微机课设-汽车信号灯控制系统（proteus仿真+汇编程序）

ORG 0000H AJMP START1 ORG 0030H SAME EQU 4EH LCD_RS EQU P2.5 ;1602端口定义 LCD_RW EQU P2.6 LCD_EN EQU P2.7 LCD_DATA EQU P0 START1:MOV P1,#00H ;无输入时输出 MOV R1,#01H START: MOV A,P2 ;读P2口数据 ANL A,#1FH ;取用P2口的低5位数据 CJNE A,#1FH,SHIY ;对P2口低5位数据进行判断 AJMP START1 SHIY: MOV SAME,A LCALL YS ;延时 MOV A,P2 ;读P2口的数据 ANL A,#1FH ;取用P2口的低5位数据 CJNE A,#1FH,SHIY1 ;对P2口低5位数据进行判断 AJMP START1 ;开关没有动作时无输出 SHIY1: CJNE A,SAME,START1 CJNE A,#17H,NEXT1 ;P2.3=0时进入左转弯分支 AJMP LEFT NEXT1: CJNE A,#0FH,NEXT2 ;P2.4=0时进入右转弯分支 AJMP RIGHT NEXT2: CJNE A,#1DH,NEXT3 ; P2.1=0时进入紧急分支 AJMP EARGE NEXT3: CJNE A,#1EH,NEXT4 ;P2.0=0时进入刹车分支 AJMP BRAKE NEXT4: CJNE A,#16H,NEXT5 ;P2.0=P2.3=0时进入左转弯刹车分支 AJMP LEBR NEXT5: CJNE A,#0EH,NEXT6 ;p2.0=P2.4=0时进入右转弯刹车分支 AJMP RIBR NEXT6: CJNE A,#1CH,NEXT7 ;P2.0=P2.1=0时进入紧急刹车分支 AJMP BRER NEXT7: CJNE A,#14H,NEXT8 ;P2.0=P2.1=P2.3=0时进入左转弯紧急刹车分支 AJMP LBE NEXT8: CJNE A,#0CH,NEXT9 ; P2.0=P2.1=P2.4=0时进入右转弯紧急刹车分支 AJMP RBE NEXT9: CJNE A,#1BH,NEXT10 ;P2.2=0时进入停靠分支 AJMP STOP NEXT10: AJMP ERROR LEFT: MOV P1,#2AH ;左转弯分支 LCALL Y1s MOV P1,#00H LCALL Y1s CJNE R1,#01H,START ;1602显示left CALL LCD_INIT MOV A, #80H CALL LCD_WCMD MOV A, #01H CALL LCD_WDATA ACALL QLCD ;调清屏子程序 MOV A, #'l' CALL LCD_WDATA MOV A, #'e' CALL LCD_WDATA MOV A, #'f' CALL LCD_WDATA MOV A, #'t' CALL LCD_WDATA MOV R1,#00H AJMP START RIGHT:MOV P1,#54H ;右转弯分支 LCALL Y1s MOV P1,#00H LCALL Y1s ;CJNE R1,#01H,START ;1602显示right CALL LCD_INIT MOV A, #80H CALL LCD_WCMD MOV A, #01H CALL LCD_WDATA ACALL QLCD ;调清屏子程序 MOV A, #'r' CALL LCD_WDATA MOV A, #'i' CALL LCD_WDATA MOV A, #'g' CALL LCD_WDATA MOV A, #'h' CALL LCD_WDATA MOV A, #'t' CALL LCD_WDATA ;DEC R1 AJMP START EARGE: MOV P1,#7EH ;紧急分支 LCALL Y1s MOV P1,#00H LCALL Y1s CALL LCD_INIT MOV A, #80H ;1602显示earge CALL LCD_WCMD MOV A, #01H CALL LCD_WDATA ACALL QLCD ;调清屏子程序 MOV A, #'e' CALL LCD_WDATA MOV A, #'a' CALL LCD_WDATA MOV A, #'r' CALL LCD_WDATA MOV A, #'g' CALL LCD_WDATA MOV A, #'e' CALL LCD_WDATA AJMP START BRAKE: MOV P1,#60H ;刹车分支 CALL LCD_INIT MOV A, #80H ;1602显示break CALL LCD_WCMD MOV A, #01H CALL LCD_WDATA ACALL QLCD ;调清屏子程序 MOV A, #'b' CALL LCD_WDATA MOV A, #'r' CALL LCD_WDATA MOV A, #'e' CALL LCD_WDATA MOV A, #'a' CALL LCD_WDATA MOV A, #'k' CALL LCD_WDATA AJMP START AJMP LEBR LEBR: MOV P1,#6AH ;左转弯刹车分支 LCALL Y1s MOV P1,#20H LCALL Y1s CALL LCD_INIT MOV A, #80H ;1602显示left-break CALL LCD_WCMD MOV A, #01H CALL LCD_WDATA ACALL QLCD ;调清屏子程序 MOV A, #'l' CALL LCD_WDATA MOV A, #'e' CALL LCD_WDATA MOV A, #'f' CALL LCD_WDATA MOV A, #'t' CALL LCD_WDATA MOV A, #'-' CALL LCD_WDATA MOV A, #'b' CALL LCD_WDATA MOV A, #'r' CALL LCD_WDATA MOV A, #'e' CALL LCD_WDATA MOV A, #'a' CALL LCD_WDATA MOV A, #'k' CALL LCD_WDATA AJMP START RIBR: MOV P1,#74H ;右转弯刹车分支 LCALL Y1s MOV P1,#40H LCALL Y1s CALL LCD_INIT MOV A, #80H ;1602显示right-break CALL LCD_WCMD MOV A, #01H CALL LCD_WDATA ACALL QLCD ;调清屏子程序 MOV A, #'r' CALL LCD_WDATA MOV A, #'i' CALL LCD_WDATA MOV A, #'g' CALL LCD_WDATA MOV A, #'h' CALL LCD_WDATA MOV A, #'t' CALL LCD_WDATA MOV A, #'-' CALL LCD_WDATA MOV A, #'b' CALL LCD_WDATA MOV A, #'r' CALL LCD_WDATA MOV A, #'e' CALL LCD_WDATA MOV A, #'a' CALL LCD_WDATA MOV A, #'k' CALL LCD_WDATA AJMP START BRER: MOV P1,#7EH ;紧急刹车分支 LCALL Y1s MOV P1,#60H LCALL Y1s CALL LCD_INIT MOV A, #80H ;1602显示break-earge CALL LCD_WCMD MOV A, #01H CALL LCD_WDATA ACALL QLCD ;调清屏子程序 MOV A, #'b' CALL LCD_WDATA MOV A, #'r' CALL LCD_WDATA MOV A, #'e' CALL LCD_WDATA MOV A, #'a' CALL LCD_WDATA MOV A, #'k' CALL LCD_WDATA MOV A, #'-' CALL LCD_WDATA MOV A, #'e' CALL LCD_WDATA MOV A, #'a' CALL LCD_WDATA MOV A, #'r' CALL LCD_WDATA MOV A, #'g' CALL LCD_WDATA MOV A, #'e' CALL LCD_WDATA AJMP START LBE: MOV P1,#7EH ;左转弯紧急刹车分支 LCALL Y1s MOV P1,#20H LCALL Y1s CALL LCD_INIT MOV A, #80H ;1602显示left-break-earge CALL LCD_WCMD MOV A, #01H CALL LCD_WDATA ACALL QLCD ;调清屏子程序 MOV A, #'l' CALL LCD_WDATA MOV A, #'e' CALL LCD_WDATA MOV A, #'f' CALL LCD_WDATA MOV A, #'t' CALL LCD_WDATA MOV A, #'-' CALL LCD_WDATA MOV A, #'b' CALL LCD_WDATA MOV A, #'r' CALL LCD_WDATA MOV A, #'e' CALL LCD_WDATA MOV A, #'a' CALL LCD_WDATA MOV A, #'k' CALL LCD_WDATA MOV A, #'-' CALL LCD_WDATA MOV A, #'e' CALL LCD_WDATA MOV A, #'a' CALL LCD_WDATA MOV A, #'r' CALL LCD_WDATA MOV A, #'g' CALL LCD_WDATA MOV A, #'e' CALL LCD_WDATA AJMP START RBE: MOV P1,#76H ;右转弯紧急刹车分支 LCALL Y1s MOV P1,#40H LCALL Y1s CALL LCD_INIT MOV A, #80H ;1602显示right-break-earge CALL LCD_WCMD MOV A, #01H CALL LCD_WDATA ACALL QLCD ;调清屏子程序 MOV A, #'r' CALL LCD_WDATA MOV A, #'i' CALL LCD_WDATA MOV A, #'g' CALL LCD_WDATA MOV A, #'h' CALL LCD_WDATA MOV A, #'t' CALL LCD_WDATA MOV A, #'-' CALL LCD_WDATA MOV A, #'b' CALL LCD_WDATA MOV A, #'r' CALL LCD_WDATA MOV A, #'e' CALL LCD_WDATA MOV A, #'a' CALL LCD_WDATA MOV A, #'k' CALL LCD_WDATA MOV A, #'-' CALL LCD_WDATA MOV A, #'e' CALL LCD_WDATA MOV A, #'a' CALL LCD_WDATA MOV A, #'r' CALL LCD_WDATA MOV A, #'g' CALL LCD_WDATA MOV A, #'e' CALL LCD_WDATA AJMP START STOP: MOV P1,#66H ;停靠分支 LCALL Y100ms MOV P1,#00H LCALL Y100ms CALL LCD_INIT MOV A, #80H ;1602显示stop CALL LCD_WCMD MOV A, #01H CALL LCD_WDATA ACALL QLCD ;调清屏子程序 MOV A, #'s' CALL LCD_WDATA MOV A, #'t' CALL LCD_WDATA MOV A, #'o' CALL LCD_WDATA MOV A, #'p' CALL LCD_WDATA