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16 Results for "stebus"

  • STEbus 68008
  • Details     from STEbus 68008
  • Dmitry Janushkevich has used this project as the basis for a new design with bigger memory chips, a real-time clock, and on-board bus arbiter. Check it out on Twitter: https://twitter.com/InfoSecDJ/status/1346532012535009282and GitHub: https://github.com/dev-zzo/stebus...

  • STEbus system controller
  • Details     from STEbus system controller
  • Features:Voltage monitors for 5V, 12V and -12V supply railsLCD interfaceSTEbus arbiterCentronics printer interfaceThese features allow the board to monitor bus health, display it, and record it on a printer. It can reset the system and switch an alarm...

  • STEbus FPGA board
  • Details     from STEbus FPGA board
  • I started this page as a placeholder in 2018, but lacked the time to implement it. In 2021 Benoit told me  that he had implemented such a project. Glad to see my evangelical work has encouraged others to adopt STEbus!The project so far is Benoit's...

  • 6803 based computer
  • Details     from 6803 based computer
  • The MC10 is based on the 6803 and the 6847.  The 6803 is a 6800 with extra i/o and instructions. The  MC10 firmware uses the extra instructions often. I used a 6811 assembler and made a file that assembles but I have not checked to output against...

  • STEbus Z80 and FDC
  • Details     from STEbus Z80 and FDC
  • One of the first boards, it aimed to provide a full CP/M development system. It was found that customers would develop programs on bigger machines, and wanted very simple Z80 boards for putting into control systems. I'm not sure where I want to go with...

  • STEbus Advanced Colour Graphics
  • Details     from STEbus Advanced Colour Graphics
  • The SG84 is a fast, high resolution colour graphics board. It contains an advanced display controller and a powerful graphics-optimised processor in a single chip, the Hitachi 63484 ACRTC.  The graphics processor uses hardware and microcode to perform...

  • STEbus
  • Details     from STEbus
  • Introduction In 1986, my first boss said "Designing your own computer is a mug's game. You spend ages designing it, even longer debugging it, and end up with a computer nobody else has. So then you have to write your own software, and that takes...

  • STEbus Z180 board
  • Details     from STEbus Z180 board
  • The Zilog ZS180 seems to be the last member of the 64180 family in active production.  For 33MHz clock max:3 clocks per memory cycle = 11  MHz cycle rate. 3 clocks per instruction = 11 MHz instruction rate (one opcode). 6 clocks per...

  • STEbus I/O prototyping board
  • Details     from STEbus I/O prototyping board
  • The circuit shows how simple it is. Technology has progressed so much that one can easily fit a megabyte of RAM on a processor board for less than the cost of a DIN41612 connector. Graphics cards are memory mapped, but these days most people have a PC...

  • STEbus 8255 Parallel I/O
  • Details     from STEbus 8255 Parallel I/O
  • At first sight,  parallel digital I/O seems simple and straightforward. You make a board with 40 lines of I/O and cable it to a 40-channel signal conditioning board. Some people needed more, and that doubles the boards and cabling. One can try making...

  • STEbus backplane
  • Details     from STEbus backplane
  • Any fool can invent a bus, and many have. It isn't as simple as most people think, because as wires get longer they start behaving like transmission lines. Signals take time to travel, and bounce back from the end of wires. Wires act like antennae,...
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