ECLair

Custom ECL CPU

  • About ECLair
  • System Overview
  • Microcode & Control Store
  • Instruction Set
  • Registers
  • Paging Subsystem
  • Expansion/Extension Slots
  • Work Log
  • About ECLair
  • System Overview
  • Microcode & Control Store
  • Instruction Set
  • Registers
  • Paging Subsystem
  • Expansion/Extension Slots
  • Work Log

Month: November 2024

Work on (page) faults in progress

November 18, 2024November 23, 2024

Paging was implemented way back near the beginning of the project, but page faults hadn’t been implemented yet. This seemed like a good next thing to work on, so I started looking into it today. I last looked at this […]

sen Design Log faults, paging

DMA implemented, and many bugs fixed along the way

November 17, 2024November 17, 2024

I started working on DMA support and got it most of the way there, but then some of my tests were acting weird. After digging into things with GTKWave a bunch it looked like both 16-bit loads and stores were […]

sen Design Log dma, load-store, microcode

Work Log

  • November 2024
  • August 2024
  • November 2022
  • May 2021
  • November 2020
  • July 2019
  • April 2019
  • November 2018
  • October 2018
  • May 2018
  • April 2018
  • March 2018
  • July 2017
  • December 2016
  • July 2015
  • June 2015
  • June 2014
  • May 2014
  • December 2013
  • May 2013
  • February 2013
  • January 2013
  • December 2012
  • November 2012
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