h6. [[FileCore]] h6(. » [[FileCore SWI Calls|SWI Calls]] h6((. » [[FileCore_MiscOp]] h6(((. » FileCore_MiscOp 4 h2. FileCore_MiscOp 4 h5. (SWI &40549) |_<^{width:4em}. Entry | | |<^. R0 |<^. 4| |<^. R1 |<^. Drive number| |<^. R8 |<^. Pointer to FileCore instance private word| |_<^{width:4em}. Exit | | |<^. R0 |<^. Preserved ?| |<^. R1 |<^. Preserved ?| |<^. R5 |<^. Minimum polling period (in centiseconds), or -1 if changed doesn't work | |<^. R6 |<^. Pointer to media type string (e.g. 'disc' for ADFS )| |<^. R8 |<^. Preserved ?| h4. Use The purpose of this call is to inform [[FileCore]] of the minimum period between polling for disc insertion under the given filing system. h4. Notes This is so that drive lights don't remain continuously illuminated. The values are re-exported by FileCore in the UpCalls: # 'Media not present' - see [[OS_UpCall 1]] # 'Media not known' - see [[OS_UpCall 2]] The value applies to all drives rather than a particular drive. h4. See also * [[FileCore]] * [[FileCore_MiscOp]] * [[OS_UpCall 1]] * [[OS_UpCall 2]]