#logic analyzer view

16 messages · Page 1 of 1 (latest)

fathom chasm
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Maybe as a DLC a logic analyzer feature with spreadsheet export.

May build upon the current probe feature.

brittle skiff
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Maybe some detail as to what you're wanting it to do? There are third party tools like Logic Friday that will do PoS and/or SoP minimizations for you if that's all you're looking for (though I haven't found one that's particularly useful for the modern incarnation of the game yet.. simple two-level minimizers can't take advantage of XOR/XNOR, and none of them will understand TC's switch mechanic for reducing delay).

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But I could be totally misunderstanding your ask 😉

fathom chasm
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I have no real experience in the use of such tool. My understanding is that such a view could help when looking for bugs and doing testing on interfaces. My long term idea is to allow TC components to be deployed on small FPGA boards where IO pins are available for interfacing. But a first step would be mostly an educative feature, to show what a logic analyzer output looks like. Some level challenge could ask the player to find some bug with it.

brittle skiff
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to show what a logic analyzer output looks like
That's kind of what I'm asking - what are you expecting it to look like? What kinds of analysis are you looking to have done? "Logic analysis" could mean any of a few things and I suspect that the "simple" 2-level minimizers are probably not what you're looking for (or at least not all of what you're looking for)?

fathom chasm
hybrid lodge
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So what you want is a logic tracer?

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I.e. the ability to generate .vcd files

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Currently you can indirectly do this by using the verilog exporter

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(and I guess a builtin viewer for those kinds of outputs, although IMO external tools + explanations in game are a better choice for viewing instead of reimplementing them)

fathom chasm
hybrid lodge
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So yes, logic trace generation like it's displayable by gtkwave