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Blitter delay, what is it?
#324445 - 04/10/14 02:20 PM
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Hey,
What's blitter delay and what is it good for?
Couldn't find any doc about this option.
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| R. Belmont |
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Cuckoo for IGAvania
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Reged: 09/21/03
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Posts: 9716
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Loc: ECV-197 The Orville
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Re: Blitter delay, what is it?
[Re: LRa]
#324465 - 04/10/14 05:32 PM
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> Hey,
> What's blitter delay and what is it good for?
> Couldn't find any doc about this option.
Where are you seeing this option? 
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Tafoid |
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I keep on testing.. testing.. testing... into the future!
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Reged: 04/19/06
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Re: Blitter delay, what is it?
[Re: R. Belmont]
#324467 - 04/10/14 05:44 PM
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> > Hey,
> > What's blitter delay and what is it good for?
> > Couldn't find any doc about this option.
>
> Where are you seeing this option?
I presume he is referring to the newly installed cv1k.c driver in MAME. There is a game configuration option for those games involving blitter delay. The options states "unsafe" and "requires restart" after setting - but I don't know why it is there or its visible benefits.
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Re: Blitter delay, what is it?
[Re: Tafoid]
#324469 - 04/10/14 05:48 PM
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Haven't checked it yet, but I've read about it on the shmups forums, so yes, it has to do with(only?) he cave1k driver.
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Re: Blitter delay, what is it?
[Re: LRa]
#324479 - 04/10/14 09:38 PM
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My guess is it controls whether the blitter is emulated instantly or whether it guesses how long each blit takes. It's a hack, whichever way you set it the timing will be wrong.
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