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Amiga computer related discussion => Amiga Hardware Issues and discussion => Topic started by: TheBilgeRat on January 28, 2011, 07:28:19 PM

Title: School me on the Differences between RTG graphics card and IndivisionECS/AGA
Post by: TheBilgeRat on January 28, 2011, 07:28:19 PM

I am confused as to exactly what each does for you in terms of display.

Title: Re: School me on the Differences between RTG graphics card and IndivisionECS/AGA
Post by: brianb on January 28, 2011, 07:39:17 PM

RTG Graphics Card contains a Graphics processor chip off loading work from the computer's CPU.  It may also give you increased resolutions and colors.

http://amiga.resource.cx/exp/search.pl?amiga=3000&cat=rtg

The Indivision solution pretty much just allows you to use modern VGA monitors with your Amiga.  The Indivision sits on top of the existing graphics chip in the Amiga converting the signals to VGA.  It's actually a pretty genius solution, I really like mine.   But you will be limited to the native Amiga resolutions, colors, and speed.

Title: Re: School me on the Differences between RTG graphics card and IndivisionECS/AGA
Post by: Kronos on January 28, 2011, 08:16:03 PM

Quote from: brianb;610362

  But you will be limited to the native Amiga resolutions, colors, and speed.

Technicly correct, but some of the supported resolution would be 100% unsuable with any monitor if it wasn't for the Indivisions due to extremly low refresh rates.

Also since the Indivison-ECS is (allmost) complete Denise-replacement getting all raw data Denise gets so it's possible to missue is as some sort of advanced chunky-framebuffer doing quite well on some games adapted to it.

The Indivison-AGAs on the other side sit on the digital-output of Lisa and are less flexible/suitable when it comes to these thinks (but AGA does allow greater bandwidth anyways, so the results are similar).

Title: Re: School me on the Differences between RTG graphics card and IndivisionECS/AGA
Post by: Paulie85 on January 28, 2011, 09:07:29 PM

I could be wrong but isn't Jens working on a  driver that will allow the Indivision ECS to be used in a similar way to an RTG card? From what I've read on the forums it suggests that it will be 12-bit reduced from 16-bit at 1024x768(i.e. more colours and higher resolution)and the software will be Shapeshifter based.

Title: Re: School me on the Differences between RTG graphics card and IndivisionECS/AGA
Post by: NovaCoder on January 28, 2011, 09:16:56 PM

Quote from: Paulie85;610382

I could be wrong but isn't Jens working on a  driver that will allow the Indivision ECS to be used in a similar way to an RTG card? From what I've read on the forums it suggests that it will be 12-bit reduced from 16-bit at 1024x768(i.e. more colours and higher resolution)and the software will be Shapeshifter based.

new version of ADoom, which supports the Indivision GFX 256 colour direct chunky display of Indivision ECS (http://eab.abime.net/showthread.php?t=57194)

Title: Re: School me on the Differences between RTG graphics card and IndivisionECS/AGA
Post by: TheBilgeRat on January 28, 2011, 11:12:40 PM

OK that makes sense.  So - RTG does not interface with the indivision at all, it does its own thing

Title: Re: School me on the Differences between RTG graphics card and IndivisionECS/AGA
Post by: runequester on January 28, 2011, 11:17:52 PM

yeah, rtg is more for replacing the amigas own graphics chips, for applications that support it