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📄 key.m51

📁 这里很详细地将了怎样编写一个4*4的行列扫描式键盘(它已经通过keil编译并使用)。该程序利用P1口作为行列扫描端口,它能够识别是否有多键按下
💻 M51
字号:
BL51 BANKED LINKER/LOCATER V5.12                                                        07/21/2007  15:08:37  PAGE 1


BL51 BANKED LINKER/LOCATER V5.12, INVOKED BY:
C:\KEIL\C51\BIN\BL51.EXE STARTUP.obj, main.obj TO key RAMSIZE (256)


MEMORY MODEL: SMALL


INPUT MODULES INCLUDED:
  STARTUP.obj (?C_STARTUP)
  main.obj (MAIN)


LINK MAP OF MODULE:  key (?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     0001H     UNIT         ?DT?MAIN
                    0009H     0017H                  *** GAP ***
            DATA    0020H     0002H     BIT_ADDR     ?BA?MAIN
            BIT     0022H.0   0000H.1   UNIT         ?BI?MAIN
                    0022H.1   0000H.7                *** GAP ***
            IDATA   0023H     0001H     UNIT         ?STACK

            * * * * * * *   C O D E   M E M O R Y   * * * * * * *
            CODE    0000H     0003H     ABSOLUTE     
            CODE    0003H     000EH     UNIT         ?PR?DELAY50?MAIN
            CODE    0011H     000EH     UNIT         ?PR?SEN?MAIN
                    001FH     0004H                  *** GAP ***
            CODE    0023H     0003H     ABSOLUTE     
            CODE    0026H     01FAH     UNIT         ?PR?MAIN?MAIN
            CODE    0220H     000CH     UNIT         ?C_C51STARTUP
            CODE    022CH     0005H     UNIT         ?PR?SEN_BYTE?MAIN



OVERLAY MAP OF MODULE:   key (?C_STARTUP)


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

?PR?MAIN?MAIN
  +--> ?PR?DELAY50?MAIN
  +--> ?PR?SEN_BYTE?MAIN



SYMBOL TABLE OF MODULE:  key (?C_STARTUP)

  VALUE           TYPE          NAME
  ----------------------------------
BL51 BANKED LINKER/LOCATER V5.12                                                      07/21/2007  15:08:37  PAGE 2



  -------         MODULE        ?C_STARTUP
  C:0220H         SEGMENT       ?C_C51STARTUP
  I:0023H         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:0223H         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:0220H         SYMBOL        STARTUP1
  N:0000H         SYMBOL        XBPSTACK
  N:0000H         SYMBOL        XBPSTACKTOP
  N:0000H         SYMBOL        XDATALEN
  N:0000H         SYMBOL        XDATASTART
  C:0000H         LINE#         92
  C:0220H         LINE#         99
  C:0222H         LINE#         100
  C:0223H         LINE#         101
  C:0224H         LINE#         102
  C:0226H         LINE#         151
  C:0229H         LINE#         155
  -------         ENDMOD        ?C_STARTUP

  -------         MODULE        MAIN
  C:0000H         SYMBOL        _ICE_DUMMY_
  D:0090H         PUBLIC        P1
  D:00B0H         PUBLIC        P3
  B:0022H.0       PUBLIC        is_sen
  B:00A8H.7       PUBLIC        EA
  D:00A8H         PUBLIC        IE
  B:00A8H.4       PUBLIC        ES
  D:00B8H         PUBLIC        IP
  B:0098H.1       PUBLIC        TI
  C:0026H         PUBLIC        main
  B:0090H.0       PUBLIC        P10
  D:0099H         PUBLIC        SBUF
  D:0087H         PUBLIC        PCON
  B:0090H.1       PUBLIC        P11
  B:0090H.2       PUBLIC        P12
  B:0090H.3       PUBLIC        P13
  D:0098H         PUBLIC        SCON
  B:0090H.4       PUBLIC        P14
  D:0089H         PUBLIC        TMOD
  D:0088H         PUBLIC        TCON
  B:0090H.5       PUBLIC        P15
BL51 BANKED LINKER/LOCATER V5.12                                                      07/21/2007  15:08:37  PAGE 3


  B:0090H.6       PUBLIC        P16
  D:0020H         PUBLIC        temp
  B:0090H.7       PUBLIC        P17
  D:0008H         PUBLIC        sen_data
  C:0011H         PUBLIC        sen
  D:0021H         PUBLIC        key
  D:008DH         PUBLIC        TH1
  D:008BH         PUBLIC        TL1
  B:0088H.6       PUBLIC        TR1
  C:022CH         PUBLIC        sen_byte
  D:00C8H         PUBLIC        T2CON
  B:0020H.0       PUBLIC        temp0
  B:0020H.1       PUBLIC        temp1
  B:0020H.2       PUBLIC        temp2
  B:0020H.3       PUBLIC        temp3
  C:0003H         PUBLIC        delay50
  B:0021H.0       PUBLIC        key0
  D:00D0H         PUBLIC        PSW
  B:0021H.1       PUBLIC        key1
  B:0021H.2       PUBLIC        key2
  B:0021H.3       PUBLIC        key3
  -------         PROC          DELAY50
  -------         DO            
  D:0006H         SYMBOL        i
  -------         ENDDO         
  C:0003H         LINE#         25
  C:0003H         LINE#         26
  C:0003H         LINE#         27
  C:0007H         LINE#         28
  C:0007H         LINE#         29
  C:0007H         LINE#         30
  C:000CH         LINE#         31
  C:0010H         LINE#         32
  -------         ENDPROC       DELAY50
  -------         PROC          SEN_BYTE
  C:022CH         LINE#         44
  C:022CH         LINE#         45
  C:022CH         LINE#         46
  C:022EH         LINE#         47
  C:0230H         LINE#         48
  -------         ENDPROC       SEN_BYTE
  -------         PROC          SEN
  C:0011H         LINE#         51
  C:0011H         LINE#         53
  C:0014H         LINE#         54
  C:0014H         LINE#         55
  C:0016H         LINE#         56
  C:0019H         LINE#         57
  C:0019H         LINE#         62
  C:001CH         LINE#         64
  C:001EH         LINE#         65
  C:001EH         LINE#         66
  C:001EH         LINE#         67
  -------         ENDPROC       SEN
  -------         PROC          MAIN
  C:0026H         LINE#         69
  C:0026H         LINE#         70
BL51 BANKED LINKER/LOCATER V5.12                                                      07/21/2007  15:08:37  PAGE 4


  C:0026H         LINE#         71
  C:0028H         LINE#         72
  C:002BH         LINE#         73
  C:002EH         LINE#         74
  C:0031H         LINE#         75
  C:0034H         LINE#         76
  C:0037H         LINE#         77
  C:0039H         LINE#         78
  C:003BH         LINE#         79
  C:003DH         LINE#         85
  C:003DH         LINE#         86
  C:003DH         LINE#         87
  C:003FH         LINE#         88
  C:0041H         LINE#         89
  C:0043H         LINE#         90
  C:0045H         LINE#         91
  C:0049H         LINE#         92
  C:004DH         LINE#         93
  C:0051H         LINE#         94
  C:0055H         LINE#         95
  C:0058H         LINE#         96
  C:005EH         LINE#         97
  C:005EH         LINE#         98
  C:0061H         LINE#         99
  C:0065H         LINE#         100
  C:0069H         LINE#         101
  C:006DH         LINE#         102
  C:0071H         LINE#         103
  C:0074H         LINE#         104
  C:007AH         LINE#         105
  C:007AH         LINE#         106
  C:008BH         LINE#         107
  C:008BH         LINE#         108
  C:0090H         LINE#         109
  C:0095H         LINE#         110
  C:009AH         LINE#         111
  C:009DH         LINE#         112
  C:009DH         LINE#         113
  C:009DH         LINE#         114
  C:00A0H         LINE#         115
  C:00ACH         LINE#         116
  C:00ACH         LINE#         117
  C:00ACH         LINE#         119
  C:00AEH         LINE#         120
  C:00B0H         LINE#         121
  C:00B2H         LINE#         122
  C:00B4H         LINE#         123
  C:00B8H         LINE#         124
  C:00BCH         LINE#         125
  C:00C0H         LINE#         126
  C:00C4H         LINE#         127
  C:00C7H         LINE#         129
  C:00CDH         LINE#         130
  C:00CDH         LINE#         131
  C:00D0H         LINE#         132
  C:00D4H         LINE#         133
  C:00D8H         LINE#         134
BL51 BANKED LINKER/LOCATER V5.12                                                      07/21/2007  15:08:37  PAGE 5


  C:00DCH         LINE#         135
  C:00E0H         LINE#         136
  C:00E3H         LINE#         137
  C:00E9H         LINE#         138
  C:00E9H         LINE#         139
  C:00FAH         LINE#         140
  C:00FAH         LINE#         141
  C:00FFH         LINE#         142
  C:0104H         LINE#         143
  C:0109H         LINE#         144
  C:010CH         LINE#         145
  C:010CH         LINE#         146
  C:010CH         LINE#         147
  C:010FH         LINE#         148
  C:011BH         LINE#         149
  C:011BH         LINE#         150
  C:011BH         LINE#         152
  C:011DH         LINE#         153
  C:011FH         LINE#         154
  C:0121H         LINE#         155
  C:0123H         LINE#         156
  C:0127H         LINE#         157
  C:012BH         LINE#         158
  C:012FH         LINE#         159
  C:0133H         LINE#         160
  C:0136H         LINE#         161
  C:013FH         LINE#         162
  C:0143H         LINE#         163
  C:0147H         LINE#         164
  C:014BH         LINE#         165
  C:014FH         LINE#         166
  C:0152H         LINE#         169
  C:0158H         LINE#         170
  C:0158H         LINE#         171
  C:015BH         LINE#         172
  C:015FH         LINE#         173
  C:0163H         LINE#         174
  C:0167H         LINE#         175
  C:016BH         LINE#         176
  C:016EH         LINE#         177
  C:0174H         LINE#         178
  C:0174H         LINE#         179
  C:0185H         LINE#         180
  C:0185H         LINE#         181
  C:018AH         LINE#         182
  C:018FH         LINE#         183
  C:0194H         LINE#         184
  C:0197H         LINE#         185
  C:0197H         LINE#         186
  C:0197H         LINE#         187
  C:019AH         LINE#         188
  C:01A6H         LINE#         189
  C:01A6H         LINE#         190
  C:01A6H         LINE#         192
  C:01A8H         LINE#         193
  C:01AAH         LINE#         194
  C:01ACH         LINE#         195
BL51 BANKED LINKER/LOCATER V5.12                                                      07/21/2007  15:08:37  PAGE 6


  C:01AEH         LINE#         196
  C:01B2H         LINE#         197
  C:01B6H         LINE#         198
  C:01BAH         LINE#         199
  C:01BEH         LINE#         200
  C:01C1H         LINE#         202
  C:01CAH         LINE#         203
  C:01CAH         LINE#         204
  C:01CDH         LINE#         205
  C:01D1H         LINE#         206
  C:01D5H         LINE#         207
  C:01D9H         LINE#         208
  C:01DDH         LINE#         209
  C:01E0H         LINE#         210
  C:01E9H         LINE#         211
  C:01E9H         LINE#         212
  C:01FAH         LINE#         213
  C:01FAH         LINE#         214
  C:01FFH         LINE#         215
  C:0204H         LINE#         216
  C:0209H         LINE#         217
  C:020CH         LINE#         218
  C:020CH         LINE#         219
  C:020CH         LINE#         220
  C:020FH         LINE#         221
  -------         ENDPROC       MAIN
  -------         ENDMOD        MAIN

Program Size: data=12.1 xdata=0 code=557
LINK/LOCATE RUN COMPLETE.  0 WARNING(S),  0 ERROR(S)

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