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22 Commits

Author SHA1 Message Date
Marcelina Kościelnicka 53ba3cf718 Fix the truth table for $_SR_* cells. 
This brings the documented behavior for these cells in line with
$_DFFSR_* and $_DLATCHSR_*, which is that R has priority over S.
The models were already reflecting that behavior.

Also get rid of sim-synth mismatch in the models while we're at it.
 2020-04-15 17:17:48 +02:00
Marcin Kościelnicki 0ed1062557 simcells.v: Generate the fine FF cell types by a python script. 
This makes adding more FF types in the future much more manageable.

Fixes #1824.
 2020-04-02 18:37:15 +02:00
Clifford Wolf 023086bd46 Add $_NMUX_, add "abc -g cmos", add proper cmos cell costs 
Signed-off-by: Clifford Wolf <clifford@clifford.at>
 2019-08-06 04:47:55 +02:00
whitequark 12596b5003 Fix typo. 2018-12-05 17:13:27 +00:00
Clifford Wolf 05cdd58c8d Add $_ANDNOT_ and $_ORNOT_ gates 2017-05-17 09:08:29 +02:00
Clifford Wolf 53655d173b Added $global_clock verilog syntax support for creating $ff cells 2016-10-14 12:33:56 +02:00
Clifford Wolf bd10927f45 Progress in cell library documentation 2016-02-01 13:58:10 +01:00
Clifford Wolf bbcbf739e6 Progress on cell help messages 2015-10-20 16:49:11 +02:00
Clifford Wolf 5d1c0ce7c0 Progress on cell help messages 2015-10-17 02:35:19 +02:00
Clifford Wolf 87adb523aa Added more cell descriptions 2015-10-14 20:30:59 +02:00
Clifford Wolf 7d3a3a3173 Added first help messages for cell types 2015-10-14 16:27:42 +02:00
Clifford Wolf d5b1a90b33 Added $tribuf and $_TBUF_ sim models 2015-08-16 13:05:32 +02:00
Larry Doolittle 6c00704a5e Another block of spelling fixes 
Smaller this time
 2015-08-14 23:27:05 +02:00
Clifford Wolf 6c84341f22 Fixed trailing whitespaces 2015-07-02 11:14:30 +02:00
Clifford Wolf 706631225e Added $_MUX4_, $_MUX8_, and $_MUX16_ cell types 2015-04-05 09:45:14 +02:00
Clifford Wolf fad9cec47b Added $_DFFE_??_ cell types 2014-12-08 10:43:38 +01:00
Clifford Wolf c3e779a65f Added $_BUF_ cell type 2014-10-03 10:12:28 +02:00
Clifford Wolf 47c2637a96 Added additional gate types: $_NAND_ $_NOR_ $_XNOR_ $_AOI3_ $_OAI3_ $_AOI4_ $_OAI4_ 2014-08-16 18:29:39 +02:00
Clifford Wolf f092b50148 Renamed $_INV_ cell type to $_NOT_ 2014-08-15 14:11:40 +02:00
Clifford Wolf 1202f7aa4b Renamed "stdcells.v" to "techmap.v" 2014-07-31 02:32:00 +02:00
Clifford Wolf d4a1b0af5b Added support for dlatchsr cells 2014-03-31 14:14:40 +02:00
Clifford Wolf 1afe6589df Renamed stdcells_sim.v to simcells.v and fixed blackbox.v 2013-11-24 20:44:00 +01:00