On Friday, 18 March 2016 20:28:41 UTC, Andreas Kohlbach  wrote:   
   > I was reading a British game magazine from June 1984 (is available as PDF   
   > on archive.org - if anyone cares I can try to find the download address)   
   > where an article says:   
   >    
   > | Video Vault International are bringing out the Commodore Emulator for   
   > | £12.95. Once loaded into your machine, it emulates the Sinclair   
   > | operating system and allows you to run your favourite Sinclair   
   > | games. Commodore 64 owners should soon be able to load and run Spectrum   
   > | software on their machines [...]   
   >    
   > I was curious if this works. Especially since a C64 has a 6510 CPU and a   
   > Spectrum an Z80.   
   >    
   > I don't own a real Commodore 64 so emulate it with the VICE emulator. I   
   > also found a program in my collection which has "Spectrum Emulator   
   > (1985)" in its name. But although the program loads it just doesn't   
   > start. RUN just returns the cursor.   
   >    
   > So I wonder if this is for real. Has anybody ever had a working Spectrum   
   > emulator for the Commodore 64? Not important if on the real machine or   
   > emulated itself.   
      
   Whitby Computers ported Sinclair BASIC to the C64 in 1985. That's probably the   
   emulator you have in your collection. There's a thread about it on the Lemon64   
   forum with a contribution from the original author. POKEs work, but there's no   
   Z80 emulator so    
   machine code games won't run. I doubt a £12.95 emulator would include a Z80,   
   so I wonder if the Video Vault solution was just a rebranded version of the   
   Whitby Computers program, only with more marketing BS. The C128 could emulate   
   a Spectrum quite easily    
   as it has all the required hardware, but it would be about a third the speed   
   of the original. So yeah, kind of pointless.   
      
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