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Hi there,
I've tried building from scratch as per the reference document here: https://github.com/jamesbowman/swapforth/raw/master/j1a/doc/j1a-reference.pdf
The Verilog seems to build and program O…
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We should do a dry run of the installation process on both MacOS and Linux to verify everything is in order. In particular, we should test the `install_icestorm.py` script.
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Repro: [glasgow_of2ssfk4.zip](https://github.com/cseed/arachne-pnr/files/1988408/glasgow_of2ssfk4.zip)
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It compiled ok on one other PC I have, but I get the following error on my Laptop:
```
Compile nucleus...
tdp FF0 tcp 0
Compile Ice Cream Machine...
Free Pascal Compiler version 3.0.0 [2015/11/26] f…
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Current there are the following packages distributed in various conda channel:
- for yosys:
https://anaconda.org/symbiflow/antmicro-yosys
https://anaconda.org/symbiflow/symbiflow-yosys
https://a…
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Now that IceStorm has documented the timing for these devices (and in fact can generate a nice static timing report via icetime), would you consider adding timing-driven P&R to arachne? We really nee…
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Hi,
I've been trying to get this library to work on an Ice40 FPGA with Icestorm,
it -really- doesn't want to work thanks to the ' or posedge i_SPI_CS_n' of line 154.
On removal, it will compile…
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I see in j1a.v that the pin headers on the board are defined... with addresses defined under "IO PORTS" but I can't seem to set them:
> 255 $0020 io!
> ok
> $0020 io@ .
> 255 ok
> 255 $0010 io!
>…
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# Symbiflow package manager / build system
# Brief explanation
To be productive writing fpga code there needs to be a great package manager. Not sure if it is in the scope of symbiflow, but usin…
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In `./icebox/icebox_vlog.py`:
https://github.com/cliffordwolf/icestorm/blob/88eebff7db9d76e418ccbddd884c4e617596a428/icebox/icebox_vlog.py#L378
This doesn't respect `$(PREFIX)` during installati…