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📄 keyscan.m51

📁 单片机键盘扫描的一种程序实现方法。比起组行扫描逐列置零节省很多的空间。
💻 M51
字号:
BL51 BANKED LINKER/LOCATER V5.11                                                        04/28/2009  22:37:36  PAGE 1


BL51 BANKED LINKER/LOCATER V5.11, INVOKED BY:
D:\PROGRAM FILES\C51\BIN\BL51.EXE STARTUP.obj, keyscan.obj TO keyscan RAMSIZE (256)


MEMORY MODEL: SMALL


INPUT MODULES INCLUDED:
  STARTUP.obj (?C_STARTUP)
  keyscan.obj (KEYSCAN)
  D:\PROGRAM FILES\C51\LIB\C51S.LIB (?C?CCASE)


LINK MAP OF MODULE:  keyscan (?C_STARTUP)


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

            * * * * * * *   D A T A   M E M O R Y   * * * * * * *
            REG     0000H     0008H     ABSOLUTE     "REG BANK 0"
            DATA    0008H     0006H     UNIT         ?DT?KEYSCAN
            IDATA   000EH     0001H     UNIT         ?STACK

            * * * * * * *   C O D E   M E M O R Y   * * * * * * *
            CODE    0000H     0003H     ABSOLUTE     
            CODE    0003H     00F1H     UNIT         ?PR?KEYSCAN?KEYSCAN
            CODE    00F4H     0026H     UNIT         ?C?LIB_CODE
            CODE    011AH     001EH     UNIT         ?PR?_DELAY_MS?KEYSCAN
            CODE    0138H     000FH     UNIT         ?PR?MAIN?KEYSCAN
            CODE    0147H     000CH     UNIT         ?C_C51STARTUP



OVERLAY MAP OF MODULE:   keyscan (?C_STARTUP)


SEGMENT
  +--> CALLED SEGMENT
---------------------
?C_C51STARTUP
  +--> ?PR?MAIN?KEYSCAN

?PR?MAIN?KEYSCAN
  +--> ?PR?KEYSCAN?KEYSCAN

?PR?KEYSCAN?KEYSCAN
  +--> ?PR?_DELAY_MS?KEYSCAN



SYMBOL TABLE OF MODULE:  keyscan (?C_STARTUP)

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

  -------         MODULE        ?C_STARTUP
  C:0147H         SEGMENT       ?C_C51STARTUP
BL51 BANKED LINKER/LOCATER V5.11                                                      04/28/2009  22:37:36  PAGE 2


  I:000EH         SEGMENT       ?STACK
  C:0000H         PUBLIC        ?C_STARTUP
  D:00E0H         SYMBOL        ACC
  D:00F0H         SYMBOL        B
  D:0083H         SYMBOL        DPH
  D:0082H         SYMBOL        DPL
  N:0000H         SYMBOL        IBPSTACK
  N:0100H         SYMBOL        IBPSTACKTOP
  N:0080H         SYMBOL        IDATALEN
  C:014AH         SYMBOL        IDATALOOP
  N:0000H         SYMBOL        PBPSTACK
  N:0000H         SYMBOL        PBPSTACKTOP
  N:0000H         SYMBOL        PDATALEN
  N:0000H         SYMBOL        PDATASTART
  N:0000H         SYMBOL        PPAGE
  N:0000H         SYMBOL        PPAGEENABLE
  D:00A0H         SYMBOL        PPAGE_SFR
  D:0081H         SYMBOL        SP
  C:0147H         SYMBOL        STARTUP1
  N:0000H         SYMBOL        XBPSTACK
  N:0000H         SYMBOL        XBPSTACKTOP
  N:0000H         SYMBOL        XDATALEN
  N:0000H         SYMBOL        XDATASTART
  C:0000H         LINE#         92
  C:0147H         LINE#         99
  C:0149H         LINE#         100
  C:014AH         LINE#         101
  C:014BH         LINE#         102
  C:014DH         LINE#         151
  C:0150H         LINE#         155
  -------         ENDMOD        ?C_STARTUP

  -------         MODULE        KEYSCAN
  C:0000H         SYMBOL        _ICE_DUMMY_
  D:0080H         PUBLIC        P0
  D:0090H         PUBLIC        P1
  D:00B0H         PUBLIC        P3
  D:00A8H         PUBLIC        IE
  D:00B8H         PUBLIC        IP
  D:0008H         PUBLIC        keynum
  C:0138H         PUBLIC        main
  C:011AH         PUBLIC        _delay_ms
  D:0098H         PUBLIC        SCON
  D:0088H         PUBLIC        TCON
  D:0009H         PUBLIC        num
  D:000AH         PUBLIC        a
  D:000BH         PUBLIC        b
  D:00C8H         PUBLIC        T2CON
  D:000CH         PUBLIC        k
  C:0003H         PUBLIC        keyscan
  D:00D0H         PUBLIC        PSW
  -------         PROC          MAIN
  C:0138H         LINE#         10
  C:0138H         LINE#         11
  C:0138H         LINE#         12
  C:013BH         LINE#         13
  C:013BH         LINE#         14
BL51 BANKED LINKER/LOCATER V5.11                                                      04/28/2009  22:37:36  PAGE 3


  C:013BH         LINE#         15
  C:0140H         LINE#         16
  C:0145H         LINE#         17
  -------         ENDPROC       MAIN
  -------         PROC          KEYSCAN
  C:0003H         LINE#         20
  C:0003H         LINE#         21
  C:0003H         LINE#         22
  C:0006H         LINE#         23
  C:0009H         LINE#         24
  C:000CH         LINE#         25
  C:0015H         LINE#         26
  C:0015H         LINE#         27
  C:001CH         LINE#         28
  C:001FH         LINE#         29
  C:0022H         LINE#         30
  C:002BH         LINE#         31
  C:002BH         LINE#         33
  C:002EH         LINE#         34
  C:0031H         LINE#         35
  C:0034H         LINE#         36
  C:0038H         LINE#         37
  C:0071H         LINE#         38
  C:0071H         LINE#         39
  C:0079H         LINE#         40
  C:0081H         LINE#         41
  C:0089H         LINE#         42
  C:0091H         LINE#         43
  C:0099H         LINE#         44
  C:00A1H         LINE#         45
  C:00A9H         LINE#         46
  C:00B1H         LINE#         47
  C:00B9H         LINE#         48
  C:00C1H         LINE#         49
  C:00C9H         LINE#         50
  C:00D1H         LINE#         51
  C:00D9H         LINE#         52
  C:00E1H         LINE#         53
  C:00E9H         LINE#         54
  C:00EFH         LINE#         55
  C:00EFH         LINE#         58
  C:00EFH         LINE#         59
  C:00EFH         LINE#         60
  C:00F3H         LINE#         61
  -------         ENDPROC       KEYSCAN
  -------         PROC          _DELAY_MS
  D:0006H         SYMBOL        z
  -------         DO            
  D:0006H         SYMBOL        x
  D:0004H         SYMBOL        y
  -------         ENDDO         
  C:011AH         LINE#         64
  C:011AH         LINE#         65
  C:011AH         LINE#         67
  C:0123H         LINE#         68
  C:0137H         LINE#         69
  -------         ENDPROC       _DELAY_MS
BL51 BANKED LINKER/LOCATER V5.11                                                      04/28/2009  22:37:36  PAGE 4


  -------         ENDMOD        KEYSCAN

  -------         MODULE        ?C?CCASE
  C:00F4H         PUBLIC        ?C?CCASE
  -------         ENDMOD        ?C?CCASE

Program Size: data=15.0 xdata=0 code=339
LINK/LOCATE RUN COMPLETE.  0 WARNING(S),  0 ERROR(S)

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