毕业设计程序源代码.doc

南京工程学院毕业设计说明书（论文）P;*;以下8个字节存放8位数码管的段码LED_BIT_1EQU30HLED_BIT_2EQU31HLED_BIT_3EQU32HLED_BIT_4EQU33HLED_BIT_5EQU34HLED_BIT_6EQU35HLED_BIT_7EQU36HLED_BIT_8EQU37H;以下6个字节存放初始密码WORD_1EQU38HWORD_2EQU39HWORD_3EQU3AHWORD_4EQU3BHWORD_5EQU3CHWORD_6EQU3DH;以下6个字节存放用户输入的6位密码KEY_1EQU3EHKEY_2EQU3FHKEY_3EQU40HKEY_4EQU41HKEY_5EQU42HKEY_6EQU43H;*CNT_AEQU44HCNT_BEQU45HKEY_CNTEQU46H;已输出的密码位数LINEEQU47H;按键行号ROWEQU48H;按键列号VALEQU49H;键值CODE_COUNTEQU4AH;*;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ORG00HSJMPMAINORG0BHLJMPINT_T0MAIN: MOVCODE_COUNT,#0START:MOVCNT_A,#00H;程序初始化MOVCNT_B,#00HMOVKEY_CNT,#00HMOVLINE,#00HMOVROW,#00HMOVVAL,#00HSETBP1.0SETBP1.1MOVLED_BIT_1,#40H;段码存储区清0MOVLED_BIT_2,#40HMOVLED_BIT_3,#40HMOVLED_BIT_4,#40HMOVLED_BIT_5,#40HMOVLED_BIT_6,#40HMOVLED_BIT_7,#79HMOVLED_BIT_8,#73HMOVKEY_1,#00H;输入密码存储区清0MOVKEY_2,#00HMOVKEY_3,#00HMOVKEY_4,#00HMOVKEY_5,#00HMOVKEY_6,#00HMOVWORD_1,#6;设置初始密码为123456MOVWORD_2,#5MOVWORD_3,#4MOVWORD_4,#3MOVWORD_5,#2MOVWORD_6,#1MOVTMOD,#01HMOVTH0,#(65536-700)/256MOVTL0,#(65536-700)MOD 256MOVIE,#82HA0: LCALLDISP;*;以下为键盘扫描程序,计算键值并存入VALLSCAN:MOVP3,#0F0H;扫描行码L1:JNBP3.0,L2LCALLDLY_SJNBP3.0,L2MOVLINE,#00HLJMPRSCANL2:JNBP3.1,L3LCALLDLY_SJNBP3.1,L3MOVLINE,#01HLJMPRSCANL3:JNBP3.2,L4LCALLDLY_SJNBP3.2,L4MOVLINE,#02HLJMPRSCANL4:JNBP3.3,A0LCALLDLY_SJNBP3.3,A0MOVLINE,#03HRSCAN:MOVP3,#0FH;扫描列码C1:JNBP3.4,C2MOVROW,#00HLJMPCALCUC2:JNBP3.5,C3MOVROW,#01HLJMPCALCUC3:JNBP3.6,C1MOVROW,#02HCALCU:MOVA,LINE;计算键值MOVB,#03HMULABADDA,ROWMOVVAL,A;*;以下为按键处理程序,对不同的按键作出响应CJNEA,#0AH,J1;是否为CLR键MOVR1,KEY_CNTCJNER1,#00H,J2LCALLALARM_1LJMPSTART J2:LCALLSHIFTR DECKEY_CNTW00:LCALLDISP;等待按键抬起MOVA,P3CJNEA,#0FH,W01LJMPA0W01:MOVA,P3CJNEA,#0F0H,W02LJMPA0W02:SJMPW00J1:MOVA,VALCJNEA,#0BH,J3;判断是否为ENTER键MOVR1,KEY_CNTCJNER1,#06H,J4MOVA,WORD_1;比较密码CJNEA,3EH,J5MOVA,WORD_2CJNEA,3FH,J5MOVA,WORD_3CJNEA,40H,J5MOVA,WORD_4CJNEA,41H,J5MOVA,WORD_5CJNEA,42H,J5MOVA,WORD_6CJNEA,43H,J5CLRP1.0LCALLDLY_LLJMPFINIJ5: LCALLALARM_2INC CODE_COUNTMOV A,CODE_COUNTCJNE A,#3,ON DOWN:MOVLED_BIT_1,#80H;段码存储区显示“.“ MOVLED_BIT_2,#80HMOVLED_BIT_3,#80HMOVLED_BIT_4,#80HMOVLED_BIT_5,#80HMOVLED_BIT_6,#80HMOVLED_BIT_7,#80HMOVLED_BIT_8,#80H LCALLDISPCLR P1.1JB P1.6,DOWNLJMP MAIN ON: LJMP STARTJ4:LCALLALARM_1LJMPSTARTJ3:INCKEY_CNT;按下数字键MOVA,KEY_CNTCJNEA,#07H,K1LCALLALARM_1W10:LCALLDISP;等待按键抬起MOVA,P3CJNEA,#0FH,W11LJMPSTARTW11:MOVA,P3CJNEA,#0F0H,W12LJMPA0W12:SJMPW10K1:LCALLSHIFTLW20:LCALLDISP;等待按键抬起MOVA,P3CJNEA,#0FH,W21LJMPA0W21:MOVA,P3CJNEA,#0F0H,W22LJMPA0W22:SJMPW20ALARM_1:SETBTR0;操作错误报警CLR P1.1JBTR0,$SETB P1.1RETALARM_2:SETBTR0;密码错误报警CLR P1.1JBTR0,$LCALLDLY_LSETB P1.1RET;*;定时器中断服务程序,用于声音报警INT_T0:CPLP1.7MOVTH0,#(65536-700)/256MOVTL0,#(65536-700)MOD 256INCCNT_AMOVR1,CNT_ACJNER1,#30,RETUNEMOVCNT_A,#00HINCCNT_BMOVR1,CNT_BCJNER1,#20,RETUNEMOVCNT_A,#00HMOVCNT_B,#00HCLRTR0RETUNE:RETI;*;段码,输入密码左移子程序SHIFTL:MOVLED_BIT_6,LED_BIT_5MOVLED_BIT_5,LED_BIT_4MOVLED_BIT_4,LED_BIT_3MOVLED_BIT_3,LED_BIT_2MOVLED_BIT_2,LED_BIT_1MOVLED_BIT_1,#73HMOVKEY_6,KEY_5MOVKEY_5,KEY_4MOVKEY_4,KEY_3MOVKEY_3,KEY_2MOVKEY_2,KEY_1MOVKEY_1,VALRET;*;段码,输入密码右移子程序SHIFTR:MOVLED_BIT_1,LED_BIT_2 MOVLED_BIT_2,LED_BIT_3 MOVLED_BIT_3,LED_BIT_4 MOVLED_BIT_4,LED_BIT_5 MOVLED_BIT_5,LED_BIT_6 MOVLED_BIT_6,#00H MOVKEY_1,KEY_2 MOVKEY_2,KEY_3 MOVKEY_3,KEY_4 MOVKEY_4,KEY_5 MOVKEY_5,KEY_6 MOVKEY_6,#00H RET;*;以下为数码显示子程序DISP:CLR P2.7MOV P0,LED_BIT_8LCALLDLY_SSETBP2.7CLRP2.6MOV P0,LED_BIT_7LCALLDLY_SSETBP2.6CLRP2.5MOV P0,LED_BIT_6LCALLDLY_SSETBP2.5CLRP2.4MOV P0,LED_BIT_5LCALLDLY_SSETBP2.4CLRP2.3MOV P0,LED_BIT_4LCALLDLY_SSETBP2.3CLRP2.2MOV P0,LED_BIT_3LCALLDLY_SSETBP2.2CLRP2.1MOV P0,LED_BIT_2LCALLDLY_SSETB