毕业设计程序源代码

P;******************************************************* ;以下8个字节存放8位数码管的段码LED_BIT_1 EQU 30HLED_BIT_2 EQU 31HLED_BIT_3 EQU 32HLED_BIT_4 EQU 33HLED_BIT_5 EQU 34HLED_BIT_6 EQU 35HLED_BIT_7 EQU 36HLED_BIT_8 EQU 37H;以下6个字节存放初始密码WORD_1 EQU 38HWORD_2 EQU 39HWORD_3 EQU 3AHWORD_4 EQU 3BHWORD_5 EQU 3CHWORD_6 EQU 3DH;以下6个字节存放用户输入的6位密码KEY_1 EQU 3EHKEY_2 EQU 3FHKEY_3 EQU 40HKEY_4 EQU 41HKEY_5 EQU 42HKEY_6 EQU 43H;****************************************************** CNT_A EQU 44HCNT_B EQU 45HKEY_CNT EQU 46H ;已输出的密码位数LINE EQU 47H ;按键行号ROW EQU 48H ;按键列号VAL EQU 49H ;键值CODE_COUNT EQU 4AH;****************************************************** ;以下为初始化程序,包括数据存储空间初始化,设置初始密码ORG 00HSJMP MAINORG 0BHLJMP INT_T0MAIN: MOV CODE_COUNT,#0START: MOV CNT_A,#00H ;程序初始化MOV CNT_B,#00HMOV KEY_CNT,#00HMOV LINE,#00HMOV ROW,#00HMOV VAL,#00HSETB P1.0SETB P1.1MOV LED_BIT_1,#40H ;段码存储区清0MOV LED_BIT_2,#40HMOV LED_BIT_3,#40HMOV LED_BIT_4,#40HMOV LED_BIT_5,#40HMOV LED_BIT_6,#40HMOV LED_BIT_7,#79HMOV LED_BIT_8,#73HMOV KEY_1,#00H ;输入密码存储区清0MOV KEY_2,#00HMOV KEY_3,#00HMOV KEY_4,#00HMOV KEY_5,#00HMOV KEY_6,#00HMOV WORD_1,#6 ;设置初始密码为"123456"MOV WORD_2,#5MOV WORD_3,#4MOV WORD_4,#3MOV WORD_5,#2MOV WORD_6,#1MOV TMOD,#01HMOV TH0,#(65536-700)/256MOV TL0,#(65536-700)MOD 256MOV IE,#82HA0: LCALL DISP;*********************************************************** ;以下为键盘扫描程序,计算键值并存入VALLSCAN: MOV P3,#0F0H ;扫描行码L1: JNB P3.0,L2LCALL DLY_SJNB P3.0,L2MOV LINE,#00HLJMP RSCANL2: JNB P3.1,L3LCALL DLY_SJNB P3.1,L3MOV LINE,#01HLJMP RSCANL3: JNB P3.2,L4LCALL DLY_SJNB P3.2,L4MOV LINE,#02HLJMP RSCANL4: JNB P3.3,A0LCALL DLY_SJNB P3.3,A0MOV LINE,#03HRSCAN: MOV P3,#0FH ;扫描列码C1: JNB P3.4,C2MOV ROW,#00HLJMP CALCUC2: JNB P3.5,C3MOV ROW,#01HLJMP CALCUC3: JNB P3.6,C1MOV ROW,#02HCALCU: MOV A,LINE ;计算键值MOV B,#03HMUL ABADD A,ROWMOV VAL,A;************************************************** ;以下为按键处理程序,对不同的按键作出响应CJNE A,#0AH,J1 ;是否为"CLR"键MOV R1,KEY_CNTCJNE R1,#00H,J2LCALL ALARM_1LJMP STARTJ2: LCALL SHIFTRDEC KEY_CNTW00:LCALL DISP ;等待按键抬起MOV A,P3CJNE A,#0FH,W01LJMP A0W01:MOV A,P3CJNE A,#0F0H,W02LJMP A0W02:SJMP W00J1: MOV A,VALCJNE A,#0BH,J3 ;判断是否为"ENTER"键MOV R1,KEY_CNTCJNE R1,#06H,J4MOV A,WORD_1 ;比较密码CJNE A,3EH,J5MOV A,WORD_2CJNE A,3FH,J5MOV A,WORD_3CJNE A,40H,J5MOV A,WORD_4CJNE A,41H,J5MOV A,WORD_5CJNE A,42H,J5MOV A,WORD_6CJNE A,43H,J5CLR P1.0LCALL DLY_LLJMP FINIJ5: LCALL ALARM_2INC CODE_COUNTMOV A,CODE_COUNTCJNE A,#3,ONDOWN:MOV LED_BIT_1,#80H ;段码存储区显示“.“MOV LED_BIT_2,#80HMOV LED_BIT_3,#80HMOV LED_BIT_4,#80HMOV LED_BIT_5,#80HMOV LED_BIT_6,#80HMOV LED_BIT_7,#80HMOV LED_BIT_8,#80HLCALL DISPCLR P1.1JB P1.6,DOWNLJMP MAINON: LJMP STARTJ4: LCALL ALARM_1LJMP STARTJ3: INC KEY_CNT ;按下数字键MOV A,KEY_CNTCJNE A,#07H,K1LCALL ALARM_1W10:LCALL DISP ;等待按键抬起MOV A,P3CJNE A,#0FH,W11LJMP STARTW11:MOV A,P3CJNE A,#0F0H,W12LJMP A0W12:SJMP W10K1: LCALL SHIFTLW20:LCALL DISP ;等待按键抬起MOV A,P3CJNE A,#0FH,W21LJMP A0W21:MOV A,P3CJNE A,#0F0H,W22LJMP A0W22:SJMP W20ALARM_1:SETB TR0 ;操作错误报警CLR P1.1JB TR0,$SETB P1.1RETALARM_2:SETB TR0 ;密码错误报警CLR P1.1JB TR0,$LCALL DLY_LSETB P1.1RET;************************************************** ;定时器中断服务程序,用于声音报警INT_T0:CPL P1.7MOV TH0,#(65536-700)/256MOV TL0,#(65536-700)MOD 256INC CNT_AMOV R1,CNT_ACJNE R1,#30,RETUNEMOV CNT_A,#00HINC CNT_BMOV R1,CNT_BCJNE R1,#20,RETUNEMOV CNT_A,#00HMOV CNT_B,#00HCLR TR0RETUNE: RETI;************************************************** ;段码,输入密码左移子程序SHIFTL: MOV LED_BIT_6,LED_BIT_5MOV LED_BIT_5,LED_BIT_4MOV LED_BIT_4,LED_BIT_3MOV LED_BIT_3,LED_BIT_2MOV LED_BIT_2,LED_BIT_1MOV LED_BIT_1,#73HMOV KEY_6,KEY_5MOV KEY_5,KEY_4MOV KEY_4,KEY_3MOV KEY_3,KEY_2MOV KEY_2,KEY_1MOV KEY_1,VALRET;************************************************** ;段码,输入密码右移子程序SHIFTR: MOV LED_BIT_1,LED_BIT_2MOV LED_BIT_2,LED_BIT_3MOV LED_BIT_3,LED_BIT_4MOV LED_BIT_4,LED_BIT_5MOV LED_BIT_5,LED_BIT_6MOV LED_BIT_6,#00HMOV KEY_1,KEY_2MOV KEY_2,KEY_3MOV KEY_3,KEY_4MOV KEY_4,KEY_5MOV KEY_5,KEY_6MOV KEY_6,#00HRET;************************************************** ;以下为数码显示子程序DISP: CLR P2.7MOV P0,LED_BIT_8LCALL DLY_SSETB P2.7CLR P2.6MOV P0,LED_BIT_7LCALL DLY_SSETB P2.6CLR P2.5MOV P0,LED_BIT_6LCALL DLY_SSETB P2.5CLR P2.4MOV P0,LED_BIT_5LCALL DLY_SSETB P2.4CLR P2.3MOV P0,LED_BIT_4LCALL DLY_SSETB P2.3CLR P2.2MOV P0,LED_BIT_3LCALL DLY_SSETB P2.2CLR P2.1MOV P0,LED_BIT_2LCALL DLY_SSETB P2.1CLR P2.0MOV P0,LED_BIT_1LCALL DLY_SSETB P2.0RET;********************************************** DLY_S: MOV R6,#10D1: MOV R7,#250DJNZ R7,$DJNZ R6,D1RETDLY_L: MOV R5,#100D2: MOV R6,#100D3: MOV R7,#248DJNZ R7,$DJNZ R6,D3DJNZ R5,D2RET南京工程学院毕业设计说明书（论文）FINI: NOPEND第11页。