Buffer Service Code 5
BufferManager
» SWI Calls
» Buffer_InternalInfo
» Service Codes
» Buffer Service Code 5
| Entry | |
|---|---|
| R0 | 5 (Reason code) |
| R1 | Internal buffer ID |
| R2 | Pointer to destination |
| R3 | Number of bytes to examine |
| R12 | Value returned by Buffer_InternalInfo |
| Exit | |
|---|---|
| R2 | Pointer to the first free byte in destination |
| R3 | Number of bytes not removed |
Use
This call reads a block of data from a buffer without actually removing it. The C flag is set if unable to transfer all data (i.e. R3 ≠ 0).
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