admin 管理员组

文章数量: 1086019


2024年12月23日发(作者:update sql批量)

1.输入两位10进制转换为16进制输出

data segment

data ends

code segment

assume cs:code,ds:data

start:mov ax,data

mov ds,ax

mov al,0

mov ah,01h

int 21h

mov bh,al

mov ah,01h

int 21h

mov bl,al

mov ax,0

sub bh,30h

mov al,bh

mov cl,0ah

mul cl

sub bl,30h

add al,bl

mov dl,al

mov bl,10h

mov cl,al

mov dl,0

l1:cmp cl,bl

jnae l2

inc dl

sub cl,bl

jmp l1

l2:add dl,30h

mov ah,02h

int 21h

cmp cl,0ah

jae l3

mov dl,cl

add dl,30h

mov ah,02h

int 21h

jmp e

l3: mov dl,cl

add dl,37h

mov ah,02h

int 21h

e: mov ah,4ch

int 21h

code ends

end start

2. 10转2

data segment

output1 db 'input the decimal number:$'

output2 db 'the binary number is:$'

data ends

code segment

assume cs:code,ds:data

main proc far

start:

mov ax,data

mov ds,ax

mov dx,offset output1

mov ah,09h

int 21h

call crlf

input:

mov ah,01h

int 21h

cmp al,30h

jb input

cmp al,39h

jae input

mov bl,al

lea dx,output2

mov ah,09h

int 21h

call crlf

mov cx,4

m1: test bl,8h

jnz m2

mov dl,'0'

mov ah,02h

int 21h

jmp m3

m2: mov dl,'1'

mov ah,02h

int 21h

m3: shl bx,1

loop m1

mov ah,4ch

int 21h

ret

main endp

crlf proc near

mov dl,0dh

mov ah,02h

int 21h

mov dl,0ah

mov ah,02h

int 21h

ret

crlf endp

code ends

end start


本文标签: 进制 转换 输入 输出