simon-frankau/excel-ray-tracer

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Created almost 11 years ago
Updated about 1 year ago

simon-frankau/excel-ray-tracer

simon-frankau

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Simple ray-tracer written in function-mode excel

galette

A GAL assembler, largely galasm-compatible and written in Rust.

mock-a-mockingbird

My answers to Raymond Smullyan's "To Mock a Mockingbird" combinator puzzles, including a solver in Haskell

head-over-heels

A reverse-engineering of the classic isometric ZX Spectrum game "Head Over Heels"

radiosity

Simple radiosity renderer, generates a basic scene

speedball2-re-amiga

A reverse-engineering of Speedball 2 for the Commodore Amiga. Based on my reversing of the Sega Megadrive (Genesis) version.

toy-tcp

Toy implementation of a TCP/IP stack

big-classic-mac

Work to enable a Classic Mac (24-bit 68000) with ~16MB of RAM.

keyboard-build

Notes on building my own keyboard, based on the "Phantom" design.

floppy-decode

Decode the sectors of a floppy disk from a digital oscilloscope trace of the floppy drive data line

acorn-a680

Information about some Acorn A680 main boards that I have.

speedball2-re

A reverse-engineering of Speedball 2 for the Sega Megadrive

rediscovering-tomography

Reinventing tomographic reconstruction from scratch

teensy_simm

Use a Teensy to exercise a 30-pin SIMM, investigate the DRAM decay behaviour

dirac

A simple Z80-based single-board computer

teensy_oled

Drives a SSD1306-based OLED 128x32 display with a Teensy 2.0

sphere-tracer

Very simple ray-tracer to produce pictures of shiny spheres

monoid-gen

Generate the free idempotent monoid for 3 letters

dipstick

Creates stickers that go on DIP ICs to aid breadboarding.

wordle-solver

Code to brute-force Wordle solutions

two-generator-idempotent-rigs

Count the number of elements in free idempotent rig on two generators

dumb-vga

Hardware to generate a simple VGA-like video display using little more than a memory chip and counters

bowman

Manuals, schematics and ROMs for the Sherwood Data Systems Bowman 68000-based single-board computer.