##openfpga on 2019-04-06 — irc logs at freenode.irclog.whitequark.org

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01:35 <emeb> dammit - working on this 6502 FPGA system has me sidetracked into studying MS BASIC assembly code from 1978.

01:37 <_whitenotifier-1> [Glasgow] whitequark commented on issue #116: Verify NAND programming on revC - https://git.io/fjLPp

01:38 <_whitenotifier-1> [GlasgowEmbedded/Glasgow] whitequark pushed 1 commit to master [+0/-0/±1] https://git.io/fjLPh

01:38 <_whitenotifier-1> [GlasgowEmbedded/Glasgow] whitequark c581656 - applet.memory.onfi: mark as preview-quality again.

01:40 <_whitenotifier-1> [Glasgow] Success. The Travis CI build passed - https://travis-ci.org/GlasgowEmbedded/Glasgow/builds/516452308?utm_source=github_status&utm_medium=notification

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02:20 <_whitenotifier-1> [GlasgowEmbedded/Glasgow-Archive] whitequark pushed 1 commit to master [+2/-0/±0] https://git.io/fjLX3

02:20 <_whitenotifier-1> [GlasgowEmbedded/Glasgow-Archive] whitequark 8840ac5 - Add G00030: ONFI 1.0

02:40 <_whitenotifier-1> [GlasgowEmbedded/Glasgow] whitequark pushed 1 commit to master [+0/-0/±1] https://git.io/fjLXl

02:40 <_whitenotifier-1> [GlasgowEmbedded/Glasgow] whitequark c733ace - support.bits: fix misleading error message.

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02:43 <_whitenotifier-1> [Glasgow] Success. The Travis CI build passed - https://travis-ci.org/GlasgowEmbedded/Glasgow/builds/516462023?utm_source=github_status&utm_medium=notification

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06:04 <_whitenotifier-1> [GlasgowEmbedded/Glasgow] whitequark pushed 3 commits to master [+1/-0/±3] https://git.io/fjL19

06:04 <_whitenotifier-1> [GlasgowEmbedded/Glasgow] whitequark 431cada - applet.memory.onfi: increase wait states to 3.

06:04 <_whitenotifier-1> [GlasgowEmbedded/Glasgow] whitequark aaa0c07 - protocol.onfi: new protocol.

06:04 <_whitenotifier-1> [GlasgowEmbedded/Glasgow] whitequark bdb299f - applet.memory.onfi: parse and use ONFI parameter page.

06:06 <_whitenotifier-1> [Glasgow] Success. The Travis CI build passed - https://travis-ci.org/GlasgowEmbedded/Glasgow/builds/516489267?utm_source=github_status&utm_medium=notification

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07:08 <_whitenotifier-1> [GlasgowEmbedded/Glasgow] whitequark pushed 2 commits to master [+0/-0/±2] https://git.io/fjLMn

07:08 <_whitenotifier-1> [GlasgowEmbedded/Glasgow] whitequark 5e4362f - applet.memory.onfi: print ID signature.

07:08 <_whitenotifier-1> [GlasgowEmbedded/Glasgow] whitequark 7bfb641 - applet.memory.onfi: allow reading data and spare into one file.

07:11 <_whitenotifier-1> [Glasgow] Success. The Travis CI build passed - https://travis-ci.org/GlasgowEmbedded/Glasgow/builds/516498476?utm_source=github_status&utm_medium=notification

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09:17 <_whitenotifier-1> [Glasgow] Success. The Travis CI build passed - https://travis-ci.org/GlasgowEmbedded/Glasgow/builds/516523824?utm_source=github_status&utm_medium=notification

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10:20 <_whitenotifier-1> [GlasgowEmbedded/Glasgow] whitequark pushed 2 commits to master [+0/-0/±2] https://git.io/fjLyv

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10:20 <_whitenotifier-1> [GlasgowEmbedded/Glasgow] whitequark 23f5abe - applet.memory.onfi: remove debugging code.

10:20 <_whitenotifier-1> [GlasgowEmbedded/Glasgow] whitequark 87bea67 - applet.memory.onfi: implement up to 4 CE#, and add some docs.

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10:22 <_whitenotifier-1> [Glasgow] Success. The Travis CI build passed - https://travis-ci.org/GlasgowEmbedded/Glasgow/builds/516536525?utm_source=github_status&utm_medium=notification

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11:49 <_whitenotifier-1> [GlasgowEmbedded/Glasgow] whitequark pushed 2 commits to master [+0/-0/±2] https://git.io/fjLyp

11:49 <_whitenotifier-1> [GlasgowEmbedded/Glasgow] whitequark 35beeb6 - applet.memory.onfi: use R/B# wait after Reset.

11:49 <_whitenotifier-1> [GlasgowEmbedded/Glasgow] whitequark 20eb2d2 - applet.memory.onfi: unconditionally reset all targets.

11:51 <_whitenotifier-1> [Glasgow] Success. The Travis CI build passed - https://travis-ci.org/GlasgowEmbedded/Glasgow/builds/516551673?utm_source=github_status&utm_medium=notification

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11:57 <_whitenotifier-1> [GlasgowEmbedded/Glasgow] whitequark pushed 1 commit to master [+0/-0/±1] https://git.io/fjLSI

11:57 <_whitenotifier-1> [GlasgowEmbedded/Glasgow] whitequark 70a5dfa - applet.memory.onfi: allow programming data and spare from one file.

11:59 <_whitenotifier-1> [Glasgow] Success. The Travis CI build passed - https://travis-ci.org/GlasgowEmbedded/Glasgow/builds/516552857?utm_source=github_status&utm_medium=notification

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19:26 <tnt> daveshah: in the IO tile, the z=0 is the 'N' side of the diff input right ? (and z=1 the 'P' side)

19:28 <daveshah> Pretty sure z=0 is the 'P' side

19:29 <daveshah> IO cell z=0

19:29 <daveshah> Which is IeRen z=1 on the newer devices just to confuse things

19:29 <tnt> Mmm , I was looking at TN1253 which made me doubt things :/

19:30 <tnt> https://www.latticesemi.com/-/media/LatticeSemi/Documents/ApplicationNotes/UZ/UsingDifferentialIOLVDSSubLVDSiniCE40Devices.ashx?document_id=47960

19:30 <tnt> first page the graphics with the LVDS input has DPxxA DPxxB markings.

19:32 <daveshah> The pinout spreadsheet refers to the "A" side as true

19:33 <tnt> yeah ... that's what's confusing, one document contradicts the other.

19:34 <daveshah> nextpnr treats the "A" side as "P" and that worked for my CSI-2 project

19:35 <tnt> Ok, yeah good enough :)

19:35 <tnt> I remember that there was something weird, but I think that what I remember is the SB_IO instance has to be on the N pin.

19:36 <daveshah> Not in nextpnr, afaik

19:37 <tnt> mmm, maybe that was arachne ? Oh well ... maybe I'm just wrong.

19:40 <adamgreig> Pretty sure I had to use the N pin on ice40 for the SB_IO in comparator mode

19:41 <tnt> yeah, I have that memory too.

19:54 <daveshah> I think the P pin is always used, but this is the 'A' side for UP5K and 'B' side for the older iCE40s

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