From c0f54d3fd5e2492afbe1717a67ea78f3be7f6b39 Mon Sep 17 00:00:00 2001 From: Eddie Hung Date: Fri, 4 Oct 2019 10:34:16 -0700 Subject: [PATCH] Ohmilord this wasn't added all this time!?! --- techlibs/ice40/abc_model.v | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 techlibs/ice40/abc_model.v diff --git a/techlibs/ice40/abc_model.v b/techlibs/ice40/abc_model.v new file mode 100644 index 000000000..89961b51d --- /dev/null +++ b/techlibs/ice40/abc_model.v @@ -0,0 +1,29 @@ +(* abc9_box_id = 1, lib_whitebox *) +module \$__ICE40_CARRY_WRAPPER ( + (* abc_carry *) + output CO, + output O, + input A, B, + (* abc_carry *) + input CI, + input I0, I3 +); + parameter LUT = 0; + SB_CARRY carry ( + .I0(A), + .I1(B), + .CI(CI), + .CO(CO) + ); + SB_LUT4 #( + .LUT_INIT(LUT) + ) adder ( + .I0(I0), + .I1(A), + .I2(B), + .I3(I3), + .O(O) + ); +endmodule + + -- 2.30.2