Circuit Cellar Ink 64
November 1995

Table of Contents

2 Ken Davidson	Editor's INK Weaving the Web
6	Reader's INK Letters to the Editor
8 Harv Weiner	New Product News
14 Do-While Jones	Rediscovering Analog Computers In an increasingly digital age, it's easy to forget that the analog computer fills a special niche. Here Do-While shows us how an analog computer creates the best simulation for testing a cruise-control algorithm.
20 David Prutchi	Parallel Processing with Transputers Uniprocessor technology is at a limit. Greater speeds require new technology. Instead of paying the increased costs, David advocates parallel processing. Find out how to build your own Transputer.
36 Michael R. Smith	Developing a Virtual Hardware Device Mike finds out what it takes to simulate virtual devices on the buses of MC68332 CISC and AM29200 RISC microcontroller evaluation boards. His concern: how the simulators deal with exception handling of bus errors.
46 Ed Lansinger	Developing an Engine Control System Part 3: Completing the System Ed finishes his series on the engine control system by looking at the last critical parts: the crankshaft position detector, automatic shutdown, and power supply. He ends with how to tune the complete system.
54 Ed Nisley	Firmware Furnace Journey to the Protected Land: Real Interrupts in Virtual-86 Mode For an 'x86 processor running in Virtual-86 mode, processing an external interrupt is no small feat. If your DOS comm program has ever dropped characters while running under Windows or OS/2, you'll soon understand why. Download: FF64.ZIP
62 Jeff Bachiochi	From the Bench Carrier Current Modem: Part 1: Communicating at 1200 bps Around the House Have you wanted to send data through your house without running more wires? SGS-Thomson's ST7537 power-line modem chip may be just the thing for you. Jeff shows how to use the chip in a simple circuit. Download: FTB64.BAS
70 Tom Cantrell	Silicon Update ADSP4ME: Audio Processor Chips for the Masses In INK 63, Tom showed how the latest digital video chips take much of the mystery, cost, and headaches out of tough designs. Here, he takes a look at the AD1847 and ADSP-2181 that handle audio with the same panache.
78 Ken Davidson	ConnecTime -- Excerpts from the Circuit Cellar BBS
81	Advertiser's Index
96 Steve Ciarcia	Steve's Own INK They Still Flip Hamburgers, Don't They?

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