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Newsgroups: | comp.os.msdos.djgpp |
Date: | Sat, 18 May 2013 22:54:29 -0700 (PDT) |
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Subject: | Re: Adding 64-bit file support to DJGPP |
From: | Jim Michaels <jmichae3 AT yahoo DOT com> |
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On Tuesday, January 17, 2006 9:00:52 PM UTC-8, 0483218 DOT DOT DOT AT t-online DOT de wrote: > Hi! > > I would like to know how difficult it would be to add support for > 64-bit file operations to DJGPP. I suppose that DJGPP currently only > handles 32-bit file operations internally; is this assumption correct? > If yes, it would be necessary to extend the internal file handling > routines of DJGPP to 64 bit before any attempt to add support for new > APIs could be made. > > Is anyone currently working on this, or has been working on this > before? If yes, I would be interested in his assessment. If not, what > would be a good starting point? > > Regards, > > Udo opengem is the closest we've got to something usable in DOS for a GUI. - there are int13h function calls for basic disk i/o. note that this is deprecated in favor of UEFI. - there are extended int 13h function calls for LBA-based disk i.o if you don't like old severly-limited CHS. see the phoenix extended 13h disk bios calls pdf. note that this is deprecated in favor of UEFI. - there are int 21h functions which is what DJGPP is based on for 8.3 file I/O. note that MBR+BIOS calls is deprecated in favor of UEFI.
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