Buffer Service Code 7 (changes)
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BufferManager
» SWI Calls
» Buffer_InternalInfo
» Service Codes
» Buffer Service Code 7
| Entry | |
|---|---|
| R0 | 7 (Reason code) |
| R1 | Internal buffer ID |
| R12 | Value returned by Buffer_InternalInfo |
| Exit | |
|---|---|
| R2 | Number of free bytes in buffer |
Use
This call returns the number of free bytes in a buffer.
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