📄 main.ls1
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A51 MACRO ASSEMBLER MAIN 05/18/2007 11:54:46 PAGE 1
MACRO ASSEMBLER A51 V8.00d
OBJECT MODULE PLACED IN main.OBJ
ASSEMBLER INVOKED BY: D:\Program Files\Keil 8.08\C51\BIN\A51.EXE main.src PR(.\main.ls1) EP DEBUG
LOC OBJ LINE SOURCE
1 ; .\main.SRC generated from: main.c
2 ; COMPILER INVOKED BY:
3 ; D:\Program Files\Keil 8.08\C51\BIN\C51.EXE main.c BROWSE DEBUG OBJECTEXTEND SRC(.\
main.SRC)
4
5 $nomod51
6
7 NAME MAIN
8
0080 9 P0 DATA 080H
0090 10 P1 DATA 090H
00A0 11 P2 DATA 0A0H
00B0 12 P3 DATA 0B0H
00B4 13 T0 BIT 0B0H.4
00D6 14 AC BIT 0D0H.6
00B5 15 T1 BIT 0B0H.5
00AF 16 EA BIT 0A8H.7
00A8 17 IE DATA 0A8H
00B7 18 RD BIT 0B0H.7
00AC 19 ES BIT 0A8H.4
00B8 20 IP DATA 0B8H
0098 21 RI BIT 098H.0
00B2 22 INT0 BIT 0B0H.2
00D7 23 CY BIT 0D0H.7
0099 24 TI BIT 098H.1
00B3 25 INT1 BIT 0B0H.3
00BC 26 PS BIT 0B8H.4
0081 27 SP DATA 081H
00D2 28 OV BIT 0D0H.2
00B6 29 WR BIT 0B0H.6
0099 30 SBUF DATA 099H
0087 31 PCON DATA 087H
0098 32 SCON DATA 098H
0089 33 TMOD DATA 089H
0088 34 TCON DATA 088H
0089 35 IE0 BIT 088H.1
008B 36 IE1 BIT 088H.3
00F0 37 B DATA 0F0H
00E0 38 ACC DATA 0E0H
00A9 39 ET0 BIT 0A8H.1
00AB 40 ET1 BIT 0A8H.3
008D 41 TF0 BIT 088H.5
008F 42 TF1 BIT 088H.7
009A 43 RB8 BIT 098H.2
008C 44 TH0 DATA 08CH
00A8 45 EX0 BIT 0A8H.0
0088 46 IT0 BIT 088H.0
008D 47 TH1 DATA 08DH
009B 48 TB8 BIT 098H.3
00AA 49 EX1 BIT 0A8H.2
008A 50 IT1 BIT 088H.2
00D0 51 P BIT 0D0H.0
009F 52 SM0 BIT 098H.7
008A 53 TL0 DATA 08AH
009E 54 SM1 BIT 098H.6
008B 55 TL1 DATA 08BH
009D 56 SM2 BIT 098H.5
00B9 57 PT0 BIT 0B8H.1
A51 MACRO ASSEMBLER MAIN 05/18/2007 11:54:46 PAGE 2
00BB 58 PT1 BIT 0B8H.3
00D3 59 RS0 BIT 0D0H.3
008C 60 TR0 BIT 088H.4
00D4 61 RS1 BIT 0D0H.4
008E 62 TR1 BIT 088H.6
00B8 63 PX0 BIT 0B8H.0
00BA 64 PX1 BIT 0B8H.2
00B1 65 CLK BIT 0B0H.1
00B0 66 DIN BIT 0B0H.0
0083 67 DPH DATA 083H
0082 68 DPL DATA 082H
009C 69 REN BIT 098H.4
00B0 70 RXD BIT 0B0H.0
00B1 71 TXD BIT 0B0H.1
00D5 72 F0 BIT 0D0H.5
00D0 73 PSW DATA 0D0H
74 ?PR?main?MAIN SEGMENT CODE
75 ?PR?delay?MAIN SEGMENT CODE
76 ?DT?delay?MAIN SEGMENT DATA OVERLAYABLE
77 ?CO?MAIN SEGMENT CODE
78 ?DT?MAIN SEGMENT DATA
79 EXTRN CODE (?C_STARTUP)
80 PUBLIC DBUF0
81 PUBLIC TEMP
82 PUBLIC SEGTAB
83 PUBLIC delay
84 PUBLIC main
85
---- 86 RSEG ?DT?delay?MAIN
0000 87 ?delay?BYTE:
0000 88 j?143: DS 1
89
---- 90 RSEG ?DT?MAIN
0000 91 TEMP: DS 2
0002 92 DBUF0: DS 2
93
---- 94 RSEG ?CO?MAIN
0000 95 SEGTAB:
0000 3F 96 DB 03FH
0001 06 97 DB 006H
0002 5B 98 DB 05BH
0003 4F 99 DB 04FH
0004 66 100 DB 066H
0005 6D 101 DB 06DH
0006 7D 102 DB 07DH
0007 07 103 DB 007H
0008 7F 104 DB 07FH
0009 6F 105 DB 06FH
106
107 ; #include <reg51.h>
108 ;
109 ; typedef unsigned char BYTE;
110 ;
111 ; BYTE code SEGTAB[]={0x3F,0x06,0x5B,0x4F,0x66,
112 ; 0x6D,0x7D,0x07,0x7F,0x6F};
113 ;
114 ; sbit DIN=P3^0;
115 ; sbit CLK=P3^1;
116 ;
117 ;
118 ; BYTE DBUF0[2];
119 ; BYTE TEMP[2];
120 ;
121 ; void delay();
122 ;
123 ; main()
A51 MACRO ASSEMBLER MAIN 05/18/2007 11:54:46 PAGE 3
124
---- 125 RSEG ?PR?main?MAIN
0000 126 main:
127 USING 0
128 ; SOURCE LINE # 17
129 ; {
130 ; SOURCE LINE # 18
131 ; BYTE num;
132 ; BYTE out;
133 ; BYTE offset;
134 ;
135 ; DBUF0[0]=0x01;
136 ; SOURCE LINE # 23
0000 750001 F 137 MOV DBUF0,#01H
138 ; DBUF0[1]=0x05;
139 ; SOURCE LINE # 24
0003 750005 F 140 MOV DBUF0+01H,#05H
141 ;
142 ; offset=0;
143 ; SOURCE LINE # 26
144 ;---- Variable 'offset?042' assigned to Register 'R7' ----
0006 E4 145 CLR A
0007 FF 146 MOV R7,A
147 ; num=0x02;
148 ; SOURCE LINE # 27
149 ;---- Variable 'num?040' assigned to Register 'R6' ----
0008 7E02 150 MOV R6,#02H
000A 151 ?C0003:
152 ; do
153 ; {
154 ; SOURCE LINE # 29
155 ; TEMP[offset]=SEGTAB[DBUF0[offset]];
156 ; SOURCE LINE # 30
000A 7400 F 157 MOV A,#LOW (DBUF0)
000C 2F 158 ADD A,R7
000D F8 159 MOV R0,A
000E E6 160 MOV A,@R0
000F 900000 F 161 MOV DPTR,#SEGTAB
0012 93 162 MOVC A,@A+DPTR
0013 FD 163 MOV R5,A
0014 7400 F 164 MOV A,#LOW (TEMP)
0016 2F 165 ADD A,R7
0017 F8 166 MOV R0,A
0018 A605 167 MOV @R0,AR5
168 ; offset++;
169 ; SOURCE LINE # 31
001A 0F 170 INC R7
171 ; }while(--num);
172 ; SOURCE LINE # 32
001B DEED 173 DJNZ R6,?C0003
174 ;
175 ; num=0x02;
176 ; SOURCE LINE # 34
001D 7E02 177 MOV R6,#02H
178 ; offset=0;
179 ; SOURCE LINE # 35
001F E4 180 CLR A
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