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Last Updated
03/31/2019
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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION. |
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COMPUTER sa ANALOG COMPUTER sa CALCULATOR sa COMPUTER APPLICATIONS sa COMPUTER AUDIO sa COMPUTER BENCHMARKING sa COMPUTER BUS sa COMPUTER BUSINESS sa COMPUTER CLOCKING & TIMING sa COMPUTER ENCLOSURE sa COMPUTER FRONT PANEL sa COMPUTER FURNITURE sa COMPUTER GAME sa COMPUTER INPUT & OUTPUT sa COMPUTER LANGUAGE sa COMPUTER MAINTENANCE & REPAIR sa COMPUTER NETWORK sa COMPUTER OPERATING SYSTEM sa COMPUTER POWER SUPPLY sa COMPUTER PROGRAMMING sa COMPUTER TERMINAL sa COMPUTER TIMESHARING sa COMPUTER VIDEO DISPLAY TERMINAL sa DIGITAL ELECTRONICS sa DIGITAL IMAGING sa MATHEMATICAL COPROCESSOR sa MICROCONTROLLER sa MICROPROCESSOR x DIGITAL COMPUTER xx CALCULATOR xx DIGITAL ELECTRONICS xx MICROCONTROLLER What a home computer could do for you. What's involved in building a computer kit. Includes many tips on proper soldering techniques. Descriptions of Digital Group kits, their assembly, operation, and good and bad points. Building a computer from scratch. Use TTL circuitry to build a computer which teaches the builder much about TTL circuits and computers in general. Est. cost: $65. Detailed plans of a computer system built by David Brader. Called the KOMPUUTAR, the system is based on the MOS Technology 6502 processor. Details of the CPU board, control panel interface and serial terminal interface. Modifications to allow the address of the KIM-1 from hexadecimal 0400 to 13FF to be mapped into a KIM-2 address range of 1000 to 1FFF. Building the Heath H8 computer. Some tips. Editorial describes the homebrew 6809 computer to be built by Carl Helmers. Additional photos and decription of Carl Helmers homebrewed 6809 computer system. A description of the AMSAT-GOLEM-80 prototype computer which is designed to be built in stages as a group, club, or individual can afford it. Uses the S-100 bus. Designing the logic of the system. Processor board design. Continuing the description of Carl Helmers 6809 homebrew. Budget building on a bare board. Some tips on building a computer from scratch using commercially designed PC boards supplied with complete documentation, but not parts. List of suppliers and board costs are included. The Intel 8086. Steve Ciarcia (Ciarcia's Circuit Cellar) describes his experience in building and using the SDK-86 single board evaluation computer which uses the new 16-bit processor from Intel. Build a personal computer on a student's budget. Utilizes the Ithaca Audio (Intersystems) Z80 processor board. Estimated cost: $400. What's inside Radio Shack's TRS-80 Color Computer. A complete description of the hardware and software. Details of the graphics interface. Valuable information for users who build expansions. How to write clear and effective documentation (literature, manuals,...) for microcomputer components and systems. Build your own Turing Machine. Description of a theoretical Turing Machine and how to implement a practical version in hardware, in 6800 machine code, and in a FORTRAN program. Build a Z8-based control computer with BASIC. Part 1. Battery-powered unit fits on one small card, has 4K memory, three I/O ports, tiny-BASIC interpreter, etc. Est. cost $170. Build a Z8-based control computer with BASIC. Part 2. The Atari tutorial. Part 1. The display list. The Atari tutorial. Part 2. Graphics indirection. A closer look at the TRS-80 Color computer. Notes on memory organization, video window, and applications. The Atari tutorial. Part 3. Player-missile graphics. The Atari tutorial. Part 4. Display-list interrupts. The Atari tutorial. Part 5. Scrolling. Build the Circuit Cellar MPX-16 computer system. Part 1. Any peripheral device designed to be installed in the IBM Personal Computer can be plugged into this 8088-based system. Est. cost: $1895 (assembled). Build the Circuit Cellar MPX-16 computer system. Part 2. A continued description of an 8088-based system that shares its principles of operation with the IBM Personal Computer. Build the Circuit Cellar MPX-16 computer system. Part 3. Serial and parallel I/O counters and timers, floppy-disk interface, and CP/M-86 operating system. Exploring the Commodore VIC-20. Includes a utility program to examine and modify the VIC-20's memory. The enhanced VIC-20. Part 1. Adding a reset switch. Seventeen articles examine the IBM Personal Computer. SPECIAL SECTION. Guide to the Apple Personal Computers. Single-board computers. Designing, building and programming dedicated microprocessor-based devices. Part 1. Single-board computers. Part 2. Two off-the-shelf units that are easy to program using BASIC. New motherboards boost XT performance. How to change an XT into an AT. Upgrading your 286-based computer. Three options viewed. Experimenting with the Z8 single-chip microcomputer (an expanded version of the Z80 microprocessor which includes memory, I/O ports, UART, etc.). Experimenting with Motorola's 68HC11 true single-chip computer. Part 1. An introduction to building a simple, inexpensive and expandable single-board computer (SBC). Experimenting with Motorola's 68HC11 true single-chip computer. Part 2. Examining the MAG-11 SBC circuit and diagnostic/tutorial software. How to choose a microcomputer chip. Tips on helping you through the difficult process of selecting just the right chip for your next project. Experimenting with Motorola's 68HC11 true single-chip computer. Part 3. Building and using the MAG-11 single-board computer. Experimenting with Motorola's 68HC11 true single-chip computer. Part 4. Building a board to supply battery power, installing the monitor program, programming the MAG-11s EEPROM and experimenting with the 68HC11 in special bootstrap/modified single-chip mode. Experimenting with Motorola's 68HC11 true single-chip computer. Part 5. Using the BUFFALO monitor and MAG-11 to produce an inexpensive single-chip MC68HC11 system. Experimenting with Motorola's 68HC11 true single-chip computer. Part 6. SBC (single-board computer) applications. A look at MAG-11's binary output and how to use it A/D converter. Using the MAG-11 as a binary-display digital voltmeter and a bargraph photometer that measures foot-candles. Experimenting with Motorola's 68HC11 true single-chip computer. Part 7. SBC (single-board computer) applications (continued). A look at MAG-11's input-capture feature and how to use it to make an accurate binary-display thermometer. Also details using interrupts to generate square waves and producing computer music. Assembling the BASCOM1 80C52-BASIC single-board computer (SBC). Some hints and cautions for the do-it-yourselfer. Learning 16-bit microcomputer technology. Part 1. First of a series of article on how an Intel 8088 CPU-based computer works. Learning 16-bit microcomputer technology. Part 2. A description of the signals generated at various stages. Learning 16-bit microcomputer technology. Part 3. How the programmable DMA controller works. Learning 16-bit microcomputer technology. Part 4. The programmable interval timer and programmable peripheral interface. Learning 16-bit microcomputer technology. Part 5. The dynamic RAM and asynchronous communications port. Learning 16-bit microcomputer technology. Part 6. How to use machine language programming. Learning 16-bit microcomputer technology. Part 7. How to use the monitor to create software. So, you want to buy a new computer? An overview of choices in CPU, operating system, memory, monitors, etc. What's in a computer kit? Part 1. A profile of the Altair 8800 computer kit. What's in a computer kit? Part 2. The need for memory, terminals and interfaces. How a microcomputer works. Bits and bytes for beginners. An explanation of binary-digit representations as used by a computer. Build the poor man's IBM PC/XT from what other people throw away. Tips on locating inexpensive components to assemble into a workable PC/XT clone. Upgrading a personal computer to run new software. Tips on what is worth upgrading. Describes installing a new CPU, increasing RAM, adding another hard drive, installing an internal CD-ROM multimedia kit and adding a data/fax modum. Expand your KIM. Part 2. An expansion board for the KIM-1 allows it to interface to the S-100 bus and use S-100 peripherals. Glossary of common acronyms used in the computer industry. Kilobaud Klassroom No. 9. Counters and registers. How they work to support computer circuits. Build the simple computer. A home-brew 8080 with EPROM start up, 17K static memory, 32 char x 16 line TV interface, 1100 baud cassette interface, ASCII keyboard and Baudot Teletype printer. Est. cost: $600. Backup techniques. How fail-safe is your system? Tips on protecting valuable data and documentation. Home-brew Z-80 system. Part 2. Construction of the CPU and memory board. The Heath/DEC connection. Part 1. Overview of the H11 system. Expand your KIM-1 system. Artwork for an expansion board and schematic for an expansion power supply. Also illustrated is a new enclosure for your KIM, consisting of a wooden briefcase which makes the unit more portable. How to expand your KIM-1 system economically. How to interface the KIM to a video monitor and an ASCII keyboard, add more memory, add a cassette tape recorder, and add a power supply. Both hardware and software are described. The Heath/DEC connection. Part 2. Modify your COSMAC Elf microcomputer to interface with a keyboard and allow you to jump to any location in memory. The circuit requires no programming and uses no memory space. Some thoughts on the SWTP computer system. Part 1. Using ultraviolet light to erase EPROMS, correcting power supply problems, information on the 32K memory board, a fix so the RESET signal always gets through, increasing the baud rate, and a description of the new motherboard. User report on assembling and using the SKIP II single board microcomputer from NBL (Richmond, Texas). Uses the SC/MP-II microprocessor chip manufactured by National Semiconductor. Product review of the OSI Model 500 computer. Assembling and using the COSMAC Super Elf microcomputer from Quest Electronics company. Two users discuss their assembly and use of the COSMAC VIP kit. Some thoughts on the SWTP computer system. Part 2. Using the Heath H9 terminal, paralleling terminals, modifications to the CT-1024 and CT-64 video terminals, BASIC patches, PR-40 printer tips, cassette compatibility, convert diskette for 2-sided use, etc. Putting the 1802 on the S-100 bus. Reader discusses the construction of a Horizon I computer from a kit. Product review of the Sorcerer computer from Exidy, Inc. User's review of the Cromemco Z-2D computer. User's review of the OSI (Ohio Scientific Instruments) Superboard III. Teach an old PET new tricks. A chart (memory map) tells what each address in the PET computer is used for. This conversion chart covers both the OLD and NEW version of PET (which are not compatible). The chart will help convert old PET software to new PET software. Review of Technico's "Super Starter Kit" which is based on the Texas Instrument TMS 9900, a 16-bit microprocessor. Thoughts on the SWTP computer system. Part 3. A look at the MP-S and MP-C interfaces, their advantages and disadvantages. Reading computer jargon. A glossary of words and meanings. Product review of the Rockwell International AIM 65, a 6502-based microcomputer, which features several built-in I/O interfaces on the CPU board. A visit to Ohio Scientific Instruments company (Aurora OH). A review of that company's computers and software. AMI's EVK series. Part 1. American Microsystems, Inc. is another producer of 6800 based microcomputers. A review of the company and its products. AMI's EVK series. Part 2. The Hardware. Have a ball with Bally. Product review of the Bally Computer System, model ABA-1000. Sample the 6100. Design and construction of a 12-bit microcomputer using the Intersil/Harris 6100 microprocessor. This device uses the Digital PDP-8 instruction set, making a lot of software already available. Est. cost for minimum configuration to test the computer should be about $100. AMI's EVK series. Part 3. The software. How to choose a small business computer. One user's experience in selecting a system for a small school. Customized PET computer features a detached keyboard, built-in floppy disk, and a new cabinet. Build MicroStart, a stand-alone 256 byte memory board with five control keys that load data into memory. Add to this a CPU board, power supply, and common chassis and begin experimenting with different CPU chips. Thoughts on the SWTP computer system. Part 12. A look at the 6809-based systems. OSI's Superboard II computer. A second look. Includes circuit modifications. Improving the OSI Challenger C2 computer. Part 1. Description of the hardware features of OSI's "500" boards, and how to implement additional features present on the boards. Thoughts on the SWTP computer system. Part 13. Continued discussions on the ROM monitor. Special focus on the PET computer. 9 articles. Build your own 8085A-based microcomputer. A complete micro in only ten chips. Estimated cost: $250. Modify a TRS-80 computer. Uses two Level I ROM chips to enable the machine to function as a Level III version. Improving the OSI Challenger C2. Part 2. Video, cassette, and keyboard modifications. The $35 bare-bones microcomputer. Uses only 7 integrated circuits including the 8035 CPU chip. Upgrading the Heath H8 with a Z-80 microprocessor. Adaptor mounts piggyback onto the H8 CPU board. Estimated cost: $40. Thoughts on the SWTP computer system. Part 15. A closer look at the 6809 and its Motorola BASIC, a discussion of multiprogramming, and two interrupt-driven printer programs. Profile of the APF Electronics Inc. "Imagination Machine", a 6800-based computer system designed for connection to a home color TV set. Assemble a super business system. Put 16 bits on the S-100 bus with Marinchip Systems M9900 CPU board. Description of one kit-built approach to a larger system. Thoughts on the SWTP computer system. Serial port handshaking, abort switch, power supply modifications, Percom video board driver software, etc. Building the H-89, Heathkit's All-In-One computer kit. Part 1. Thoughts on the 68XX system. Notes on real-time clocks, video boards and EPROMS. Building the H-89. Part 2. How to convert an early model TRS-80 with two Level I ROMs into a Level III machine. Build-it-yourself single-board computer system uses the National Semiconductor INS8073 CPU chip with resident BASIC interpreter. Est. cost: $175. Power jump for the 1802. This simple circuit lets you jump to the monitor when you turn the power on. Eliminates the reset/load reset/run bootstrap sequence. How to assemble the Sinclair ZX81 computer kit. How to speed-up your Kaypro computer from 2.5MHz to 5MHz. Est. cost: $50. Upgrading a Radio Shack "bare bones" Color Computer. How to add 64K RAM, extended BASIC, and 64-column video output. Est. cost: $50. PC speed-up board. Gives 30% more typical operating speed to 4.77-MHz IBM PC's and compatibles without changing any parts. Run new software at 6-MHz, but maintain ability to run slower (4.77-MHz) programs. Est. cost: $30. PC Express. Upgrading a 4.77-MHz IBM PC, XT or clone computer to 8 MHz. Switch allows you to choose either the slow or fast speed. Choosing the right computer power. Guidelines to buying personal computers. Part 1. IBM and compatible (8088, 8086, 80286, 80386SX, 80386) Choosing the right computer power. Part 2. 68000 computers: Apple Macintosh series. Choosing the right computer power. Part 3. 68000 series: Atari and Commodore. 6502/6510 computers: Apple II and Commodore 64/128. Tips on shopping for a home computer. Tips on equipping your home office for "telecommuting" (working at home via a computer terminal). Binary adder demonstrates the fundamentals of a digital computer. Build the Altair 8800 computer. Part 1. A parallel 8-bit word/ 16-bit address computer with an instruction cycle time of 2 microseconds. Has 256 inputs and outputs and a memory capacity of 65,000 words. Est. cost: $397 (kit form). Build the Altair 8800 computer. Part 2. Practical use of the computer including programming. Altair 680 computer. Built around the 6800 MPU. Compact design features only one large pc board, a built in TTY interface and high speed. Est. cost: $293 (kit). The ins and outs of computers for beginners. Understanding character codes, flags, interrupts, direct memory access and other computer terms. Build the COSMAC Elf. Part 1. A low-cost experimenters microcomputer. Basic construction and simple programming examples. Uses toggle switch input, hex LED display, 256 bytes of RAM, 4 input lines and a latched output line. Uses the RCA CDP 1802 COSMAC microprocessor chip. Est. cost: $80. Build the COSMAC Elf. Part 2. Some hardware improvements and more programming details. Add an 8-bit I/O port, 16-switch monitor for using a hex keyboard, battery power backup and other ideas. How to select a hobbyist microcomputer. A general look at the many kits available and their price ranges. Build the COSMAC Elf. Part 3. How to expand memory, plus more programs. Add 1024 bytes for $20. Build the COSMAC Elf. Part 4. Build the PIXIE graphic display. Adding one chip to the Elf provides complete video interface and animated graphics capability. Est. cost: $25. Special focus on home computers. Includes: Basic guide to computer buying. Using existing house wiring for computer remote control (part 1). How to interface microprocessors. Computer stores. Quick hex-decimal conversions. Expanding the 1802 Elf microcomputer. Part 1. Simple interface between Elf and cassette recorder. Simple interface between Elf and a 20-mA current-loop device such as a teletype. Programs to communicate with these I/O devices. Other programs for making music, counting, timing, etc. Expanding the Elf microcomputer. Part 2. Add a monitor program, cassette read/write, 20-mA/RS-232 interface, N-line decoder, I/O ports. Explorer, an 8085-based microcomputer. Expandable, single-board computer uses simplified hardware and is fully compatible with 8080 software. Board includes a 2K monitor in ROM and two programmable 8-bit bidirectional parallel I/O ports. Est. cost $130 (without power supply, case or keyboard). Choosing a microcomputer for a very small business. Upgrading your PC. Tips on adding/changing disk drives, new motherboards, etc. Update your PC or XT by converting into a 286-based AT compatible. Make your own MAC. How to assemble an expandable Macintosh computer starting with an inexpensive used motherboard. Putting together your own computer. Advice on determining the selection of each major component and well as some of the pros and cons of the many decisions you must make. Part 1. Putting together your own computer. Part 2. PC tuneup. How to improve a personal computer's performance by fine-tuning software and by choosing the right hardware upgrades. A look at the new hobby of real computers you assemble yourself. What it's like to build and use your own home computer. A look at what's available in computer kits for the hobbyist. A look at the specialized plug-in circuit boards that can be purchased to make home computers more versatile. Explores clock boards, controller boards, music and voice synthesizers, memory boards and input/output boards. Popular Science buyer's guide to home computers. Build a 2650-based microcomputer system. Part 1. Built on a single printed-circuit board, it contains a video and cassette interface and resident supervisor. Est. cost: $325. Build a 2650-based microcomputer system. Part 2. Build a 2650-based microcomputer system. Part 3. Software and programming. Introduction to personal computers. What they can do and how to select your own. Introduction to personal computers. The role of peripherals in making a computer system. Directory of manufacturers and product specifications for personal computers and peripherals. Introduction to personal computers. What they can do and how to select your own. Buyer's guide to home computers. A special section. Upgrading the Radio Shack Color Computer (CoCo) and the Commodore 64 computer to do more serious work. Some tips. PC compatible computer. Put together an IBM PC XT-compatible computer using parts available from "HiTech International". Part 1. PC compatible computer. Part 2. Assemble an IBM XT-compatible clone computer using non-IBM boards and components. Build the MC 68000 computer. Part 1. An in-depth look at a 68000-based computer you can build. Build the MC 68000 computer. Part 2. Hardware highlights. Build the PT-68K computer. Uses the Motorola 68000 microprocessor. Operates at 8 MHz or higher. Features one megabyte of RAM, 32K of ROM, serial and parallel ports, floppy and hard disk controllers, etc. Est. cost: $470. Part 1. Description of the computer system, source of parts, costs, etc. Build the PT-68K computer. Part 2. Building the test, reset, and clock circuits. Build the PT-68K computer. Part 3. Install the 68000 microprocessor and start learning how it works. Build the PT-68K computer. Part 4. Address decoders, RAM, and ROM. Build the PT-68K computer. Part 5. Connect a keyboard and a video display. Build the PT-68K computer. Part 6. Intel memory decoding. Build the PT-68K computer. Part 7. Troubleshooting hints and a checklist of everything installed so far. Build the PT-68K computer. Part 8. Dynamic RAM. How DRAM differs from static RAM. Build the PT-68K computer. Part 9. Dynamic RAM circuits. Build the PT-68K computer. Part 10. Dynamic RAM circuits (continued). Build the PT-68K computer. Part 11. Install hard- and floppy-disk controllers, and a parallel port. Build the PT-68K computer. Part 12. An introduction to 68000 assembly-language programming. Build the PT-68K computer. Part 13. Running MS-DOS. Build an adapter card (co-processor) that allows you to run IBM software. Est. cost: $400 plus RAM. Build an 80386SX motherboard. Upgrade your AT clone or use as the basis for a new system. Est. cost: $700 plus RAM. Part 1. Build an 80386SX motherboard. Part 2. Build an 80386SX motherboard. Part 3. Tips on upgrading an 8088-based XT clone to a 286-based AT clone by changing the motherboard. Build a Macintosh-compatible computer starting with any 128K through SE-30 Mac logic board. Est. cost: $400. | |||||||||
Copyright © by Norman Lathrop Enterprises. All Rights Reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means (electronic, mechanical, print photocopying, recording or otherwise) without the prior expressed permission of Norman Lathrop Enterprises, except as permitted by law. |
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