SOUND

SOUND is a BASIC command to make sounds.

SOUND

Availability	Present in all original versions of BBC BASIC.
Syntax	SOUND <numeric>,<numeric>,<numeric>,<numeric>
Token (hex)	D4 (command)
Description	Generates sounds.

Description

SOUND calls OSWORD &07 to generate sounds. It is most commonly used to generate sounds with the internal sounds generator, but it can also be used to create speech or MIDI sounds, as specified by the channel parameter.

Defined channel numbers

Argument	Returns
&0xxx	Sound generator
&1xxx	Sound generator
&20xx	Watford Electronics Speech system
&FExx	MIDI control
&FFxx	Speech system

Trivia

In the original development of BBC BASIC, the sound command was BEEP which can be seen from the token position for SOUND, alphabetically with other keywords starting with 'B':

 Originally:   Became:
 D4: BEEP      D4: SOUND
 D5: BPUT      D5: BPUT
 D6: CALL      D6: CALL
 D7: CHAIN     D7: CHAIN
 etc.

References

Jgharston 00:30, 2 January 2008 (UTC)