 Timer81 code (Note: "->" = the STO key)

Prgm1: TIMER81U
:ClrHome
:Disp "TIMER81 COUNT-UP"
:Disp "VER 1.0"
:Disp "(C) 2001 BY"
:Disp "CHUCK S."
:Disp "MADE 02-22-2001"
:Disp "PRESS ENTER TO"
:Disp "START"
:Pause
:ClrHome
:0->T
:0->M
:0->S
:Lbl A
:ClrHome
:Disp ""
:Disp M
:Disp S
:Lbl B
:If T=90
:Goto C
:Goto B
:Lbl C
:1+S->S
:0->T
:If S=60
:Goto D
:Goto A
:Lbl D
:1+M->M
:0->S
:Goto A