2 x laser Gun
1 x dual tone
2 x bombs
2 x machine guns
1 x rifle

Control of the IC is via two inputs,  Auto and Serial.

When connected to 0V, the Auto Input  (pin 15) continually cycles  through the available sounds and plays them without  any pauses. 

With the Auto Input connected to +Vs, briefly connecting the Serial  Input (pin 16) to 0V will play each sound in turn.

It is not possible  to select  one sound and then play it once for each push of a switch.

Sound output can be to a piezoelectric sounder connected  between pin 10 and 0V, or a normal speaker with a transistor  amplifier.

The HT2884 also  features five ‘chaser’ outputs which are  switched from low  to high in turn when a sound is playing.