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yosys/docs/source/code_examples/intro/counter_outputs.ys
Krystine Sherwin dbc38d72cf
docs: moving code examples
Code now resides in `docs/source/code_examples`.
`CHAPTER_Prog` -> `stubnets`
`APPNOTE_011_Design_Investigation` -> `selections` and `show`
`resources/PRESENTATION_Intro` -> `intro`
`resources/PRESENTATION_ExSyn` -> `synth_flow`
`resources/PRESENTATION_ExAdv` -> `techmap`,  `macc`, and `selections`
`resources/PRESENTATION_ExOth` -> `scrambler` and `axis`

Note that generated images are not yet configured to build from the new code locations.
2023-11-14 12:55:39 +13:00

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# read design
read_verilog counter.v
hierarchy -check -top counter
show -notitle -format dot -prefix counter_00
# the high-level stuff
proc; opt; memory; opt; fsm; 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