Re: A86: Re: re:a86:gbdk


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Re: A86: Re: re:a86:gbdk




sprites are handled by hardware.
scrolling is not, but that isn't hard to do- it jsut requires
manipulating the sprite table.
sound is in hardware
link port is in hardware, accessed by the byte
that clear things up some?
--robin

David Knaack wrote:
> 
> Jimmy Mårdell wrote:
> >
> > [On the GB] you have hardware scrolling + hardware sprites,
> 
> From: Robin Kirkman <misty@drrobin.yi.org>
> >
> > to my knowledge, [scrolling and sprites are] handled by the processor
> itself.
> 
> From: Cavan Carroll <cavanc@hotmail.com>
> > Scrolling and sprites are controlled by the video hardware on the GBs.
> > [...] the game's ROM points to the  location of a sprite and then the
> > video hardware deals with it.
> 
> Ok, so is scrolling and spriting handled by the software or the hardware?
> I guess I could check around for some GB emulation documentation.
> 
> From: Jeff Barrett <kanebarrett@worldnet.att.net>
> > [To handle sprites and scrolling on the TI-86 one must] add routines to
> > the program itself, making more work, bigger program files, and
> > slower execution.
> 
> Execution speed would definitely be effected if the graphics are handled by
> the hardware, but if they are just ROM routines then speed wouldn't be an
> advantage.  Either way, it certainly requires more work and bigger programs
> on the 86 :)
> 
> What about button input?  Are the GB's key inputs better suited for video
> games (I mean from a programming prospective, not physical keyboard layout)?
> 
> Interesting discussion, thanks,
> DK


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