Floodgap - Retrotech Development

Floodgap Retrotech Development is Floodgap's collection of tools and software for and from retrocomputing development. Floodgap software is released in open source and binary forms for many platforms under multiple license agreements, including the GPL. Please read the license for each package before using.

For other software packages offered by Floodgap, see the Software section.

If you are looking for our classic computing section, try Floodgap Retrobits.

  • Cross-Development

    • xa 6502/R65C02/65816 crossassembler for Unix/DOS/Atari/Amiga (last update 10 Jul 2014) -- A high-speed cross-assembler system for most Unix systems (including *BSD, Linux, OS X), DOS, Amiga and Atari computers. Includes linker utilities, documentation, and support for Rockwell CMOS and Western Digital '816 variants. GPL open source.

  • Software for Retrocomputing Platforms

    • Commodore Software

      • Small vi Clone for Commodores (svicc) (last update 15 Feb 2003) -- An extended subset of nex/nvi for the Commodore 64 and most Commodore 64 emulators. Features built-in documentation, along with instructions for configuring svicc as a standalone document viewer. Freeware.

    • Classic and Power Macintosh Software

      • Classilla, Building A Secure Web Browser for the Classic Mac OS (last update 28 Oct 2014) -- Classilla is an attempt to bring a supported, updated web browser back to classic Power Macintosh systems running MacOS 8.6 or MacOS 9 and above using open-source Mozilla code. Written by and for classic Mac users. Mozilla Public License open source.

      • 3C589/EtherLink III Driver for Macintosh PowerBooks (last update 9 Jun 2008) -- A MacOS extension for most NuBus-based PowerBooks allowing 3Com EtherLink III Ethernet cards to be used for networking. Includes compatibility matrix, workarounds, and additional utilities. This is a hacked version of a Farallon driver, and is not officially supported by Farallon. Offered as freeware, as is.

      • SieveAhl Simple Macintosh 68K Benchmark (last update 23 Sep 2002) -- A simple benchmark for 68K based Macintoshes running virtually any System or MacOS version to evaluate integer and CPU performance. Also of limited value for Power Macintoshes, but see the disclaimer. Partial source available, with annotations. Freeware.

      • Copperweb, A Self-Hosting Mac HTTP Proxy (last update 9 May 2011) -- If you can't fix your browser, fix your browser's input. Try Copperweb as a proof-of-concept to shore up browser support on classic Macs and A/UX. BSD open source.

  • Emulators/Simulators

    • The KIM-1 Page and the Amazing KIMplement (last update 7 Jan 2007) -- Information on the Commodore and MOS Technologies KIM-1, a 6502-based 1970s single-board computer. Also includes the KIMplement, a partial emulation of the KIM-1 in software for the Commodore 64 and most Commodore 64 emulators. FFSL-licensed freeware.

    • The Little Orphan Tomy Tutor (last update 6 Jul 2014) -- An homage to and growing information resource about the orphaned Tomy Tutor, including its history in Japan, the UK and the USA; programming information; photographs; and technical references. Also includes the Tutti simulator for the Commodore 64 and most Commodore 64 emulators.

  • Classic Computing Environments

    • Floodgap's Power MachTen Hacking Page (last update 5 Aug 2009) -- Run Unix on a Mac without OS X, under OS 9! Look at Power MachTen, an "inside-out" Unix running Mach natively as a VM under the classic Mac OS. Learn how to compile packages and patch it up to modern standards, and even roll your own web browser.

    • Installing A/UX (last update 15 Apr 2012) -- One man's installation document -- YMMV. Under construction with more resources to come.

  • Just For Fun

    • The Woz iBook (last update 20 Nov 2005) -- Yes, Virginia, there *is* a Woz iBook. And I felt just like bragging outrageously.

Copyright 2000-2014 Cameron Kaiser.
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