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New development: GTIA in CPLD


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#401 dragos OFFLINE  

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Posted Sun Mar 19, 2017 10:10 PM

I am interested, still available?



#402 Synthpopalooza OFFLINE  

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Posted Tue Mar 21, 2017 9:53 PM

Finally installed the Sophia in my 1200XL this morning.  Very easy except that it seemed to take a bit more of 'electronics level violence' than expected to get the Sophia socket into the 1200XL motherboard socket.  I'm going to assume that the GTIA isn't going back into that (now likely loose in comparison to previous) socket by itself again.

 

Output is very clear, however my text is lime green instead of the expected white...    :P

 

 

LWiBMw.png

 

 

Same display/capture settings with the UAV:

 

 

ReviOc.png

 

The lime green is because Sophia now allows for independent programming of the text color in Graphics 0 seperately from the background.  Therefore the text is set to the system default, which is lime green, the same color used for that register in Graphics 1 as well.



#403 Lilralphie OFFLINE  

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Posted Tue Mar 21, 2017 9:58 PM

Stupid question - but are the colors OK for a 5200 install?



#404 Simius OFFLINE  

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Posted Wed Mar 22, 2017 4:39 AM

 
Yes, I see pixels in the Sophia RBG output in the same area that do not appear in the UAV s-video.
 
 
uHDgyg.png

 

 

The gray streaks are the result of 16 level luminance of each color register instead 8 level in GTIA. The genesis of the bad pixel on the cap I have not identified yet.



#405 Simius OFFLINE  

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Posted Wed Mar 22, 2017 4:43 AM

Stupid question - but are the colors OK for a 5200 install

 

The colors in the 5200 are exactly the same as in the XL/XE.



#406 Larry OFFLINE  

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Posted Wed Mar 22, 2017 4:53 AM

@Simius-

 

Can you have an "NTSC palette" that can be re-programmed in the CPLD -- or specify which version we want on future orders, and then you can send the appropriate type?

 

-Larry



#407 malan23 OFFLINE  

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Posted Thu Mar 23, 2017 7:34 PM

Hello all.  I'm new to Atariage (love what I'm seeing!)  I have been out of the Atari scene for about twenty years but never got rid of any of my stuff.  I got bit by the bug hard around Christmas and have been setting up and testing what I have.  Can I get a Sophia?  And if so, how? Also would like to have the Antonia upgrade and at least one Ultimate Cart....  I have two 130XEs, several 800XLs (one with 256K mod) and a slew of 1040STFs...

 

Michael



#408 917k OFFLINE  

917k

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Posted Thu Mar 23, 2017 9:04 PM

 

The colors in the 5200 are exactly the same as in the XL/XE.

 

Any chance you can address questions people have asked about future availability ? Yes? No? Maybe?

 

Thank you.



#409 Simius OFFLINE  

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Posted Fri Mar 24, 2017 12:45 AM

There is a chance. Just now I have assembled a nine Rev.A board and soon will be ready the next dozen. I could ship these boards immediately, but the first I want to fix the reported problem.



#410 917k OFFLINE  

917k

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Posted Fri Mar 24, 2017 11:57 PM

Terrific news!

Thank you.



#411 robbievgb OFFLINE  

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Posted Sat Mar 25, 2017 12:19 AM

For what's it's worth, I downloaded altirra this even and checked out some ROMs that look off through Sophia.

For an NTSC 5200, the preset "NTSC Authentic" looks closest to what I would expect.

I would venture to guess this would be the same for an NTSC XEGS since Missile Command on there looks exactly the same as my 5200 color and hue wise.

Sent from my SM-G920P using Tapatalk

#412 Simius OFFLINE  

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Posted Sun Mar 26, 2017 4:52 AM

A little better.

Attached Thumbnails

  • IMG_0298.JPG

Edited by Simius, Sun Mar 26, 2017 4:56 AM.


#413 Arnuphis OFFLINE  

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Posted Sun Mar 26, 2017 9:41 PM

Put me down for one of these!

 

Thanks in advance.



#414 MARIO130XE OFFLINE  

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Posted Mon Mar 27, 2017 12:05 AM

A little better.

 

WOOOAAHHH OHH MY GAWWWD!!! That's EXACTLY how it should be.  :thumbsup:  :thumbsup:  :thumbsup: 



#415 robbievgb OFFLINE  

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Posted Mon Mar 27, 2017 12:27 AM

Any possibility of being able to reprogram with an NTSC color profile?

Sent from my SM-G920P using Tapatalk

#416 Simius OFFLINE  

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Posted Mon Mar 27, 2017 12:28 AM

The 16 shades is now switchable by bit3 PMCTL ($D01D) (default 0=off)



#417 Simius OFFLINE  

Simius

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Posted Mon Mar 27, 2017 12:34 AM

Any possibility of being able to reprogram with an NTSC color profile?

Sent from my SM-G920P using Tapatalk

This is just impossible. Sofia has Always_The_Same_Colors. ;)



#418 Josť Pereira OFFLINE  

Josť Pereira

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Posted Mon Mar 27, 2017 12:47 AM

This is just impossible. Sofia has Always_The_Same_Colors. ;)

NTSC = Never The Same Colour and SOFIA is what? Maybe is SOFIA = Same On Fixed Is Always.
Humm... doesn't sound good English...
:grin:

P.s.- Maybe reading from the right to the left: AIFOS = Always Is Fixed On Same sounds a little better.

Edited by Josť Pereira, Mon Mar 27, 2017 12:51 AM.


#419 mytekcontrols OFFLINE  

mytekcontrols

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Posted Mon Mar 27, 2017 12:49 AM

The 16 shades is now switchable by bit3 PMCTL ($D01D) (default 0=off)


For those of us that already have a Sophia, will you be providing a download in this topic for the new CPLD code?

- Michael

#420 robbievgb OFFLINE  

robbievgb

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Posted Mon Mar 27, 2017 1:16 AM

So basically if I have a 5200 I'm SOL (shit outta luck) and stuck with how it looks now?

#421 Simius OFFLINE  

Simius

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Posted Mon Mar 27, 2017 2:21 AM

Can you defined, what means the "NTSC color profile"? Where is the pattern?



#422 funkwad OFFLINE  

funkwad

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Posted Mon Mar 27, 2017 10:34 AM

 a little disappointed to hear the colors are off (pink donkey kong / breakout/ pacman), specifically to 5200 because that's what I have ...but I believe this is how Sophia current works on all systems

 

Will additional color pallets be available some how?


Edited by funkwad, Mon Mar 27, 2017 10:35 AM.


#423 Frankie OFFLINE  

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Posted Mon Mar 27, 2017 1:26 PM

 

Hi Michael,

as FJC wrote, Simius has introduced this incompatibility as a feature of the SOPHIA extension (2 colors in Hi-Res).

However people started to complain and Simius re-worked the FPGA code and offers it to people interested in better compatibility rather than wanting to have one more color.

Unfortunately the update requires a programming tool (USB Blaster) and a "micro match" 10 pin connector:

 

attachicon.gifIMG_20170307_225435.jpg

 

The programming tool Quartus (I used version 15.1) can be downloaded (after free registration) from the Altera web page.

Please contact Simius to get the *.pof file if you are interested in the update (which covers also some other bugs).

 

Can you help a fella out and let 'em know where to get that "micro match" 10 pin connector and how to make the cable?



#424 ivop ONLINE  

ivop

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Posted Mon Mar 27, 2017 1:49 PM

http://www.ebay.com/...r-/182288456444



#425 Ely OFFLINE  

Ely

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Posted Mon Mar 27, 2017 2:38 PM

What about the "USB Blaster" are they a common item? I must admit, regardless of how great the picture quality is, if there's an update to make the colours correct I want it. 






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