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authorEddie Hung <eddie@fpgeh.com>2020-02-05 10:47:31 -0800
committerEddie Hung <eddie@fpgeh.com>2020-02-05 10:47:31 -0800
commitb6a1f627b5871e750fe6a559fbb42334c7de8b84 (patch)
treef1b284aebe30d0f7eabd9e8919b4275a38ff2ae4 /techlibs/ice40/arith_map.v
parent5aaa19f1ab33394accbe633cd96a3fbe281dd09a (diff)
parent5ebdc0f8e07989b79337ced0553bd28819a8cf3e (diff)
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Merge remote-tracking branch 'origin/master' into eddie/shiftx2mux
Diffstat (limited to 'techlibs/ice40/arith_map.v')
-rw-r--r--techlibs/ice40/arith_map.v5
1 files changed, 3 insertions, 2 deletions
diff --git a/techlibs/ice40/arith_map.v b/techlibs/ice40/arith_map.v
index 00a07247b..ed4140e44 100644
--- a/techlibs/ice40/arith_map.v
+++ b/techlibs/ice40/arith_map.v
@@ -49,13 +49,14 @@ module _80_ice40_alu (A, B, CI, BI, X, Y, CO);
// A[1]: 1100 1100 1100 1100
// A[2]: 1111 0000 1111 0000
// A[3]: 1111 1111 0000 0000
- .LUT(16'b 0110_1001_1001_0110)
+ .LUT(16'b 0110_1001_1001_0110),
+ .I3_IS_CI(1'b1)
) carry (
.A(AA[i]),
.B(BB[i]),
.CI(C[i]),
.I0(1'b0),
- .I3(C[i]),
+ .I3(1'bx),
.CO(CO[i]),
.O(Y[i])
);