Difference between revisions of "OSWORD &07"
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==Specification== | ==Specification== | ||
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Revision as of 15:44, 21 November 2021
OSWORD 7 (7): Generate a sound
Specification
On entry: XY+0..1=channel XY+2..3=volume or envelope XY+4..5=pitch XY+6..7=duration
Calling from BBC BASIC
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SOUND channel,volume,pitch,durationcalls OSWORD &07.
See Also
Implementations
The high byte of the channel number specifies what type of sound to generate. Unrecognised channel numbers pass the call to sideways ROMs as an unrecognised OSWORD.
&0xxx - Internal Sound system &1xxx - Internal Sound system &20xx - Watford Electronics Speech &FExx - MIDI control &FFxx - BBC Speech system
Jgharston 13:15, 26 May 2009 (UTC) Jgharston (talk) 22:54, 28 March 2015 (UTC)
