http://www.trs-80.org TRS-80.org is a source for information about the Radio Shack TRS-80 line of computers, hardware, and software, with articles, interviews, and more! Thu, 29 Dec 2011 16:36:27 +0000 en hourly 1 http://wordpress.org/?v=3.2.1 http://www.trs-80.org/percom-doubler/ http://www.trs-80.org/percom-doubler/#comments Thu, 12 Mar 2009 14:49:37 +0000 Matthew Reed http://www.trs-80.org/percom-doubler/ TRS-80 Model I. It was introduced in 1980 by Percom Data Company for an initial price of $219.95. The Doubler hardware was designed by Wayne Smith and Harold Mauch (president of Percom) and the accompanying software was written by Jim Stutsman.]]> http://www.trs-80.org/percom-doubler/feed/ 0 http://www.trs-80.org/interview-jim-stutsman/ http://www.trs-80.org/interview-jim-stutsman/#comments Thu, 09 Oct 2008 17:32:26 +0000 Matthew Reed http://www.trs-80.org/interview-jim-stutsman/ MICRODOS and DBLDOS for Percom and Monte’s Windows for Montezuma Micro. In the interview, conducted in October 2008, he had some very interesting answers to my questions and provided some fascinating insight into the early days of the TRS-80.]]> http://www.trs-80.org/interview-jim-stutsman/feed/ 2 http://www.trs-80.org/microdos/ http://www.trs-80.org/microdos/#comments Mon, 06 Oct 2008 16:53:11 +0000 Matthew Reed http://www.trs-80.org/microdos/ Model I TRSDOS, MICRODOS used extensions to BASIC. It implemented most of the Disk BASIC commands added by TRSDOS. Also unlike the other operating systems, MICRODOS had no file system. All disk accesses were made using the starting sector and length. As stated in the manual:]]> http://www.trs-80.org/microdos/feed/ 0