Sound_ControlPacked (changes)
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Programmer's SoundChannels Reference Manuals
» Part 15 – SWI Calls
» Sound_ControlPackedSound
» Sound_ControlPacked
Sound_ControlPacked
(SWI &40186)
| Entry | |
|---|---|
| R0 | AAAACCCC (Amplitude / Channel) |
| R1 | DDDDPPPP (Duration / Pitch) |
| Exit | |
|---|---|
| R0, R1 | Preserved |
Use
This call is identical to Sound_Control, but the parameters are packed 16-bit at a time into low R0, high R0, low R1, high R1 respectively. It is provided for BBC
compatibility and for the use of the Scheduler. The Sound_Control call should be used in preference where possible.
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