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| author | Peter Crozier <peter@crozier.com> | 2020-06-03 17:19:28 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-06-03 17:19:28 +0100 |
| commit | 0d3f7ea011288e1a1fadd4ae27f1e8a57d729053 (patch) | |
| tree | 07bde0d9f492233728070234aed2abd45fbd464d /techlibs/common/abc9_model.v | |
| parent | 17f050d3c6b8934141c42f96a3418de67a687b2c (diff) | |
| parent | 46ed0db2ec883a4ce330c81f321511e36e35c0b3 (diff) | |
| download | yosys-0d3f7ea011288e1a1fadd4ae27f1e8a57d729053.tar.gz yosys-0d3f7ea011288e1a1fadd4ae27f1e8a57d729053.tar.bz2 yosys-0d3f7ea011288e1a1fadd4ae27f1e8a57d729053.zip | |
Merge branch 'master' into struct
Diffstat (limited to 'techlibs/common/abc9_model.v')
| -rw-r--r-- | techlibs/common/abc9_model.v | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/techlibs/common/abc9_model.v b/techlibs/common/abc9_model.v index c0c5dc2fd..4fee60f75 100644 --- a/techlibs/common/abc9_model.v +++ b/techlibs/common/abc9_model.v @@ -1,10 +1,25 @@ -module \$__ABC9_FF_ (input D, output Q); -endmodule - (* abc9_box *) -module \$__ABC9_DELAY (input I, output O); +module $__ABC9_DELAY (input I, output O); parameter DELAY = 0; specify (I => O) = DELAY; endspecify endmodule + +(* abc9_flop, abc9_box, lib_whitebox *) +module $__DFF_N__$abc9_flop (input C, D, Q, output n1); + assign n1 = D; + specify + $setup(D, posedge C, 0); + (posedge C => (n1:D)) = 0; + endspecify +endmodule + +(* abc9_flop, abc9_box, lib_whitebox *) +module $__DFF_P__$abc9_flop (input C, D, Q, output n1); + assign n1 = D; + specify + $setup(D, posedge C, 0); + (posedge C => (n1:D)) = 0; + endspecify +endmodule |