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Commit 10056a60 authored by Andrey Filippov's avatar Andrey Filippov
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added direct/cascade parameters

parent 49883757
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Showing with 5 additions and 3 deletions
dsp/dsp_ma_preadd.v
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......@@ -41,7 +41,9 @@
module dsp_ma_preadd #(
parameter B_WIDTH = 18,
parameter A_WIDTH = 25,
parameter P_WIDTH = 48)
parameter P_WIDTH = 48,
parameter A_INPUT = "DIRECT", // other: "CASCADE"
parameter B_INPUT = "DIRECT") // other: "CASCADE"
(
input clk,
input rst,
......@@ -84,10 +86,10 @@ module dsp_ma_preadd #(
.ALUMODEREG (1),
.AREG (1), // 2), // (1) - means number in series, so "2" always reads the second
.AUTORESET_PATDET ("NO_RESET"),
.A_INPUT ("DIRECT"),
.A_INPUT (A_INPUT), // "DIRECT", "CASCADE"
.BCASCREG (1),
.BREG (1), // (2), // (1) - means number in series, so "2" always reads the second
.B_INPUT ("DIRECT"),
.B_INPUT (B_INPUT), // "DIRECT"),
.CARRYINREG (1),
.CARRYINSELREG (1),
.CREG (0), //(1),
......
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