Apple 1 Cassette Interface Rebirth
This is a 63 page document on repairing your Apple IIe.
Yet another document on Floating point routines by Steve Wozniak.
This is a schematic of the replica 1 in pdf format.
Program to print ASCII HEX equivalent of any keyboard character
This is a redesign of the Apple I processor section.
Done in XCircuit.
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.