ac7-1.lis

此文件是C语言编写的驱动AVR单片机的I/O口

                        .module ac7-1.c
                        .area text(rom, con, rel)
 0000                   .dbfile d:\MYDOCU~1\ac7-1\ac7-1.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 6
 0004           ; #include<iom16v.h>
 0004           ; #define uchar unsigned char
 0004           ; #define uint unsigned int
 0004           ; //=============================
 0004           ; void delay_ms(uint k)
 0004           ; {
 0004                   .dbline 8
 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 9
 000A           ;     {
 000A                   .dbline 10
 000A           ;        for(j=0;j<570;j++)
 000A 6627              clr R22
 000C 7727              clr R23
 000E 02C0              xjmp L9
 0010           L6:
 0010                   .dbline 11
 0010           L7:
 0010                   .dbline 10
 0010 6F5F              subi R22,255  ; offset = 1
 0012 7F4F              sbci R23,255
 0014           L9:
 0014                   .dbline 10
 0014 6A33              cpi R22,58
 0016 E2E0              ldi R30,2
 0018 7E07              cpc R23,R30
 001A D0F3              brlo L6
 001C                   .dbline 12
 001C           L3:
 001C                   .dbline 8
 001C 4F5F              subi R20,255  ; offset = 1
 001E 5F4F              sbci R21,255
 0020           L5:
 0020                   .dbline 8
 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
                        .even
 002C           _main::
 002C                   .dbline -1
 002C                   .dbline 16
 002C           ;        ;
 002C           ;     }
 002C           ; }
 002C           ; //=============================
 002C           ; void main(void)       
 002C           ; {                             
 002C                   .dbline 17
 002C           ; DDRB=0xff;            
 002C 8FEF              ldi R24,255
 002E 87BB              out 0x17,R24
 0030                   .dbline 18
 0030           ; PORTB=0xff;           
 0030 88BB              out 0x18,R24
 0032 0AC0              xjmp L12
 0034           L11:
 0034                   .dbline 20
 0034                   .dbline 21
 0034 8AEA              ldi R24,170
 0036 88BB              out 0x18,R24
 0038                   .dbline 22
 0038 04EF              ldi R16,500
 003A 11E0              ldi R17,1
 003C E1DF              xcall _delay_ms
 003E                   .dbline 23
 003E 85E5              ldi R24,85
 0040 88BB              out 0x18,R24
 0042                   .dbline 24
 0042 04EF              ldi R16,500
 0044 11E0              ldi R17,1
 0046 DCDF              xcall _delay_ms
 0048                   .dbline 25
 0048           L12:
 0048                   .dbline 19
 0048 F5CF              xjmp L11
 004A           X0:
 004A                   .dbline -2
 004A           L10:
 004A                   .dbline 0 ; func end
 004A 0895              ret
 004C                   .dbend