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authorEddie Hung <eddie@fpgeh.com>2019-04-17 12:15:34 -0700
committerEddie Hung <eddie@fpgeh.com>2019-04-17 12:15:34 -0700
commit42c33db22caeffa05bde59d915a4433b756929a1 (patch)
tree379cc6d004d6feae33763ce15e40b6b3233d6da0 /techlibs/ice40/abc.v
parentc1ebe51a75ef8ce47d6b1406fa87b15bd8f97760 (diff)
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Rename to abc.*
Diffstat (limited to 'techlibs/ice40/abc.v')
-rw-r--r--techlibs/ice40/abc.v12
1 files changed, 12 insertions, 0 deletions
diff --git a/techlibs/ice40/abc.v b/techlibs/ice40/abc.v
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+(* abc_box_id = 1 *)
+module SB_CARRY (output CO, input CI, I0, I1);
+ assign CO = (I0 && I1) || ((I0 || I1) && CI);
+endmodule
+
+(* abc_box_id = 2 *)
+module SB_LUT4 (output O, input I0, I1, I2, I3);
+ parameter [15:0] LUT_INIT = 0;
+ // Indicate this is a black-box
+ assign O = 1'b0;
+endmodule
+