shirriff

Ken Shirriff's repositories

xc2064

Reverse engineering the XC2064 FPGA

Language:JavaScript70 7 4

ibm-system-360-50-simulator

Simulator of an IBM System/360 Model 50

Language:JavaScript46 60

virtualagc

Virtual Apollo Guidance Computer (AGC) software

Language:AssemblyNOASSERTION20 40

z80-notes

Notes on the internals of the Z-80 chip.

18 20

ul914

A printed circuit board representation of the Fairchild μL914 dual-input NOR gate

MIT16 40

alto-ethernet-interface

Interface to Xerox Alto's 3 Mb/s Ethernet

Language:CAGPL-3.015 30

GBC-audio-chip

Reverse-engineered schematics for the IR3R53 audio amplifier chip used in the Game Boy Color

13 50

rope-simulator

Documentation of a core rope memory simulator for the Apollo Guidance Computer

Language:C9 40

DAA

Investigation into the x86 DAA (Decimal Adjust after Addition) instruction

Language:Python5 20

apollo-ranging

Generates the Apollo spacecraft ranging code using a Teensy

Language:C++4 30

1402-schematics

IBM 1402 card reader schematics

3 20

beepomatic

Circuit boards to beep out the backplane in the Apollo update test box

Language:Python2 30

kicad-symbols

Official KiCad schematic symbol libraries for Kicad 5

Language:CMakeNOASSERTION2 20

tcs

Book in preparation: introduction to theoretical computer science

NOASSERTION100

yamaha_dx7_rom_disassembly

Yamaha DX7 Firmware ROM annotated disassembly.

Language:Assembly1 20

arduino-kicad-library

KiCad Symbol & Footprint Library for Arduino Modules (Shields, Sockets and Tiles)

CC-BY-SA-4.0000

designwithfontforge.com

A book about how to design new typefaces with FontForge

Language:HTML000

dexed

DX7 FM multi plaform/multi format plugin

Language:C++GPL-3.0020

FriendsDontLetFriends

Friends don't let friends make certain types of data visualization - What are they and why are they bad.

MIT000

h800

Tools for the Honeywell H-800 family of mainframe computers of the 1960s (H-800, H-1800, etc).

Language:PythonGPL-2.0020

i2c_adc_ads7828

Arduino library for the Texas Instruments ADS7828 12-bit, 8-channel I2C A/D converter

Apache-2.0000

IFS

An implementation of the Xerox IFS protocol suite

Language:C#AGPL-3.0020

LegoMicroscope

To learn about optics and microscopy, we generated a simple to build lego microscope that does not need precision optics and 3D printed parts.

CC-BY-SA-4.0000

music-synthesizer-for-android

Automatically exported from code.google.com/p/music-synthesizer-for-android

Apache-2.0000

opencv

Open Source Computer Vision Library

Language:C++NOASSERTION020

PCA9634

Arduino library for PCA9634 I2C 8 bit PWM LED driver, 8 channel.

Language:C++MIT010

Pillow

The friendly PIL fork (Python Imaging Library)

Language:PythonNOASSERTION020

prjxray

Documenting the Xilinx 7-series bit-stream format.

Language:PythonISC020

PRUCookbook

This is a cookbook of the Programmable Realtime Unit on the BeagleBoard

Language:Shell000

putting-the-you-in-cpu

A technical explainer by @kognise of how your computer runs programs, from start to finish.

Language:MDXMIT010