Buffer_GetInfo
BufferManager
» SWI Calls
» Buffer_GetInfo
Buffer_GetInfo
(SWI &42947)
| Entry | |
|---|---|
| R0 | Buffer number |
| Exit | |
|---|---|
| R0 | Buffer flags |
| R1 | Pointer to buffer start |
| R2 | Pointer to buffer end |
| R3 | Insertion offset |
| R4 | Removal offset |
| R5 | Bytes free |
| R6 | Bytes used |
Use
This call reads information about a particular buffer. Insertion and removal points wrap around, and the sum of free space and characters may not equal total buffer size.
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