Table of Contents OPINION The Shadow, Buck Rogers, and the Home Computer - Gardner The State of the Art — Helmers Could a Computer Take Over — Rush THEORY AND TECHNOLOGY A Systems Approach to a Personal Microprocessor — Suding Frankenstein Emulation — Murray Programming for the beginner — Herman What is a Character — Peshka Friends, Humans, and Countryrobots: Lend me your Ears — Rice Magnetic Recording for Computers — Manly COMPUTER KITS Assembling an Altair 8800 — Zarrella Build a 6800 System With This Kit — Kay More on the SWTPC 6800 System — Kay The New Altair 680 — Vice A Date With KIM — Simpson True Confessions: How I Relate to KIM — Gupta Zilog Z80 — Hashizume The Digital Equipment LSI-11 — Baker Cromemco TV Dazzler HARDWARE Flip Flops Exposed — Browning Recycling Used ICs — Mikkelsen Powerless IC Test Clip — Errico and Baker Parallel Output Interfaces in Memory Address Space — Helmers Son of Motorola — Fylstra Data Paths — Liming Build a TTL Pulse Catcher — Walde Dressing Up Front Panels — Walters Deciphering Mystery Keyboards — Helmers A Quick Test of Keyboards — Walters Keyboard Modification — Macomber Serialize Those Bits From Your Mystery Keyboard — Halber Build a Television Display — Ganff The "Ignorance Is Bliss" Television Drive Circuit — Barbier Build a TV Readout Device for Your Microprocessor — Suding Let There Be Light Pens — Loomis Build an Oscilloscope Graphics Interface — Hogenson An Introduction to Addressing Methods — Zarrella Interface an ASCII Keyboard to a 60mA TTY Loop — Cotton Interfacing the 60 mA Current Loop — King The Complete Tape Cassette Interface — Hemenway Digital Data on Cassette Recorders — Mauch Build a Fast Cassette Interface — Suding Technology Update What's In a Video Display Terminal? — Walters Pot Position Digitizing Idea — Schulein Read Only Memories in Microcomputer Memory Address Space — Eichbauer More Information on PROMs — Smith Getting Input from Joysticks and Slide Pots — Helmers Logic Probes — Hardware Bug Chasers — Burr Controlling External Devices With Hobbyist Computers — Bosen Microprocessor Based Analog/Digital Conversion — Frank Add a Kluge Harp to Your Computer — Helmers The Time Has Come to Talk — Atmar Make Your Own Printed Circuits — Hogenson SOFTWARE Write Your Own Assembler — Fylstra Simplify Your Homemade Assembler — Jewell Interact With an ELM — Gable Design an On Line Debugger — Wier and Brown Processing Algebraic Expressions — Maurer The "My Dear Aunt Sally Algorithm" — Grappel Can YOUR Computer Tell Time? — Hogenson A Plot Is Incomplete Without Characters — Lerseth Hexpawn: A Beginning Project in Artificial Intelligence — Wier Shooting Stars — Nico Biorythm for Computers — Fox Life Line — Helmers APPLICATIONS Total Kitchen Information System — Lau A Small Business Accounting System — Lehman Chips Found Floating Down Silicon Slough — Trumbull RESOURCES Books of Interest Magazines