Apple I

Signetics 2513

This is the Signetics 2513 datasheet for the video section of the Apple 1. Very hard to find. A guy named Hans Otten scanned it from his personal databook he had from the 70s when he made his own video terminal.

Signetics 2504 Datasheet

This is the Signetics 2504 datasheet for the video section of the Apple 1. Very hard to find. A guy named Hans Otten scanned it from his personal databook he had from the 70s when he made his own video terminal.

Apple 1 Cassette Prototype

Apple 1 Cassette Interface Rebirth

Microchess for the Apple I

The original chess game for a microcomputer, written in 1976.

Floating Point BASIC for the Replica I

This Enhanced BASIC is adapted from Lee E. Davidson's version for thr 6502 chip.

Replica 1 Firmware

This is the firmware for the replica 1. Contained are 3 .asm files which can be viewed with a text editor. This is the firmware code used for the video, ps/2 decoder and serial I/O board. This software is for personal use only and maynot be used for commercial use without permission.

Floating Point Routines for the 6502

Yet another document on Floating point routines by Steve Wozniak.

A 6502 Disassembler from Apple

The 6502 Disassembler written by Steve Wozniak and Allen Baum for the Dr. Dobbs Journal.

Mastermind - A Number Game for the 6502

The game "Mastermind" written by Steve Wozniak for the Dr. Dobbs Journal. The game source code listings will work on the Apple I, as stated by steve in the article.

Apple Partnership Agreement

The birth of Apple! This is the partnership agreement between Steve Jobs (45%) Steve Wozniak (45%) and Ronald Wayle (10%).

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