Schematics, subroutines, etc.

Apple 1 Cassette Prototype

Apple 1 Cassette Interface Rebirth

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Apple IIe Technical Service Manual

This is a 63 page document on repairing your Apple IIe.

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Floating Point Routines for the 6502

Yet another document on Floating point routines by Steve Wozniak.

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Replica 1 Schematic

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

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ASCII Hex Equivalents

Program to print ASCII HEX equivalent of any keyboard character

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Processor Section Resdesign (ps)

This is a redesign of the Apple I processor section.

Done in XCircuit.

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Processor Section Redesign (ps)

This is a redesign of the Apple I processor section.

Done in XCircuit.

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GetChar.asm

This subroutine loops until a key is pressed, then loads its ASCII value into the accumulator. It is not dependant upon the Apple I's ROM. KbdRdy and Kbd are in the 6821.

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