assume cs:code,ds:data,ss:stack
data segment
db 'welcome to masm!'
data ends
stack segment
db 0,2,0,36,0,1
stack ends
code segment
start:mov ax,data
mov ds,ax
mov ax,stack
mov ss,ax
mov ax,0b86eh
mov es,ax
mov sp,0
mov cx,3
s0:mov bx,0
mov di,64
mov si,65
pop ax
push cx
mov cx,1...