]
] > A lot of people replied my letter about the R register
] >(flash trivia: did you know that Spectrum programmers thought
] >it was a "secret register"? I'm not kidding and have no idea
] >where they got that notion...) The use of it as a random number
] >generator is obvious (if not read too often, of course). Setting
] >it up, though, seems a dangerous operation on some computers...
] >Maybe it could be used for... Crashing the computer? Genetic
] >algorithms with real random mutations? Some kinds of computer
] >artwork...?
]
] I was wondering: does the R-register still have its function on the R800 or
] the Z380, I mean does it still change continuously??? I heard something...
On the R800, it is still increased after every instruction. Though, it is not
used anymore to drive the memory refresh. The memory refresh is controlled by
a separate circuit (which is integrated in the same chip as the R800 CPU...)
Kind regards,
Alex Wulms
--
Alex Wulms/XelaSoft - MSX of anders NIX - Linux 4 ever
See my homepage for info on the *** XSA *** format
http://www.inter.nl.net/users/A.P.Wulms
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