Put HALT in a loop...halt will wait for the next interrupt, and an interrupt occurs roughly every 1/200th of a second. James. ----- Original Message ----- From: <TI83Maniac@aol.com> To: <assembly-83@lists.ticalc.org> Sent: Saturday, January 22, 2000 11:45 PM Subject: A83: A83 > > How do you delay a program for a couple of seconds without having to press a > key in TI83 Z80 Assembly? > >