rectangularwave.lst

ATMEL AVR 单片机开发套件和大量C和ASM代码工程

                         .module RectangularWave.c
                         .area text
--- 0000                   .dbfile E:\grc\licc\例子10.4.5\RectangularWave.c
--- 0000                   .dbfunc s delay _delay fI
                       ;              i -> R20
                       ;              j -> R22
                       ;              t -> R16
                         .even
 002A                  _delay::
 002A  D02E              rcall push_gset2
 002B                    .dbline 5{
                       ; #include <io8515.h>
                       ; #define uchar unsigned char
                       ; #define uint unsigned int
                       ; void delay(uchar t)
                       ; {
 002B                    .dbline 7
                       ;  uchar i,j;
                       ;  for (i=0;i<t;i++)
 002B  2744              clr R20
 002C  C006              rjmp L5
 002D                  L2:
 002D                    .dbline 8
                       ;     for (j=1;j;j++)
 002D  E061              ldi R22,1
 002E  C001              rjmp L9
 002F                  L6:
 002F                    .dbline 9
 002F                  L7:
 002F                    .dbline 8
 002F  9563              inc R22
 0030                  L9:
 0030                    .dbline 8
 0030  2366              tst R22
 0031  F7E9              brne L6
 0032                  L3:
 0032                    .dbline 7
 0032  9543              inc R20
 0033                  L5:
 0033                    .dbline 7
 0033  1740              cp R20,R16
 0034  F3C0              brlo L2
 0035                    .dbline 10}
                       ;         ;
                       ; }
 0035                  L1:
 0035  D026              rcall pop_gset2
 0036  9508              ret
 0037                    .dbsym r i 20 c
 0037                    .dbsym r j 22 c
 0037                    .dbsym r t 16 c
 0037                    .dbfunc s main _main fI
                         .even
 0037                  _main::
 0037                    .dbline 12{
                       ; void main(void)               
                       ; {
 0037                    .dbline 13
                       ;  DDRA=0xff;                   
 0037  EF8F              ldi R24,255
 0038  BB8A              out 0x1a,R24
 0039                    .dbline 14
                       ;  PORTA=0xff;
 0039  BB8B              out 0x1b,R24
 003A                    .dbline 15
                       ;  for(;;)
 003A                  L11:
 003A                    .dbline 16
                       ;   {
 003A                    .dbline 17
                       ;    PORTA^=0x01;              
 003A  E081              ldi R24,1
 003B  B22B              in R2,0x1b
 003C  2628              eor R2,R24
 003D  BA2B              out 0x1b,R2
 003E                    .dbline 18
                       ;    delay(25);
 003E  E109              ldi R16,25
 003F  DFEA              rcall _delay
 0040                    .dbline 19
                       ;   }                          
 0040                    .dbline 15
 0040                    .dbline 15
 0040  CFF9              rjmp L11
 0041                  X0:
 0041                  L10:
 0041  9508              ret
 0042                    .dbline 16}