Radio Shack TRS-80 PC-3 Owner's Manual page 278

*
If the distance is greater than 3 no BEEP is given.
*
When the bug is caught, the BEEP goes off 5 times.
KEY OPERATION SEQUENCE
Step No. Key Input
Display Remarks
1
@meA)
(0, 0) DISTANCE
=
5 E
=
100
8
(0,1) DISTANCE
=
4 E
=
99
6
(1,1) DISTANCE
=
2 E
=
98 2 BEEPs
8 HIT! HIT!
5 BEEPs
BANG! BANG!
SCORE 1 ENERGY 108