key.m51

4个IO接10个按键的扫描方法,按这个方法8个IO可以接成36个按键

BL51 BANKED LINKER/LOCATER V6.11                                                        05/24/2008  17:53:04  PAGE 1


BL51 BANKED LINKER/LOCATER V6.11, INVOKED BY:
D:\KEIL\C51\BIN\BL51.EXE 4io_10key.obj TO key


MEMORY MODEL: SMALL


INPUT MODULES INCLUDED:
  4io_10key.obj (4IO_10KEY)
  D:\KEIL\C51\LIB\C51S.LIB (?C_STARTUP)


LINK MAP OF MODULE:  key (4IO_10KEY)


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

            * * * * * * *   D A T A   M E M O R Y   * * * * * * *
            REG     0000H     0008H     ABSOLUTE     "REG BANK 0"
            IDATA   0008H     0001H     UNIT         ?STACK

            * * * * * * *   C O D E   M E M O R Y   * * * * * * *
            CODE    0000H     0003H     ABSOLUTE     
            CODE    0003H     0058H     UNIT         ?PR?MAIN?4IO_10KEY
            CODE    005BH     004FH     UNIT         ?PR?KEYSCAN?4IO_10KEY
            CODE    00AAH     000CH     UNIT         ?C_C51STARTUP



OVERLAY MAP OF MODULE:   key (4IO_10KEY)


SEGMENT
  +--> CALLED SEGMENT
---------------------
?C_C51STARTUP
  +--> ?PR?MAIN?4IO_10KEY

?PR?MAIN?4IO_10KEY
  +--> ?PR?KEYSCAN?4IO_10KEY



SYMBOL TABLE OF MODULE:  key (4IO_10KEY)

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

  -------         MODULE        4IO_10KEY
  C:0000H         SYMBOL        _ICE_DUMMY_
  D:0090H         PUBLIC        P1
  D:00A0H         PUBLIC        P2
  B:00A0H.0       PUBLIC        KeyPort0
  B:00A0H.1       PUBLIC        KeyPort1
  B:00A0H.2       PUBLIC        KeyPort2
  B:00A0H.3       PUBLIC        KeyPort3
  C:0003H         PUBLIC        main
BL51 BANKED LINKER/LOCATER V6.11                                                      05/24/2008  17:53:04  PAGE 2


  C:005BH         PUBLIC        KeyScan
  -------         PROC          KEYSCAN
  -------         DO            
  D:0007H         SYMBOL        _keyvalue
  -------         ENDDO         
  C:005BH         LINE#         27
  C:005BH         LINE#         28
  C:005BH         LINE#         30
  C:005EH         LINE#         31
  C:0060H         LINE#         33
  C:0063H         LINE#         34
  C:0066H         LINE#         35
  C:0069H         LINE#         36
  C:006DH         LINE#         37
  C:0070H         LINE#         38
  C:0074H         LINE#         39
  C:0077H         LINE#         40
  C:007BH         LINE#         42
  C:007BH         LINE#         43
  C:007DH         LINE#         44
  C:0080H         LINE#         45
  C:0084H         LINE#         46
  C:0087H         LINE#         47
  C:008BH         LINE#         48
  C:008EH         LINE#         49
  C:0092H         LINE#         51
  C:0092H         LINE#         52
  C:0094H         LINE#         53
  C:0097H         LINE#         54
  C:009BH         LINE#         55
  C:009EH         LINE#         56
  C:00A2H         LINE#         58
  C:00A2H         LINE#         59
  C:00A4H         LINE#         60
  C:00A7H         LINE#         61
  C:00A9H         LINE#         62
  C:00A9H         LINE#         63
  C:00A9H         LINE#         64
  C:00A9H         LINE#         65
  C:00A9H         LINE#         66
  -------         ENDPROC       KEYSCAN
  -------         PROC          MAIN
  C:0003H         LINE#         68
  C:0003H         LINE#         69
  C:0003H         LINE#         70
  C:0003H         LINE#         71
  C:0003H         LINE#         72
  C:0033H         LINE#         73
  C:0033H         LINE#         74
  C:0038H         LINE#         75
  C:003DH         LINE#         76
  C:0042H         LINE#         77
  C:0047H         LINE#         78
  C:004CH         LINE#         79
  C:0051H         LINE#         80
  C:0056H         LINE#         81
  -------         ENDPROC       MAIN
BL51 BANKED LINKER/LOCATER V6.11                                                      05/24/2008  17:53:04  PAGE 3


  -------         ENDMOD        4IO_10KEY

Program Size: data=9.0 xdata=0 code=182
LINK/LOCATE RUN COMPLETE.  0 WARNING(S),  0 ERROR(S)