port_init.lst

这是一个对OSD芯片upd6464A操作的接口测试程序,使用KC51编译一个高速球键盘程序

C51 COMPILER V8.05a   PORT_INIT                                                            11/07/2008 14:25:51 PAGE 1   


C51 COMPILER V8.05a, COMPILATION OF MODULE PORT_INIT
OBJECT MODULE PLACED IN port_init.OBJ
COMPILER INVOKED BY: D:\Program Files\keil\C51\BIN\C51.EXE port_init.c OPTIMIZE(0,SPEED) BROWSE DEBUG OBJECTEXTEND CODE 
                    -SYMBOLS

line level    source

   1          #include <general.h>
   2          
   3           void port_init()
   4          
   5           {
   6   1       P1=P2=P3=P4=0xff;
   7   1      
   8   1       }
C51 COMPILER V8.05a   PORT_INIT                                                            11/07/2008 14:25:51 PAGE 2   

ASSEMBLY LISTING OF GENERATED OBJECT CODE


             ; FUNCTION port_init (BEGIN)
                                           ; SOURCE LINE # 3
                                           ; SOURCE LINE # 5
                                           ; SOURCE LINE # 6
0000 75E8FF            MOV     P4,#0FFH
0003 75B0FF            MOV     P3,#0FFH
0006 75A0FF            MOV     P2,#0FFH
0009 7590FF            MOV     P1,#0FFH
                                           ; SOURCE LINE # 8
000C         ?C0001:
000C 22                RET     
             ; FUNCTION port_init (END)

C51 COMPILER V8.05a   PORT_INIT                                                            11/07/2008 14:25:51 PAGE 3   

NAME                                    CLASS   MSPACE  TYPE    OFFSET  SIZE
====                                    =====   ======  ====    ======  ====


P1 . . . . . . . . . . . . . . . . . .  SFR      DATA   U_CHAR   0090H  1
P2 . . . . . . . . . . . . . . . . . .  SFR      DATA   U_CHAR   00A0H  1
P3 . . . . . . . . . . . . . . . . . .  SFR      DATA   U_CHAR   00B0H  1
XICON. . . . . . . . . . . . . . . . .  SFR      DATA   U_CHAR   00C0H  1
P4 . . . . . . . . . . . . . . . . . .  SFR      DATA   U_CHAR   00E8H  1
size_t . . . . . . . . . . . . . . . .  TYPEDEF  -----  U_INT    -----  2
port_init. . . . . . . . . . . . . . .  PUBLIC   CODE   PROC     0000H  -----


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     13    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  0 WARNING(S),  0 ERROR(S)