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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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PRINTER INTERFACE xx COMPUTER INPUT & OUTPUT xx PRINTER How to drive a teletype without a UART. Parallel to serial converter uses five standard TTL integrated circuits. A guide to Baudot machines. Part 2. Interfacing techniques. Interfacing the IBM Selectric keyboard printer. Est. cost: $50 (interface only). How to interface your computer to a printing calculator output device. Described is the connection of an 8080A processor and a Texas Instrument 5050M printing calculator. Additional information on interfacing a DECwriter to a heathkit H8 computer so that the lower case will operate properly. A "fix" for the Cromemco Dazzler board to eliminate problem-causing pulses on a Z-80 S-100 bus system. The fix eliminates spurious SOUT pulses that can cause garbage to be printed out on the operating system printer. Interfacing the S-100 bus with the Intel 8255 programmable peripheral interface. Detailed instructions for building a parallel interface for a Diablo printer are included. Est. cost: $20. Interfacing the PET microcomputer to a line printer via the parallel port. Includes an output routine in BASIC. How to interface a Heathkit H-14 printer to a North Star Horizon computer. Build the Disk-80, a 32 K-byte memory expansion and 5" floppy-disk controller for the TRS-80 Model 1 computer. Also has a Centronics parallel printer port and real-time clock. John Bell Engineering's (Redwood City, CA) Apple II parallel interface board reviewed. Includes 6502 program listing to (1) drive Epson MX-80 printer and (2) simulate a real time clock. The enhanced VIC-20. Part 3. Interfacing an MX-80 printer. An inexpensive letter-quality printer. How to interface the Olivetti Praxis 30 electronic typewriter to a parallel port. Est. cost: $250 for the typewriter. Parallel I/O ports for Heath-/Zenith-89 computers. Add 64 input/output ports plus a Centronics-type printer interface. Est. cost: $80. Build a printer buffer with 64K bytes of RAM. Est. cost: $150. Build a parallel printer port I/O interface that lets you use a PC printer port for more than just printing. Cyber Print. Make an adapter to run a parallel-interface printer from a serial port. Est. cost: $90. Cyber Switch. An automatic printer selector allows you to select between two printers from inside your programs. Est. cost: $90. Bidirectional parallel port operation. How to make your PC's parallel printer port receive as well as send data. Cyber Key. Cybernetic key attached to the serial port on your computer performs several functions (limits outside access, provides data encryption, generates CRC and FEC codes for long-distance and wide-area networks, and converts printer control codes). Est. cost: $70. How to match a 600-baud TRS-80 Color Computer to a 300-baud printer using this hardware interface. RTTY interfaces. An overview. Looks at current loop, voltage loop, neutral loop, polar loop, RS-232, and TTL. How to adapt the TU-II c.w./RTTY interface (Nov.1982) to work with the VIC-20 and Commodore 64 computers. How to interface older RTTY terminals which utilize a loop supply to computers. Build a serial printer multiplexer which lets you connect as many as four computers to the same serial (RS-232) printer. Est. cost: $89 (kit). Printer spooler/buffer (up to 64K) with automatic T-switch to serve more than one computer. Built around an 8031 microcontroller and handshakes with Centronics-compatible parallel printers and ports. Printer-Minder. Inexpensive controller applies power to a printer whenever it receives a print request. Power is removed if no printing is done for one hour. Est. cost: $149 (kit). Universal serial printer adapter. Match your computer to budget-priced printers and also get a printer buffer. Adapt Radio Shack's Color Computer serial-to-parallel printer adapter to match almost every computer RS-232 serial I/O to a Centronics-type printer. Parallel printer interface for the Sinclair ZX-81 computer allows use of "Centronics-type" printers. Est. cost: $20. Printer buffers. How they work and what is available. Build your own printer spooler/buffer. Combination 64K print buffer and automatic T-switch lets two computers share one printer. Super terminal. Interfacing the Burroughs 9350-2 keyboard-printer to a microcomputer so that the computer thinks it is a teletype (TTY) and standard TTY I/O routines can be used. The modification allows for both parallel and serial (RS 232C) interfaces to be used. The Burroughs machine is the same as the Friden TM20K714. How to interface a Baudot five-level code teletypewriter to the Heathkit H8 microcomputer. Both hardware and software required are described. ASCII to Baudot, the hard way. A report on constructing a kit from Mini Micro Mart which converts parallel ASCII to serial Baudot for driving an old teletype. Includes several corrections to the circuit and assembly instructions which come with the kit. Baudot interface cookbook. How to build a simple interface and write a 500 byte program to interface any Baudot teleprinter to an 8080 microcomputer. How to interface the Telpar PS-40 thermal printer to a KIM-1 microcomputer. Baud rate control for the SWTP. A control box with a switch allows you to select either 110 or 300 baud. Useful when running a slow printer (TTY) and a faster video or cassette on the same system. How to interface the Telpar PS-40 thermal printer to an Apple II. A look at three TRS-80 peripherals: Expansion interface, line printer, and disk drive. How to interface a Singer Friden HSP-30 or Sanders 3110 30 cps printer to an SWTP 6800 computer. Adding a teleprinter output control to a TRS-80 Level II computer. Does not require expansion interface. Uses the LPRINT and LLIST command to operate. Build this interface circuit to connect the parallel port of a SORCERER microcomputer to a model 33 Teletype. Make PET hard copy easy. Interface ASCII or Baudot printers to PET's IEEE bus using this interface. Est. cost: $50. An inexpensive TRS-80 printer interface. User's review of the TRS-232 printer interface available from Small System Hardware company. Est. cost: $50. ASCII-to-Selectric software driver. Convert ASCII 7-bit code into IBM 6-bit code (either EBCD or Correspondence). Use this program and a simple TTL-to-RS-232 interface to drive a Selectric printer. A Pentronics system. Simple interface circuit connects a PET computer to a Centronics 101 printer. Est cost: $10. TRS-80 printer interfaces: Serial and parallel designs. Save $200 or more by constructing your own interface circuits. A printer for the KIM-1 or SYM-1 computer. How to interface an IBM Selectric I/O terminal to almost any microcomputer with an eight-bit output port and an on-board timer. Both hardware and software instructions included. Profile of the Escon interface that converts a Selectric typewriter to a computer printer. A set of solenoids and associated electronics will convert the unit for either RS-232 or parallel operation. Estimated cost: $550 + typewriter. Interfacing a Diablo HyType I to an SWTP 6800. Hardware and software are presented for a parallel interface. Fast Apple peripherals. How to interface high-speed serial printers to the Apple II. How to add handshaking to Apple's communication card or high-speed serial interface card. Modify the SWTP MP-S board to interface to the Heath H14 line printer. Homemade printer interface circuit attaches the Heath H14 line printer to the SWTP 6800 computer. Tip: How to connect up to 13 PET computers to the same printer and/or disk drive. How to interface the Heath H14 printer to the PET computer. Profile and evaluation of the Robotype 2001 which converts any electric typewriter into a computer printer. It consists of a unit which sits over the keyboard and uses plungers to "type" the keys. Printer interface for the Heath H8 computer. How to build your own serial interface for the Integral Data Systems IP-225 line printer. Printer interface for the Heath H8 computer. How to build a parallel interface for the Integral Data Systems IP-125 dot matrix line printer. Hard copy for the OSI Challenger. Simple modification accommodates both hard copy and cassette I/O for the Challenger IIP. Energize those OSI peripheral ports. Hardware modification for the C1P or Superboard II readies your system for a printer or modem. Est. cost: $20. How to attach a parallel printer to a PET computer by means of the "PIE" parallel interfacing element made by Lemdata Products. Includes tips on use and modifications. Inexpensive interface (83 cents) used to control peripherals with a serial input port. TTL-to-RS232 driver circuit and software needed to drive a Selectric printer with a 6502-based system. Do-it-yourself interface attaches a Centronics-type (parallel) line printer to your Heath/Zenith-89 computer. TRS-80 printer for the PET. Make a ten-wire cable to interface the Quik Printer II to the PET 2001 using this program that resides in the second cassette buffer. How to interface the Integral Data Systems IP-225 dot matrix printer to the TRS-80 Model I line-printer port. How to interface the Integral Data Systems IDS-440 Paper Tiger dot matrix printer to the Exidy Sorcerer computer and use it to output graphics. Program included in Micropolis 8080/85 assembly language. Serial interface board for the Epson MX-80 printer. Est. cost: $10. Simple interface circuit attaches an ASR33 teleprinter to a VIC-20 computer. How to interface a printer to the joystick ports of an Atari computer. How to interface the Epson MX-80 printer to the VIC-20 computer by constructing a simple RS-232 interface for the user port. How to interface the VIC-20 computer to an Epson MX-80 via a parallel interface using the VIC's user port. Build a parallel printer interface that allows the Epson MX-80 printer to be used with the North Star Horizon computer. Est. cost: $20. Build an expandable spooler for your parallel port printer. Buffer size can vary from 2 Kb up to 60 Kb. Est. cost: $70-$200. 64K printer buffer incorporates a Z80 microprocessor. Est. cost: $50. A cassette-to-RS232 adapter for Radio Shack Color Computers. Connects a printer to the cassette port of CoCo computers and doubles the number of available serial ports. New life for Sinclair/Timex computers. How to convert a Sinclair ZX81 or Timex-Sinclair TS1000 into a programmable printer buffer. A printer multiplexer lets two computers share a single printer. Only one computer may send data at a time. Circuit designed for use with the Centronics parallel printer interface. A simple interface and software make it possible to connect the Radio Shack "Pocket computer" (same as Sharp PC-1211) to the larger TRS-80 Model 1 computer. Enables you to get full-size printouts of pocket computer programs. Est. cost: $50. Printer Sentry. A easy-to-build project displays all the signals on a parallel data link. Appropriately labeled LED's can be used to monitor the status of a remote printer. Computer interface for an IBM Selectric printer. Part 1. Computer interface for an IBM Selectric printer. Part 2. Software required to drive the interface and printer. Written in TRS-80 BASIC. Build this interface/buffer and use your IBM typewriter (Selectric models II or III, or Electronic models 50, 60, or 75) as a computer printer. The 30K buffer can be used with typewriter or any parallel printer. Part 1. Build this interface/buffer and use your IBM typewriter as a computer printer. Part 2. Build this interface/buffer and use your IBM typewriter as a computer printer. Part 3. Printer delay for the Commodore 64 allows the "Card" printer interface to work with the newer Commodore models. It works by delaying the power to the "Card" interface by 6-10 seconds. Parallel-to-serial printer interface will allow you to interface a Centronics parallel output to an RS-232 serial printer. Buffer/converter for your printer. A 64K printer buffer that is also a parallel-to-serial and serial-to-parallel converter. May also be expanded to program EPROMs. Part 1. Buffer/converter for your printer. Part 2. Using and adding the EPROM programmer assembly. Build a serial printer multiplexer. Share your serial printer with up to 4 computers. Est. cost: $89. How to interface Teletypewriters to microcomputers for use as inexpensive printers. | |||||||||
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