《微型計算機(jī)原理及其應(yīng)用》課程設(shè)計.doc

課 程 設(shè) 計 課程名稱 微機(jī)課程設(shè)計 題目名稱_ 計算器 學(xué)生學(xué)院_ _ 自動化_專業(yè)班級_ 13自動化（）班_ 學(xué) 號 學(xué)生姓名_ _ _指導(dǎo)教師_ _ _2015 年 12月30日實驗任務(wù).一.目的1 鞏固和加深對微機(jī)原理及應(yīng)用課程內(nèi)容的認(rèn)識和理解，提高應(yīng)用水平；2 掌握匯編語言程序的編程方法；3 熟悉鍵盤控制和七段數(shù)碼管的使用。二.設(shè)計要求課程設(shè)計內(nèi)容上機(jī)編程：1 在顯示器上顯示任意六位十六進(jìn)制數(shù)；2 將8個鍵按實驗室要求定義鍵值，按任意鍵在顯示器上顯示對應(yīng)鍵值，要求顯示值能左移；3 實現(xiàn)：a) 定義鍵盤按鍵，12個為數(shù)字鍵1E，4個功能鍵：加號，除號，等號，CLEAR 清零鍵；b) 可進(jìn)行四位10進(jìn)制加法運算；c) 可進(jìn)行四位16進(jìn)制除法運算。4 電路框圖5.課程設(shè)計報告目錄1.程序一41.1問題：41.2代碼：42.程序二42.1問題:52.2代碼：53.程序一93.1問題：93.2代碼：9二、系統(tǒng)設(shè)計說明21三、程序流程設(shè)計圖21四、個人總結(jié)22附錄：231.程序一1.1問題：在顯示器上顯示以下六位十六進(jìn)制數(shù)：1 D 3 B 5 C1.2代碼：STACK SEGMENT STACK DW 64 DUP(?)STACK ENDSDATA SEGMENTTABLEDB3FH,06H,5BH,4FH,66H,6DH,7DH,07H,7FH,6FH,77H,7CH,39H,5EH,79H,71H ;TABLE DB 0FCH,60H,0DAH,0F2H,66H,0B6H,0BEH,0E0H; DB 0FEH,0E6H,0EEH,2EH,9CH,7AH,9EH,8EH ;設(shè)置0F數(shù)碼管段碼VA1 DB 01H,0DH,03H,0BH,05H,0CH DATA ENDSCODE SEGMENTASSUME CS:CODE,DS:DATASTART: MOV AX,DATA ;8255初始化 MOV DS,AX MOV DX,0606H ;信號線設(shè)為IOY0 MOV AL,90H ;端口A、B為輸出 OUT DX,AL ;DX為控制端口地址A1: LEA SI,VA1 MOV CX,0006H MOV AL,0FBH ;11111011A2: MOV DX,0604H OUT DX,AL ;B口上拉？ PUSH AX ;利用AX移位 MOV BX,OFFSET TABLE MOV AL,SI XLAT ; 把以DS:BX+AL為地址的待查表格的一個字節(jié)內(nèi)容送到AL累加器中。 ;在執(zhí)行該指令前，將數(shù)據(jù)表偏移址送BX中，將待查字節(jié)在數(shù)據(jù)表的偏移指針?biāo)虯L MOV DX,0602H OUT DX,AL ;查表代碼送C口顯示 INC SI ;SI+1 CALL DALLY POP AX ROL AL,1 LOOP A2 JMP A1DALLY: PUSH CX ;延時MOV CX,0002HA3: MOV AX,00FFHA4: DEC AX JNZ A4 LOOP A3 POP CX RETCODE ENDSEND START2.程序二2.1問題:將8個鍵按實驗室要求定義鍵值，按任意鍵在顯示器上顯示對應(yīng)鍵值，要求顯示值能左移；D62E5F102.2代碼：STACK SEGMENT STACKDW 32 DUP(?)STACK ENDSDATA SEGMENTVA1DB7FH,0BFH,0DFH,0EFH,0F7H,0FBH;VA1DB0FBH,0F7H,0EFH,0DFH,0BFH,7FH;VA1 DB 0DFH,0EFH,0F7H,0FBH,0FDH,0FEHVA2 DB 00H,00H,00H,00H,00H,00HTABLE DB 3FH,06H,5BH,4FH,66H,6DH,7DH,07H,7FH,6FH,77H,7CH,39H,5EH,79H,71HDATA ENDSCODE SEGMENTASSUME CS:CODE,DS:DATASTART: MOV AX,DATA MOV DS,AX MOV AL,90H MOV DX,0606H OUT DX,AL MOV BX,0000H STT: MOV AL,00H MOV DX,0604H OUT DX,AL MOV DX,0600H IN AL,DX AND AL,0CH CMP AL,0CH; AND AL,0C6H; CMP AL,0C6H JNZ KEYXD CALL DISP JMP STT KEYXD:CALL TIME MOV DX,0600H IN AL,DX AND AL,0CH CMP AL,0CH; AND AL,0C6H; CMP AL,0C6H JNZ KEY_JIAN JMP STT KEY_JIAN:MOV DX,0604H MOV AL,0FBH OUT DX,AL MOV DX,0600H IN AL,DX TEST AL,04H JNZ KEY_D CALL KEY5 JMP STTK KEY_D: TEST AL,08H JNZ KEY_F CALL KEYD JMP STTK KEY_F: MOV DX,0604H MOV AL,0F7H OUT DX,AL MOV DX,0600H IN AL,DX TEST AL,04H JNZ KEY_6 CALL KEYF JMP STTK KEY_6: TEST AL,08H JNZ KEY_1 CALL KEY6 JMP STTK KEY_1: MOV DX,0604H MOV AL,0EFH OUT DX,AL MOV DX,0600H IN AL,DX TEST AL,04H JNZ KEY_2 CALL KEY1 JMP STTKKEY_2: TEST AL,08H JNZ KEY_0 CALL KEY2 JMP STTKKEY_0: MOV DX,0604H MOV AL,0DFH OUT DX,AL MOV DX,0600H IN AL,DX TEST AL,04H JNZ KEY_E CALL KEY0 JMP STTKKEY_E: TEST AL,08H JNZ ABC CALL KEYE ABC: JMP STTK;-KEY0: CALL LP1 MOV AL,3FH;- MOV DI+5,AL CALL DISP RET KEY1: CALL LP1 MOV AL,06H;- MOV DI+5,AL CALL DISP RET KEY2: CALL LP1 MOV AL,5BH;- MOV DI+5,AL CALL DISP RET KEY5: CALL LP1 MOV AL,6DH;- MOV DI+5,AL CALL DISP RETKEY6: CALL LP1 MOV AL,7DH;- MOV DI+5,AL CALL DISP RET KEYD: CALL LP1MOVAL,5EH; ;MOV AL,0DH;- MOV DI+5,AL CALL DISP RET KEYE: CALL LP1 MOV AL,79H;- MOV DI+5,AL CALL DISP RET KEYF: CALL LP1 MOV AL,71H;- MOV DI+5,AL CALL DISP RET ;- ;-LP1: MOV DI,OFFSET VA2 MOV CX,0005H LP2: MOV AL,DI+4 MOV DI+5,AL DEC SI DEC DI LOOP LP2 RETDISP: MOV SI,OFFSET VA1 MOV DI,OFFSET VA2 MOV BX,OFFSET TABLE MOV DL,DI+5 CMP DL,3FH JNZ DIR5 MOV DL,DI+4 CMP DL,3FH JNZ DIR4 MOV DL,DI+3 CMP DL,3FH JNZ DIR3 MOV DL,DI+2 CMP DL,3FH JNZ DIR2 MOV DL,DI+1 CMP DL,3FH JNZ DIR1 JMP DIR0DIR5: MOV CX,0006H JMP DIRDIR4: MOV CX,0005H JMP DIR DIR3: MOV CX,0004H JMP DIR DIR2: MOV CX,0003H JMP DIRDIR1: MOV CX,0002H JMP DIR DIR0: MOV CX,0001HDIR : MOV DX,0604H MOV AL,SI OUT DX,AL MOV DX,0602H MOV AL,DI OUT DX,AL CALL TIME INC SI INC DI LOOP DIR RETTIME : PUSH AX PUSH CX MOV CX,0005HTIME1: MOV AX,00F0HTIME2: DEC AX JNZ TIME2 LOOP TIME1 POP CX POP AX RET;-STTK: CALL DISP MOV AL,00H MOV DX,0604H OUT DX,AL MOV DX,0600H IN AL,DX AND AL,0CH CMP AL,0CH JNZ STTK JMP STT CODE ENDS END START 3.程序一3.1問題：實現(xiàn)：a) 定義鍵盤按鍵，12個為數(shù)字鍵1E，4個功能鍵：加號，除號，等號，CLEAR 清零鍵；b) 可進(jìn)行四位10進(jìn)制加法運算；c) 可進(jìn)行四位16進(jìn)制除法運算。3.2代碼：STACK SEGMENT STACKDW 32 DUP(?)STACK ENDSDATA SEGMENTVA2 DB 0FCH,0FCH,0FCH,0FCH,0FCH,0FCH;檢測非0VA1 DB 7FH,0BFH,0DFH,0EFH,0F7H,0FBH;位選VA3 DB 00H,00H,00H,00H,00H,00HVA4 DB 00H,00H,00H,00H,00H,00HTABLE DB 3FH,06H,5BH,4FH,66H,6DH,7DH,07H,7FH,6FH,77H,7CH,39H,5EH,79H,71H;0-F的顯示段選DATA ENDSCODE SEGMENTASSUME CS:CODE,DS:DATASTART: MOV AX,DATA MOV DS,AX MOV AL,90H MOV DX,0606H OUT DX,AL MOV BX,0000H;初始化8255 CALL CLEAR STT: MOV AL,00H MOV DX,0604H OUT DX,AL MOV DX,0600H IN AL,DX AND AL,0FH;檢測是否按鍵按下 CMP AL,0FH JNZ KEYXD CALL DISP JMP STT KEYXD:CALL TIME;消除抖動 MOV DX,0600H IN AL,DX AND AL,0FH CMP AL,0FH JNZ KEY_JIAN JMP STT KEY_JIAN:MOV DX,0604H;確認(rèn)有按鍵按下 MOV AL,0FBH;輸入X1為0 OUT DX,AL MOV DX,0600H IN AL,DX TEST AL,01H;檢測Y4高低 JNZ KEY_2;高的話跳 CALL KEY3;低直接確定是KEY3 JMP STTK KEY_2: TEST AL,02H;檢測Y3 JNZ KEY_1 CALL KEY2 JMP STTKKEY_1: TEST AL,04H;檢測Y2 JNZ KEY_CLEAR CALL KEY1 JMP STTKKEY_CLEAR: TEST AL,08H;檢測Y1 JNZ KEY_7 CALL KEYCLEAR JMP STTK KEY_7: MOV DX,0604H MOV AL,0F7H;輸入X2為0 OUT DX,AL MOV DX,0600H IN AL,DX TEST AL,01H JNZ KEY_6 CALL KEY7 JMP STTK KEY_6: TEST AL,02H JNZ KEY_5 CALL KEY6 JMP STTK KEY_5: TEST AL,04H JNZ KEY_4 CALL KEY5 JMP STTK KEY_4: TEST AL,08H JNZ KEY_D CALL KEY4 JMP STTK KEY_D: MOV DX,0604H MOV AL,0EFH;輸入X3為0 OUT DX,AL MOV DX,0600H IN AL,DX TEST AL,01H JNZ KEY_B CALL KEYD JMP STTKKEY_B: TEST AL,02H JNZ KEY_9 CALL KEYB JMP STTK KEY_9: TEST AL,04H JNZ KEY_8 CALL KEY9 JMP STTKKEY_8: TEST AL,08H JNZ KEY_E CALL KEY8 JMP STTKKEY_E: MOV DX,0604H MOV AL,0DFH;輸入X4為0 OUT DX,AL MOV DX,0600H IN AL,DX TEST AL,01H JNZ KEY_DIV CALL KEYE JMP STTK KEY_DIV: TEST AL,02H JNZ KEY_DENG CALL KEYDIV JMP STTKKEY_DENG: TEST AL,04H JNZ KEY_ADD CALL KEYDENG JMP STTKKEY_ADD: TEST AL,08H JNZ ABC CALL KEYADD ABC: JMP STTK;- KEY1: CMP BH,00H JZ KEY1_1 CALL CLEAR KEY1_1:CALL LP1 MOV AL,06H;段選 MOV SI+5,AL MOV AL,01H;位選- MOV DI+5,AL CALL DISP RET KEY2: CMP BH,00H JZ KEY2_1 CALL CLEAR KEY2_1:CALL LP1 MOV AL,5BH;- MOV SI+5,AL MOV AL,02H;- MOV DI+5,AL CALL DISP RET KEY3: CMP BH,00H JZ KEY3_1 CALL CLEAR KEY3_1:CALL LP1 MOV AL,4FH;- MOV SI+5,AL MOV AL,03H;- MOV DI+5,AL CALL DISP RET KEY4: CMP BH,00H JZ KEY4_1 CALL CLEAR KEY4_1:CALL LP1 MOV AL,66H;- MOV SI+5,AL MOV AL,04H;- MOV DI+5,AL CALL DISP RET KEY5: CMP BH,00H JZ KEY5_1 CALL CLEAR KEY5_1:CALL LP1 MOV AL,6DH;- MOV SI+5,AL MOV AL,05H MOV DI+5,AL CALL DISP RET KEY6: CMP BH,00H JZ KEY6_1 CALL CLEAR KEY6_1:CALL LP1 MOV AL,7DH;- MOV SI+5,AL MOV AL,06H MOV DI+5,AL CALL DISP RET KEY7: CMP BH,00H JZ KEY7_1 CALL CLEAR KEY7_1:CALL LP1 MOV AL,07H;- MOV SI+5,AL MOV AL,07H MOV DI+5,AL CALL DISP RET KEY8: CMP BH,00H JZ KEY8_1 CALL CLEAR KEY8_1:CALL LP1 MOV AL,7FH;- MOV SI+5,AL MOV AL,08H MOV DI+5,AL CALL DISP RET KEY9: CMP BH,00H JZ KEY9_1 CALL CLEAR KEY9_1:CALL LP1 MOV AL,6FH;- MOV SI+5,AL MOV AL,09H MOV DI+5,AL CALL DISP RET KEYB: CMP BH,00H JZ KEYB_1 CALL CLEAR KEYB_1:CALL LP1 MOV AL,7CH;- MOV SI+5,AL MOV AL,0BH MOV DI+5,AL CALL DISP RET KEYD: CMP BH,00H JZ KEYD_1 CALL CLEAR KEYD_1:CALL LP1 MOV AL,5EH;- MOV SI+5,AL MOV AL,0DH MOV DI+5,AL CALL DISP RET KEYE: CMP BH,00H ;按鍵等號 JZ KEYE_1 CALL CLEAR KEYE_1:CALL LP1 MOV AL,79H;- MOV SI+5,AL MOV AL,0EH MOV DI+5,AL CALL DISP RET KEYADD:CMP BH,00H;+號按鍵 JNZ KEYADD_1 CALL LP3KEYADD_1:MOV BX,0102H;標(biāo)志BX0102H代表加法 RETKEYDIV:CMP BH,00H;/號按鍵 JNZ KEYDIV_1 CALL LP3KEYDIV_1:MOV BX,0103H;標(biāo)志BX為0103H代表除法 RET KEYDENG:MOV BH,01H;等號功能 CMP BL,02H JZ K1 CMP BL,03H JZ K2 STTE: RETK1: CALL ADD1 JMP STTEK2: CALL DIV1 JMP STTE;- ADD1: MOV AX,0000H;加法功能子函數(shù) LEA SI,VA3 LEA DI,VA4 MOV CX,0006H CLC ADD1_1: MOV AL,DI ADC AL,SI AAA MOV DI,AL INC SI INC DI LOOP ADD1_1 CALL CHANGE CALL DISP RET ;-DIV1:;除法功能子函數(shù) PUSH AX;除法子程序 PUSH BX PUSH DX MOV SI,OFFSET VA3 MOV DI,OFFSET VA4 MOV AH,00H MOV CL,4;被除數(shù) MOV AL,DI+3 ROL AX,CL ADD AL,DI+2 ROL AX,CL ADD AL,DI+1 ROL AX,CL ADD AL,DI MOV BH,00H;除數(shù) MOV BL,SI+3 ROL BX,CL ADD BL,SI+2 ROL BX,CL ADD BL,SI+1 ROL BX,CL ADD BL,SI MOV DX,0000H DIV BX MOV BX,AX;處理商 AND BX,000FH MOV DI,BL MOV BX,AX MOV CL,4H SHR BX,CL AND BX,000FH MOV DI+1,BL MOV BX,AX MOV CL,8H SHR BX,CL AND BX,000FH MOV DI+2,BL MOV BX,AX MOV CL,0CH SHR BX,CL AND BX,0007H MOV DI+3,BL CALL CHANGE CALL DISP POP DX POP BX POP AX RET;- KEYCLEAR:;clear鍵功能子函數(shù) CALL CLEAR RETCLEAR: LEA SI,VA2 LEA DI,VA3 MOV CX,0006HCLEAR1:MOV AL,3FH;修改整個數(shù)組為0 MOV SI,AL MOV AL,00H MOV DI,AL INC SI INC DI LOOP CLEAR1 MOV BH,00H RET ;-LP1: ;SIDI前一位賦值給后一位從而插入新數(shù)據(jù)不會覆蓋前面的數(shù)據(jù) MOV SI,OFFSET VA2 MOV DI,OFFSET VA3 MOV CX,0005H LP2: MOV AL,SI+4 MOV SI+5,AL MOV AL,DI+4 MOV DI+5,AL DEC SI DEC DI LOOP LP2 RET LP3: MOV CX,0006H MOV SI,OFFSET VA3 MOV DI,OFFSET VA4 LP4: MOV AL,SI MOV DI,AL INC SI INC DI LOOP LP4 RET CHANGE:;把表里十六進(jìn)制的值轉(zhuǎn)化為數(shù)碼管顯示的對應(yīng)的16進(jìn)制 MOV SI,OFFSET VA2 MOV DI,OFFSET VA4 MOV BX,OFFSET TABLE MOV CX,0006HCOMP0: MOV AL,DI XLAT MOV SI,AL INC SI INC DI LOOP COMP0 RETDISP: MOV SI,OFFSET VA1;顯示DISPLAY子函數(shù) MOV DI,OFFSET VA2 MOV DL,DI+5 CMP DL,3FH JNZ DIR5 MOV DL,DI+4 CMP DL,3FH JNZ DIR4 MOV DL,DI+3 CMP DL,3FH JNZ DIR3 MOV DL,DI+2 CMP DL,3FH JNZ DIR2 MOV DL,DI+1 CMP DL,3FH JNZ DIR1 JMP DIR0DIR5: MOV CX,0006H JMP DIRDIR4: MOV CX,0005H JMP DIR DIR3: MOV CX,0004H JMP DIR DIR2: MOV CX,0003H JMP DIRDIR1: MOV CX,0002H JMP DIR DIR0: MOV CX,0001HDIR : MOV DX,0604H MOV AL,SI OUT DX,AL MOV DX,0602H MOV AL,DI OUT DX,AL CALL TIME INC SI INC DI LOOP DIR RETTIME : PUSH AX;延時子函數(shù) PUSH