Published inMachina SpeculatrixHomebrew computing: address decoding basicsThe CPU in your homebrew computer needs to talk to other chips. This is how it’s done.2d ago2d ago
Published inMachina SpeculatrixFirst steps to building a homebrew computerNot all computers are alike. And yours can be very special indeed.Jun 11Jun 11
Published inMachina SpeculatrixLEAPS Elliott 405: 1950s big ironA small treasure trove of documents gives a taste of computing the old-fashioned mainframe way.May 31May 31
Published inMachina SpeculatrixAVR Basics: more fun with interruptsInterrupts allow peripherals to tell a microcontroller that they need its attention. And they are surprisingly easy to use.May 27A response icon3May 27A response icon3
Published inMachina SpeculatrixLost software: Emerald Bay databaseEven very recent technology can be quickly lost to time and become little more than a dim memory.May 25A response icon1May 25A response icon1
Published inMachina SpeculatrixZolatron: A homebrew computer of my ownThere’s no better way to understand computers than to design and build one of your own. All you have to do is go back in time.May 23A response icon4May 23A response icon4
Published inMachina SpeculatrixFun with chips: SN76489 sound generator ICAudio is an important component of a computer’s power. And producing sound can be surprisingly simple.May 20A response icon1May 20A response icon1
Published inMachina SpeculatrixDebouncing fun with Schmitt triggers and capacitorsThe humble switch is a treacherous device that needs to be tamed.May 14A response icon9May 14A response icon9
Published inMachina SpeculatrixFun with chips: MC1441 bit rate generatorPlaying with the technology of the past gives you a deeper understanding of how it works, and an appreciation for what we have today.May 7A response icon4May 7A response icon4
Published inMachina SpeculatrixA beginner’s experience of CUPL and CPLDsMaking your own logic chips has a lot to recommend it. You just need to get to grips with the language.Apr 28A response icon2Apr 28A response icon2