3个io口的键盘.m51

一个基于单片机IO的键盘扫描函数

BL51 BANKED LINKER/LOCATER V6.15                                                        04/14/2009  21:11:03  PAGE 1


BL51 BANKED LINKER/LOCATER V6.15, INVOKED BY:
D:\学习\KEIL 3\C51\BIN\BL51.EXE ThreeIO.obj TO 3个IO口的键盘 RAMSIZE (256)


MEMORY MODEL: SMALL


INPUT MODULES INCLUDED:
  ThreeIO.obj (THREEIO)


LINK MAP OF MODULE:  3个IO口的键盘 (THREEIO)


            TYPE    BASE      LENGTH    RELOCATION   SEGMENT NAME
            -----------------------------------------------------

            * * * * * * *   D A T A   M E M O R Y   * * * * * * *
            REG     0000H     0008H     ABSOLUTE     "REG BANK 0"

            * * * * * * *   C O D E   M E M O R Y   * * * * * * *
            CODE    0000H     0043H     UNIT         ?PR?KEYSCAN?THREEIO



OVERLAY MAP OF MODULE:   3个IO口的键盘 (THREEIO)


SEGMENT
  +--> CALLED SEGMENT
---------------------


SYMBOL TABLE OF MODULE:  3个IO口的键盘 (THREEIO)

  VALUE           TYPE          NAME
  ----------------------------------

  -------         MODULE        THREEIO
  C:0000H         SYMBOL        _ICE_DUMMY_
  D:0090H         PUBLIC        P1
  D:00B0H         PUBLIC        P3
  D:00A8H         PUBLIC        IE
  D:00B8H         PUBLIC        IP
  D:0098H         PUBLIC        SCON
  D:0088H         PUBLIC        TCON
  C:0000H         PUBLIC        Keyscan
  D:00C8H         PUBLIC        T2CON
  D:00D0H         PUBLIC        PSW
  -------         PROC          KEYSCAN
  -------         DO            
  D:0007H         SYMBOL        x
  -------         ENDDO         
  C:0000H         LINE#         4
  C:0000H         LINE#         5
  C:0000H         LINE#         7
  C:0000H         LINE#         8
  C:0003H         LINE#         9
BL51 BANKED LINKER/LOCATER V6.15                                                      04/14/2009  21:11:03  PAGE 2


  C:0008H         LINE#         10
  C:000CH         LINE#         11
  C:000CH         LINE#         12
  C:000FH         LINE#         13
  C:0013H         LINE#         14
  C:0018H         LINE#         15
  C:001CH         LINE#         16
  C:001CH         LINE#         17
  C:001FH         LINE#         18
  C:0022H         LINE#         19
  C:0026H         LINE#         20
  C:0032H         LINE#         21
  C:0035H         LINE#         22
  C:0035H         LINE#         23
  C:0038H         LINE#         24
  C:003BH         LINE#         25
  C:003FH         LINE#         26
  C:0042H         LINE#         27
  C:0042H         LINE#         28
  C:0042H         LINE#         29
  C:0042H         LINE#         30
  C:0042H         LINE#         31
  -------         ENDPROC       KEYSCAN
  -------         ENDMOD        THREEIO

*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
    SEGMENT: ?PR?KEYSCAN?THREEIO

*** WARNING L10: CANNOT DETERMINE ROOT SEGMENT

Program Size: data=8.0 xdata=0 code=67
LINK/LOCATE RUN COMPLETE.  2 WARNING(S),  0 ERROR(S)