微机原理实验带答案.doc

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1、#make_COM#; COM file is loaded at CS:0100hORG 100h; arrayJMP STARTARRAY DB 80H，03H，5AH，0FFH，97H,64H，0BBH，7FH，0FH，0D8HCHANGE: MOV AL,ARRAYBX INC BX DEC CX JMP COMPASTART: MOV BX,0 MOV AL,ARRAYBX MOV CX,5COMPA: CMP AL,ARRAYBX JL CHANGE INC BX LOOP COMPAE1: MOV BL,AL MOV CX,2 AND AL,0F0H SHR AL,4 DEC C

2、X CMP AL,9 JLE SHU JA ZIE2: MOV AL,BL AND AL,0FH DEC CX CMP AL,9 JLE SHU JA ZI CMP AL,9 DEC CX JLE SHU JA ZISHU: ADD AL,30H JMP PRINT ZI: ADD AL,37H JMP PRINTPRINT: MOV DL,AL MOV AH,2 INT 21H JCXZ E3 JMP E2E3: MOV DL,H MOV AH,2 INT 21H MOV AH,4CH INT 21H END START#make_COM#; COM file is loaded at CS

3、:0100hORG 100hJMP STARTSTRING DB 500H的BCD码是: $NUM1 EQU 500HSTART: MOV AX,NUM1 MOV CX,1000 DIV CX XCHG AX,DX SHL DX,4 MOV CL,100 DIV CL ADD DL,AL SHL DX,4 SHR AX,8 MOV CL,10 DIV CL ADD DL,AL SHL DX,4 ADD DL,AH LEA DX,STRING MOV AH,9 INT 21H MOV AH,4CH INT 21H END START #make_COM#; COM file is loaded

4、at CS:0100hORG 100hJMP STARTSTRING DB THE ASCII OF BCD 7693 IS: ,$NUM DB 4 DUP(?)START: LEA DX,STRING MOV AH,9 INT 21H MOV AX,7693 MOV CX,10 MOV BX,0ACT: MOV DX,0 DIV CX PUSH AX MOV NUMBX,DL CMP NUMBX,9 JBE A1 ADD NUMBX,37HCHA: INC BX CMP BX,4 JAE ACT2 JMP ACT A1: ADD NUMBX,30H JMP CHAACT2: MOV BX,3

5、A2: MOV CL,16 MOV AL,NUMBX MOV AH,0 DIV CL DEC BX CMP BX,0FFFEH JE EXIT JMP SHOW SHOW: PUSH AX ADD AL,30H MOV DL,AL MOV AH,2 INT 21H POP AX ADD AH,30H MOV DL,AH MOV AH,2 INT 21H MOV DL,H INT 21H MOV DL, INT 21H JMP A2EXIT: MOV AH,4CH INT 21H END START #make_COM#; COM file is loaded at CS:0100hORG 10

6、0hJMP STARTTR1 DB 100 DUP(?)TR2 DB 100 DUP(?)START: MOV BX,0 MOV CX,100F1: MOV TR1BX,88H INC BX LOOP F1TRA: LEA SI,TR1 LEA DI,TR2 MOV CX,100 MOV BX,0F2: LODSB STOSB INC BX MOV AX,BX MOV CL,16 DIV CL PUSH AX ADD AL,30H MOV DL,AL MOV AH,2 INT 21H POP AX CMP AH,9 JBE LI JA BIHH: MOV DX,H MOV AH,2 INT 2

7、1H LOOP F2LI: ADD AH,30H MOV DL,AH MOV AH,2 INT 21H JMP HHBI: ADD AH,37H MOV DL,AH MOV AH,2 INT 21H JMP HHEND START #make_COM#; COM file is loaded at CS:0100hORG 100h#make_COM#; COM file is loaded at CS:0100hORG 100hJMP STARTSTRING1 DB Please enter a lowercase letters(az)： $STRING2 DB After conversi

8、on to uppercase is $STRING3 DB wrong！ $START: LEA AX,STRING1 MOV DX,AX MOV AH,9 INT 21H MOV AH,1 INT 21H CMP AL,a JB WRONG CMP AL,z JA WRONG PUSH AX LEA AX,STRING2 MOV DX,AX MOV AH,9 INT 21H POP AX SUB AL,20H MOV DL,AL MOV AH,2 INT 21H HLTWRONG: LEA AX,STRING3 MOV DX,AX MOV AH,9 INT 21H HLTEND START

9、 #make_COM#make_COM#; COM file is loaded at CS:0100hORG 100hJMP STARTNUM DW 4 DUP(?)STRING1 DB PLEASE INPUT $START: LEA DX,STRING1 MOV AH,9 INT 21H MOV BX,0 MOV DX,0START1: MOV BP,4 MOV DX,0CONT: MOV CL,4 SHL DX,CLD1: MOV AH,1 INT 21H CMP AL,0 JB D1 CMP AL,F JA D1 CMP AL,A JB A1 SUB AL,7 A1: SUB AL,

10、30H MOV AH,0 ADD DX,AX DEC BP JNZ CONT MOV NUMBX,DX ADD BX,2 CMP BX,4 JE XIA2: CMP BX,6 JBE START1 MOV DL,H MOV AH,2 INT 21H MOV DL,= INT 21HAD: MOV BX,2 MOV AX,NUMBX ADD BX,4 ADD AX,NUMBX MOV NUMBX,AX MOV BX,0 MOV AX,NUMBX ADD BX,4 ADC AX,NUMBX MOV NUMBX,AX MOV CX,4 MOV AX,NUMBX MOV BX,000FH MOV SI

11、,2 MOV CL,4 JMP SHOWTWO: MOV BX,6 MOV AX,NUMBX MOV CL,4 JMP SHOW XI:MOV DL,H MOV AH,2 INT 21H MOV DL,+ INT 21H JMP A2SHOW: ROL AX,4 MOV DX,AX AND DX,000FH CMP DX,9 JBE LL JA BBSH: PUSH AX MOV DL,DL MOV AH,2 INT 21H POP AX LOOP SHOW DEC SI JNZ TWO MOV DL,H MOV AH,2 INT 21H MOV AH,4CH INT 21HLL: ADD DL,30H JMP SHBB: ADD DL,37H JMP SH END START