Roger Orr

Roger Orr started contracting writing software for OS/2 and named his company OR/2 to reflect this. Most of the articles on this site were originally printed in the OS/2 User Group magazine.

Articles

 * Extending OS/2 batch files - Part 1 (Oct 1996)
 * Extending OS/2 batch files - Part 2 (Dec 1996)
 * Using Multimedia OS/2 for sound (Aug 1995)
 * Using a DLL for a PM hook (May 1995)
 * Programming the OS/2 Switch List (Dec 1994)
 * Calling C functions from Rexx (Jul 1994)
 * Using REXX as a macro language (Dec 1994)
 * A personal look at the OS/2 API (Dec 1993)
 * Exception Management - or coping with bugs (Aug 1993)
 * Extended Attributes - what are they and how can you use them ? (May 1993)
 * Introduction to IOPL programming (Dec 1992)
 * Writing your own PSTAT (Aug 1992)
 * Programming direct OS/2 Disk I/O (Apr 1992)
 * OS/2 Procedures Language - REXX (Dec 1991)
 * Using the OS/2 debugging interface to monitor the system (Aug 1991)
 * Drawing your own listboxes (Apr 1991)
 * OS/2 signal handling (Dec 1990)
 * OS/2 initialisation - making it work for you (Aug 1990)
 * Hints for writing simple programs for both OS/2 and DOS (Apr 1990)


 * Republishing Permission:Roger Orr allows the use of this OS/2 articles under the "Creative Commons Attribution-ShareAlike 3.0 Unported" License.

Links

 * http://www.howzatt.demon.co.uk