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Disc Wizard: Difference between revisions

From CPCWiki - THE Amstrad CPC encyclopedia!
Arnoldemu (talk | contribs)
Arnoldemu (talk | contribs)
Line 4: Line 4:


* Button triggers NMI
* Button triggers NMI
* 8K ROM appears to be split into two. One of the switches changes the role.
* 8K ROM data has 4 regions. There is an NMI vector at &0066, &0866, &1066 and &1866 which indicates each of the 4 regions is selectable and mappable into the range &0000-&7ff. What is not clear is if the regions repeat or not in memory space.
* Uses direct FDC disc access for loading
* Uses direct FDC disc access for loading/saving.
* Uses an I/O port &f0e0
* Uses an I/O port &f0e0



Revision as of 12:48, 13 August 2013

The Disc Wizard was an addon from Draysoft & Evesham Micro Centre that allowed you to make dumps of the CPC memory to external storage, pretty much like the Multiface and similar interfaces.

Technical

  • Button triggers NMI
  • 8K ROM data has 4 regions. There is an NMI vector at &0066, &0866, &1066 and &1866 which indicates each of the 4 regions is selectable and mappable into the range &0000-&7ff. What is not clear is if the regions repeat or not in memory space.
  • Uses direct FDC disc access for loading/saving.
  • Uses an I/O port &f0e0

Pictures

Manual

Download

Links

  • Disc Wizard at the English-language Wikipedia (Disc Wizard is mentioned in the Multiface's Similar products section)