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4K HP 67 Games rom attached for testing
11-01-2016, 10:22 PM
Post: #60
RE: 4K HP 67 Games rom attached for testing
(11-01-2016 09:37 PM)Gene Wrote:  The algorithm is: New Seed = Fraction ( 9821 x Old Seed + 0.211327 )

OK, that's the one I know from my first HP calculator's manual, the 34C.
But this RNG can only generate about one million different values.

(11-01-2016 09:37 PM)Gene Wrote:  Used in the PPC ROM and many earlier programs in the PPC Journal. Has a longer cycle between repeating and doesn't have the problems that the RCL 00 PI + style generators do.

What problems does this algorithm have?

(11-01-2016 09:37 PM)Gene Wrote:  The algorithm of New Seed = Fraction (997 x Old Seed) is pretty good as well.

But it requires a seed with a fractional part > 0.

(11-01-2016 09:37 PM)Gene Wrote:  Angel and I had already been talking about saving a bit of space by using the mcode function here so I think it would be available and work.

Does this mean we will have a RAND function (as well as SEED)?

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HP-67 AOS program to debug - Gene - 10-30-2016, 02:11 AM
RE: 4K HP 67 Games rom attached for testing - Dieter - 11-01-2016 10:22 PM

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