Leventhal, Lance A.  <br/><br/>
Z80 assembly language subroutines /  [Books]. 
Lance A. Leventhal, Winthrop Saville.  
 - Berkeley, Calif :  Osborne / McGraw-Hill ;  ©1983. 
 - xi, 497 pages :   illustrations ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0079310915 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Assembly languages--Electronic computers<br/>Subroutines--Computer programs<br/>Subroutines --Computer programs<br/>Zilog Z-80--Programming<br/>Zilog Z-80--Microprocessor<br/>Assembler language--Computer Program Language