OS_Word 7 (changes)
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OS SWI Calls
» OS_Word
» OS_Word 7
OS_Word 7
(SWI &07)
| Entry | |
|---|---|
| R0 | |
| R1 | 8 byte block: |
| +0 | Channel |
| +2 | Amplitude |
| +4 | Pitch |
| +6 | Duration |
| Exit | |
|---|---|
| R0 | Preserved |
| R1 | Preserved |
Use
This call makes a sound, equivalent to the SOUND keyword in BBC BASIC.
Notes
Internally this reason code calls Sound_ControlPacked and is only provided for compatibility with the BBC Microcomputer system call.
See also
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