Re: A86: Random


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Re: A86: Random





yeah i had the same problem with it
what are good for this type of thing?

--- Andreas Finne <a_finne@hotmail.com> wrote:
> 
> Jimmy's random routine is very fast, and is great if
> you just want a single 
> random number every now and then. But if you for
> instance want to have 
> random coordinates chosen one after the other, it is
> not as good. I have 
> made a program to try out different random routines
> by taking random 
> coordinates and put out a sprite at the chosen
> location. With this routine 
> the results were something like this:
> 
> 00 0
>   0 00
>      0 00
>        0 0 0
> 
> All sprites were in an area from the upper left to
> the lower right. You will 
> get a little better results if you put a 'halt'
> between every call to the 
> random routine.
> 
> Andreas Finne
> a_finne@hotmail.com
> a_finne@iobox.fi
> 
> 
> >From: Matt C <snoborder420@yahoo.com>
> >here is Jimmy Mardell's random routine from
> Tetris,i
> >think
> >i use it alot
> >
> >random: 	       ; Creates a random number 0 <= x <
> A
> >  	push bc
> >  	push de
> >  	push hl
> >  	ld b,a
> >  	ld a,r
> >  	add a,a
> >  	ld hl,0
> >  	ld d,0
> >  	ld e,a
> >RMul:
> >  	add hl,de
> >  	djnz RMul
> >  	ld a,h
> >  	pop hl
> >  	pop de
> >  	pop bc
> >  	ret
> >
> >later
> 
> 
>
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