mov ax,1000H
mov ds,ax
mov ax,4000H
mov ss,ax
mov sp,0050H
mov ax,0000H
mov es,ax
mov ax,1000H
mov [es:180H],ax
mov ax,2000H
mov [es:182H],ax
STI
here : jmp here

Can anyone tell me what the 2 line is doing? it is a program to setup interrupt
what is that 180H 182H comes from?

 

Line 2 is moving 1000H to the data segment register.