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6502

6502 Assembly source files, utilities, bits and bobs. Mostly Apple II.

6502-qr-code-generator

A simple DASM assembler library for creating small QR codes

8bitcoin

Mining Bitcoin on an Apple II

a2qr

altair-basic

Micro-Soft Altair BASIC 3.2 source

apple-80

Intel 8080 emulator for Apple II

bdc-6500

ROMs and other information gathered from a customized KIM-1

covidmap

Automatically generated SVG US county maps of COVID data

diary

A YOUNG GIRL'S DIARY Prefaced with a Letter by Sigmund Freud

door

Door sign for KansasFest 2017

dropblocks

Simple block-dropping games for Apple II

dsk-images

Python script to convert DSK into PNG image of the binary data.

ecopro

Examination of an EcoPro EEPROM

flyover

KansasFest 2020 HackFest entry: Low Res 3D Grand Canyon Flyover

gp2io

GP2IO board for Apple II, presented at KansasFest 2016

greenscale

low res monochrome experiments for Apple II

grue

Inform7 text adventure, interactive fiction game. You are a grue.

jumpyguy

Low Res game for the Apple II, programmed in 6502 assembly

ksynth

Beginnings of a dual tone synthesizer for the Apple II

lnw-80

Documentation and ROMs for the LNW-80, a TRS-80 clone computer from LNW Research Corp.

minesweeper

a small minesweeper game for Apple II, built in 6502 assembly

octopede

A low-res Centipede-like game for Apple II

omnivore

Hex editor and more, sponsored by the Player/Missile Podcast

oup-m

Source for OUP/M - a CP/M-like operating system for 6502

pressurepaint

Demonstration and example code for PressurePen support - see http://pressurepen.net

pressurepen

Documentation and instructions for the open source hardware PressurePen project.

py65

Emulate 6502-based microcomputer systems in Python

rain

Low res falling rain animation for Apple II, in 6502 assembly

retroconnector

RetroConnector series of open source adapter boards for Apple || series computers.

rollingdemo

A mixed display mode demo for the Apple IIe, written in 6502 Assembly