h6. [[OS SWI Calls]] h6(. » [[OS_Byte]] h6((. » OS_Byte 145 h2. OS_Byte 145 h5. (SWI &06) |_<^{width:3em}. Entry | | |<^. R0|<^. 145 (&91) | |<^. R1|<^. [[Buffer Numbers|Buffer number]]| |_<^{width:3em}. Exit|_<^. | |<^. R0|<^. Preserved | |<^. R1|<^. Preserved | |<^. R2|<^. Byte removed | |\2<^. C flag set if buffer was empty on entry, clear if byte was successfully removed| h4. Use The purpose of this call is to extract the next byte from the given buffer h4. Notes The buffer number is *not* validated - undefined results (rather than an error) occur if a bad buffer number is passed. h4. See also * [[Buffer Numbers]] * [[OS_Byte]]