EclaireXL

11/26/2019

10:10 PM Revision 968 (repo2): basic mist ypbpr support

markw

11/17/2019

09:10 PM Feature #84: Add SID

Attaching some of the octave files from investigating this for reference + the wave files + other useful bits I found... foft

09:07 PM Feature #84: Add SID

Did some research over the weekend. Generating these isn't a terribly trivial problem!
I tried for some time to ge... foft

11/12/2019

10:19 PM Feature #84: Add SID

It sounds good to me, but not sure what it is meant to sound like!! foft

10:19 PM Feature #84: Add SID

Also wondering if the clk frequency is important (not enable), I see some state table increment on every clock, which... foft

10:18 PM Feature #84: Add SID

Wondering about some kind of bit map of unpopulated locations (reducing locations) or a 2nd lookup layer (reducing bi... foft

10:04 PM Feature #84: Add SID

I loaded the tables in to octave to take a look.
Observations...
* Not a simple curve
* Lots of zeros, >80% in ... foft

10:02 PM Feature #84: Add SID

Actually the issue with fitting in v2 is block ram, not ALMs. Though its always good to save ALMs!
The sid tables ... foft

09:05 AM Core v37 released again!

EclaireXL/A4: SID frequency was too fast, made it closer to 1MHz (still approx, but better than 1.77MHz).
xxl kind... foft

11/11/2019

10:16 PM Revision 967 (repo2): Improve sid frequency

markw

11/10/2019

10:12 PM Core v37 released

EclaireXL/MCC216/MCCTV:
* Fixed USB failure after 70 minutes.
* Fixed full speed usb init issue, this fixes my non-... foft

09:40 PM Revision 966 (repo2): Get sockit firmware building

markw

01:51 PM Revision 965 (repo2): Latest firmware with usb fix

markw

01:49 PM Revision 964 (repo2): version bump

markw

01:48 PM Revision 963 (repo2): experimental sid support, only fits in larger fpga

markw

01:47 PM Revision 962 (repo2): Path fix

markw

01:46 PM Revision 961 (repo2): Package a few additional files

markw

01:44 PM Revision 960 (repo2): Experimental sid support

markw

11/09/2019

04:59 PM Revision 959 (repo2): Fix nmi when freezer debug disabled

markw

10:05 AM Feature #84: Add SID

Also got this potential USB sharing, that'd save 750 ALMS. Each request/reply is host initiated, so no reason can't s... foft

10:03 AM Feature #84: Add SID

600 alms each, will use mono sid I guess. Or make it a generic and enable on the larger boards? foft

10:00 AM Feature #84: Add SID

Logic utilization (in ALMs) 9,808 / 9,430 ( 104 % ) foft

09:56 AM Feature #84: Add SID

Have a dual 8250 working, though it doesn't fit in the smaller boards. Investigating why, memory or logic... foft

09:56 AM Feature #84 (New): Add SID

Agreed to try adding a SID to the pokeymax.
Eclaire is a good test bed for this, so starting out with that foft

10:00 AM Bug #69: Some TVs confused by hdmi audio

Hias had some clever approaches, capturing the digital audio out from the tv etc foft

09:59 AM Bug #69: Some TVs confused by hdmi audio

I dug into this a bit with Hias. It turned out the issue for him was noise from the dac, so distinct issue. Though I ... foft

09:58 AM Feature #32: option to connect the original ATARI XL keyboard to ExclairXL

Panos kindly sent me the boards he designed. I put together the bom on mouser and digikey. will order some parts and ... foft

09:55 AM Feature #51: Debug port

Now I have the saleae I figure I can stream this more reliably to the PC. Will have a go at this soon... Perhaps I wr... foft

09:54 AM Feature #82: Setting for mono pokey

With adding sid should probably allow that to be on/off too.
pokey 1/2
sid 0/1
2 bits? foft

09:44 AM Bug #83: Many USB hubs do not work

Just did a bit more testing. Two hubs, two keyboards and a joystick. Fiddled with unplugging/re-plugging etc and all ... foft

11/08/2019

10:58 PM Bug #83 (Closed): Many USB hubs do not work

foft

10:57 PM Bug #83 (Resolved): Many USB hubs do not work

foft

10:54 PM Bug #83: Many USB hubs do not work

Got it, I needed to set the line control earlier on. It was set to 'NORMAL' after the reset and this leads to the SET... foft

10:53 PM Revision 958 (repo2): Set line control earlier on. Otherwise hubs reject the set_address, since it comes too soon.

markw

07:39 PM Revision 957 (repo2): Removed non-trunk!

markw

11/07/2019

10:53 PM Bug #83: Many USB hubs do not work

This setup is so much better for debugging than on the Eclaire. I have gdb on linux to debug the binary, I can printf... foft

10:49 PM Bug #83: Many USB hubs do not work

The hub is detected as connected, then it tries to set the address and fails.
So, the keyboards I'm using are low ... foft

10:07 PM Bug #83: Many USB hubs do not work

OK, circuit build and wired up. I can type on the sockit.
Now to get some debugging in place and try the hub. foft

11/06/2019

08:57 PM Bug #83: Many USB hubs do not work

Wired up the USB to gpio, added another pll for the pll clock.
Now will get the software to poll usb and see if I ... foft

11/05/2019

10:12 PM Bug #83: Many USB hubs do not work

Updating the avalon arm regs, to the latest zpu config regs. Which has USB...
Will also add another avalon slave ... foft

11/04/2019

10:38 PM Bug #83: Many USB hubs do not work

Managed to get the core flashing ok (was bad rbf generation).
Also installed gcc and the binaries are running ok.
C... foft

11/03/2019

10:21 PM Bug #83: Many USB hubs do not work

Well I can flash it and get sync on vga, but no dice. I remembered I needed to run the firmware binary. I flashed the... foft

08:24 PM Bug #83: Many USB hubs do not work

Managed to get the SOCkit board up and running and set up linux.
Now going to build/flash the existing 800 core as ... foft

09:25 AM Bug #83: Many USB hubs do not work

I've known about this for a long time but have never really looked into it, since its a pain and hubs are not that im... foft

09:23 AM Bug #83 (Closed): Many USB hubs do not work

Only the hub I did initial testing with works. Investigate why. foft

11/01/2019

10:34 PM Feature #82 (New): Setting for mono pokey

Hias asked me for a mono pokey mode, where its output to both speakers.
foft

10:17 PM Bug #75 (Closed): USB keyboard stops functioning after idle period

foft

10:17 PM Bug #75 (Resolved): USB keyboard stops functioning after idle period

Added a timer elapsed function that handles the overflow. This makes the max delay 35 mins, but I think that is ok...... foft

09:32 PM Bug #75: USB keyboard stops functioning after idle period

((2^32)/1e6)/60 = 71...
So trivial fix. I clearly don't need the Saleae to debug this one, but that isn't so bad. ... foft

09:30 PM Bug #75: USB keyboard stops functioning after idle period

Trying it with two keyboards. So far an hour and working.
Though I have a hunch that it'll stop working in 10 minu... foft

10:15 PM Revision 956 (repo2): Bug#75: Fix USB keyboard hang after 70 minutes

markw