Apple I, Schematics, subroutines, etc.

Apple-1 Multiplexer Gerber

This is the gerber file for the Apple-1 Keyboard Multiplexor.

Signetics 2519

This is the Signetics 2519 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 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

Floating Point Routines for the 6502

Yet another document on Floating point routines by Steve Wozniak.

Replica 1 Schematic

This is a schematic of the replica 1 in pdf format.

ASCII Hex Equivalents

Program to print ASCII HEX equivalent of any keyboard character

Processor Section Redesign (pdf)

This is a redesign of the Apple I processor section.

Processor Section Resdesign (ps)

This is a redesign of the Apple I processor section.

Done in XCircuit.

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