From: Joshua Wise <joshua@rebirth.joshuawise.com>
Date: Thu, 20 Mar 2008 18:28:45 +0000 (-0400)
Subject: what the fuck, this was supposed to get the slice count down, instead it's up to... 
X-Git-Tag: PRE_ROLLBACK~4
X-Git-Url: http://git.joshuawise.com/mandelfpga.git/commitdiff_plain/6cdf39e2f6086d89e72e39b94235221a4d65fd99?ds=sidebyside

what the fuck, this was supposed to get the slice count down, instead it's up to 4716\!
---

diff --git a/Main.v b/Main.v
index ccc11c7..cff3b4e 100644
--- a/Main.v
+++ b/Main.v
@@ -114,11 +114,12 @@ module MandelUnit(
 	output reg rsout, isout,
 	output reg [7:0] obail, ocuriter);
 
-	wire [14:0] r2, i2, ri, diff;
+	wire [13:0] r2, i2;
+	wire [14:0] ri, diff;
 	wire [15:0] twocdiff;
 	wire r2sign, i2sign, risign, dsign;
-	wire [15:0] bigsum;
-	wire bigsum_ovf, rin_ovf, iin_ovf, throwaway;
+	wire [13:0] bigsum;
+	wire bigsum_ovf;
 
 	reg [12:0] xd, yd;
 	reg ineedbaild;
@@ -131,8 +132,8 @@ module MandelUnit(
 	Multiplier i2m(clk, i[12:0], i[12:0], isign, isign, i2[12:0], i2sign, i2[13]);
 	Multiplier rim(clk, r[12:0], i[12:0], rsign, isign, ri[13:1], risign, ri[14]);
 
-	assign bigsum = r2 + i2;
-	assign bigsum_ovf = bigsum[15] | bigsum[14];
+	assign bigsum = r2[12:0] + i2[12:0];
+	assign bigsum_ovf = bigsum[13] | r2[13] | i2[13];
 	
 	assign twocdiff = r2 - i2;
 	assign diff = twocdiff[15] ? -twocdiff : twocdiff;