You could set the priority of your program with the API, though it would still possibly use 50% if no other programs are busy.
Giving CPU power other processes
BlitzMax Forums/BlitzMax Programming/Giving CPU power other processesThe forum is locked. These are the original blitzbasic.com forums, kept so they can still be read. No new topics, replies or edits can be made here. To join in, head over to the Blitz3D+ forums.