io.lst

应用案例

A51 MACRO ASSEMBLER  IO                                                                   06/13/2008 13:33:20 PAGE     1


MACRO ASSEMBLER A51 V7.08a
OBJECT MODULE PLACED IN io.OBJ
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE io.asm SET(SMALL) DEBUG EP

LOC  OBJ            LINE     SOURCE

                       1     IO SEGMENT CODE
                       2     
                       3     PUBLIC    _WriteIO,_ReadIO
                       4     
----                   5     rseg   IO
0000                   6     _WriteIO:
0000 EF                7                      mov    A,      r7
0001 F8                8                      MOV    R0, A
0002 ED                9                      mov    a,      r5
0003 F2               10                      movX   @R0,a
0004 22               11                      ret
                      12     
0005                  13     _ReadIO:
0005 EF               14                      mov    A, r7
0006 F8               15                      MOV    R0, A
0007 E2               16                      movX   a,  @R0
0008 FF               17                      mov    r7, A
0009 22               18                      ret
                      19                      end
                               
A51 MACRO ASSEMBLER  IO                                                                   06/13/2008 13:33:20 PAGE     2

SYMBOL TABLE LISTING
------ ----- -------


N A M E             T Y P E  V A L U E   ATTRIBUTES

IO . . . . . . . .  C SEG    000AH       REL=UNIT
_READIO. . . . . .  C ADDR   0005H   R   SEG=IO
_WRITEIO . . . . .  C ADDR   0000H   R   SEG=IO


REGISTER BANK(S) USED: 0 


ASSEMBLY COMPLETE.  0 WARNING(S), 0 ERROR(S)