【正文】 DB ? 。顯示值高位值DWZ DB ? 。顯示值地位置order db ? stop db ? 。電機啟停標志BUF db ? count dw ? 。count變量存儲低脈沖寬度，其值越大電機轉(zhuǎn)的速度越慢direct db ? 。diret=ffh表示正轉(zhuǎn)，direct=0表示反轉(zhuǎn)PACS DB ? 。A口初始化值XDSJ DB ? 。洗滌結(jié)束時間PXSJ DB ? 。漂洗結(jié)束時間SET40 EQU 00110010B 。8254計數(shù)器0控制字，方式1SET41 EQU 01010100B 。8254計數(shù)器1控制字，方式2JSCZ0 EQU 470 。470定時1s，計數(shù)器0計數(shù)初值JSCZ1 EQU 100 。計數(shù)器1計數(shù)初值SET5 EQU 10001001B 。8255控制字，方式0YANSHI DD ? 。延時子程序設(shè)定值 KEY DB ? 。按鍵狀態(tài)K0 DB ? 。電源按鍵次數(shù)K1 DB ? 。啟停鍵按鍵次數(shù)K2 DB ? 。水位設(shè)置鍵按鍵次數(shù)K3 DB ? 。洗滌鍵按鍵次數(shù)NUM0 DB ? 。電源鍵2種狀態(tài)NUM1 DB ? 。啟停鍵2種狀態(tài) NUM2 DB ? 。水位設(shè)置鍵3種狀態(tài)NUM3 DB ? 。洗滌鍵1種狀態(tài)DY DB ? 。電源鍵當前狀態(tài)QT DB ? 。啟停鍵當前狀態(tài)SW DB ? 。水位設(shè)置鍵當前狀態(tài)XIDI DB ? 。清潔程序設(shè)置鍵當前狀態(tài)DATA ENDSCODE SEGMENT USE16 ASSUME CS:CODE, DS:DATA ORG 4000HBEG: JMP START。ADDDCCCBBBAAZZT DB 0EH,0CH,0DH,09H,0BH,03H,07H,06H 。正轉(zhuǎn)表。AABBBCCCDDDAAFZT DB 06H,07H,03H,0BH,09H,0DH,0CH,0EH 。反轉(zhuǎn)表TAB DB 0C0H,0F9H,0A4H,0B0H,99H,92H,82H,0F8H,80H,90H 。字型碼表START: MOV AX,DATA MOV DS,AX MOV DX,PORTB OR AL,00010000B OUT DX,AL CALL ZTCS 。狀態(tài)初始子程序S00: CALL C8255 。8255初始化子程序 CALL C8254 。8254初始化子程序S0: CALL JPSM 。鍵盤掃描子程序 CALL JPCL 。鍵盤處理子程序 CALL ZTSET 。狀態(tài)設(shè)置子程序 AND DY,01H CMP DY,0 。電源狀態(tài)判斷 JNE S1 。為開跳轉(zhuǎn)到S1 MOV DX,PORTA MOV AL,PACS OR AL,00000001B OUT DX,AL MOV DX,PORTC1 MOV EAX,0F0F0F0FH 。關(guān)LED OUT DX,EAX CALL ZTCS JMP S0 。跳回繼續(xù)等待電源啟動S1: MOV DX,PORTA MOV AL,PACS AND AL,11111110B 。電源指示燈亮 MOV PACS,AL OUT DX,AL MOV DX,PORTC1 MOV EAX,0F000A05H。開LED OUT DX,EAX S2: CMP QT,0 JNE S5 。開啟，跳轉(zhuǎn) CMP SW,0 。查看水位狀態(tài)是否為低 JNE S3 MOV XSDK,PORTA3 MOV XSZ,1 CALL XSCL CALL LEDXS 。第三片8255顯示01，表示低水位 CMP XIDI,0 。是否為標志洗滌，否跳轉(zhuǎn) JNE S41 MOV AL,PACS AND AL,11011111B OR AL,01000100B MOV PACS,AL MOV DX,PORTA OUT DX,AL 。標準洗滌小燈亮 MOV XSDK,PORTA2 MOV XSZ,30 CALL XSCL CALL LEDXS JMP S0 。跳回繼續(xù)掃描鍵盤S3: CMP SW,1 。查看水位狀態(tài)是否為中 JNE S4 MOV XSDK,PORTA3 MOV XSZ,2 CALL XSCL CALL LEDXS 。第三片8255顯示02，表示中水位 CMP XIDI,0 。是否為標志洗滌，否跳轉(zhuǎn) JNE S41 MOV AL,PACS AND AL,11011111B OR AL,01000000B MOV PACS,AL MOV DX,PORTA OUT DX,AL 。標準洗滌小燈亮 MOV XSDK,PORTA2 MOV XSZ,30 CALL XSCL CALL LEDXS JMP S0 S4: MOV XSDK,PORTA3 MOV XSZ,3 CALL XSCL CALL LEDXS 。第三片8255顯示03，表示高水位 CMP XIDI,0 。是否為標志洗滌，否跳轉(zhuǎn) JNE S41 MOV AL,PACS AND AL,11011111B OR AL,01000000B MOV PACS,AL MOV DX,PORTA OUT DX,AL 。標準洗滌小燈亮 MOV XSDK,PORTA2 MOV XSZ,30 CALL XSCL CALL LEDXS JMP S0S41: CMP XIDI,1 JNE S42 MOV AL,PACS AND AL,10111111B OR AL,00100100B MOV PACS,AL MOV DX,PORTA OUT DX,AL ?？焖偾鍧嵭袅? MOV XSDK,PORTA2 MOV XSZ,22 CALL XSCL CALL LEDXS JMP S0 S42: MOV AL,PACS AND AL,11111011B OR AL,01100000B MOV PACS,AL MOV DX,PORTA OUT DX,AL MOV XSDK,PORTA2 MOV XSZ,10 CALL XSCL CALL LEDXS JMP S0 S5: MOV AL,PACS AND AL,11111101B 。啟動指示燈開啟 MOV PACS,AL MOV DX,PORTA OUT DX,AL CMP XIDI,0 JNE S51 。是否設(shè)置為標準洗滌程序，否跳轉(zhuǎn) CALL BZXD 。標準洗滌子程序 JMP S53 S51: CMP XIDI,1 JNE S52 MOV XSDK,PORTA2 MOV XSZ,22 CALL XSCL CALL LEDXS 。剩余秒數(shù)顯示25 CALL KSXD 。快速洗滌子程序 JMP S53S52:MOV XSDK,PORTA2 MOV XSZ,10 CALL XSCL CALL LEDXS CALL SGXD JMP S53 S53: MOV DX,PORTB MOV AL,0 OUT DX,AL 。蜂鳴器響S8: CALL JPSM 。鍵盤掃描子程序 CALL JPCL CALL ZTSET CMP QT,0 。是否按下啟停鍵 JNE S8 。等待啟停鍵按下 MOV DX,PORTB OR AL,00010000B OUT DX,AL 。關(guān)蜂鳴器 MOV AL,PACS OR AL,00000010B MOV PACS,AL MOV DX,PORTA OUT DX,AL 。關(guān)啟停小燈 JMP S00 MEXIT: JMP MEXIT 。主程序結(jié)束 。8255初始化程序C8255 PROC NEAR PUSHA MOV DX,PORTK MOV AL,89H OUT DX,AL MOV DX,PORTK1 MOV EAX,89808080H 。寫控制字 OUT DX,EAX MOV DX,PORTA1 MO