Oddest mismatch in hardware for a given purpose...

[Josh Dersch]

Eric Smith wrote:
> Josh Dersch wrote:
>> I have in my grubby little hands an Elektronika MK-85 calculator, 
>> which externally is a spot-on clone of the Casio FX-700P BASIC 
>> programmable calculator.  Functionally, it's identical as well, with 
>> a few enhancements (pixel-addressable graphics, a Cyrillic 
>> character-set, etc)
> Pixel-addressable characters.  I wouldn't really call it "graphics" 
> since there are gaps between the character cells.
Well, that's just being pedantic :).  I can plot a point at any 
arbitrary x,y coordinate.  It's just that there are gaps here and there 
along the X axis :).

>> Internally though, they're 100% different -- the processor in the 
>> MK-85 is a Russian PDP-11 knockoff. 
> There is also the MK-90, with a larger graphics display and removable 
> RAM cartridges.  Purportedly came with a RAM cartridge containing a 
> Tetris game, but there are no known surviving copies of the game.
>
> Eric
>
>

Yeah, the MK-90 looks really neat. love to find one one of those someday...

As far as Tetris (and other games)... looks like there's at least one 
known copy out there: http://www.youtube.com/watch?v=48pmWw4TG1o (See at 
about 2:13).

Josh