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GEOS Source Code from Todd Elliott

(last updated 2022-11-01)
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In April 2022, Todd Elliott sent me some of his GEOS source code so that others could learn from it. You can find that code here, along with some comments from Todd.

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geoWrite 2.2 diskette

(images courtesy Bruce Thomas)
geoPublish 1.1 diskette

Todd is already represented in the geoSpecific collection, and the first project here is featured on that page. "DotView is a Wheels-only (GEOS) program that can view 4-Bit files generated by GoDot and ConGo"... but now we have source code!

dotView.zip


These are some patches for geoWizard. Todd says "In the .zip file, I include a disassembly of geoWizard and my patch code. I even found an easter egg. Eventually, I abandoned the idea of modding geoWizard any further." The disassembly alone is fascinating.

geoWizard.zip


Here's Todd's "geoWrite 2.2" patch: "Enclosed in the .zip file is source code for my geoWrite patch to have four-drive support, Wheels support, REU support, etc. I can’t locate an .cvt of geoWrite v2.2 that has already been patched."

geoWriteUpgradeSource.zip


This is a similar "geoPublish 1.1" patch: "It has the usual goodies, i.e., 4 drive support, REU support, Wheels OS, JPEG/EPS/PS support (w/ Laser Lovers), etc."

geoPub.zip


Last but not least, we have the "Commodore Currents" magazine, "created by my geoPublish upgrade and Wheels OS. I wanted a showcase on how people can create a slick, nice looking publication straight out of Commodore GEOS... Also contains source code for ‘Wallery’, an informal hack of Wheels OS Dashboard to support background images." This file contains three issues in PDF format, so you don't have to dig out all the tools to generate them yourself. They're such good examples of what can be done with geoPublish and the associated tools that I've also broken them out individually for your browsing pleasure.

CCurrents.zip

Commodore Currents #1 - The SuperCPU can FLI!
Commodore Currents #2 - GoDot: In The Eye Of The Beholder - A Review.
Commodore Currents #3 - VICE and Wheels OS - How To. Plus, a Wheels Wallery!