CPUdev wiki cpudev_mediawiki https://cpudev.org/wiki/Main_Page MediaWiki 1.36.1 first-letter Media Special Talk User User talk Cpudev Cpudev talk File File talk MediaWiki MediaWiki talk Template Template talk Help Help talk Category Category talk 0 1 41 12 2025-06-21T14:09:38Z Immibis 1 41 wikitext text/x-wiki <!-- Box concept copied from osdev wiki, which probably copied it from Wikipedia --> {| style="width: 100%; text-align: center; background-color: #fff7f2; border: solid 1px #ffddc6; margin-bottom: 14px;" | | <p style="font-size: xx-large; margin: 0;">Homebrew CPU Wiki</p> This main page is mostly a placeholder for now.<br> To get editing permission, create an account and send a private message to immibis on IRC - irc.oftc.net |} {| style="width: 100%;" | | style="vertical-align: top;" | <!-- Left side: tutorials. Starting from the top (and skipping irrelevant ones) should get a new person going in a useful direction, kinda like a tutorial. More experienced people can go farther down the list. At some point it can split into branches --> {{Box|title=Getting started| Essential knowledge: * [[Introduction to digital logic]] * [[Binary arithmetic]] * [[How a computer works]] Designing and simulating a CPU: * [[Getting started - Logisim]] * [[Getting started - FPGAs]] Building a CPU in real life: * [[Electronics primer]] * [[Getting started - logic chips]] * [[Getting started - transistor circuits]] * [[Getting started - relay circuits]] }} {{Box|title=Basic CPU design| Important design considerations: * [[Programmer's model]] * [[Harvard vs Von Neumann]] * [[RISC vs CISC]] * [[Number of bits]] Hardware design: * [[Instruction encoding]] * [[Data path]] * [[ALU]] * [[Control unit]] }} {{Box|title=Software| * [[Emulator]] * [[Assembly language]] * [[C language]] * [[Forth language]] }} {{Box|title=Advanced topics| Instruction set extensions: * [[Exceptions and interrupts]] * [[Floating-point unit]] * [[Virtual memory]] Performance tricks: * [[Instruction prefetching]] * [[Pipelining]] * [[Branch prediction]] * [[Data cache]] * [[Out-of-order execution]] * [[Register renaming]] }} | style="vertical-align: top; padding-left: 10px;" | <!-- Right side: various reference information, try to order by put most-widely-applicable stuff at the top --> {{Box|title=Logic references| * [[Relay logic]] * [[Logic level reference]] * [[Logic chip reference]] }} {{Box|title=External interfaces| * [[UART]] * [[I2C]] / [[SPI]] * [[VGA]] * [[PS/2]] (mouse and keyboard) * [[Ethernet]] * [[USB]] }} <!-- looking pretty unbalanced! More stuff needed here --> {{Box|title=CPU projects| * [https://www.bigmessowires.com/bmow1/ Big Mess of Wires] * [http://www.homebrewcpu.com/ Magic-1] * [http://megaprocessor.com/ Megaprocessor] * [https://monster6502.com/ Monster 6502] * [https://relaycomputer.co.uk/pages/overview.html Paul Law's relay computer] * [http://zipcpu.com/about/zipcpu.html ZipCPU] }} |} 80dtzx7bokgb0xi60gyc10pzqrkrr1v