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foft's activity

From 05/12/2018 to 06/10/2018

06/10/2018

08:52 PM EclaireXL Feature #70: Add hotkeys for video mode selection
I think its on the right windows key, checking... foft
08:19 PM EclaireXL Feature #70: Add hotkeys for video mode selection
+ Added 1,2,3,4 for profile switch + load foft
08:12 PM EclaireXL Feature #70 (Closed): Add hotkeys for video mode selection
Will release in v24 foft
08:12 PM EclaireXL Feature #70: Add hotkeys for video mode selection
Added something simple...
Press F11 to go to menu.
Then press:
P: PAL
N: NTSC
R: RGB
A: SCANDOUBLE
D: DVI
H...
foft
08:10 PM EclaireXL Feature #70 (Closed): Add hotkeys for video mode selection
Been meaning to add a simple way to switch mode from keyboard. foft

06/07/2018

06:48 AM EclaireXL Bug #64: Pokey pdm timing incorrect
Anyway v23 sounds nice for pdm, reliably. foft
06:47 AM EclaireXL Bug #64: Pokey pdm timing incorrect
The issue was that the write to stimer was now exactly on the enable cycle. I modified the latch delay line to suppor... foft
06:45 AM EclaireXL Bug #69: Some TVs confused by hdmi audio
See video for example
https://photos.app.goo.gl/c3VMPp0XY7nIaJBG3
Not much to go on. Perhaps the clock regen pa...
foft
06:43 AM EclaireXL Bug #69 (New): Some TVs confused by hdmi audio
foft
06:42 AM EclaireXL Bug #6 (Closed): HDMI audio poor quality
foft

06/05/2018

10:07 PM EclaireXL Bug #64: Pokey pdm timing incorrect
Aha, got it... foft
09:58 PM EclaireXL Bug #64: Pokey pdm timing incorrect
Problem with stimer?? foft
09:09 PM EclaireXL Bug #64 (In Progress): Pokey pdm timing incorrect
Reopening, inconsistent timing in calibrate foft
09:07 PM EclaireXL Bug #31 (Closed): HDMI Audio generate high pitch noise (Core 8)
foft
09:07 PM EclaireXL Bug #31: HDMI Audio generate high pitch noise (Core 8)
Added a low pass filter and this is gone, to be released in v23. foft
09:07 PM EclaireXL Bug #6: HDMI audio poor quality
Wired this up and sounding much better.
Unfortunately @farb seems to have completely different symptoms! https://p...
foft

06/04/2018

10:00 PM EclaireXL Bug #6: HDMI audio poor quality
Could look into FIR and IIR filters, but to be honest this seems very lightweight and to work well. Will implement an... foft
09:58 PM EclaireXL Bug #6: HDMI audio poor quality
Trying out various options in Octave.
sample = current method (just take the current value), flat line at top!
me...
foft
09:15 PM EclaireXL Feature #68: Implement stock Atari 800 mode
I agree, not to mention that 4th joystick port's poor fire button. I actually built most of this for the mist a while... foft

06/03/2018

08:35 PM EclaireXL Bug #6: HDMI audio poor quality
Investigating resampling high frequencies to 48KHz with some plots in Octave. The average that I removed wasn't a bad... foft

06/02/2018

10:15 PM EclaireXL Bug #31: HDMI Audio generate high pitch noise (Core 8)
HDMI audio is sounding better now in general (signed/unsigned). This high pitched noise is still heard in some cases ... foft
08:27 PM EclaireXL Bug #66: Odd flash behaviour on new boards
Flashing a new PDM is very clear that the board is erasing in 64KB blocks. That does not explain the core corruption ... foft
08:01 PM EclaireXL Bug #6: HDMI audio poor quality
The biggest issue with this appears to be that I need to send signed samples. Changed that and its sounding much better. foft

06/01/2018

08:24 AM EclaireXL Bug #64: Pokey pdm timing incorrect
Been checking on the scope. The one cycle delay looks correct.
Some jitter issues due to when I activate pokey. I wa...
foft

05/29/2018

10:07 PM EclaireXL Bug #64: Pokey pdm timing incorrect
Tried a 1 cycle and a half cycle delay on the input to the xor. Neither are seeming quite right, but 1 cycle delay is... foft
08:21 PM EclaireXL Bug #64: Pokey pdm timing incorrect
Phaeron got a scope on it:
http://atariage.com/forums/topic/244946-using-pulse-density-modulation-for-8-bit-pcm/page...
foft

05/28/2018

09:52 PM EclaireXL Bug #66: Odd flash behaviour on new boards
Gathering ids on other boards in case I need to switch on that: [[Flash_chip_by_board]] foft
09:49 PM EclaireXL Bug #6: HDMI audio poor quality
# Is the time between this always the same? If so can dIs the sound quality poor because I removed the divide?
# If ...
foft

05/26/2018

09:11 PM EclaireXL Bug #66 (Closed): Odd flash behaviour on new boards
Ensure that the new flash chip is stable with the existing firmware strategy. It has some hybrid 64k/4k sector option... foft

05/25/2018

06:31 AM EclaireXL Feature #65: Implement ATA to SPI bridge
Above was info from flashjazzcat on the forum foft
06:30 AM EclaireXL Feature #65: Implement ATA to SPI bridge
I need to prepare a document outlining the minimum requirements of IDE emulation since I'm explaining the same thing ... foft

05/24/2018

08:44 PM EclaireXL Feature #65 (New): Implement ATA to SPI bridge
There is plenty of software for the Atari which accesses ATA hard drives via a simple register interface. Find out wh... foft

05/13/2018

10:04 PM EclaireXL Bug #64 (Closed): Pokey pdm timing incorrect
See
http://atariage.com/forums/topic/244946-using-pulse-density-modulation-for-8-bit-pcm/page-3#entry4025673
So w...
foft
 

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