McCaul, Earles L. <br/><br/>
TRS-80 assembly language made simple / 
by Earles L. McCaul. 
 - Indianapolis, Ind. :  H.W. Sams,  c1981. 
 - 190 p. :  ill. 
 - The Blacksburg continuing education series. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Assembler language (Computer program language).<br/>TRS-80 Model 1 (Computer).<br/>TRS-80 Computers--Programming.