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yosys/docs/source/code_examples/intro/counter_outputs.ys
Krystine Sherwin f9ce3d1c26
WIP merging synth phases with example
Replace `typical_phases.rst` and `examples.rst` with a single `example_synth.rst`.
Also updating the counter example to match.

Aims to reduce redundancy, and simplify the getting started section.
Details on things like `proc`, `memory` and `fsm` should instead be in the advanced section (under the new `synth` subsection).
2023-12-07 13:04:46 +13:00

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# read
read_verilog counter.v
hierarchy -check -top counter
show -notitle -format dot -prefix counter_00
# elaborate
proc
show -notitle -format dot -prefix counter_proc
opt
show -notitle -format dot -prefix counter_01
# mapping to internal cell library
techmap; opt
splitnets -ports;;
show -notitle -format dot -prefix counter_02
# mapping flip-flops to mycells.lib
dfflibmap -liberty mycells.lib
# mapping logic to mycells.lib
abc -liberty mycells.lib
# cleanup
clean
show -notitle -lib mycells.v -format dot -prefix counter_03