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: May 2013

Refactored how PC works

May 5, 2013April 29, 2018

Refactored all the microcode instructions and their unit tests so that PC now equals the instruction currently being executed, and not the memory location after that. Implemented push16.pc and its unit test and everything works as intended. Next step will […]

sen Design Log

Started working on pushing PC

May 4, 2013April 29, 2018

Reworked PUSH into push8.imm and push8.? (for future implementation of other non-immediate push8s). Implemented push16.imm and push16.? including their unit test and register transfer diagram. Started working on push16.pc, but ran into an issue where PC is incremented within FETCH, […]

sen Design Log

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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