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.

Read our regular blog at Old Vintage Computing Research.

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 5 Mar 2024) -- 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.

    • Plua Revisited: Lua 5.0.3 for Classic Palm OS (last update 20 Aug 2022) -- Plua was a port of Lua 5.0.3 to the classic Palm OS, lost since the primary source for it was removed. Now not only is the onboard Palm version and runtime available again here, but also ports of its "cross-compiler," including our original one to PowerPC Mac OS X plus new ports to several modern 64-bit platforms. Documentation and example code are provided. MIT open source.

  • Software for Retrocomputing Platforms

    • Commodore Software

      • Small vi Clone for Commodores (svicc) (last update 15 Mar 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

      • 3C589/EtherLink III Driver for Macintosh PowerBooks (last update 14 Nov 2020) -- 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.

      • MacLynx "Resurrected" (last update 20 Aug 2023) -- A mirror of the old MacLynx site with patched-up "unofficial" releases. GPL open source.

      • 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 27 Apr 2024) -- 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 18 Mar 2024) -- 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 II emulator for Mac OS X 10.4+.

  • 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 29 Jan 2023) -- 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 2000-2024 Cameron Kaiser.
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