compare.lis

at9535下 模拟比较器的c语言编程 at9535下 模拟比较器的c语言编程

                        .module compare.c
                        .area text(rom, con, rel)
 0000                   .dbfile J:\AVRpractice\BOOK\Campare\compare.c
 0000                   .dbfunc e main _main fV
 0000           ;              i -> <dead>
                        .even
 0000           _main::
 0000                   .dbline -1
 0000                   .dbline 9
 0000           ; //***************FileName:Capature.C***************//
 0000           ; //***************ICCAVR V6.30编译*****************//
 0000           ; 
 0000           ; #include <io8535v.h>                 
 0000           ; #define uchar unsigned char
 0000           ; #define uint  unsigned int
 0000           ; 
 0000           ; void main(void)
 0000           ; {uchar i;
 0000                   .dbline 10
 0000           ;  DDRB=0xf0;                    //设置PB7输出，PB3~PB2输入
 0000 80EF              ldi R24,240
 0002 87BB              out 0x17,R24
 0004                   .dbline 11
 0004           ;  PORTB=0x00;
 0004 2224              clr R2
 0006 28BA              out 0x18,R2
 0008                   .dbline 12
 0008           ;  ACSR=0x00;                    //模拟比较器使能
 0008 28B8              out 0x8,R2
 000A 0BC0              rjmp L3
 000C           L2:
 000C                   .dbline 14
 000C           ;  while(1)
 000C           ;   {if((ACSR&0x20)==0x20)
 000C                   .dbline 14
 000C 88B1              in R24,0x8
 000E 8072              andi R24,32
 0010 8032              cpi R24,32
 0012 21F4              brne L5
 0014                   .dbline 15
 0014           ;        PORTB=PORTB|0xf0;
 0014 88B3              in R24,0x18
 0016 806F              ori R24,240
 0018 88BB              out 0x18,R24
 001A 03C0              rjmp L6
 001C           L5:
 001C                   .dbline 16
 001C 88B3              in R24,0x18
 001E 8F70              andi R24,15
 0020 88BB              out 0x18,R24
 0022           L6:
 0022                   .dbline 16
 0022           L3:
 0022                   .dbline 13
 0022 F4CF              rjmp L2
 0024           X0:
 0024                   .dbline -2
 0024                   .dbline 17
 0024           ;    else PORTB=PORTB&0x0f;}
 0024           ; }
 0024           L1:
 0024                   .dbline 0 ; func end
 0024 0895              ret
 0026                   .dbsym l i 1 c
 0026                   .dbend