Byte vol.8 №3 March 1983

Features
26 Build the ECM-103, an Orlglnate/Answer Modem by Steve Ciarcia I The Texas Instruments TMS99532 forms the heart of a Bell-103-compatible modem.
34 The Enhanced VIC-20, Part 2: Adding a 3K-Byte Memory Board by Joel Swank I Supplement the VIC-20’s standard 5K bytes of RAM and eliminate those annoying “out-of-memory” messages.
44 A User’s View of COMDEX by Jerry Pournelle I An impressionistic report of one of the largest gatherings of computer dealers and manufacturers.
56 The Promise of Perpendicular Magnetic Recording by Clark E. Johnson Jr. I As the Japanese seem to have realized already. PMR represents the next level of recording technology.
68 New Developments In Floppy Disks by Tom Moran I New advances in floppy-disk-drive technology spurs intense competition.
86 Optical-Memory Media by Edward Rothchild I Some background on how optical disks work, who makes them, and how much data they can hold.
110 Will Removable Hard Disks Replace the Floppy? by Larry Sarisky I Improved data-storage technologies may eventually eliminate floppy disks.
122 The Winchester Odyssey, From Manufacturer to User by Jim Toreson / A look at drives. OEMs, and the cost of doing business.
130 Building a Hard-Disk Interface for an S-100 Bus System, Part 1: Introduction by Andrew C. Cruce and Scott A. Alexander I The first in a series of articles on interfacing a Winchester disk drive to an S-100 bus CP/M microcomputer.
152 NAPLPS: A New Standard for Text and Graphics, Part 2: Basle Features by Jim Fleming I How to encode text and simple graphics elements in a standard and efficient manner.
218 User’s Column: Sage In Bloom, Zeke II, CBIOS Traps, Language Debate Continues by Jerry Pournelle/ The consummate computer user tackles his new writing machine.
262 A Faster Binary Search by Dr. L. E. Larson I An important technique results in faster-running applications programs and shorter response times.
295 Data Collection with a Microcomputer by Dr. Mahlon G. Kelly I Using a TRS-80 Model I for environmental research saves time and money.
310 Build This Memory, Part 1: How to Construct a Low-Cost Memory with 4116 Memory Devices by Cameron Spitzer I Take advantage of the low price of the 4116-type memory.
331 A Peek Into the IBM PC by Tim Field I An assembly-language program enables an Epson printer to display all 256 characters used by the IBM PC.
389 Keywords In a Fuzzy Context by Thomas A.
Smith ICBASIC programs for bibliographic search tell you the degree to which various articles meet your requirements.
418 ROTERP: An Interpretive Language for Robot Control by Gary Liming I High-level languages may help bridge the gap between artificial intelligence and the home experimenter’s robot.
436 Using SOUND Arguments for High-Precision RTTY by Scott Persson I How to generate radioteletype audio frequencies from an Atari 800.
453 Binary-Format Number Storage on the Apple II Disk by David Eyes IA machine-language routine to read and write binary data to a text file.
Reviews
190 MP/M II by Stephen Schmitt
247, 248, 251 BYTE Game Grid: Project Nebula by Keith Carlson: Legionnaire by Gregg Williams; Omega Race for the VIC-20 by Stanley J. Wszola
256 Ouickcode by Adam B. Green
282 Hayes’s Stack Smartmodem by Norman C. McEntire
Nucleus
6 Editorial: The Software Revolution. Where Will We Store All Those Programs?
14 Letters
22 BYTE’s Bugs
307, 450 Programming Quickies: Add Dimensions to Your BASIC; Computing Telescope Parameters with the OSI Superboard II
380, 462 System Notes: Circles and Ellipses on the Apple II; Adding a Trace to North Star BASIC
474 Event Queue
478, 486 BYTE’S Bits
484 Software Received
487 Ask BYTE
490 Books Received
491 Clubs and Newsletters
492 BYTELINES
497 What’s New?
557 Unclassified Ads
558 BOMB. BOMB Results
559 Reader Service