EclaireXL

07/15/2017

09:47 PM Bug #25: F10 Hard Reset Ignore inserted cartridge (Core v7)

This is the last thing remaining for V15. In order to do it (simply) I decided to allow off PBI access from turbo mod... foft

09:44 PM Bug #25 (In Progress): F10 Hard Reset Ignore inserted cartridge (Core v7)

foft

07/09/2017

01:25 PM Feature #24: A board with Atari SOUL!!!! (ROM in block ram support)

I'm using block ram in the FPGA for the OS ROM and BASIC. It can be read in 2 cycles and written to in 1 cycle. SDRAM... foft

07/07/2017

11:05 PM Feature #24: A board with Atari SOUL!!!! (ROM in block ram support)

??? What you mean here? sadosp

09:26 PM Feature #24: A board with Atari SOUL!!!! (ROM in block ram support)

Also of course nice and fast vs uncached sdram...
sysinfo fp test from 6x->20x :-) I probably need a cache to get... foft

09:13 PM Feature #2: PBI support

Added antic refresh cycles foft

07/06/2017

09:28 PM Feature #51: Debug port

I have a first cut of this building. This will be part of the v15 core.
Next I need to build the capture software ... foft

07/05/2017

09:41 PM Bug #49 (Closed): CORE13 - NTSC/PAL switching

foft

09:40 PM Bug #49: CORE13 - NTSC/PAL switching

Fixed, will be in v15 when I release it. foft

07/04/2017

09:31 PM Bug #49: CORE13 - NTSC/PAL switching

Trying to fix this one, but its nasty. I need more brain cycles to fix it... foft

09:29 PM Feature #14: Svideo core for first prototype

Hmm, just reading that IRE is _relative_ so that might be why increasing voltage didn't make anything brighter!!
h... foft

07/03/2017

06:42 AM Feature #14: Svideo core for first prototype

Stephen wrote:
> Hate to be a dunce - where is the documentation for cabling s-video from this board?
You can us... sadosp

12:31 AM Feature #14: Svideo core for first prototype

foft wrote:
> For anyone with composite/svideo setup. Please can you tell me what you think of svideo_gtia6.sof vs t... Stephen

07/02/2017

10:50 PM Feature #14: Svideo core for first prototype

For anyone with composite/svideo setup. Please can you tell me what you think of svideo_gtia6.sof vs the previous ver... foft

11:42 AM Feature #14: Svideo core for first prototype

I mean svideo and composite, it's the same thing pretty much.
I've got the gtia style one running pretty well for... foft

01:10 PM Bug #54: GTIA issue when Turbo > 4X

Yeah, this kind of test program is very helpful. Thanks. foft

05:54 AM Bug #54: GTIA issue when Turbo > 4X

Thanks Stephen!
sadosp

03:46 AM Bug #54 (Closed): GTIA issue when Turbo > 4X

I'm attaching a BASIC listing of a PMG test program I wrote to assist in diagnosing an issue with the 1088XEL. For f... Stephen

07/01/2017

06:43 PM Feature #14: Svideo core for first prototype

sadosp wrote:
> Maybe is time to think about implementing one external RGB -> composite/s-video converter, fit direc... Stephen

05:31 PM Feature #14: Svideo core for first prototype

Maybe is time to think about implementing one external RGB -> composite/s-video converter, fit directly to VGA output... sadosp

05:05 PM Feature #14: Svideo core for first prototype

That works, kind of! Basic screen and star wars shields look the correct colours, but I have no red. Also very grainy... foft

12:59 PM Feature #14: Svideo core for first prototype

Writing an 'atari-style' implementation instead of going via RGB. Fixed saturation, simple phase shift for colour. foft

07:10 AM Feature #14: Svideo core for first prototype

Interesting...
http://atariage.com/forums/topic/29621-atari-video-circuits-experiment/
So fixed saturation (exc... foft

03:59 PM Feature #53 (Closed): Add version number to settings

Add version number to settings foft

06/30/2017

11:30 PM Bug #52: Atari Control Picture

foft wrote:
> I checked an older core in case I introduced it with the antic timing changes for pbi. Was bad then, s... Stephen

10:15 PM Bug #52: Atari Control Picture

I checked an older core in case I introduced it with the antic timing changes for pbi. Was bad then, so unrelated.
... foft

10:10 PM Feature #14: Svideo core for first prototype

Added a poke 712,15 for comparison of max values. Interesting how the amplitude for basic 'blue' is so much higher ye... foft

09:54 PM Feature #14: Svideo core for first prototype

I mean see how the 'white' on ready already takes most of the range, without trying to increase it. foft

09:54 PM Feature #14: Svideo core for first prototype

Atari
!composite_atari_basic.png!
Eclaire
!composite_eclaire_basic.png!
We have a range of 0-1v on the DAC. 0... foft

09:50 PM Feature #14: Svideo core for first prototype

Added traces of Atari basic from the scope, to see the voltage level differences.
Eclaire is driving my monitor, A... foft

06/29/2017

11:30 PM Bug #52 (Closed): Atari Control Picture

CORE14, PAL & NTSC exhibit the same behaviour. When displaying the attached Atari Control Picture, the colour blocks... Stephen

08:59 PM Bug #49: CORE13 - NTSC/PAL switching

I think I've identified the problem. If the zpu happens to exit the menu at the end of an 'original' cycle the pbi lo... foft

06/23/2017

07:27 AM Feature #11: Non-uk keyboard support (custom keyboard mapping)

It's written in c. The Atari core is built with a DMA port and the ability to freeze the 6502. Outside that there is ... foft

04:31 AM Feature #11: Non-uk keyboard support (custom keyboard mapping)

Okay, sounds great. So, is the system menu actually an Atari program or is it VHDL code?
917k

06/22/2017

09:12 PM Feature #11: Non-uk keyboard support (custom keyboard mapping)

Yeah, that should work. You just described a multiplexor btw.
Got guests this weekend, so will do the plumbing nex... foft

06/21/2017

11:30 PM Feature #11: Non-uk keyboard support (custom keyboard mapping)

Mark,
It works great! Very Cool! Thank you for the test build. If we can add a toggle to the system menu and assig... 917k

08:56 PM Feature #11: Non-uk keyboard support (custom keyboard mapping)

I put up a build with your mapping as ansikbd.sof in the usual place. Let me know if it works as expected please. foft

09:44 AM Feature #11: Non-uk keyboard support (custom keyboard mapping)

Thanks
11 is left alt
extended 11 is right alt - I use 1xx for extended xx.
I'll build a test core with your c... foft

02:55 AM Feature #11: Non-uk keyboard support (custom keyboard mapping)

Rethinking this, I'm not sure if we need to have a user-mappable keyboard at all as long as we have support for both ... 917k

02:37 AM Feature #11: Non-uk keyboard support (custom keyboard mapping)

TEST 917k

12:06 AM Feature #11: Non-uk keyboard support (custom keyboard mapping)

I would say just use a text file, it's easier to create/edit. Also, The EclaireXL could have keys that have no equiva... 917k

09:02 PM Bug #33: Wizard of Wor

I'm going to build a debug tool to make it easier to track these things down.
For now, a workaround. Use 2x turbo ... foft

06/20/2017

09:41 PM Feature #2: PBI support

Excellent! sadosp

07:08 PM Feature #2: PBI support

Hias tried out PBI on the v1.
Surprise: Turbo freezer didn't work! Mine works perfectly on v2...
He investiga... foft

07:51 PM Feature #11: Non-uk keyboard support (custom keyboard mapping)

its keyboard mapping from ATARI800WIN Emulator, see attached file ndary

07:41 PM Feature #11: Non-uk keyboard support (custom keyboard mapping)

What is an a8k file? Is there already a keyboard mapping file format we can use? foft

07:36 PM Feature #14: Svideo core for first prototype

Worth a read for some background: http://codeandlife.com/2012/10/09/composite-video-decoding-theory-and-practice/#mor... foft

07:12 PM Feature #51 (New): Debug port

I'm finding it hard to track down issues in some games/programs. Output debug information so I can look into the prob... foft