bai tap ki thuat vi xu li( demo)

Mình mới giải được một số bài Post cho mọi người cùng tham khảo nhé.
Bài 1:
.model small
.stack 100h
.Data
Msg1 db 'Nhap vao mot ki tu la so:$'
Msg2 db 'Ki tu vua nhap khong phai la so, moi ban nhap lai:$'
Msg3 db 'So ban vua nhap la:$'
.Code
Main Proc
Mov ax,@Data
Mov ds,ax
Mov ah,9
Lea dx,Msg1
int 21h
Mov ah,1
Int 21h
jmp tiep
Nhaplai:
Mov ah,2
Mov dl,0DH
int 21h
Mov dl,0AH
int 21h
Mov ah,9
Lea dx,Msg2
int 21h
Mov ah,1
Int 21h
tiep:
cmp al,'0'
jl Nhaplai
cmp al,'9'
Jg Nhaplai
Mov bl,al
Mov ah,2
Mov dl,0DH
int 21h
Mov dl,0AH
int 21h
Mov ah,9
Lea dx,Msg3
Int 21h
Mov ah,2
Mov dl,bl
Int 21h

Mov ah,4ch
Int 21h
Main Endp
End Main


Bài 2:
.model small
.stack 100h
.Data
s db 'Nhap vao mot ki tu la so:$'
s1 db 'Ki tu vua nhap khong phai la so, moi ban nhap lai:$'
s2 db 'So ban vua nhap la:$'
s3 db 'Nhap vao mot chu in thuong:$'
s4 db 'Nhap sai, xin nhap lai:$'
s5 db 'Chu ban vua nhap:$'

.Code
Main Proc
Mov ax,@Data
Mov ds,ax
Mov ah,9
Lea dx,s
int 21h
Mov ah,1
Int 21h
jmp tiep

Nhapso:
Mov ah,2
Mov dl,0DH
int 21h
Mov dl,0AH
int 21h
Mov ah,9
Lea dx,s1
int 21h
Mov ah,1
Int 21h
tiep:
cmp al,'0'
jb Nhapso
cmp al,'9'
Ja Nhapso
Mov bl,al
Mov ah,2
Mov dl,0DH
int 21h
Mov dl,0AH
int 21h
Mov ah,9
Lea dx,s2
Int 21h
Mov ah,2
Mov dl,bl
Int 21h

Mov ah,2
Mov dl,0DH
int 21h
Mov dl,0AH
int 21h
Xor bl,bl
Mov ah,9
Lea dx,s3
int 21h
Mov ah,1
Int 21h
jmp tiep1

Nhapchu:
Mov ah,2
Mov dl,0DH
int 21h
Mov dl,0AH
int 21h
Mov ah,9
Lea dx,s4
int 21h
Mov ah,1
Int 21h

tiep1:
cmp al,'a'
jb Nhapchu
cmp al,'z'
Ja Nhapchu
Mov bl,al
Mov ah,2
Mov dl,0DH
int 21h
Mov dl,0AH
int 21h
Mov ah,9
Lea dx,s5
Int 21h
Mov ah,2
Mov dl,bl
Int 21h
Call VEDOS

Main Endp
VEDOS Proc
Mov ah,4ch
Int 21h
VEDOS Endp
End Main


Bài 3:
.model small
.stack 100h
.Data
s1 db 'Nhap vao so thu nhat:$'
s2 db 'Nhap vao so thu hai:$'
s3 db 'So lon nhat la:$'
s4 db ?
s5 db 'Hai so bang nhau!$'
.Code
Main Proc
Mov ax,@Data
Mov ds,ax
Mov ah,9
Lea dx,s1
Int 21h
Mov ah,1
Int 21h
Mov bl,al

Mov ah,2
Mov dl,0DH
int 21h
Mov dl,0AH
int 21h
Mov ah,9
Lea dx,s2
Int 21h
Mov ah,1
Int 21h
Mov s4,al

cmp bl,s4
je kq1
ja kq
xchg bl,s4

kq:
Mov ah,2
Mov dl,0DH
int 21h
Mov dl,0AH
int 21h

Mov ah,9
Lea dx,s3
Int 21h
Mov ah,2
Mov dl,bl
Int 21h

Mov ah,4ch
Int 21h
kq1:
Mov ah,2
Mov dl,0DH
int 21h
Mov dl,0AH
int 21h

Mov ah,9
Lea dx,s5
Int 21h

Mov ah,4ch
Int 21h
Main Endp
End Main



Bài 4:
.model small
.stack 100h
.Data
s1 db 'Nhap vao so thu nhat:$'
s2 db 'Nhap vao so thu hai:$'
s3 db 'So nho nhat la:$'
s4 db ?
s5 db 'Hai so bang nhau!$'
.Code
Main Proc
Mov ax,@Data
Mov ds,ax
Mov ah,9
Lea dx,s1
Int 21h
Mov ah,1
Int 21h
Mov bl,al

Mov ah,2
Mov dl,0DH
int 21h
Mov dl,0AH
int 21h
Mov ah,9
Lea dx,s2
Int 21h
Mov ah,1
Int 21h
Mov s4,al

cmp bl,s4
jb kq
xchg bl,s4
je kq1

kq:
Mov ah,2
Mov dl,0DH
int 21h
Mov dl,0AH
int 21h

Mov ah,9
Lea dx,s3
Int 21h
Mov ah,2
Mov dl,bl
Int 21h
Mov ah,4ch
Int 21h
kq1:
Mov ah,2
Mov dl,0DH
int 21h
Mov dl,0AH
int 21h

Mov ah,9
Lea dx,s5
Int 21h

Mov ah,4ch
Int 21h
Main Endp
End Main



Bài 5:

.Model Small
.Stack 100h
.Data
s db 'Nhap vao mot chu cai in thuong:$'
s1 db 'Nhap sai! Nhap lai:$'
.Code
Main Proc
Mov ax,@Data
Mov ds,ax

Mov ah,9
Lea dx,s
Int 21h

Mov ah,1
Int 21h
Jmp Tiep
Nhap:
Mov ah,9
Lea dx,s1
Int 21h
Mov ah,1
Int 21h

Tiep:
cmp al,'a'
jb Nhap
cmp al,'z'
ja Nhap

Xor ah,ah
Sub al,60h
Mov cx,ax
Mov bl,61h
Kq:
Mov ah,2
Mov dl,bl
Int 21h
Inc bl

Loop Kq
Mov ah,4ch
Int 21h
Main Endp
End Main

update tip sau

má ơi..(~

thật là kinh khủng mai chết chắc rồi

Amen

sao trên lớp chữa ngắn mà bà làm gì mà dài thế

Cố gắng nhé...Thank nhìu.

thank hen. Up tie^'p ddi na`o

Mình cũng mạo muội Up thử vài bài thấy chữa và tự làm, có điều gì mong được chỉ bảo.

Bai 1.
MOV AH, 01H
Nhaplai: INT 21H
CMP AL, 30H
JL Nhaplai
CMP AL, 39H
JG Nhaplai
MOV AH, 01H
INT 21H
Bai 2.
MOV AH, 01H
Nhap1: INT 21H
CMP AL, 30H
JL Nhap1
CMP AL, 39H
JG Nhap1
Nhap2: INT 21H
CMP AL, 61H
JL Nhap2
CMP AL, 7AH
JG Nhap2
Bai 3.
MOV AH, 01H
Nhap1: INT 21H
CMP AL, 30H
JL Nhap1
CMP AL, 39H
JG Nhap1
MOV BL, AL
Nhap2: INT 21H
CMP AL, 30H
JL Nhap2
CMP AL, 39H
JG Nhap2
CMP AL, BL
JG THEN
MOV DL, BL
JMP END_IF
THEN: MOV DL, AL
END_IF: MOV AH, 02H
INT 21H
Bai 4.
MOV AH, 01H
Nhap1: INT 21H
CMP AL, 30H
JL Nhap1
CMP AL, 39H
JG Nhap2
MOV BL, AL
Nhap2: INT 21H
CMP AL, 30H
JL Nhap2
CMP AL, 39H
JG Nhap2
CMP AL, BL
JL THEN
MOV DL, BL
JMP END_IF
THEN: MOV DL, AL
END_IF MOV AH, 02H
INT 21H
Bai 5.
MOV AH, 01H
Nhap: INT 21H
CMP AL, 61H
JL Nhap
CMP AL, 7AH
JG Nhap
MOV AH, 02H
MOV DL, 61H
Tieptuc:
INT 21H
INC DL (tang DL len 1 don vi)
CMP DL, AL
JLE Tieptuc (nho hon hoac bang)
Bai 6.
MOV AH, 01H
Nhap: INT 21H
CMP AL, 61H
JL Nhap
CMP AL, 7AH
JG Nhap
MOV AH, 02H
MOV DL, AL
Tieptuc:
INT 21H
INC DL
CMP DL, 7AH
JLE Tieptuc
Bai 7.
MOV AH, 01H
Nhap:
INT 21H
CMP AL, 30H
JL Nhap
CMP AL, 39H
JG Nhap
MOV BX, 30H
Tieptuc:
INT 21H
ADD BX, AL
INC AL
CMP AL, 39H
JLE Tieptuc
Bai 10.
MOV AH, 01H
Nhap:
INT 21H
CMP AL, 30H
JL Nhap
CMP AL, 37H
JG Nhap
CMP AL, 30H
JE THEN
Tieptuc:
INT 21H
MOV BX, 31H
SUB BX, AL
INC BX
CMP BX, 37H
JLE Tieptuc
THEN: MOV BX, 31H
Bai 12.
CMP AX, BX
JL THEN
MOV DL, BX
JMP END_IF
THEN: MOV DL, AX
END_IF MOV AL, 02H
INT 21H
Bai 13.
CMP AX, BX
JG THEN
MOV DL, BX
JMP END_IF
THEN: MOV DL, AX
END_IF MOV AL, 02H
INT 21H