Month: July 2012

Retro Computing Roundtable
Computers

RCR Episode 30: Live from KansasFest 2012

July 21, 2012 Retro Computing Roundtable

Panelists: David Greelish (Hosting), Earl Evans and Carrington Vanston Topics: Live from KansasFest 2012 Acorn Archimedes turns 25 Clamshell! The Greatest Computing Form Factor of All Time Dynamac Vintage Computer Festival Southwest 3.0 Retro Computing Gift Ideas: Carrington: 8-Bit Glasses David: Tin Robot 2008 …

Blogs

Big Reveal

July 29, 2012 John Linville

I think we have had enough background now.  Let’s move on to see what our efforts have brought!

Mixing It Up
The basic idea is to use two video modes to display somewhat different versions of the same original image.  By alternating between these two images, we should produce an image that …

Blogs

Palette Redux

July 27, 2012 John Linville

In the previous couple of posts, we have discussed how to drive the CoCo’s VDG to display 8 on-screen colors even when using the VDG’s 4-color graphics mode.  This has yielded a substantial improvement in the quality of “real life” images converted for display on the CoCo, but the results …

Blogs

Pick A Color

July 26, 2012 John Linville

Putting more colors on the screen is great, but it should be clear to the reader that there are certain rules that must be followed in order to make it possible to use those extra colors.  If we were to draw a cartoon image, then we could allocate the colors …

Apple II

Bluetooth Card – Proof of Concept

July 26, 2012 Lukazi's Loot

Bluetooth Card using the MP3 board and source code.

At KansasFest 2009 when Vince Briel (of Briel Computers http://www.brielcomputers.com/) unveiled his MP3 card I was instantly captivated and eager to find out how this cool little card functioned. After learning its little secrets, like many of the other Apple II developers, …

No Picture
Blogs

Retrochallenge Summer 2012 Redirect

July 21, 2012 John Linville

When it came time for this years Retrochallenge Summer event, I hadn’t managed to come-up with a good idea for a project.  So, I punted — I said I’d just work some more on Fahrfall.  Unfortunately, I didn’t get around to that either.  But, I did finally come-up with something …