      BCC	0x0077
    0076 E240      LDI	R20,0x20
(0043) 		Display(temp++);
    0077 2E24      MOV	R2,R20
    0078 5F4F      SUBI	R20,0xFF
    0079 2D02      MOV	R16,R2
    007A D034      RCALL	_Display
(0044) 		Delay_nms(400);
    007B E900      LDI	R16,0x90
    007C E011      LDI	R17,1
    007D D0C7      RCALL	_Delay_nms
    007E CFF4      RJMP	0x0073
    007F 9622      ADIW	R28,2
    0080 9508      RET
_ePutstr:
  l                    --> R20
  i                    --> R22
  ptr                  --> R10
  y                    --> R12
  x                    --> R14
    0081 940E015D  CALL	push_gset5
    0083 2EC2      MOV	R12,R18
    0084 2EE0      MOV	R14,R16
    0085 9721      SBIW	R28,1
    0086 84AB      LDD	R10,Y+11
    0087 84BC      LDD	R11,Y+12
(0045) 	}
(0046) }
(0047) //************************************
(0048) void ePutstr(uchar x,uchar y,uchar const *ptr)
(0049) {
(0050) uchar i,l=0;
    0088 2744      CLR	R20
    0089 C001      RJMP	0x008B
(0051) 	while(ptr[l]>31){l++;}
    008A 9543      INC	R20
    008B 2FE4      MOV	R30,R20
    008C 27FF      CLR	R31
    008D 0DEA      ADD	R30,R10
    008E 1DFB      ADC	R31,R11
    008F 91E4      LPM	R30,0(Z)
    0090 E18F      LDI	R24,0x1F
    0091 178E      CP	R24,R30
    0092 F3B8      BCS	0x008A
(0052) 	for(i=0;i<l;i++){
    0093 2766      CLR	R22
    0094 C014      RJMP	0x00A9
(0053) 	DisplayOneChar(x++,y,ptr[i]);
    0095 2FE6      MOV	R30,R22
    0096 27FF      CLR	R31
    0097 0DEA      ADD	R30,R10
    0098 1DFB      ADC	R31,R11
    0099 91E4      LPM	R30,0(Z)
    009A 83E8      STD	Y+0,R30
    009B 2D2C      MOV	R18,R12
    009C 2C2E      MOV	R2,R14
    009D 2D82      MOV	R24,R2
    009E 5F8F      SUBI	R24,0xFF
    009F 2EE8      MOV	R14,R24
    00A0 2D02      MOV	R16,R2
    00A1 D035      RCALL	_DisplayOneChar
(0054) 	if(x==16){
    00A2 2D8E      MOV	R24,R14
    00A3 3180      CPI	R24,0x10
    00A4 F419      BNE	0x00A8
(0055) 		x=0;y^=1;
    00A5 24EE      CLR	R14
    00A6 E081      LDI	R24,1
    00A7 26C8      EOR	R12,R24
    00A8 9563      INC	R22
    00A9 1764      CP	R22,R20
    00AA F350      BCS	0x0095
    00AB 9621      ADIW	R28,1
    00AC 940E015A  CALL	pop_gset5
    00AE 9508      RET
_Display:
  i                    --> R20
  dd                   --> R22
    00AF 940E0163  CALL	push_gset2
    00B1 2F60      MOV	R22,R16
    00B2 9721      SBIW	R28,1
(0056) 	}
(0057)   }
(0058) }
(0059) //*************************************
(0060) void Display(uchar dd)
(0061) {
(0062) uchar i;
(0063) 	for(i=0;i<16;i++){
    00B3 2744      CLR	R20
    00B4 C00B      RJMP	0x00C0
(0064) 	DisplayOneChar(i,1,dd++);
    00B5 2E26      MOV	R2,R22
    00B6 5F6F      SUBI	R22,0xFF
    00B7 8228      STD	Y+0,R2
    00B8 E021      LDI	R18,1
    00B9 2F04      MOV	R16,R20
    00BA D01C      RCALL	_DisplayOneChar
(0065) 	dd&=0x7f;
    00BB 776F      ANDI	R22,0x7F
(0066) 	if(dd<32)dd=32;
    00BC 3260      CPI	R22,0x20
    00BD F408      BCC	0x00BF
    00BE E260      LDI	R22,0x20
    00BF 9543      INC	R20
    00C0 3140      CPI	R20,0x10
    00C1 F398      BCS	0x00B5
    00C2 9621      ADIW	R28,1
    00C3 940E0154  CALL	pop_gset2
    00C5 9508      RET
_LocateXY:
  temp                 --> R20
  posy                 --> R22
  posx                 --> R10
    00C6 940E0161  CALL	push_gset3
    00C8 2F62      MOV	R22,R18
    00C9 2EA0      MOV	R10,R16
(0067) 	}
(0068) }
(0069) //*************************************
(0070) void LocateXY(char posx,char posy)
(0071) {
(0072) uchar temp;
(0073) 	temp&=0x7f;
    00CA 774F      ANDI	R20,0x7F
(0074) 	temp=posx&0x0f;
    00CB 2D4A      MOV	R20,R10
    00CC 704F      ANDI	R20,0xF
(0075) 	posy&=0x01;
    00CD 7061      ANDI	R22,1
(0076) 	if(posy)temp|=0x40;
    00CE F009      BEQ	0x00D0
    00CF 6440      ORI	R20,0x40
(0077) 	temp|=0x80;
    00D0 6840      ORI	R20,0x80
(0078) 	LcdWriteCommand(temp,0);
    00D1 2722      CLR	R18
    00D2 2F04      MOV	R16,R20
    00D3 D031      RCALL	_LcdWriteCommand
    00D4 940E0157  CALL	pop_gset3
    00D6 9508      RET
_DisplayOneChar:
  Wdata                --> Y+4
  y                    --> R22
  x                    --> R20
    00D7 940E0163  CALL	push_gset2
    00D9 2F62      MOV	R22,R18
    00DA 2F40      MOV	R20,R16
(0079) }
(0080) //**************************************
(0081) void DisplayOneChar(uchar x,uchar y,uchar Wdata)
(0082) {
(0083) LocateXY(x,y);
    00DB 2F26      MOV	R18,R22
    00DC 2F04      MOV	R16,R20
    00DD DFE8      RCALL	_LocateXY
(0084) LcdWriteData(Wdata);
    00DE 810C      LDD	R16,Y+4
    00DF D038      RCALL	_LcdWriteData
    00E0 940E0154  CALL	pop_gset2
    00E2 9508      RET
(0085) }
(0086) //****************************************
(0087) void InitLcd(void)
(0088) {
(0089) LcdWriteCommand(0x38,0);
_InitLcd:
    00E3 2722      CLR	R18
    00E4 E308      LDI	R16,0x38
    00E5 D01F      RCALL	_LcdWriteCommand
(0090) Delay_nms(5);
    00E6 E005      LDI	R16,5
    00E7 E010      LDI	R17,0
    00E8 D05C      RCALL	_Delay_nms
(0091) LcdWriteCommand(0x38,0);
    00E9 2722      CLR	R18
    00EA E308      LDI	R16,0x38
    00EB D019      RCALL	_LcdWriteCommand
(0092) Delay_nms(5);
    00EC E005      LDI	R16,5
    00ED E010      LDI	R17,0
    00EE D056      RCALL	_Delay_nms
(0093) LcdWriteCommand(0x38,0);
    00EF 2722      CLR	R18
    00F0 E308      LDI	R16,0x38
    00F1 D013      RCALL	_LcdWriteCommand
(0094) Delay_nms(5);
    00F2 E005      LDI	R16,5
    00F3 E010      LDI	R17,0
    00F4 D050      RCALL	_Delay_nms
(0095) LcdWriteCommand(0x38,1);
    00F5 E021      LDI	R18,1
    00F6 E308      LDI	R16,0x38
    00F7 D00D      RCALL	_LcdWriteCommand
(0096) LcdWriteCommand(0x08,1);
    00F8 E021      LDI	R18,1
    00F9 E008      LDI	R16,0x8
    00FA D00A      RCALL	_LcdWriteCommand
(0097) LcdWriteCommand(0x01,1);
    00FB E021      LDI	R18,1
    00FC E001      LDI	R16,1
    00FD D007      RCALL	_LcdWriteCommand
(0098) LcdWriteCommand(0x06,1);
    00FE E021      LDI	R18,1
    00FF E006      LDI	R16,6
    0100 D004      RCALL	_LcdWriteCommand
(0099) LcdWriteCommand(0x0c,1);
    0101 E021      LDI	R18,1
    0102 E00C      LDI	R16,0xC
    0103 D001      RCALL	_LcdWriteCommand
    0104 9508      RET
_LcdWriteCommand:
  Attribc              --> R22
  CMD                  --> R20
    0105 940E0163  CALL	push_gset2
    0107 2F62      MOV	R22,R18
    0108 2F40      MOV	R20,R16
(0100) }
(0101) //****************************************
(0102) void LcdWriteCommand(uchar CMD,uchar Attribc)
(0103) {
(0104) if(Attribc)WaitForEnable();
    0109 2366      TST	R22
    010A F009      BEQ	0x010C
    010B D01C      RCALL	_WaitForEnable
(0105) LCM_RS_0;LCM_RW_0;_NOP();
    010C 98C0      CBI	0x18,0
    010D 98C1      CBI	0x18,1
    010E 0000      NOP
(0106) DataPort=CMD;_NOP();
    010F BB4B      OUT	0x1B,R20
    0110 0000      NOP
(0107) LCM_EN_1;_NOP();_NOP();LCM_EN_0;
    0111 9AC2      SBI	0x18,2
    0112 0000      NOP
    0113 0000      NOP
    0114 98C2      CBI	0x18,2
    0115 940E0154  CALL	pop_gset2
    0117 9508      RET
_LcdWriteData:
  dataW                --> R20
    0118 940E0165  CALL	push_gset1
    011A 2F40      MOV	R20,R16
(0108) }
(0109) //***************************************
(0110) void LcdWriteData(uchar dataW)
(0111) {
(0112) WaitForEnable();
    011B D00C      RCALL	_WaitForEnable
(0113) LCM_RS_1;LCM_RW_0;_NOP();
    011C 9AC0      SBI	0x18,0
    011D 98C1      CBI	0x18,1
    011E 0000      NOP
(0114) DataPort=dataW;_NOP();
    011F BB4B      OUT	0x1B,R20
    0120 0000      NOP
(0115) LCM_EN_1;_NOP();_NOP();LCM_EN_0;
    0121 9AC2      SBI	0x18,2
    0122 0000      NOP
    0123 0000      NOP
    0124 98C2      CBI	0x18,2
    0125 940E0168  CALL	pop_gset1
    0127 9508      RET
(0116) }
(0117) //****************************************
(0118) void WaitForEnable(void)
(0119) {
(0120) uchar val;
(0121) DataPort=0xff;
_WaitForEnable:
  val                  --> R16
    0128 EF8F      LDI	R24,0xFF
    0129 BB8B      OUT	0x1B,R24
(0122) LCM_RS_0;LCM_RW_1;_NOP();
    012A 98C0      CBI	0x18,0
    012B 9AC1      SBI	0x18,1
    012C 0000      NOP
(0123) LCM_EN_1;_NOP();_NOP();
    012D 9AC2      SBI	0x18,2
    012E 0000      NOP
    012F 0000      NOP
(0124) DDRA=0x00;
    0130 2422      CLR	R2
    0131 BA2A      OUT	0x1A,R2
(0125) val=PINA;
    0132 B309      IN	R16,0x19
    0133 C001      RJMP	0x0135
(0126) while(val&Busy)val=PINA;
    0134 B309      IN	R16,0x19
    0135 FD07      SBRC	R16,7
    0136 CFFD      RJMP	0x0134
(0127) LCM_EN_0;
    0137 98C2      CBI	0x18,2
(0128) DDRA=0xff;
    0138 EF8F      LDI	R24,0xFF
    0139 BB8A      OUT	0x1A,R24
    013A 9508      RET
(0129) }
(0130) //****************************************
(0131) void Delay_1ms(void)		
(0132) { uint i;
(0133)  for(i=1;i<(uint)(xtal*143-2);i++)
_Delay_1ms:
  i                    --> R16
    013B E001      LDI	R16,1
    013C E010      LDI	R17,0
    013D C002      RJMP	0x0140
    013E 5F0F      SUBI	R16,0xFF
    013F 4F1F      SBCI	R17,0xFF
    0140 3706      CPI	R16,0x76
    0141 E0E4      LDI	R30,4
    0142 071E      CPC	R17,R30
    0143 F3D0      BCS	0x013E
    0144 9508      RET
_Delay_nms:
  i                    --> R20
  n                    --> R22
    0145 940E0163  CALL	push_gset2
    0147 01B8      MOVW	R22,R16
(0134)     ;
(0135) }
(0136) //=============================================
(0137) void Delay_nms(uint n)		
(0138) {
(0139)  uint i=0;
    0148 2744      CLR	R20
    0149 2755      CLR	R21
    014A C003      RJMP	0x014E
(0140)    while(i<n)
(0141)    {Delay_1ms();
    014B DFEF      RCALL	_Delay_1ms
(0142)     i++;
FILE: <library>
    014C 5F4F      SUBI	R20,0xFF
    014D 4F5F      SBCI	R21,0xFF
    014E 1746      CP	R20,R22
    014F 0757      CPC	R21,R23
    0150 F3D0      BCS	0x014B
    0151 940E0154  CALL	pop_gset2
    0153 9508      RET
pop_gset2:
    0154 E0E2      LDI	R30,2
    0155 940C0169  JMP	pop
pop_gset3:
    0157 E0E4      LDI	R30,4
    0158 940C0169  JMP	pop
pop_gset5:
    015A 27EE      CLR	R30
    015B 940C0169  JMP	pop
push_gset5:
    015D 92FA      ST	R15,-Y
    015E 92EA      ST	R14,-Y
push_gset4:
    015F 92DA      ST	R13,-Y
    0160 92CA      ST	R12,-Y
push_gset3:
    0161 92BA      ST	R11,-Y
    0162 92AA      ST	R10,-Y
push_gset2:
    0163 937A      ST	R23,-Y
    0164 936A      ST	R22,-Y
push_gset1:
    0165 935A      ST	R21,-Y
    0166 934A      ST	R20,-Y
    0167 9508      RET
pop_gset1:
    0168 E0E1      LDI	R30,1
pop:
    0169 9149      LD	R20,Y+
    016A 9159      LD	R21,Y+
    016B FDE0      SBRC	R30,0
    016C 9508      RET
    016D 9169      LD	R22,Y+
    016E 9179      LD	R23,Y+
    016F FDE1      SBRC	R30,1
    0170 9508      RET
    0171 90A9      LD	R10,Y+
    0172 90B9      LD	R11,Y+
    0173 FDE2      SBRC	R30,2
    0174 9508      RET
    0175 90C9      LD	R12,Y+
    0176 90D9      LD	R13,Y+
    0177 FDE3      SBRC	R30,3
    0178 9508      RET
    0179 90E9      LD	R14,Y+
    017A 90F9      LD	R15,Y+
    017B 9508      RET