Development Tools

GetFileExists XFCN 1.5

GetFileExists takes one parameter, the pathname of the file to check. It
returns true or false telling whether the file exists or not.

This external is free for purely personal use. A license fee of $10.00
is required if you use this external in any...

GetFolder XFCN 1.3

GetFolder ( [] ) is an XFCN which will present a standard file
selection dialog containing only folders. Path is optional and will point
the dialog at a specific folder and override the "Documents" setup in the
General Controls Control Panel in...

GetFontManager XFCN 2.5

GetFontManager takes no parameters. It returns information about the
Font Manager. Item 1 is true if outline fonts are supported.

This external is free for purely personal use. A license fee of $10.00
is required if you use this external in any

Floating Point BASIC for the Replica I

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

A 6502 Disassembler from Apple

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

Floating Point Routines for the 6502 by Roy Rankin and Steve Wozniak

Originally published in the August 1976 issue of Dr. Dobb's Journal, these
floating point routines allow 6502 users to perform most of the more popular and
desired floating point and transcendental functions, namely: Natural Log, Common
Log, Addition, Subtraction, Multiplication, Division, and conversions between
floating and fixed point numbers.

Apple II Computer Technical Information / History

This document is a PDF printout of a web page with the prices and configurations of Apple II systems from June 1977. There is also a pictures section at the end.

Apple II Programmer's Aid

Apple Document 030-0026-01 (114 Pages)


This is a figFORTH 1.1 port originally distributed by W. F. Ragsdale for the Rockwell AIM65 back in the late seventies. Will has taken this listing and made a port to the Apple I/Replica I, resulting in a powerful programming environment for experimentation or computer control applications. FORTH is still popular today and is found in such diverse applications as embedded controllers and PDA's to NASA applications on the Space Shuttle! Written in machine code.

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