////////////////////////////////////////////////
//名称：模拟自动车库
//电路原理：P86--P87
//作者：李春起
//版本：CARLIB.ASM-V0.0
//编写时间:2010.11.01
//修订日志:
INTER EQU P3.3//驶入
LEAVE EQU P3.2//驶离
IN EQU P1.6//存入
OUT EQU P1.7//取出
ORG 0000H
JMP MAIN
// ORG 000BH
// JMP T00
ORG 0030H
MAIN:MOV TMOD,#01H
MOV TH0,#3CH
MOV TL0,#0B0H
SETB TR0
SETB EA
SETB ET0
MOV 20H,#0FFH //车位状态初始化
MOV 21H,#0FFH//请求车位
LOOP://ACALL DELAY2S
//CLR P2.4//初始态平板车位置
SETB P2.0
SETB P2.1
SETB P2.2
K1: JB INTER,K2//不等0转移
JNB INTER,$//等待放开
CLR P2.4//指示有车待入库
K2: JB LEAVE,K3
JNB LEAVE,$
SETB P2.4
K3: JB IN,K4
JNB IN,$
CLR P2.4
CLR P2.1//选择存入
SETB P2.0
JMP K5
K4: JB OUT,K1
JNB OUT,$
CLR P2.0
SETB P2.1
JMP K6
K5: SETB P2.2
KA1:JB OUT,KA2
JMP K1
JB P1.0,KA2
JNB P1.0,$
JNB P0.0,KA2
CLR P2.2
MOV 20H,#0FEH
JMP KENT
KA2:JB P1.1,KA3
JNB P1.1,$
JNB P0.1,KA3//
CLR P2.2
MOV 20H,#0FDH
JMP KENT
KA3:JB P1.2,KA4
JNB P1.2,$
JNB P0.2,KA4
CLR P2.2
MOV 20H,#0FBH
JMP KENT
KA4:JB P1.3,KA5
JNB P1.3,$
JNB P0.3,KA5
CLR P2.2
MOV 20H,#0F7H
JMP KENT
KA5:JB P1.4,KA6
JNB P1.4,$
JNB P0.4,KA6
CLR P2.2
MOV 20H,#0EFH
JMP KENT
KA6:JB P1.5,KENT
JNB P1.5,$
JNB P0.5,KENT
CLR P2.2
MOV 20H,#0DFH
KENT:
JB P3.0,KA1
JNB P3.0,$
JB P2.2,KA1
ACALL DELAY2S
SETB P2.4
CLR P2.5
ACALL DELAY2S
MOV A,20H
CJNE A,#0FEH,NA1
SETB P2.5
CLR P0.0
ACALL DELAY2S
CLR P2.5
ACALL DELAY2S
SETB P2.5
CLR P2.4
JMP LOOP
NA1: CJNE A,#0F7H,NA2
SETB P2.5
CLR P0.3
ACALL DELAY2S
CLR P2.5
ACALL DELAY2S
SETB P2.5
CLR P2.4
JMP LOOP
NA2: SETB P2.5
CLR P2.6
ACALL DELAY2S
CJNE A,#0FDH,NA3
SETB P2.6
CLR P0.1
ACALL DELAY2S
CLR P2.6
ACALL DELAY2S
SETB P2.6
CLR P2.5
ACALL DELAY2S
SETB P2.5
CLR P2.4
JMP LOOP
NA3: CJNE A,#0EFH,NA4
SETB P2.6
CLR P0.4
ACALL DELAY2S
CLR P2.6
ACALL DELAY2S
SETB P2.6
CLR P2.5
ACALL DELAY2S
SETB P2.5
CLR P2.4
JMP LOOP
NA4: SETB P2.6
CLR P2.7
ACALL DELAY2S
CJNE A,#0FBH,NA5
SETB P2.7
CLR P0.2
ACALL DELAY2S
CLR P2.7
ACALL DELAY2S
SETB P2.7
CLR P2.6
ACALL DELAY2S
SETB P2.6
CLR P2.5
ACALL DELAY2S
SETB P2.5
CLR P2.4
JMP LOOP
NA5: CJNE A,#0DFH,NA6
SETB P2.7
CLR P0.5
ACALL DELAY2S
CLR P2.7
ACALL DELAY2S
SETB P2.7
CLR P2.6
ACALL DELAY2S
SETB P2.6
CLR P2.5
ACALL DELAY2S
SETB P2.5
CLR P2.4
NA6: JMP LOOP
//============取车===========================
K6: SETB P2.2
KB1:JB IN,KB2
JMP K1
JB P1.0,KB2
JNB P1.0,$
JB P0.0,KB2
CLR P2.2
MOV 20H,#0FEH
JMP KENV
KB2:JB P1.1,KB3
JNB P1.1,$
JB P0.1,KB3//
CLR P2.2
MOV 20H,#0FDH
JMP KENV
KB3:JB P1.2,KB4
JNB P1.2,$
JB P0.2,KB4
CLR P2.2
MOV 20H,#0FBH
JMP KENV
KB4:JB P1.3,KB5
JNB P1.3,$
JB P0.3,KB5
CLR P2.2
MOV 20H,#0F7H
JMP KENV
KB5:JB P1.4,KB6
JNB P1.4,$
JB P0.4,KB6
CLR P2.2
MOV 20H,#0EFH
JMP KENV
KB6:JB P1.5,KENV
JNB P1.5,$
JB P0.5,KENV
CLR P2.2
MOV 20H,#0DFH
KENV:
JB P3.0,KB1
JNB P3.0,$
JB P2.2,KB1
ACALL DELAY2S
SETB P2.4
CLR P2.5
ACALL DELAY2S
MOV A,20H
CJNE A,#0FEH,NB1
SETB P2.5
// CLR P0.0
ACALL DELAY2S
SETB P0.0
CLR P2.5
ACALL DELAY2S
SETB P2.5
CLR P2.4
JMP LOOP
NB1: CJNE A,#0F7H,NB2
SETB P2.5
// CLR P0.3
ACALL DELAY2S
SETB P0.3
CLR P2.5
ACALL DELAY2S
SETB P2.5
CLR P2.4
JMP LOOP
NB2: SETB P2.5
CLR P2.6
ACALL DELAY2S
CJNE A,#0FDH,NB3
SETB P2.6
// CLR P0.1
ACALL DELAY2S
SETB P0.1
CLR P2.6
ACALL DELAY2S
SETB P2.6
CLR P2.5
ACALL DELAY2S
SETB P2.5
CLR P2.4
JMP LOOP
NB3: CJNE A,#0EFH,NB4
SETB P2.6
// CLR P0.4
ACALL DELAY2S
SETB P0.4
CLR P2.6
ACALL DELAY2S
SETB P2.6
CLR P2.5
ACALL DELAY2S
SETB P2.5
CLR P2.4
JMP LOOP
NB4: SETB P2.6
CLR P2.7
ACALL DELAY2S
CJNE A,#0FBH,NB5
SETB P2.7
// CLR P0.2
ACALL DELAY2S
SETB P0.2
CLR P2.7
ACALL DELAY2S
SETB P2.7
CLR P2.6
ACALL DELAY2S
SETB P2.6
CLR P2.5
ACALL DELAY2S
SETB P2.5
CLR P2.4
JMP LOOP
NB5: CJNE A,#0DFH,NB6
SETB P2.7
// CLR P0.5
ACALL DELAY2S
SETB P0.5
CLR P2.7
ACALL DELAY2S
SETB P2.7
CLR P2.6
ACALL DELAY2S
SETB P2.6
CLR P2.5
ACALL DELAY2S
SETB P2.5
CLR P2.4
NB6: JMP LOOP
DELAY2S:MOV R1,#8
DELA1:MOV R2,#255
DELA2:MOV R3,#100
DELA3:NOP
NOP
DJNZ R3,DELA3
DJNZ R2,DELA2
DJNZ R1,DELA1
RET
END
完整汇编程序下载地址: http://www.51hei.com/f/ck.rar
电路图：
