readwriteport.lst

单片机开发资料光盘-双龙-686M.zip

                         .module ReadWritePort.c
                         .area text
--- 0000                   .dbfile E:\grc\licc\例子10.3.1\ReadWritePort.c
--- 0000                   .dbfunc s main _main fI
                       ;          achar -> R16
                         .even
 002A                  _main::
 002A                    .dbline 3{
                       ; #include <io8515.h> 
                       ; void main(void)
                       ; {
 002A                    .dbline 5
                       ;  unsigned char  achar;
                       ;  DDRB = 0xFF; 
 002A  EF8F              ldi R24,255
 002B  BB87              out 0x17,R24
 002C                    .dbline 6
                       ;  DDRD = 0x00; 
 002C  2422              clr R2
 002D  BA21              out 0x11,R2
 002E                    .dbline 7
                       ;  PORTD= 0x00; 
 002E  BA22              out 0x12,R2
 002F                    .dbline 8
                       ;  for(;;) 
 002F                  L2:
 002F                    .dbline 9
                       ;     {
 002F                    .dbline 10
                       ;      achar = PIND; 
 002F  B300              in R16,0x10
 0030                    .dbline 11
                       ;      PORTB = achar; 
 0030  BB08              out 0x18,R16
 0031                    .dbline 12
                       ;     }
 0031                    .dbline 8
 0031                    .dbline 8
 0031  CFFD              rjmp L2
 0032                  X0:
 0032                  L1:
 0032  9508              ret
 0033                    .dbline 9}
 0033                    .dbsym r achar 16 c