ac9-2.lis

AVR学习资料

                        .module ac9-2.c
                        .area lit(rom, con, rel)
 0000           _SEG7::
 0000 3F06              .byte 63,6
 0002 5B4F              .byte 91,'O
 0004 666D              .byte 'f,'m
 0006 7D07              .byte 125,7
 0008 7F6F              .byte 127,'o
 000A                   .dbfile d:\MYDOCU~1\ac9-2\ac9-2.c
 000A                   .dbsym e SEG7 _SEG7 A[10:10]kc
 000A           _ACT::
 000A FEFD              .byte 254,253
 000C FBF7              .byte 251,247
 000E EFDF              .byte 239,223
 0010 BF7F              .byte 191,127
 0012                   .dbsym e ACT _ACT A[8:8]kc
                        .area text(rom, con, rel)
 0000                   .dbfile d:\MYDOCU~1\ac9-2\ac9-2.c
 0000                   .dbfunc e main _main fV
                        .even
 0000           _main::
 0000                   .dbline -1
 0000                   .dbline 10
 0000           ; #include <iom16v.h> 
 0000           ; #define uchar unsigned char   
 0000           ; #define uint unsigned int
 0000           ; uchar const SEG7[10]={0x3f,0x06,0x5b, 
 0000           ; 0x4f,0x66,    0x6d,0x7d,0x07,0x7f,0x6f};
 0000           ; uchar const ACT[8]={0xfe,0xfd,0xfb,0xf7, 
 0000           ; 0xef,0xdf,0xbf,0x7f};
 0000           ; uchar i;                      
 0000           ; void main(void) 
 0000           ;  {                    
 0000                   .dbline 11
 0000           ;  PORTA = 0x00; 
 0000 2224              clr R2
 0002 2BBA              out 0x1b,R2
 0004                   .dbline 12
 0004           ;  DDRA  = 0xFF; 
 0004 8FEF              ldi R24,255
 0006 8ABB              out 0x1a,R24
 0008                   .dbline 13
 0008           ;  PORTC = 0xFF; 
 0008 85BB              out 0x15,R24
 000A                   .dbline 14
 000A           ;  DDRC  = 0xFF; 
 000A 84BB              out 0x14,R24
 000C                   .dbline 15
 000C           ;  TCNT0 = 0x83;
 000C 83E8              ldi R24,131
 000E 82BF              out 0x32,R24
 0010                   .dbline 16
 0010           ;  TCCR0 = 0x03;
 0010 83E0              ldi R24,3
 0012 83BF              out 0x33,R24
 0014                   .dbline 17
 0014           ;  TIMSK = 0x01;
 0014 81E0              ldi R24,1
 0016 89BF              out 0x39,R24
 0018                   .dbline 18
 0018           ;  SREG=0x80; 
 0018 80E8              ldi R24,128
 001A 8FBF              out 0x3f,R24
 001C           L2:
 001C                   .dbline 19
 001C           L3:
 001C                   .dbline 19
 001C FFCF              xjmp L2
 001E           X0:
 001E                   .dbline -2
 001E           L1:
 001E                   .dbline 0 ; func end
 001E 0895              ret
 0020                   .dbend
                        .area vector(rom, abs)
                        .org 36
 0024 0C941000          jmp _timer0_ovf_isr
                        .area text(rom, con, rel)
 0020                   .dbfile d:\MYDOCU~1\ac9-2\ac9-2.c
 0020                   .dbfunc e timer0_ovf_isr _timer0_ovf_isr fV
                        .even
 0020           _timer0_ovf_isr::
 0020 2A92              st -y,R2
 0022 8A93              st -y,R24
 0024 9A93              st -y,R25
 0026 EA93              st -y,R30
 0028 FA93              st -y,R31
 002A 2FB6              in R2,0x3f
 002C 2A92              st -y,R2
 002E                   .dbline -1
 002E                   .dbline 24
 002E           ; while(1);
 002E           ;  }
 002E           ; 
 002E           ; #pragma interrupt_handler timer0_ovf_isr:10
 002E           ; void timer0_ovf_isr(void)
 002E           ; {
 002E                   .dbline 25
 002E           ;  TCNT0 = 0x83; 
 002E 83E8              ldi R24,131
 0030 82BF              out 0x32,R24
 0032                   .dbline 26
 0032           ;  if(++i>7)i=0;
 0032 80910000          lds R24,_i
 0036 8F5F              subi R24,255    ; addi 1
 0038 282E              mov R2,R24
 003A 20920000          sts _i,R2
 003E 87E0              ldi R24,7
 0040 8215              cp R24,R2
 0042 18F4              brsh L6
 0044                   .dbline 26
 0044 2224              clr R2
 0046 20920000          sts _i,R2
 004A           L6:
 004A                   .dbline 27
 004A           ;  PORTA=SEG7[i];
 004A 80E0              ldi R24,<_SEG7
 004C 90E0              ldi R25,>_SEG7
 004E E0910000          lds R30,_i
 0052 FF27              clr R31
 0054 E80F              add R30,R24
 0056 F91F              adc R31,R25
 0058 E491              lpm R30,Z
 005A EBBB              out 0x1b,R30
 005C                   .dbline 28
 005C           ;  PORTC=ACT[i];
 005C 80E0              ldi R24,<_ACT
 005E 90E0              ldi R25,>_ACT
 0060 E0910000          lds R30,_i
 0064 FF27              clr R31
 0066 E80F              add R30,R24
 0068 F91F              adc R31,R25
 006A E491              lpm R30,Z
 006C E5BB              out 0x15,R30
 006E                   .dbline -2
 006E           L5:
 006E 2990              ld R2,y+
 0070 2FBE              out 0x3f,R2
 0072 F991              ld R31,y+
 0074 E991              ld R30,y+
 0076 9991              ld R25,y+
 0078 8991              ld R24,y+
 007A 2990              ld R2,y+
 007C                   .dbline 0 ; func end
 007C 1895              reti
 007E                   .dbend
                        .area bss(ram, con, rel)
 0000                   .dbfile d:\MYDOCU~1\ac9-2\ac9-2.c
 0000           _i::
 0000                   .blkb 1
 0001                   .dbsym e i _i c