Sunday, 2018-02-11

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tpbTitle: GitHub - alangarf/apple-one: An attempt at a small Verilog implementation of the original Apple 1 on an iCE40 FPGA (at
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MaZderMindmithro: the display does notrecognize the 1920x1080 modes(it suggests 1080p60 bit this might just be the highest mode it supports)10:39
MaZderMindthe decklink-card does also not recognize it10:40
MaZderMindthe 720 modes do work on the display10:40
MaZderMindtherefore i think that the timimgs are wrong, but i tried several variants10:40
MaZderMindthe pixel clock is actually lower then the 720p50 which does work10:41
MaZderMindto be clear: i'm looking for ways to denug this ;)10:42
MaZderMindi think i'll try to check the tdms-clock on the scope, it should be able do do this10:43
futarisIRCcloudFunny digital electronics with Open Source FPGAs10:55
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MaZderMindcan someone explain to me what d, m, bm and bd are i here?
tpbTitle: HDMI2USB-litex-firmware/processor.c at modeline-1920x1080-at-25-and-24 · MaZderMind/HDMI2USB-litex-firmware · GitHub (at
MaZderMindor maybe better just give those variables names that actually do mean anything14:49
MaZderMindi'm currently guessign that it can't tune the pll to the required pixel-clock:14:50
tpbTitle: 0bin - encrypted pastebin (at
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CarlFK[m]looks like: multiplier and divider and b=best17:02
CarlFK[m]MaZderMind: looks like: multiplier and divider and b=best17:02
CarlFK[m]mithro: serial console working,  same rev.  No idea what the problem was17:03
CarlFK[m]mithro: I did get 180 bytes of garbage when first connected17:04
CarlFK[m]er, 118 bytes of garbage.17:05
CarlFK[m]the garbage was from the atlys.  the opsis gave me 184 chars of "Disabling input0...hdmi_out0: Init I2C...finished..."
tpbTitle: Ubuntu Pastebin (at
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mithroCarlFK[m]: that is super interesting20:01
mithroCarlFK[m]: Can you log a bug?20:01
CarlFK[m]mithro (IRC): sure thing20:02
mithroCarlFK[m]: I'm pretty sure that rohitksingh was seeing something at the hackfest with one of the new boards we added....20:02
rohitksinghmithro: I got that initially on Neso. It could be related but I'm not 100% sure20:04
mithrorohitksingh: My spider sense is tingling though20:08
CarlFK[m]mithro (IRC): want me to try and dig out what the garbage chars are?
tpbTitle: Ubuntu Pastebin (at
rohitksinghmithro: yup it would be good to take a look20:12
mithrorohitksingh: I wonder if we always get it but just the way the opsis does the FX2 reset stuff means we never see it?20:12
mithroCarlFK[m]: It is most certainly feels like a non-zero terminated string somewhere?20:13
rohitksinghmithro: might be. Interestingly here also, it happened with the BIOS output. Might be reset issue.20:15
CarlFK[m]mithro (IRC): hmm.  normally hit enter and get the "H2U 00:01:47>"  ...20:16
CarlFK[m]im guessing it is the same strings as from the Opsis, but maybe the  serial/usb on the atys mucked it up20:17
rohitksinghGot to go for sleep right now. G'night CarlFK[m] and mithro! I'll check out this issue tomorrow20:19
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CarlFK[m]rohitksingh (IRC): good night20:19
CarlFK[m]mithro (IRC): this may not be new.  could be because I have the relay control to power cycle, so I can turn it on, hit up arrow a few times and run the term program in under 10 seconds ....21:29
CarlFK[m]mithro (IRC): which if you are power cycling by hand, you have to move around and it may always take longer than 10 seconds to run the term program21:30
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tpbTitle: In-line power switch for 2.1mm barrel jack ID: 1125 - $2.50 : Adafruit Industries, Unique & fun DIY electronics and kits (at
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