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   comp.sys.apple2      Discussion about Apple II micros      56,720 messages   

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   Message 55,945 of 56,720   
   Kent Dickey to thefadden@gmail.com   
   Re: Detecting sector order of .dsk image   
   01 Dec 22 19:03:19   
   
   From: kegs@provalid.com   
      
   In article <3ec07805-8fec-4a40-8d0b-33418b755134n@googlegroups.com>,   
   fadden   wrote:   
   >On Wednesday, November 23, 2022 at 2:12:26 PM UTC-8, Kent Dickey wrote:   
   >> [...]And if a .dsk image   
   >> is determined to be ProDOS order, then the emulator should immediately   
   >> re-write the .dsk image file as DOS 3.3 order. If the image is write-   
   >> protected or not writeable, then do nothing.   
   >   
   >That should probably be preceded by a dialog box with 3 options: (1)   
   >rewrite the disk; (2) rename the image file to have the correct   
   >extension; (3) leave the disk image alone and come what may.   
   >Rearranging the image order without asking permission seems... rude.   
   >   
   >Or maybe just offer #2 and #3, since #1 seems like more work for a   
   >less-desirable outcome.   
      
   OK, I'll move to option 4):   
      
   When a .dsk image is mounted and is detect to be ProDOS-ordered, the   
   internal image will be swapped to be DOS-ordered, but not written back to   
   the host yet.  When ANY write to the image occurs and would update the   
   host copy, the entire image will be written to the host in DOS-order.   
      
   If you never write to the disk image in any way, the host copy is untouched.   
   If you write to it in any way, the host copy becomes DOS-ordered.   
      
   Kent   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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