h6. [[BufferManager]] h6(. » [[BufferManager SWI Calls|SWI Calls]] h6((. » [[Buffer_InternalInfo]] h6(((. » Service Codes |_<^{width:4em}. Code |_<^. Service routine | |0 | [[Buffer Service Code 0|Insert byte]] | |1 | [[Buffer Service Code 1|Insert block]] | |2 | [[Buffer Service Code 2|Remove byte]] | |3 | [[Buffer Service Code 3|Remove block]] | |4 | [[Buffer Service Code 4|Examine byte]] | |5 | [[Buffer Service Code 5|Examine block]] | |6 | [[Buffer Service Code 6|Return used space]] | |7 | [[Buffer Service Code 7|Return free space]] | |8 | [[Buffer Service Code 8|Purge]] | |9 | [[Buffer Service Code 9|Next filled block]] |