[A83] Re: Delays and grayscales


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[A83] Re: Delays and grayscales




> I don't think the difference is _that_ big.
> 
> Voltage 1.5 V ----  1.1 V     ~~ 73%
> CPU Speed 6 MHz ---- 4 MHz ~~ 66%
> 
> Hey, that's quite close...
> Wow, what a slow calc should I have now (with rechargeable batteries)!

Hey that might explain why nintendo advises against the use of NiCad's in
their gameboy classic. Still, it works perfectly with NiCad's...
 
> Let's test drawing a funtion together with someone at school with a 'fast'
> calc...
> 
> >generator that makes sure that the CPU exectues exactly those 6 mil
> >cycles per second?
> >
> >>So when you get a clean picture on the 83, it's mostly just luck. Put
> >>in other batteries and things look different. This explains why your
> >>second example looks worse even though it's faster and should look
> >>better.
> >
> >:( Then the grayscale routine I have fine-tuned to look great on my calc
> >may look like crap on other peoples calc, and even on mine when I change
> >batteries.. not good at all.
> >
> >I do have some questions on the interlace techniques you explained
> >aswell, but I haven't got time to read through and think about it
> 
> I'm using RIGView for a while now, and it displays grayscale perfect, with
> some sort of interlace technique. It has the source included and is
> availbable from TiCalc (just search, I don't know the exact url...)
> This is for MirageOS, though you can also make standalone pics (which I do
> since I don't have Mirage)
> 
> >thorougly enough right now (gotta get back to actually _working_ at
> >work soon :)) but I'll probably be back with more annoying questions
> >later.. sorry.. :)
> >
> >Anyway, big thanks for the extensive response!
> >
> >/Andreas
> 
> Groeten,
>         Ronald Teune
>         Using Opera since 08/10/2001
>         http://www.zeekoe.cjb.net
>         iets@zeekoe.cjb.net
> Anything that is good and useful is made of chocolate.
> (Bryan Fields, TI-Hardware mailinglist)
> 
> 
> 





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