Apple II

Drum8 – A Pattern Sequencer for the Apple II

January 19, 2018 Call-A.P.P.L.E.

If you haven’t seen it yet, check out Ricardo Macri’s Drum8 project.   The program which runs on an Apple II computer, is an 8 bit drum machine which allows real time graphics based editing using either single or quad channel DAC configurations. To use Drum8, you will need an Apple …


Episode 42 – Live in 2018!

January 18, 2018 CoCoTALK!

Original YouTube version of the show:

We’re back in the swing with another live episode of CoCoTALK! the nation’s leading live talk show featuring the Tandy Color Computer!  This is our first live episode of 2018.

On the call: Jason CoCo Man, David Ladd, Grant Leighty, John Linville, John Mark

Computer History Museum

The Shocking Truth Behind Arnold Nordsieck’s Differential Analyzer

January 18, 2018 Computer History Museum

In 1950, the physicist Arnold Nordsieck built himself this analog computer. Nordsieck, then at the University of Illinois, had earned his PhD at the University of California, Berkeley, under Robert Oppenheimer. To make his analog computer for calculating differential equations, the inventive and budget-conscious Nordsieck relied on US $700 worth of …

Apple II

Announcing ProDOS 2.4.2 for all Apple II computers

January 18, 2018 Call-A.P.P.L.E.

      ProDOS 2.4.2 is a minor release with bug fixes and updates. It replaces ProDOS 2.4 and ProDOS 2.4.1.   Bugs fixed:  1. If a directory with more than 255 files was used, and then a different disk was used, a Bad Dir Error $51 was reported.  2. Bitsy Bye was not …


ANTIC Interview 323 – Orson Scott Card, Compute! Books

January 18, 2018 ANTIC

Orson Scott Card, Compute! Books   Orson Scott Card is a Hugo Award winning, best-selling science fiction author, perhaps best known for his 1985 novel, Ender’s Game.    But we’re not here to talk about that — because for about nine months, Orson Scott Card was an editor at Compute! …

Apple II

WOZ Format updated to version 1.0 and officially released

January 18, 2018 Call-A.P.P.L.E.

The WOZ format, the mainstay of the Applesauce project by John Morris, has been officially released.  Version 1.0 of the format document is now available for download to developers via John’s website at:     …
Apple II

PLASMA Developer Preview 1.0 available

January 18, 2018

David Schmenk has just released v1.0 of the developer preview of PLASMA.

Modern Retroprogramming on the Apple II. When was the last time you programmed a modern language on a 40 year old computer? Now is your chance. PLASMA is a combination of operating environment, virtual machine, and assembler/compiler matched