From: psychonaut@nothingisreal.com   
      
   Greetings.   
      
   On 31/01/2020 20.06, Andreas Kohlbach wrote:   
   > On Fri, 31 Jan 2020 12:41:00 +0100, Tristan Miller wrote:   
   >> I'd like to play Ultima V in VICE.  This game came on four double-sided   
   >> disks, which entailed a lot of disk-swapping.  But if memory serves, the   
   >> C128 version of the game supported up to two drives, and if the drives   
   >> were 1571s, the game would automatically read the correct side of the   
   >> disk for you.  So with two 1571s, instead of one 1541, you could cut the   
   >> number of disk swaps by factor of 4.   
   >>   
   >> The problem is that the only disk images of the game I have are .d64   
   >> images of the eight individual sides.  Is there any way of combining two   
   >> .d64 images into a single .d71 image?  Or is my only option to buy a   
   >> floppy drive capable of reading double-sided disks and the requisite   
   >> imaging software, and then manually re-image all the physical disks?   
   >   
   > The 8bitguy on YouTube just released a video about Commodore disk   
   > drives. The 1571 head two heads, thus could read both sides of a floppy   
   > without turning it around, if made for the C128.   
   >   
   > It also could read C64 (.d64) disks. But in the 1541 you would turn   
   > around a disk to read the other side. That means that a 1571 could not   
   > read the second side as the rotation of the disk would be the wrong way   
   > (you would not turn the disk around as on a 1541). Thus I don't think   
   > it's possible to run a double-sided 1541 disk on the C128 using a 1571   
   > drive.   
      
   Ah, so maybe I was misremembering about not having to flip the disks.  I   
   think VICE allows you to create a list of disk images and then swap   
   between these with a shortcut key, so that's probably another avenue for   
   me to try.   
      
   Regards,   
   Tristan   
      
   --   
   =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-   
                      Tristan Miller   
   Free Software developer, ferret herder, logologist   
                 https://logological.org/   
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