ac7-4.lis

AVR学习资料

                        .module ac7-4.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\ac7-4\ac7-4.c
 000A                   .dbsym e SEG7 _SEG7 A[10:10]kc
 000A           _ACT::
 000A FEFD              .byte 254,253
 000C                   .dbsym e ACT _ACT A[2:2]kc
                        .area text(rom, con, rel)
 0000                   .dbfile d:\MYDOCU~1\ac7-4\ac7-4.c
 0000                   .dbfunc e delay_ms _delay_ms fV
 0000           ;              i -> R20,R21
 0000           ;              j -> R22,R23
 0000           ;              k -> R16,R17
                        .even
 0000           _delay_ms::
 0000 0E940000          xcall push_gset2
 0004                   .dbline -1
 0004                   .dbline 9
 0004           ; #include<iom16v.h>                    
 0004           ; #define uchar unsigned char   
 0004           ; #define uint unsigned int
 0004           ; uchar const SEG7[10]={0x3f,0x06,0x5b,0x4f,0x66,       
 0004           ;                 0x6d,0x7d,0x07,0x7f,0x6f};
 0004           ; uchar const ACT[2]={0xfe,0xfd};               
 0004           ; //=============================
 0004           ; void delay_ms(uint k)                 
 0004           ; {
 0004                   .dbline 11
 0004           ;     uint i,j;
 0004           ;     for(i=0;i<k;i++)
 0004 4427              clr R20
 0006 5527              clr R21
 0008 0BC0              xjmp L5
 000A           L2:
 000A                   .dbline 12
 000A           ;     {
 000A                   .dbline 13
 000A 6627              clr R22
 000C 7727              clr R23
 000E 02C0              xjmp L9
 0010           L6:
 0010                   .dbline 13
 0010           L7:
 0010                   .dbline 13
 0010 6F5F              subi R22,255  ; offset = 1
 0012 7F4F              sbci R23,255
 0014           L9:
 0014                   .dbline 13
 0014 6A33              cpi R22,58
 0016 E2E0              ldi R30,2
 0018 7E07              cpc R23,R30
 001A D0F3              brlo L6
 001C                   .dbline 14
 001C           L3:
 001C                   .dbline 11
 001C 4F5F              subi R20,255  ; offset = 1
 001E 5F4F              sbci R21,255
 0020           L5:
 0020                   .dbline 11
 0020 4017              cp R20,R16
 0022 5107              cpc R21,R17
 0024 90F3              brlo L2
 0026                   .dbline -2
 0026           L1:
 0026 0E940000          xcall pop_gset2
 002A                   .dbline 0 ; func end
 002A 0895              ret
 002C                   .dbsym r i 20 i
 002C                   .dbsym r j 22 i
 002C                   .dbsym r k 16 i
 002C                   .dbend
 002C                   .dbfunc e main _main fV
 002C           ;              i -> R22
 002C           ;        counter -> R20
                        .even
 002C           _main::
 002C                   .dbline -1
 002C                   .dbline 18
 002C           ;        for(j=0;j<570;j++);
 002C           ;     }
 002C           ; }
 002C           ; //=============================
 002C           ; void main(void)               
 002C           ; {                                     
 002C                   .dbline 19
 002C           ; uchar i,counter=0;    
 002C 4427              clr R20
 002E                   .dbline 20
 002E           ; DDRA=0xff;            
 002E 8FEF              ldi R24,255
 0030 8ABB              out 0x1a,R24
 0032                   .dbline 21
 0032           ; DDRC=0xff;            
 0032 84BB              out 0x14,R24
 0034                   .dbline 22
 0034           ; DDRD=0x00;            
 0034 2224              clr R2
 0036 21BA              out 0x11,R2
 0038                   .dbline 23
 0038           ; PORTA=0x00;           
 0038 2BBA              out 0x1b,R2
 003A                   .dbline 24
 003A           ; PORTC=0xff;           
 003A 85BB              out 0x15,R24
 003C                   .dbline 25
 003C           ; PORTD=0xff;   
 003C 82BB              out 0x12,R24
 003E 38C0              xjmp L12
 0040           L11:
 0040                   .dbline 27
 0040           ;    while(1)           
 0040           ;    {                          
 0040                   .dbline 28
 0040           ;       if((PIND&0x10)==0)      
 0040 8499              sbic 0x10,4
 0042 03C0              rjmp L14
 0044                   .dbline 29
 0044                   .dbline 29
 0044 4336              cpi R20,99
 0046 08F4              brsh L16
 0048                   .dbline 29
 0048 4395              inc R20
 004A           L16:
 004A                   .dbline 29
 004A           ;       {if(counter<99)counter++;}              
 004A           L14:
 004A                   .dbline 30
 004A           ;       if((PIND&0x20)==0)              
 004A 8599              sbic 0x10,5
 004C 04C0              rjmp L18
 004E                   .dbline 31
 004E                   .dbline 31
 004E 2224              clr R2
 0050 2416              cp R2,R20
 0052 08F4              brsh L20
 0054                   .dbline 31
 0054 4A95              dec R20
 0056           L20:
 0056                   .dbline 31
 0056           ;               {if(counter>0)counter--;}               
 0056           L18:
 0056                   .dbline 32
 0056           ;                  for(i=0;i<100;i++)   
 0056 6627              clr R22
 0058 29C0              xjmp L25
 005A           L22:
 005A                   .dbline 33
 005A                   .dbline 34
 005A 2AE0              ldi R18,10
 005C 30E0              ldi R19,0
 005E 042F              mov R16,R20
 0060 1127              clr R17
 0062 0E940000          xcall mod16s
 0066 F801              movw R30,R16
 0068 80E0              ldi R24,<_SEG7
 006A 90E0              ldi R25,>_SEG7
 006C E80F              add R30,R24
 006E F91F              adc R31,R25
 0070 E491              lpm R30,Z
 0072 EBBB              out 0x1b,R30
 0074                   .dbline 35
 0074 E0E0              ldi R30,<_ACT
 0076 F0E0              ldi R31,>_ACT
 0078 E491              lpm R30,Z
 007A E5BB              out 0x15,R30
 007C                   .dbline 36
 007C 01E0              ldi R16,1
 007E 10E0              ldi R17,0
 0080 BFDF              xcall _delay_ms
 0082                   .dbline 37
 0082 2AE0              ldi R18,10
 0084 30E0              ldi R19,0
 0086 042F              mov R16,R20
 0088 1127              clr R17
 008A 0E940000          xcall div16s
 008E F801              movw R30,R16
 0090 80E0              ldi R24,<_SEG7
 0092 90E0              ldi R25,>_SEG7
 0094 E80F              add R30,R24
 0096 F91F              adc R31,R25
 0098 E491              lpm R30,Z
 009A EBBB              out 0x1b,R30
 009C                   .dbline 38
 009C E0E0              ldi R30,<_ACT+1
 009E F0E0              ldi R31,>_ACT+1
 00A0 E491              lpm R30,Z
 00A2 E5BB              out 0x15,R30
 00A4                   .dbline 39
 00A4 01E0              ldi R16,1
 00A6 10E0              ldi R17,0
 00A8 ABDF              xcall _delay_ms
 00AA                   .dbline 40
 00AA           L23:
 00AA                   .dbline 32
 00AA 6395              inc R22
 00AC           L25:
 00AC                   .dbline 32
 00AC 6436              cpi R22,100
 00AE A8F2              brlo L22
 00B0                   .dbline 41
 00B0           L12:
 00B0                   .dbline 26
 00B0 C7CF              xjmp L11
 00B2           X0:
 00B2                   .dbline -2
 00B2           L10:
 00B2                   .dbline 0 ; func end
 00B2 0895              ret
 00B4                   .dbsym r i 22 c
 00B4                   .dbsym r counter 20 c
 00B4                   .dbend