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1、1.244instck segment stack 'stack' dw 32 dup(?)stck endscode segment begin proc farassume ss:stck,cs:code push ds sub ax,ax push ax MOV DX,0E060H IN AL,DX ；数据已经读入 MOV AH,0 MOV BH,64H DIV BH MOV BL,AH CMP AL,0 JZ LOP1 MOV DL,AL ADD dl,30H MOV AH,02H INT 21HLOP1: MOV AL,BL MOV AH,00H MOV BH,0AH

2、 DIV BH MOV BL,AH CMP AL,00H JZ LOP2 MOV DL,AL ADD DL,30H MOV AH,02H INT 21HLOP2: MOV DL,BL ADD DL,30H MOV AH,02H INT 21H retbegin endpcode endsend begin 2.244-273 in-outstck segment stack 'stack' dw 32 dup(?)stck ends code segmentbegin proc farassume ss:stck,cs:code push ds sub ax,ax push a

3、x AGAIN: MOV DX,0E060H IN AL,DX MOV BH,AL TEST AL,80H JZ JMP1 MOV BH,0 SUB BH,AL OR BH,80h JMP1: MOV AL,BH MOV DX,0E061H NOT AL OUT DX,AL MOV AH,0BH INT 21H CMP AL,0 JZ AGAIN retbegin endpcode ends end begin 3. ADC2stck segment stack 'stack' dw 32 dup(?)stck endsdata segmentdata endscode seg

4、mentbegin proc farassume ss:stck,ds:data,cs:code push ds sub ax,ax push ax mov ax,data mov ds,ax AGAIN: MOV DX,0E060H OUT DX,AL call delay MOV DX,0E060H IN AL,DX MOV BL,AL MOV CX,8LOP2: MOV BH,00H SHL BX,1 MOV DL,BH ADD DL,30H MOV AH,02H INT 21H DEC CX JNZ LOP2 MOV AH,02H ;MOV DL,0AH ;INT 21H MOV DL

5、,0DH INT 21H MOV AH,0BH INT 21H CMP AL,0 JZ AGAIN retbegin endpDELAY PROC PUSH CX PUSH BX MOV BX,0999HLOPX: LOOP LOPX DEC BX JNZ LOPX POP BX POP CX retdelay endpcode ends end begin 4. ADC10stck segment stack 'stack' dw 32 dup(?)stck endsdata segmentdata endscode segmentbegin proc farassume s

6、s:stck,ds:data,cs:code push ds sub ax,ax push ax mov ax,data mov ds,ax AGAIN: MOV DX,0E060H OUT DX,AL MOV BX,029FH ;DELAYLOP1: MOV CX,9FFFH LOOP $ DEC BX JNZ LOP1 MOV DX,0E060H IN AL,DX MOV AH,00H MOV BL,64H DIV BL MOV BH,AH CMP AL,0 JZ JMP1 MOV DL,AL ADD DL,30H MOV AH,02H INT 21HJMP1: MOV AL,BH MOV

7、 AH,00H MOV BL,0AH DIV BL MOV BH,AH CMP AL,0 JZ JMP2 MOV DL,AL ADD DL,30H MOV AH,02H INT 21HJMP2: MOV DL,BH ADD DL,30H MOV AH,02H INT 21H MOV AH,02H ;MOV DL,0AH ;INT 21H MOV DL,0DH INT 21H MOV AH,0BH INT 21H CMP AL,0 JZ AGAIN retbegin endpcode ends end begin ADC16stck segment stack 'stack' d

8、w 32 dup(?)stck endsdata segmentdata endscode segmentbegin proc farassume ss:stck,ds:data,cs:code push ds sub ax,ax push ax mov ax,data mov ds,ax AGAIN: MOV DX,0E060H OUT DX,AL MOV BX,009FH ;DELAYLOP1: MOV CX,9FFFH LOOP $ DEC BX JNZ LOP1 MOV DX,0E060H IN AL,DX MOV CX,2 MOV BL,ALLOP2: MOV BH,00H SHL

9、BX,4 MOV DL,BH ADD DL,30H CMP DL,39H JNA JMP1 ADD DL,07HJMP1: MOV AH,02H INT 21H DEC CX JNZ LOP2 MOV AH,02H MOV DL,0AH INT 21H MOV DL,0DH INT 21H MOV AH,0BH INT 21H CMP AL,0 JZ AGAIN retbegin endpcode ends end begin 8255，2进制stck segment stack 'stack' db 32 dup(?)stck endscode segmentbegin pr

10、oc farassume ss:stck,cs:code push ds sub ax,ax push ax MOV DX,0E063H MOV AL,89H OUT DX,AL MOV DX,0E062H IN AL,DX MOV BL,AL MOV CX,8 LOP1: MOV BH,00H SHL BX,1 MOV DL,BH ADD DL,30H MOV AH,02H INT 21H DEC CX JNZ LOP1 retbegin endpCODE ENDS END BEGIN8255-补码stck segment stack 'stack' db 32 dup(?)

11、stck endscode segmentbegin proc farassume ss:stck,cs:code push ds sub ax,ax push ax MOV DX,0e063H MOV AL,89H OUT DX,AL AGAIN: MOV DX,0e062H IN AL,DX TEST AL,80H JZ JMP1 MOV BH,0 SUB BH,AL MOV AL,BH OR AL,80HJMP1: MOV DX,0e061H NOT AL OUT DX,AL MOV AH,0BH INT 21H CMP AL,0 JZ AGAIN retbegin endpDELAY

12、PROC PUSH BX PUSH CX MOV BX,20LOP4: MOV CX,9FFFH LOOP $ DEC BX JNZ LOP4 POP CX POP BX retdelay endpcode ends end begin 8255-键盘stck segment stack 'stack' dw 32 dup(?)stck endsdata segment obuf db 'please input 2 number',0ah,0dh,'$'data endscode segment begin proc farassume ss:

13、stck,ds:data,cs:code push ds sub ax,ax push ax mov ax,data push ax MOV DX,offset OBUF MOV AH,09H INT 21H MOV DX,0E063H MOV AL,80H OUT DX,AL MOV AH,01H INT 21H MOV BH,AL INT 21H MOV BL,AL SUB BX,3030H CMP BH,09H JNA JMP1 SUB BH,07HJMP1: CMP BL,09H JNA JMP2 SUB BL,07HJMP2: SHL BH,4 ADD BL,BH MOV AL,BL

14、 MOV DX,0E061H OUT DX,AL ret begin endpcode ends end begin8255-1234stck segment stack 'stack'dw 32 dup(?)stck endsdata segmentxxx db 7fh,06h,7fh,06hdata ends code segmentbegin proc farassume ss:stck,cs:code,ds:data push ds sub ax,ax push ax mov ax,data mov ds,ax MOV AL,80H MOV DX,0E063H OUT

15、DX,AL MOV SI,OFFSET XXX AGAIN: MOV AL,0feH MOV DX,0E060H OUT DX,AL MOV AL,SI MOV DX,0E061H OUT DX,AL CALL DELAY MOV AL,0fdH MOV DX,0E060H OUT DX,AL MOV AL,SI+1 MOV DX,0E061H OUT DX,AL CALL DELAY MOV AL,0fbH MOV DX,0E060H OUT DX,AL MOV AL,SI+2 MOV DX,0E061H OUT DX,AL CALL DELAY MOV AL,0f7H MOV DX,0E0

16、60H OUT DX,AL MOV AL,SI+3 MOV DX,0E061H OUT DX,AL CALL DELAY MOV AH,0BH INT 21H CMP AL,0 JZ AGAIN retbegin endpDELAY PROC PUSH BX PUSH CX MOV BX,10LOP1: MOV CX,0fFFFH LOOP $ DEC BX JNZ LOP1 POP CX POP BX ret delay endpcode ends end begin 键盘值 mov ah,09h mov dx,offset prepare int 21h MOV AH,01H INT 21H MOV BH,AL INT 21H MOV BL,AL SUB bx,3030H cmp bh,09h jna jmp1 su

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