ac9-2.lst

AVR学习资料

__start:
__text_start:
    0033 E5CF      LDI	R28,0x5F
    0034 E0D4      LDI	R29,4
    0035 BFCD      OUT	0x3D,R28
    0036 BFDE      OUT	0x3E,R29
    0037 51C0      SUBI	R28,0x10
    0038 40D0      SBCI	R29,0
    0039 EA0A      LDI	R16,0xAA
    003A 8308      STD	Y+0,R16
    003B 2400      CLR	R0
    003C E6E0      LDI	R30,0x60
    003D E0F0      LDI	R31,0
    003E E010      LDI	R17,0
    003F 36E1      CPI	R30,0x61
    0040 07F1      CPC	R31,R17
    0041 F011      BEQ	0x0044
    0042 9201      ST	R0,Z+
    0043 CFFB      RJMP	0x003F
    0044 8300      STD	Z+0,R16
    0045 E6E6      LDI	R30,0x66
    0046 E0F0      LDI	R31,0
    0047 E6A0      LDI	R26,0x60
    0048 E0B0      LDI	R27,0
    0049 E010      LDI	R17,0
    004A 36E6      CPI	R30,0x66
    004B 07F1      CPC	R31,R17
    004C F021      BEQ	0x0051
    004D 95C8      LPM
    004E 9631      ADIW	R30,1
    004F 920D      ST	R0,X+
    0050 CFF9      RJMP	0x004A
    0051 940E0054  CALL	_main
_exit:
    0053 CFFF      RJMP	_exit
FILE: d:\MYDOCU~1\ac9-2\ac9-2.c
(0001) #include <iom16v.h> 
(0002) #define uchar unsigned char	
(0003) #define uint unsigned int
(0004) uchar const SEG7[10]={0x3f,0x06,0x5b, 
(0005) 0x4f,0x66,	0x6d,0x7d,0x07,0x7f,0x6f};
(0006) uchar const ACT[8]={0xfe,0xfd,0xfb,0xf7, 
(0007) 0xef,0xdf,0xbf,0x7f};
(0008) uchar i;			
(0009) void main(void) 
(0010)  {			
(0011)  PORTA = 0x00; 
_main:
    0054 2422      CLR	R2
    0055 BA2B      OUT	0x1B,R2
(0012)  DDRA  = 0xFF; 
    0056 EF8F      LDI	R24,0xFF
    0057 BB8A      OUT	0x1A,R24
(0013)  PORTC = 0xFF; 
    0058 BB85      OUT	0x15,R24
(0014)  DDRC  = 0xFF; 
    0059 BB84      OUT	0x14,R24
(0015)  TCNT0 = 0x83;
    005A E883      LDI	R24,0x83
    005B BF82      OUT	0x32,R24
(0016)  TCCR0 = 0x03;
    005C E083      LDI	R24,3
    005D BF83      OUT	0x33,R24
(0017)  TIMSK = 0x01;
    005E E081      LDI	R24,1
    005F BF89      OUT	0x39,R24
(0018)  SREG=0x80; 
    0060 E880      LDI	R24,0x80
    0061 BF8F      OUT	0x3F,R24
(0019) while(1);
    0062 CFFF      RJMP	0x0062
    0063 9508      RET
_timer0_ovf_isr:
    0064 922A      ST	R2,-Y
    0065 938A      ST	R24,-Y
    0066 939A      ST	R25,-Y
    0067 93EA      ST	R30,-Y
    0068 93FA      ST	R31,-Y
    0069 B62F      IN	R2,0x3F
    006A 922A      ST	R2,-Y
(0020)  }
(0021) 
(0022) #pragma interrupt_handler timer0_ovf_isr:10
(0023) void timer0_ovf_isr(void)
(0024) {
(0025)  TCNT0 = 0x83; 
    006B E883      LDI	R24,0x83
    006C BF82      OUT	0x32,R24
(0026)  if(++i>7)i=0;
    006D 91800060  LDS	R24,i
    006F 5F8F      SUBI	R24,0xFF
    0070 2E28      MOV	R2,R24
    0071 92200060  STS	i,R2
    0073 E087      LDI	R24,7
    0074 1582      CP	R24,R2
    0075 F418      BCC	0x0079
    0076 2422      CLR	R2
    0077 92200060  STS	i,R2
(0027)  PORTA=SEG7[i];
    0079 E584      LDI	R24,0x54
    007A E090      LDI	R25,0
    007B 91E00060  LDS	R30,i
    007D 27FF      CLR	R31
    007E 0FE8      ADD	R30,R24
    007F 1FF9      ADC	R31,R25
    0080 91E4      LPM	R30,0(Z)
    0081 BBEB      OUT	0x1B,R30
(0028)  PORTC=ACT[i];
FILE: <library>
    0082 E58E      LDI	R24,0x5E
    0083 E090      LDI	R25,0
    0084 91E00060  LDS	R30,i
    0086 27FF      CLR	R31
    0087 0FE8      ADD	R30,R24
    0088 1FF9      ADC	R31,R25
    0089 91E4      LPM	R30,0(Z)
    008A BBE5      OUT	0x15,R30
    008B 9029      LD	R2,Y+
    008C BE2F      OUT	0x3F,R2
    008D 91F9      LD	R31,Y+
    008E 91E9      LD	R30,Y+
    008F 9199      LD	R25,Y+
    0090 9189      LD	R24,Y+
    0091 9029      LD	R2,Y+
    0092 9518      RETI