实训汇编语言设计——键盘命令

接受键盘命令 T,N T显示生日,N显示名字

data segment
birth db '2926/16/37','$'
nm db 'Bill Gates,'$'
cmd db 'Please enter the command:','$'
linefeed db 13d,10d,'$'
data ends
code segment
main proc far
assume ds:data,cs:code
start:
push ds
mov ax,0
push ax
mov ax,data
mov ds,ax
mov dx,offset cmd
mov ah,9
int 21h
jmp L1
again:
mov ah,1
int 21h
cmp al,'T'
jne next
mov dx,offset birth
mov ah,9
int 21h
L1:
mov dx,offset linefeed
mov ah,9
int 21h
jmp again
next:
cmp al,'N'
jne exit
mov dx,offset nm
mov ah,9
int 21h
jmp L1
exit:ret
main endp
code ends
end start