Hughes, Lawrence E,  <br/><br/>
System programming under CP/M-80 / 
Lawrence E. Hughes. 
 - Reston, VA. :  Reston Publishing Co.,  1983. 
 - vi, 197 pages ;  23 cm. 
<br/><br/>Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Intel 8080 (Computer)--Programming.<br/>Intel 8085 (Computer)--Programming.<br/>Assembly language (Computer program language).<br/>CP/M--80 (Computer operating system).