Acorn Arcade forums: Flushing writes to disk

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Acorn Arcade forums: Programming: Flushing writes to disk

	Flushing writes to disk
	sirbod (19:43 19/4/2012) jeff-doggett (06:51 20/4/2012) sirbod (07:35 20/4/2012) sirbod (16:07 21/4/2012)

Jon Abbott	Message #120150, posted by sirbod at 19:43, 19/4/2012
Member Posts: 563	Is there a clean way to flush writes to disk? OS_Args 255 seems to write crap after the final write, up to a 256 byte boundary. I guess that's an undocumented feature!
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Jeff Doggett	Message #120157, posted by jeff-doggett at 06:51, 20/4/2012, in reply to message #120150
Member Posts: 21	I think that it IS documented somewhere in the filing system docs. It actually always writes to the next block size, which on anything other than floppy media is 512 bytes.
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Jon Abbott	Message #120158, posted by sirbod at 07:35, 20/4/2012, in reply to message #120157
Member Posts: 563	I found a vague reference to it in one of the PRM's - which is where the 256 bytes came from. Guess that's incorrect. The OS_Args 255 documentation doesn't mention it though. Looks like I need to write my own disk flush code then.
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Jon Abbott	Message #120176, posted by sirbod at 16:07, 21/4/2012, in reply to message #120158
Member Posts: 563	Interestingly you don't get rubbish at the end when flushing to the RAM drive.
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Acorn Arcade forums: Programming: Flushing writes to disk

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