User manual ZILOG Z80 - CPU

Z80 Family CPU User Manual User Manual 80 =L/2* :RUOGZLGH +HDGTXDUWHUV ( +DPLOWRQ $YHQXH &DPSEHOO &$ 7HOHSKRQH )D[ ZZZ=L/2*FRP = &38 8VHU¶V 0DQXDO This publication is subject to replacement by a later edition. To determine whether a later edition exists, or to request copies of publications, contact: ZiLOG Worldwide Headquarters 910 E. Hamilton Avenue Campbell, CA 95008 Telephone: 408.558.8500 Fax: 408.558.8300 www.ZiLOG.com Document Disclaimer ZiLOG is a registered trademark of ZiLOG Inc. in the United States and in other countries. All other products and/or service names mentioned herein may be trademarks of the companies with which they are associated. ©2001 by ZiLOG, Inc. All rights reserved. Information in this publication concerning the devices, applications, or technology described is intended to suggest possible uses and may be superseded. ZiLOG, INC. DOES NOT ASSUME LIABILITY FOR OR PROVIDE A REPRESENTATION OF ACCURACY OF THE INFORMATION, DEVICES, OR TECHNOLOGY DESCRIBED IN THIS DOCUMENT. ZiLOG ALSO DOES NOT ASSUME LIABILITY FOR INTELLECTUAL PROPERTY INFRINGEMENT RELATED IN ANY MANNER TO USE OF INFORMATION, DEVICES, OR TECHNOLOGY DESCRIBED HEREIN OR OTHERWISE. Except with the express written approval of ZiLOG, use of information, devices, or technology as critical components of life support systems is not authorized. No licenses are conveyed, implicitly or otherwise, by this document under any intellectual property rights. 80 = &38 8VHU¶V 0DQXDO LLL Table of Contents 2YHUYLHZ $UFKLWHFWXUH &38 5HJLVWHUV $ULWKPHWLF /RJLF 8QLW $/8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¶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ist of Instructions $'& $ V $'& +/ VV $'' $ +/ $'' $ ,; G $'' $ ,< G $'' $ Q $'' $ U $'' +/ VV $'' ,; SS $'' ,< UU $1' V %,7 E +/ %,7 E ,;G %,7 E ,