assume cs:codesg,ds:datasg,ss:stucksg
datasg segment
db 'welcome to masm!'
db 02h,24h,71h
datasg ends
stucksg segment
dd 0
stucksg ends
codesg segment
start:mov ax,datasg
mov ds,ax
mov ax,0b800h
mov es,ax
mov ax,stucksg
mov ss,ax
mov sp,4
mov bx,862h
mov di,0
mo...