HJASSEMBLY LANGUAGE PROGRAM This demonstration shows the use of OS/78 Assembly Language. The program we will write, assemble, and run will be a very simple one: it will add 2 and 3 to get 5 and print the 5. First will come the program listing. After that the program will be assembled and run (under BATCH) and the resulting "5" should print on the screen. ...Executing under OS/78 BATCH!