📄 key.lst
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A51 MACRO ASSEMBLER KEY 04/19/2008 17:06:32 PAGE 1
MACRO ASSEMBLER A51 V8.00
OBJECT MODULE PLACED IN key.OBJ
ASSEMBLER INVOKED BY: C:\Keil\C51\BIN\A51.EXE key.asm SET(SMALL) DEBUG EP
LOC OBJ LINE SOURCE
0030 1 KEYBUF EQU 30H
0000 2 ORG 00H
0000 753002 3 START: MOV KEYBUF,#2
0003 4 WAIT:
0003 75B0FF 5 MOV P3,#0FFH
0006 C2B4 6 CLR P3.4
0008 E5B0 7 MOV A,P3
000A 540F 8 ANL A,#0FH
000C 640F 9 XRL A,#0FH
000E 6044 10 JZ NOKEY1
0010 12014C 11 LCALL DELY10MS
0013 E5B0 12 MOV A,P3
0015 540F 13 ANL A,#0FH
0017 640F 14 XRL A,#0FH
0019 6039 15 JZ NOKEY1
001B E5B0 16 MOV A,P3
001D 540F 17 ANL A,#0FH
001F B40E06 18 CJNE A,#0EH,NK1
0022 753000 19 MOV KEYBUF,#0
0025 020044 20 LJMP DK1
0028 B40D06 21 NK1: CJNE A,#0DH,NK2
002B 753001 22 MOV KEYBUF,#1
002E 020044 23 LJMP DK1
0031 B40B06 24 NK2: CJNE A,#0BH,NK3
0034 753002 25 MOV KEYBUF,#2
0037 020044 26 LJMP DK1
003A B40706 27 NK3: CJNE A,#07H,NK4
003D 753003 28 MOV KEYBUF,#3
0040 020044 29 LJMP DK1
0043 00 30 NK4: NOP
0044 31 DK1:
0044 E530 32 MOV A,KEYBUF
0046 900155 33 MOV DPTR,#TABLE
0049 93 34 MOVC A,@A+DPTR
004A F580 35 MOV P0,A
36
004C E5B0 37 DK1A: MOV A,P3
004E 540F 38 ANL A,#0FH
0050 640F 39 XRL A,#0FH
0052 70F8 40 JNZ DK1A
0054 41 NOKEY1:
0054 75B0FF 42 MOV P3,#0FFH
0057 C2B5 43 CLR P3.5
0059 E5B0 44 MOV A,P3
005B 540F 45 ANL A,#0FH
005D 640F 46 XRL A,#0FH
005F 6044 47 JZ NOKEY2
0061 12014C 48 LCALL DELY10MS
0064 E5B0 49 MOV A,P3
0066 540F 50 ANL A,#0FH
0068 640F 51 XRL A,#0FH
006A 6039 52 JZ NOKEY2
006C E5B0 53 MOV A,P3
006E 540F 54 ANL A,#0FH
0070 B40E06 55 CJNE A,#0EH,NK5
0073 753004 56 MOV KEYBUF,#4
0076 020095 57 LJMP DK2
0079 B40D06 58 NK5: CJNE A,#0DH,NK6
A51 MACRO ASSEMBLER KEY 04/19/2008 17:06:32 PAGE 2
007C 753005 59 MOV KEYBUF,#5
007F 020095 60 LJMP DK2
0082 B40B06 61 NK6: CJNE A,#0BH,NK7
0085 753006 62 MOV KEYBUF,#6
0088 020095 63 LJMP DK2
008B B40706 64 NK7: CJNE A,#07H,NK8
008E 753007 65 MOV KEYBUF,#7
0091 020095 66 LJMP DK2
0094 00 67 NK8: NOP
0095 68 DK2:
0095 E530 69 MOV A,KEYBUF
0097 900155 70 MOV DPTR,#TABLE
009A 93 71 MOVC A,@A+DPTR
009B F580 72 MOV P0,A
73
009D E5B0 74 DK2A: MOV A,P3
009F 540F 75 ANL A,#0FH
00A1 640F 76 XRL A,#0FH
00A3 70F8 77 JNZ DK2A
00A5 78 NOKEY2:
00A5 75B0FF 79 MOV P3,#0FFH
00A8 C2B6 80 CLR P3.6
00AA E5B0 81 MOV A,P3
00AC 540F 82 ANL A,#0FH
00AE 640F 83 XRL A,#0FH
00B0 6044 84 JZ NOKEY3
00B2 12014C 85 LCALL DELY10MS
00B5 E5B0 86 MOV A,P3
00B7 540F 87 ANL A,#0FH
00B9 640F 88 XRL A,#0FH
00BB 6039 89 JZ NOKEY3
00BD E5B0 90 MOV A,P3
00BF 540F 91 ANL A,#0FH
00C1 B40E06 92 CJNE A,#0EH,NK9
00C4 753008 93 MOV KEYBUF,#8
00C7 0200E6 94 LJMP DK3
00CA B40D06 95 NK9: CJNE A,#0DH,NK10
00CD 753009 96 MOV KEYBUF,#9
00D0 0200E6 97 LJMP DK3
00D3 B40B06 98 NK10: CJNE A,#0BH,NK11
00D6 75300A 99 MOV KEYBUF,#10
00D9 0200E6 100 LJMP DK3
00DC B40706 101 NK11: CJNE A,#07H,NK12
00DF 75300B 102 MOV KEYBUF,#11
00E2 0200E6 103 LJMP DK3
00E5 00 104 NK12: NOP
00E6 105 DK3:
00E6 E530 106 MOV A,KEYBUF
00E8 900155 107 MOV DPTR,#TABLE
00EB 93 108 MOVC A,@A+DPTR
00EC F580 109 MOV P0,A
110
00EE E5B0 111 DK3A: MOV A,P3
00F0 540F 112 ANL A,#0FH
00F2 640F 113 XRL A,#0FH
00F4 70F8 114 JNZ DK3A
00F6 115 NOKEY3:
00F6 75B0FF 116 MOV P3,#0FFH
00F9 C2B7 117 CLR P3.7
00FB E5B0 118 MOV A,P3
00FD 540F 119 ANL A,#0FH
00FF 640F 120 XRL A,#0FH
0101 6046 121 JZ NOKEY4
0103 12014C 122 LCALL DELY10MS
0106 E5B0 123 MOV A,P3
0108 540F 124 ANL A,#0FH
A51 MACRO ASSEMBLER KEY 04/19/2008 17:06:32 PAGE 3
010A 640F 125 XRL A,#0FH
010C 603B 126 JZ NOKEY4
010E E5B0 127 MOV A,P3
0110 540F 128 ANL A,#0FH
0112 B40E06 129 CJNE A,#0EH,NK13
0115 75300C 130 MOV KEYBUF,#12
0118 020137 131 LJMP DK4
011B B40D06 132 NK13: CJNE A,#0DH,NK14
011E 75300D 133 MOV KEYBUF,#13
0121 020137 134 LJMP DK4
0124 B40B06 135 NK14: CJNE A,#0BH,NK15
0127 75300E 136 MOV KEYBUF,#14
012A 020137 137 LJMP DK4
012D B40706 138 NK15: CJNE A,#07H,NK16
0130 75300F 139 MOV KEYBUF,#15
0133 020137 140 LJMP DK4
0136 00 141 NK16: NOP
0137 142 DK4:
0137 E530 143 MOV A,KEYBUF
0139 900155 144 MOV DPTR,#TABLE
013C 93 145 MOVC A,@A+DPTR
013D F580 146 MOV P0,A
013F 314C 147 acall dely10ms
148
0141 E5B0 149 DK4A: MOV A,P3
0143 540F 150 ANL A,#0FH
0145 640F 151 XRL A,#0FH
0147 70F8 152 JNZ DK4A
0149 153 NOKEY4:
0149 020003 154 LJMP WAIT
014C 155 DELY10MS:
014C 7E0A 156 MOV R6,#10
014E 7FF8 157 D1: MOV R7,#248
0150 DFFE 158 DJNZ R7,$
0152 DEFA 159 DJNZ R6,D1
0154 22 160 RET
0155 3F065B4F 161 TABLE: DB 3FH,06H,5BH,4FH,66H,6DH,7DH,07H
0159 666D7D07
015D 7F6F777C 162 DB 7FH,6FH,77H,7CH,39H,5EH,79H,71H
0161 395E7971
163 END
A51 MACRO ASSEMBLER KEY 04/19/2008 17:06:32 PAGE 4
SYMBOL TABLE LISTING
------ ----- -------
N A M E T Y P E V A L U E ATTRIBUTES
D1 . . . . . . . . C ADDR 014EH A
DELY10MS . . . . . C ADDR 014CH A
DK1. . . . . . . . C ADDR 0044H A
DK1A . . . . . . . C ADDR 004CH A
DK2. . . . . . . . C ADDR 0095H A
DK2A . . . . . . . C ADDR 009DH A
DK3. . . . . . . . C ADDR 00E6H A
DK3A . . . . . . . C ADDR 00EEH A
DK4. . . . . . . . C ADDR 0137H A
DK4A . . . . . . . C ADDR 0141H A
KEYBUF . . . . . . N NUMB 0030H A
NK1. . . . . . . . C ADDR 0028H A
NK10 . . . . . . . C ADDR 00D3H A
NK11 . . . . . . . C ADDR 00DCH A
NK12 . . . . . . . C ADDR 00E5H A
NK13 . . . . . . . C ADDR 011BH A
NK14 . . . . . . . C ADDR 0124H A
NK15 . . . . . . . C ADDR 012DH A
NK16 . . . . . . . C ADDR 0136H A
NK2. . . . . . . . C ADDR 0031H A
NK3. . . . . . . . C ADDR 003AH A
NK4. . . . . . . . C ADDR 0043H A
NK5. . . . . . . . C ADDR 0079H A
NK6. . . . . . . . C ADDR 0082H A
NK7. . . . . . . . C ADDR 008BH A
NK8. . . . . . . . C ADDR 0094H A
NK9. . . . . . . . C ADDR 00CAH A
NOKEY1 . . . . . . C ADDR 0054H A
NOKEY2 . . . . . . C ADDR 00A5H A
NOKEY3 . . . . . . C ADDR 00F6H A
NOKEY4 . . . . . . C ADDR 0149H A
P0 . . . . . . . . D ADDR 0080H A
P3 . . . . . . . . D ADDR 00B0H A
START. . . . . . . C ADDR 0000H A
TABLE. . . . . . . C ADDR 0155H A
WAIT . . . . . . . C ADDR 0003H A
REGISTER BANK(S) USED: 0
ASSEMBLY COMPLETE. 0 WARNING(S), 0 ERROR(S)
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