MCS-51 单片机设计应用程序实例 - Read

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; NOP NOP NOP NOP NOP NOP NOP NOP NOP AJMP READLOOP0 MCS-51 系列单片机设计实例 READDATA2: CLR LAMP ;存低电平 MOV @R1,DPL INC R1 MOV DPL,#READTIME MOV DPH,#00H READLOOP1: JNB REMOTEIN,READDATA3 ;读高电平 ; INC DPTR NOP NOP NOP NOP NOP NOP NOP NOP NOP NOP NOP NOP NOP NOP NOP AJMP READLOOP1 READDATA3: CLR A ; CJNE A,DPH,READDATA4 AJMP READDATA1 READDATA4: MOV @R0,A ; MOV @R1,A SETB LAMP CLR STUDYLAMP PDF created with FinePrint pdfFactory trial version http://www.fineprint.com 32
SETB REMOTEIN MCS-51 系列单片机设计实例 READEND: JNB STUDYKEY,READEND ; MOV R0,#KEYFUNRW MOV @R0,#WITERFLAG SETB EX0 SETB EA RETI ;************************************* ;* * ;* 键工作子程序 * ;* * ;************************************* KEYWORK: SETB P1.0 KEYOUT: RET ; JNB P1.0,KEY0 KEY0: LCALL DL10MS ;延时去抖动 ; JB P1.0,KEYOUT LJMP REMOTETX ;************************************* ;* * ;* 延时 255 X 2 = 512 us * ;* * ;************************************* DELAY: MOV R0,#DELAYCONUT0 DELAY1: DJNZ R0,DELAY1 ; ; ; RET ;************************************* ;* * ;* 延时 25 ms * ;* * ;************************************* DL10MS: MOV R1,#DELAYCONUT DL10MS1: LCALL DELAY ; DJNZ R1,DL10MS1 RET END PDF created with FinePrint pdfFactory trial version http://www.fineprint.com 33
Page 1 and 2: MCS-51 系列单片机设计
Page 3 and 4: ;************; ; 初始化程序 ;
Page 5 and 6: ;************; ; 延时程序 ; ;*
Page 7 and 8: ; ; ; ORG 0003H RETI ORG 000BH LJMP
Page 9 and 10: ; INTT1: PUSH ACC PUSH PSW MOV TL1,
Page 11 and 12: ; WAITH: JNB P3.7,WAITH LJMP START1
Page 13 and 14: 说明: MCS-51 系列单片机
Page 15 and 16: ; MOV A,R3 INC A MOV R3,A INC R1 DJ
Page 17 and 18: OUT: RET INC R0 DJNZ R2,MOV1 MOV R2
Page 21 and 22: ; RET ;****************************
Page 27 and 28: ;**********************************
Page 29 and 30: ; NOP NOP NOP NOP DJNZ R2,LOWBACKTM
Page 31: ; AJMP READHEAD READDATA00: MOV R3,
Page 37 and 38: ;**********************************
Page 39 and 40: ADD A,B MCS-51 系列单片机
Page 41 and 42: ; RET KEYFUN12: MOV A,#0EH ; LJMP R
Page 43 and 44: DL10MS: MOV R3,#14H DL10MS1: LCALL
Page 45 and 46: ; ORG 000BH RETI ORG 0013H RETI ORG
Page 47 and 48: DEC A JZ FUN9 DEC A JZ FUN10 DEC A
Page 49 and 50: LOOP: MOV A,P1 SUBB A,#0FFH JZ LOOP
Page 51 and 52: ; ; MCS-51 系列单片机设
Page 53 and 54: ;;;;;;;;;;;;;;;;;;;; ;; PROGRAM STA
Page 55 and 56: MOV A,71H MCS-51 系列单片
Page 57 and 58: NOP NOP NOP NOP CLR VSCL SETB VSDA
Page 59 and 60: ; ;;;;;;;;;;;;;;;;;;;; ;;DISPLAY PR
Page 61 and 62: ; ; ;;;;;;;;;;;;;;;;; ; DL1MS ;; ;;
Page 63 and 64: ; KKK: MOV A,15H RLC A MOV 15H,A MO
Page 65 and 66: 3. 传感脉冲检测电路 MCS-51
Page 67 and 68: ; MOV 23H,#00H CLR 30H SETB ET1 SET
Page 69 and 70: ; CPL P3.6 CPL P3.7 LCALL DS50MS LC
Page 71 and 72: RETT0: POP PSW POP ACC RETI ;;;;;;;
Page 75 and 76: ;**********************************
Page 77 and 78: LCALL REMOTE RET KEYFUN06: MOV A,#0
Page 83 and 84:
MCS-51 系列单片机设计
Page 85 and 86:
; ORG 0013H ORG 001BH ORG 0023H LJM
Page 87 and 88:
LJMP REMOTE KEY1: LCALL DELAY JB P0
Page 89 and 90:
LJMP READOUT0 FRT: CLR P0.4 LJMP RE
Page 91 and 92:
Page 93 and 94:
NOP NOP NOP NOP NOP NOP NOP DJNZ R0
Page 95 and 96:
;**********************************
Page 97 and 98:
READ21: INC A READ22: JNB P1.0,READ
Page 99 and 100:
说明: MCS-51 系列单片机
Page 101 and 102:
; MCS-51 系列单片机设
Page 103 and 104:
MOV A,P1 ANL A,#0F0H CJNE A,#0F0H,C
Page 105 and 106:
KEYFUN04: MOV 29H,#01H MOV 28H,#00H
Page 107 and 108:
MOV B,#100 LCALL MULLOOP MOV A,29H
Page 109 and 110:
RET DL1MS: MOV R4,#02H DL1MSLOOP: L
Page 111 and 112:
Page 113 and 114:
DEC A MOV P1,A MOV P0,A MOV P3,A SE
Page 115 and 116:
FUN02: MOV R0,#75H MOV B,#02H LCALL
Page 117 and 118:
; SETB EA RETI ;************** ;
Page 119 and 120:
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寄存器 ; ; 控制标志位定
Page 125 and 126:
; ; MCS-51 系列单片机设
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Page 141 and 142:
Page 143 and 144:
; R2 内容高位地址 R1 内容
Page 145 and 146:
COMPASCOUT: RET ; ; MCS-51 系列
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Page 159 and 160:
; RET MCS-51 系列单片机
Page 161 and 162:
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MCS-51 单片机设计应用程序实例 - Read

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