🚀 go-pugleaf

In article <16490@cbmvax.commodore.com> jesup@cbmvax.commodore.com (Randell Jesup) writes:
>In article <1990Nov26.181340.17891@cck.cov.ac.uk> csg019@cck.cov.ac.uk (Z*A*P*H*O*D) writes:
>>I don't realy know much about C but you could link a module with the following
>>assembly language program, this will return a psedo random number (it is in
>>fact the current raster beam Y-position...
>>you could use it if you are realy desperate...
>>
>>start
>>	move.b $dff006,random
>>	rts
>
>	Unfortunately, that produces an extremely poor random number.  First,
>it's limited to 0-255, secondly certain values will never show up (due to 
>vblank interrupts, TOF stuff, etc eating all the cpu for those lines), 
>thirdly, the distribution of the numbers remaining will be uneven due to
>PAL machines having more than 256 lines, and NTSC having less.
>
>	Just Say No.

I know its a lame way thats why i said only use if if you were desperate :)

I  think you'll  probably have to look  it up in a maths book, there is a way
of getting a pseudo random number by using LOG's and other mathmatical stuff,
but i'm not  so hot on that side of things.....


I suppose you could mesure how long it takes AmigaDOS to  corrupt a disk, 
thats VERY random number.


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