📄 s19-2.lst
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A51 MACRO ASSEMBLER S19_2 02/29/2004 11:12:10 PAGE 1
MACRO ASSEMBLER A51 V7.07
OBJECT MODULE PLACED IN .\S19-2.OBJ
ASSEMBLER INVOKED BY: C:\KEIL\C51\BIN\A51.EXE .\S19-2.asm SET(SMALL) DEBUG EP
LOC OBJ LINE SOURCE
1 ;********89C51引脚定义********
00B3 2 RS BIT P3.3
00B4 3 R_W BIT P3.4
00B5 4 E BIT P3.5
0090 5 DB0_DB7 EQU P1
6 ;*******程序开始********
0000 7 ORG 0000H
0000 020030 8 LJMP MAIN
9 ;*******主程序*******
0030 10 ORG 0030H
0030 758160 11 MAIN: MOV SP,#60H
0033 1200A1 12 LCALL INITIAL
0036 1200E8 13 LCALL CLS
14 ;*******程序启动********
0039 7480 15 START: MOV A,#10000000B
003B 1200C8 16 LCALL WRITE_COM
003E E5A0 17 MOV A,P2
0040 F4 18 CPL A
0041 30E10F 19 JNB ACC.1,DONE2
0044 1200EE 20 LCALL DEL
0047 30E109 21 JNB ACC.1,DONE2
004A 900109 22 MOV DPTR,#LINE1
004D 120092 23 LCALL DISP
0050 020039 24 LJMP START
0053 30E20F 25 DONE2: JNB ACC.2,DONE3
0056 1200EE 26 LCALL DEL
0059 30E209 27 JNB ACC.2,DONE3
005C 90011B 28 MOV DPTR,#LINE2
005F 120092 29 LCALL DISP
0062 020039 30 LJMP START
0065 30E30F 31 DONE3: JNB ACC.3,DONE4
0068 1200EE 32 LCALL DEL
006B 30E309 33 JNB ACC.3,DONE4
006E 90012D 34 MOV DPTR,#LINE3
0071 120092 35 LCALL DISP
0074 020039 36 LJMP START
0077 30E40F 37 DONE4: JNB ACC.4,DONE0
007A 1200EE 38 LCALL DEL
007D 30E409 39 JNB ACC.4,DONE0
0080 90013F 40 MOV DPTR,#LINE4
0083 120092 41 LCALL DISP
0086 020039 42 LJMP START
0089 9000F7 43 DONE0: MOV DPTR,#LINE0
008C 120092 44 LCALL DISP
008F 020039 45 LJMP START
46 ;*******显示字符串到LCM子程序********
0092 C0E0 47 DISP: PUSH ACC
0094 E4 48 DISP_LOOP:CLR A
0095 93 49 MOVC A,@A+DPTR
0096 6006 50 JZ END_DISP
0098 1200D8 51 LCALL WRITE_DATA
009B A3 52 INC DPTR
009C 80F6 53 SJMP DISP_LOOP
009E D0E0 54 END_DISP:POP ACC
00A0 22 55 RET
56 ;****** 启动LCM子程序******
00A1 7438 57 INITIAL:MOV A,#00111000B
00A3 1200C8 58 LCALL WRITE_COM
A51 MACRO ASSEMBLER S19_2 02/29/2004 11:12:10 PAGE 2
00A6 740C 59 MOV A,#00001100B
00A8 1200C8 60 LCALL WRITE_COM
00AB 7406 61 MOV A,#00000110B
00AD 1200C8 62 LCALL WRITE_COM
00B0 22 63 RET
64 ;******查询忙碌标志信号子程序******
00B1 C0E0 65 CHECK_BUSY: PUSH ACC
00B3 C2B5 66 BUSY_LOOP: CLR E
00B5 D2B4 67 SETB R_W
00B7 C2B3 68 CLR RS
00B9 D2B5 69 SETB E
00BB E590 70 MOV A, DB0_DB7
00BD C2B5 71 CLR E
00BF 20E7F1 72 JB ACC.7,BUSY_LOOP
00C2 D0E0 73 POP ACC
00C4 1200EE 74 LCALL DEL
00C7 22 75 RET
76 ;****** 写指令到LCM子程序******
00C8 1200B1 77 WRITE_COM: LCALL CHECK_BUSY
00CB C2B5 78 CLR E
00CD C2B3 79 CLR RS
00CF C2B4 80 CLR R_W
00D1 D2B5 81 SETB E
00D3 F590 82 MOV DB0_DB7,A
00D5 C2B5 83 CLR E
00D7 22 84 RET
85 ;****** 写数据到LCM子程序******
00D8 1200B1 86 WRITE_DATA: LCALL CHECK_BUSY
00DB C2B5 87 CLR E
00DD D2B3 88 SETB RS
00DF C2B4 89 CLR R_W
00E1 D2B5 90 SETB E
00E3 F590 91 MOV DB0_DB7,A
00E5 C2B5 92 CLR E
00E7 22 93 RET
94 ;*******清除LCM子程序*******
00E8 7401 95 CLS: MOV A,#00000001B
00EA 1200C8 96 LCALL WRITE_COM
00ED 22 97 RET
98 ;****延时子程序****
00EE 7E05 99 DEL: MOV R6,#5
00F0 7FF8 100 L1: MOV R7,#248
00F2 DFFE 101 DJNZ R7,$
00F4 DEFA 102 DJNZ R6,L1
00F6 22 103 RET
104 ;*******显示内容********
00F7 2048656C 105 LINE0: DB " Hello-Normal !!!",00H
00FB 6C6F2D4E
00FF 6F726D61
0103 6C202121
0107 2100
0109 204F7665 106 LINE1: DB " Over temp. ?????",00H
010D 72207465
0111 6D702E20
0115 3F3F3F3F
0119 3F00
011B 204F7665 107 LINE2: DB " Over speed ?????",00H
011F 72207370
0123 65656420
0127 3F3F3F3F
012B 3F00
012D 204E6F74 108 LINE3: DB " Not water ??????",00H
0131 20776174
0135 6572203F
0139 3F3F3F3F
013D 3F00
A51 MACRO ASSEMBLER S19_2 02/29/2004 11:12:10 PAGE 3
013F 204E6F74 109 LINE4: DB " Not oil ????????",00H
0143 206F696C
0147 203F3F3F
014B 3F3F3F3F
014F 3F00
110 ;************************
111 END
A51 MACRO ASSEMBLER S19_2 02/29/2004 11:12:10 PAGE 4
SYMBOL TABLE LISTING
------ ----- -------
N A M E T Y P E V A L U E ATTRIBUTES
ACC. . . . . . . . D ADDR 00E0H A
BUSY_LOOP. . . . . C ADDR 00B3H A
CHECK_BUSY . . . . C ADDR 00B1H A
CLS. . . . . . . . C ADDR 00E8H A
DB0_DB7. . . . . . D ADDR 0090H A
DEL. . . . . . . . C ADDR 00EEH A
DISP . . . . . . . C ADDR 0092H A
DISP_LOOP. . . . . C ADDR 0094H A
DONE0. . . . . . . C ADDR 0089H A
DONE2. . . . . . . C ADDR 0053H A
DONE3. . . . . . . C ADDR 0065H A
DONE4. . . . . . . C ADDR 0077H A
E. . . . . . . . . B ADDR 00B0H.5 A
END_DISP . . . . . C ADDR 009EH A
INITIAL. . . . . . C ADDR 00A1H A
L1 . . . . . . . . C ADDR 00F0H A
LINE0. . . . . . . C ADDR 00F7H A
LINE1. . . . . . . C ADDR 0109H A
LINE2. . . . . . . C ADDR 011BH A
LINE3. . . . . . . C ADDR 012DH A
LINE4. . . . . . . C ADDR 013FH A
MAIN . . . . . . . C ADDR 0030H A
P1 . . . . . . . . D ADDR 0090H A
P2 . . . . . . . . D ADDR 00A0H A
P3 . . . . . . . . D ADDR 00B0H A
RS . . . . . . . . B ADDR 00B0H.3 A
R_W. . . . . . . . B ADDR 00B0H.4 A
SP . . . . . . . . D ADDR 0081H A
START. . . . . . . C ADDR 0039H A
WRITE_COM. . . . . C ADDR 00C8H A
WRITE_DATA . . . . C ADDR 00D8H A
REGISTER BANK(S) USED: 0
ASSEMBLY COMPLETE. 0 WARNING(S), 0 ERROR(S)
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