And appnotes

29 files changed, 0 insertions, 728 deletions

diff --git a/manual/APPNOTE_011_Design_Investigation/cmos.v b/manual/APPNOTE_011_Design_Investigation/cmos.v
deleted file mode 100644
index 2912c760a..000000000
--- a/manual/APPNOTE_011_Design_Investigation/cmos.v
+++ /dev/null
@@ -1,3 +0,0 @@
-module cmos_demo(input a, b, output [1:0] y);
-assign y = a + b;
-endmodule
diff --git a/manual/APPNOTE_011_Design_Investigation/cmos_00.dot b/manual/APPNOTE_011_Design_Investigation/cmos_00.dot
deleted file mode 100644
index 49c630080..000000000
--- a/manual/APPNOTE_011_Design_Investigation/cmos_00.dot
+++ /dev/null
@@ -1,34 +0,0 @@
-digraph "cmos_demo" {
-rankdir="LR";
-remincross=true;
-n4 [ shape=octagon, label="a", color="black", fontcolor="black" ];
-n5 [ shape=octagon, label="b", color="black", fontcolor="black" ];
-n6 [ shape=octagon, label="y", color="black", fontcolor="black" ];
-c10 [ shape=record, label="{{<p7> A|<p8> B|<p9> Y}|$g0\nNOR|{}}" ];
-c11 [ shape=record, label="{{<p7> A|<p9> Y}|$g1\nNOT|{}}" ];
-c12 [ shape=record, label="{{<p7> A|<p9> Y}|$g2\nNOT|{}}" ];
-c13 [ shape=record, label="{{<p7> A|<p8> B|<p9> Y}|$g3\nNOR|{}}" ];
-x0 [ shape=record, style=rounded, label="<s0> 1:1 - 0:0 " ];
-x0:e -> c13:p9:w [arrowhead=odiamond, arrowtail=odiamond, dir=both, color="black", label=""];
-c14 [ shape=record, label="{{<p7> A|<p8> B|<p9> Y}|$g4\nNOR|{}}" ];
-x1 [ shape=record, style=rounded, label="<s0> 1:1 - 0:0 " ];
-x1:e -> c14:p8:w [arrowhead=odiamond, arrowtail=odiamond, dir=both, color="black", label=""];
-x2 [ shape=record, style=rounded, label="<s0> 0:0 - 0:0 " ];
-x2:e -> c14:p9:w [arrowhead=odiamond, arrowtail=odiamond, dir=both, color="black", label=""];
-n1 [ shape=diamond, label="$n4" ];
-n1:e -> c10:p9:w [color="black", label=""];
-n1:e -> c14:p7:w [color="black", label=""];
-n2 [ shape=diamond, label="$n5" ];
-n2:e -> c11:p9:w [color="black", label=""];
-n2:e -> c13:p7:w [color="black", label=""];
-n3 [ shape=diamond, label="$n6_1" ];
-n3:e -> c12:p9:w [color="black", label=""];
-n3:e -> c13:p8:w [color="black", label=""];
-n4:e -> c10:p8:w [color="black", label=""];
-n4:e -> c12:p7:w [color="black", label=""];
-n5:e -> c10:p7:w [color="black", label=""];
-n5:e -> c11:p7:w [color="black", label=""];
-n6:e -> x0:s0:w [color="black", label=""];
-n6:e -> x1:s0:w [color="black", label=""];
-n6:e -> x2:s0:w [color="black", label=""];
-}
diff --git a/manual/APPNOTE_011_Design_Investigation/cmos_01.dot b/manual/APPNOTE_011_Design_Investigation/cmos_01.dot
deleted file mode 100644
index ea6f4403c..000000000
--- a/manual/APPNOTE_011_Design_Investigation/cmos_01.dot
+++ /dev/null
@@ -1,23 +0,0 @@
-digraph "cmos_demo" {
-rankdir="LR";
-remincross=true;
-n4 [ shape=octagon, label="a", color="black", fontcolor="black" ];
-n5 [ shape=octagon, label="b", color="black", fontcolor="black" ];
-n6 [ shape=octagon, label="y[0]", color="black", fontcolor="black" ];
-n7 [ shape=octagon, label="y[1]", color="black", fontcolor="black" ];
-c11 [ shape=record, label="{{<p8> A|<p9> B}|$g0\nNOR|{<p10> Y}}" ];
-c12 [ shape=record, label="{{<p8> A}|$g1\nNOT|{<p10> Y}}" ];
-c13 [ shape=record, label="{{<p8> A}|$g2\nNOT|{<p10> Y}}" ];
-c14 [ shape=record, label="{{<p8> A|<p9> B}|$g3\nNOR|{<p10> Y}}" ];
-c15 [ shape=record, label="{{<p8> A|<p9> B}|$g4\nNOR|{<p10> Y}}" ];
-c11:p10:e -> c15:p8:w [color="black", label=""];
-c12:p10:e -> c14:p8:w [color="black", label=""];
-c13:p10:e -> c14:p9:w [color="black", label=""];
-n4:e -> c11:p9:w [color="black", label=""];
-n4:e -> c13:p8:w [color="black", label=""];
-n5:e -> c11:p8:w [color="black", label=""];
-n5:e -> c12:p8:w [color="black", label=""];
-c15:p10:e -> n6:w [color="black", label=""];
-c14:p10:e -> n7:w [color="black", label=""];
-n7:e -> c15:p9:w [color="black", label=""];
-}
diff --git a/manual/APPNOTE_011_Design_Investigation/example.v b/manual/APPNOTE_011_Design_Investigation/example.v
deleted file mode 100644
index 8c71989b3..000000000
--- a/manual/APPNOTE_011_Design_Investigation/example.v
+++ /dev/null
@@ -1,6 +0,0 @@
-module example(input clk, a, b, c,
-               output reg [1:0] y);
-    always @(posedge clk)
-        if (c)
-            y <= c ? a + b : 2'd0;
-endmodule
diff --git a/manual/APPNOTE_011_Design_Investigation/example.ys b/manual/APPNOTE_011_Design_Investigation/example.ys
deleted file mode 100644
index b1e956088..000000000
--- a/manual/APPNOTE_011_Design_Investigation/example.ys
+++ /dev/null
@@ -1,11 +0,0 @@
-read_verilog example.v
-show -format dot -prefix example_00
-proc
-show -format dot -prefix example_01
-opt
-show -format dot -prefix example_02
-
-cd example
-select t:$add
-show -format dot -prefix example_03
-
diff --git a/manual/APPNOTE_011_Design_Investigation/example_00.dot b/manual/APPNOTE_011_Design_Investigation/example_00.dot
deleted file mode 100644
index 1e23ed0ea..000000000
--- a/manual/APPNOTE_011_Design_Investigation/example_00.dot
+++ /dev/null
@@ -1,23 +0,0 @@
-digraph "example" {
-rankdir="LR";
-remincross=true;
-n4 [ shape=octagon, label="a", color="black", fontcolor="black" ];
-n5 [ shape=octagon, label="b", color="black", fontcolor="black" ];
-n6 [ shape=octagon, label="c", color="black", fontcolor="black" ];
-n7 [ shape=octagon, label="clk", color="black", fontcolor="black" ];
-n8 [ shape=octagon, label="y", color="black", fontcolor="black" ];
-c12 [ shape=record, label="{{<p9> A|<p10> B}|$2\n$add|{<p11> Y}}" ];
-v0 [ label="2'00" ];
-c14 [ shape=record, label="{{<p9> A|<p10> B|<p13> S}|$3\n$mux|{<p11> Y}}" ];
-p1 [shape=box, style=rounded, label="PROC $1\nexample.v:3"];
-c12:p11:e -> c14:p10:w [color="black", style="setlinewidth(3)", label=""];
-c14:p11:e -> p1:w [color="black", style="setlinewidth(3)", label=""];
-n4:e -> c12:p9:w [color="black", label=""];
-n5:e -> c12:p10:w [color="black", label=""];
-n6:e -> c14:p13:w [color="black", label=""];
-n6:e -> p1:w [color="black", label=""];
-n7:e -> p1:w [color="black", label=""];
-p1:e -> n8:w [color="black", style="setlinewidth(3)", label=""];
-n8:e -> p1:w [color="black", style="setlinewidth(3)", label=""];
-v0:e -> c14:p9:w [color="black", style="setlinewidth(3)", label=""];
-}
diff --git a/manual/APPNOTE_011_Design_Investigation/example_01.dot b/manual/APPNOTE_011_Design_Investigation/example_01.dot
deleted file mode 100644
index e89292b51..000000000
--- a/manual/APPNOTE_011_Design_Investigation/example_01.dot
+++ /dev/null
@@ -1,33 +0,0 @@
-digraph "example" {
-rankdir="LR";
-remincross=true;
-n6 [ shape=octagon, label="a", color="black", fontcolor="black" ];
-n7 [ shape=octagon, label="b", color="black", fontcolor="black" ];
-n8 [ shape=octagon, label="c", color="black", fontcolor="black" ];
-n9 [ shape=octagon, label="clk", color="black", fontcolor="black" ];
-n10 [ shape=octagon, label="y", color="black", fontcolor="black" ];
-c14 [ shape=record, label="{{<p11> A|<p12> B}|$2\n$add|{<p13> Y}}" ];
-c18 [ shape=record, label="{{<p15> CLK|<p16> D}|$7\n$dff|{<p17> Q}}" ];
-c20 [ shape=record, label="{{<p11> A|<p12> B|<p19> S}|$5\n$mux|{<p13> Y}}" ];
-v0 [ label="2'00" ];
-c21 [ shape=record, label="{{<p11> A|<p12> B|<p19> S}|$3\n$mux|{<p13> Y}}" ];
-x1 [shape=box, style=rounded, label="BUF"];
-x2 [shape=box, style=rounded, label="BUF"];
-n1 [ shape=diamond, label="$0\\y[1:0]" ];
-x2:e:e -> n1:w [color="black", style="setlinewidth(3)", label=""];
-c18:p17:e -> n10:w [color="black", style="setlinewidth(3)", label=""];
-n10:e -> c20:p11:w [color="black", style="setlinewidth(3)", label=""];
-c14:p13:e -> c21:p12:w [color="black", style="setlinewidth(3)", label=""];
-n3 [ shape=point ];
-c20:p13:e -> n3:w [color="black", style="setlinewidth(3)", label=""];
-n3:e -> c18:p16:w [color="black", style="setlinewidth(3)", label=""];
-n3:e -> x2:w:w [color="black", style="setlinewidth(3)", label=""];
-x1:e:e -> c20:p19:w [color="black", label=""];
-c21:p13:e -> c20:p12:w [color="black", style="setlinewidth(3)", label=""];
-n6:e -> c14:p11:w [color="black", label=""];
-n7:e -> c14:p12:w [color="black", label=""];
-n8:e -> c21:p19:w [color="black", label=""];
-n8:e -> x1:w:w [color="black", label=""];
-n9:e -> c18:p15:w [color="black", label=""];
-v0:e -> c21:p11:w [color="black", style="setlinewidth(3)", label=""];
-}
diff --git a/manual/APPNOTE_011_Design_Investigation/example_02.dot b/manual/APPNOTE_011_Design_Investigation/example_02.dot
deleted file mode 100644
index f950ed2ed..000000000
--- a/manual/APPNOTE_011_Design_Investigation/example_02.dot
+++ /dev/null
@@ -1,20 +0,0 @@
-digraph "example" {
-rankdir="LR";
-remincross=true;
-n3 [ shape=octagon, label="a", color="black", fontcolor="black" ];
-n4 [ shape=octagon, label="b", color="black", fontcolor="black" ];
-n5 [ shape=octagon, label="c", color="black", fontcolor="black" ];
-n6 [ shape=octagon, label="clk", color="black", fontcolor="black" ];
-n7 [ shape=octagon, label="y", color="black", fontcolor="black" ];
-c11 [ shape=record, label="{{<p8> A|<p9> B}|$2\n$add|{<p10> Y}}" ];
-c15 [ shape=record, label="{{<p12> CLK|<p13> D}|$7\n$dff|{<p14> Q}}" ];
-c17 [ shape=record, label="{{<p8> A|<p9> B|<p16> S}|$5\n$mux|{<p10> Y}}" ];
-c17:p10:e -> c15:p13:w [color="black", style="setlinewidth(3)", label=""];
-c11:p10:e -> c17:p9:w [color="black", style="setlinewidth(3)", label=""];
-n3:e -> c11:p8:w [color="black", label=""];
-n4:e -> c11:p9:w [color="black", label=""];
-n5:e -> c17:p16:w [color="black", label=""];
-n6:e -> c15:p12:w [color="black", label=""];
-c15:p14:e -> n7:w [color="black", style="setlinewidth(3)", label=""];
-n7:e -> c17:p8:w [color="black", style="setlinewidth(3)", label=""];
-}
diff --git a/manual/APPNOTE_011_Design_Investigation/example_03.dot b/manual/APPNOTE_011_Design_Investigation/example_03.dot
deleted file mode 100644
index e19d24af7..000000000
--- a/manual/APPNOTE_011_Design_Investigation/example_03.dot
+++ /dev/null
@@ -1,11 +0,0 @@
-digraph "example" {
-rankdir="LR";
-remincross=true;
-v0 [ label="a" ];
-v1 [ label="b" ];
-v2 [ label="$2_Y" ];
-c4 [ shape=record, label="{{<p1> A|<p2> B}|$2\n$add|{<p3> Y}}" ];
-v0:e -> c4:p1:w [color="black", label=""];
-v1:e -> c4:p2:w [color="black", label=""];
-c4:p3:e -> v2:w [color="black", style="setlinewidth(3)", label=""];
-}
diff --git a/manual/APPNOTE_011_Design_Investigation/foobaraddsub.v b/manual/APPNOTE_011_Design_Investigation/foobaraddsub.v
deleted file mode 100644
index 0f277211d..000000000
--- a/manual/APPNOTE_011_Design_Investigation/foobaraddsub.v
+++ /dev/null
@@ -1,8 +0,0 @@
-module foobaraddsub(a, b, c, d, fa, fs, ba, bs);
-  input [7:0] a, b, c, d;
-  output [7:0] fa, fs, ba, bs;
-  assign fa = a + (* foo *) b;
-  assign fs = a - (* foo *) b;
-  assign ba = c + (* bar *) d;
-  assign bs = c - (* bar *) d;
-endmodule
diff --git a/manual/APPNOTE_011_Design_Investigation/make.sh b/manual/APPNOTE_011_Design_Investigation/make.sh
deleted file mode 100644
index 3845dac6b..000000000
--- a/manual/APPNOTE_011_Design_Investigation/make.sh
+++ /dev/null
@@ -1,23 +0,0 @@
-#!/bin/bash
-set -ex
-if false; then
-	rm -f *.dot
-	../../yosys example.ys
-	../../yosys -p 'proc; opt; show -format dot -prefix splice' splice.v
-	../../yosys -p 'techmap; abc -liberty ../../techlibs/cmos/cmos_cells.lib;; show -format dot -prefix cmos_00' cmos.v
-	../../yosys -p 'techmap; splitnets -ports; abc -liberty ../../techlibs/cmos/cmos_cells.lib;; show -lib ../../techlibs/cmos/cmos_cells.v -format dot -prefix cmos_01' cmos.v
-	../../yosys -p 'opt; cd sumprod; select a:sumstuff; show -format dot -prefix sumprod_00' sumprod.v
-	../../yosys -p 'opt; cd sumprod; select a:sumstuff %x; show -format dot -prefix sumprod_01' sumprod.v
-	../../yosys -p 'opt; cd sumprod; select prod; show -format dot -prefix sumprod_02' sumprod.v
-	../../yosys -p 'opt; cd sumprod; select prod %ci; show -format dot -prefix sumprod_03' sumprod.v
-	../../yosys -p 'opt; cd sumprod; select prod %ci2; show -format dot -prefix sumprod_04' sumprod.v
-	../../yosys -p 'opt; cd sumprod; select prod %ci3; show -format dot -prefix sumprod_05' sumprod.v
-	../../yosys -p 'proc; opt; memory; opt; cd memdemo; show -format dot -prefix memdemo_00' memdemo.v
-	../../yosys -p 'proc; opt; memory; opt; cd memdemo; show -format dot -prefix memdemo_01 y %ci2:+$dff[Q,D] %ci*:-$mux[S]:-$dff' memdemo.v
-	../../yosys submod.ys
-	sed -i '/^label=/ d;' *.dot
-fi
-for dot_file in *.dot; do
-	pdf_file=${dot_file%.dot}.pdf
-	dot -Tpdf -o $pdf_file $dot_file
-done
diff --git a/manual/APPNOTE_011_Design_Investigation/memdemo.v b/manual/APPNOTE_011_Design_Investigation/memdemo.v
deleted file mode 100644
index b39564ddc..000000000
--- a/manual/APPNOTE_011_Design_Investigation/memdemo.v
+++ /dev/null
@@ -1,19 +0,0 @@
-module memdemo(clk, d, y);
-
-input clk;
-input [3:0] d;
-output reg [3:0] y;
-
-integer i;
-reg [1:0] s1, s2;
-reg [3:0] mem [0:3];
-
-always @(posedge clk) begin
-    for (i = 0; i < 4; i = i+1)
-        mem[i] <= mem[(i+1) % 4] + mem[(i+2) % 4];
-    { s2, s1 } = d ? { s1, s2 } ^ d : 4'b0;
-    mem[s1] <= d;
-    y <= mem[s2];
-end
-
-endmodule
diff --git a/manual/APPNOTE_011_Design_Investigation/memdemo_00.dot b/manual/APPNOTE_011_Design_Investigation/memdemo_00.dot
deleted file mode 100644
index 0336a9aac..000000000
--- a/manual/APPNOTE_011_Design_Investigation/memdemo_00.dot
+++ /dev/null
@@ -1,138 +0,0 @@
-digraph "memdemo" {
-rankdir="LR";
-remincross=true;
-n24 [ shape=octagon, label="clk", color="black", fontcolor="black" ];
-n25 [ shape=octagon, label="d", color="black", fontcolor="black" ];
-n26 [ shape=diamond, label="mem[0]", color="black", fontcolor="black" ];
-n27 [ shape=diamond, label="mem[1]", color="black", fontcolor="black" ];
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-n30 [ shape=diamond, label="s1", color="black", fontcolor="black" ];
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-x0 [ shape=record, style=rounded, label="<s0> 1:1 - 0:0 " ];
-x0:e -> c41:p40:w [arrowhead=odiamond, arrowtail=odiamond, dir=both, color="black", label=""];
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-x1:e -> c42:p40:w [arrowhead=odiamond, arrowtail=odiamond, dir=both, color="black", label=""];
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-x2:e -> c43:p40:w [arrowhead=odiamond, arrowtail=odiamond, dir=both, color="black", label=""];
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-n5 [ shape=point ];
-x12:s0:e -> n5:w [color="black", style="setlinewidth(3)", label=""];
-n5:e -> c48:p34:w [color="black", style="setlinewidth(3)", label=""];
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-x12:s1:e -> n6:w [color="black", style="setlinewidth(3)", label=""];
-n6:e -> c64:p57:w [color="black", style="setlinewidth(3)", label=""];
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-}
diff --git a/manual/APPNOTE_011_Design_Investigation/memdemo_01.dot b/manual/APPNOTE_011_Design_Investigation/memdemo_01.dot
deleted file mode 100644
index 2ad92c78b..000000000
--- a/manual/APPNOTE_011_Design_Investigation/memdemo_01.dot
+++ /dev/null
@@ -1,29 +0,0 @@
-digraph "memdemo" {
-rankdir="LR";
-remincross=true;
-n4 [ shape=diamond, label="mem[0]", color="black", fontcolor="black" ];
-n5 [ shape=diamond, label="mem[1]", color="black", fontcolor="black" ];
-n6 [ shape=diamond, label="mem[2]", color="black", fontcolor="black" ];
-n7 [ shape=diamond, label="mem[3]", color="black", fontcolor="black" ];
-n8 [ shape=octagon, label="y", color="black", fontcolor="black" ];
-v0 [ label="$0\\s2[1:0] [1]" ];
-c13 [ shape=record, label="{{<p9> A|<p10> B|<p11> S}|$110\n$mux|{<p12> Y}}" ];
-v1 [ label="$0\\s2[1:0] [0]" ];
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-v2 [ label="$0\\s2[1:0] [0]" ];
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-v3 [ label="clk" ];
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-c13:p12:e -> c19:p17:w [color="black", style="setlinewidth(3)", label=""];
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-n4:e -> c14:p9:w [color="black", style="setlinewidth(3)", label=""];
-n5:e -> c14:p10:w [color="black", style="setlinewidth(3)", label=""];
-n6:e -> c15:p9:w [color="black", style="setlinewidth(3)", label=""];
-n7:e -> c15:p10:w [color="black", style="setlinewidth(3)", label=""];
-c19:p18:e -> n8:w [color="black", style="setlinewidth(3)", label=""];
-v0:e -> c13:p11:w [color="black", label=""];
-v1:e -> c14:p11:w [color="black", label=""];
-v2:e -> c15:p11:w [color="black", label=""];
-v3:e -> c19:p16:w [color="black", label=""];
-}
diff --git a/manual/APPNOTE_011_Design_Investigation/primetest.v b/manual/APPNOTE_011_Design_Investigation/primetest.v
deleted file mode 100644
index 6cb766b73..000000000
--- a/manual/APPNOTE_011_Design_Investigation/primetest.v
+++ /dev/null
@@ -1,4 +0,0 @@
-module primetest(p, a, b, ok);
-input [15:0] p, a, b;
-output ok = p != a*b || a == 1 || b == 1;
-endmodule
diff --git a/manual/APPNOTE_011_Design_Investigation/splice.dot b/manual/APPNOTE_011_Design_Investigation/splice.dot
deleted file mode 100644
index 4657feed1..000000000
--- a/manual/APPNOTE_011_Design_Investigation/splice.dot
+++ /dev/null
@@ -1,39 +0,0 @@
-digraph "splice_demo" {
-rankdir="LR";
-remincross=true;
-n1 [ shape=octagon, label="a", color="black", fontcolor="black" ];
-n2 [ shape=octagon, label="b", color="black", fontcolor="black" ];
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-x5:e -> x6:w [arrowhead=odiamond, arrowtail=odiamond, dir=both, color="black", style="setlinewidth(3)", label=""];
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-n1:e -> x4:s1:w [color="black", style="setlinewidth(3)", label=""];
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-x3:s0:e -> n8:w [color="black", style="setlinewidth(3)", label=""];
-x3:s1:e -> n8:w [color="black", style="setlinewidth(3)", label=""];
-x6:s0:e -> n8:w [color="black", style="setlinewidth(3)", label=""];
-}
diff --git a/manual/APPNOTE_011_Design_Investigation/splice.v b/manual/APPNOTE_011_Design_Investigation/splice.v
deleted file mode 100644
index 1cf7274c0..000000000
--- a/manual/APPNOTE_011_Design_Investigation/splice.v
+++ /dev/null
@@ -1,10 +0,0 @@
-module splice_demo(a, b, c, d, e, f, x, y);
-
-input [1:0] a, b, c, d, e, f;
-output [1:0] x = {a[0], a[1]};
-
-output [11:0] y;
-assign {y[11:4], y[1:0], y[3:2]} =
-                {a, b, -{c, d}, ~{e, f}};
-
-endmodule
diff --git a/manual/APPNOTE_011_Design_Investigation/submod.ys b/manual/APPNOTE_011_Design_Investigation/submod.ys
deleted file mode 100644
index 29ad61076..000000000
--- a/manual/APPNOTE_011_Design_Investigation/submod.ys
+++ /dev/null
@@ -1,16 +0,0 @@
-read_verilog memdemo.v
-proc; opt; memory; opt
-
-cd memdemo
-select -set outstage y %ci2:+$dff[Q,D] %ci*:-$mux[S]:-$dff
-select -set selstage y %ci2:+$dff[Q,D] %ci*:-$dff @outstage %d
-select -set scramble mem* %ci2 %ci*:-$dff mem* %d @selstage %d
-submod -name scramble @scramble
-submod -name outstage @outstage
-submod -name selstage @selstage
-
-cd ..
-show -format dot -prefix submod_00 memdemo
-show -format dot -prefix submod_01 scramble
-show -format dot -prefix submod_02 outstage
-show -format dot -prefix submod_03 selstage
diff --git a/manual/APPNOTE_011_Design_Investigation/submod_00.dot b/manual/APPNOTE_011_Design_Investigation/submod_00.dot
deleted file mode 100644
index 2e55268ee..000000000
--- a/manual/APPNOTE_011_Design_Investigation/submod_00.dot
+++ /dev/null
@@ -1,45 +0,0 @@
-digraph "memdemo" {
-rankdir="LR";
-remincross=true;
-n5 [ shape=octagon, label="clk", color="black", fontcolor="black" ];
-n6 [ shape=octagon, label="d", color="black", fontcolor="black" ];
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-n2 [ shape=point ];
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-c21:p8:e -> n8:w [color="black", style="setlinewidth(3)", label=""];
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-c21:p9:e -> n9:w [color="black", style="setlinewidth(3)", label=""];
-n9:e -> c20:p9:w [color="black", style="setlinewidth(3)", label=""];
-}
diff --git a/manual/APPNOTE_011_Design_Investigation/submod_01.dot b/manual/APPNOTE_011_Design_Investigation/submod_01.dot
deleted file mode 100644
index f8f8c008a..000000000
--- a/manual/APPNOTE_011_Design_Investigation/submod_01.dot
+++ /dev/null
@@ -1,87 +0,0 @@
-digraph "scramble" {
-rankdir="LR";
-remincross=true;
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diff --git a/manual/APPNOTE_011_Design_Investigation/submod_02.dot b/manual/APPNOTE_011_Design_Investigation/submod_02.dot
deleted file mode 100644
index 1a672c484..000000000
--- a/manual/APPNOTE_011_Design_Investigation/submod_02.dot
+++ /dev/null
@@ -1,33 +0,0 @@
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-rankdir="LR";
-remincross=true;
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diff --git a/manual/APPNOTE_011_Design_Investigation/submod_03.dot b/manual/APPNOTE_011_Design_Investigation/submod_03.dot
deleted file mode 100644
index 0dbbe3baa..000000000
--- a/manual/APPNOTE_011_Design_Investigation/submod_03.dot
+++ /dev/null
@@ -1,26 +0,0 @@
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diff --git a/manual/APPNOTE_011_Design_Investigation/sumprod.v b/manual/APPNOTE_011_Design_Investigation/sumprod.v
deleted file mode 100644
index 4091bf0a1..000000000
--- a/manual/APPNOTE_011_Design_Investigation/sumprod.v
+++ /dev/null
@@ -1,12 +0,0 @@
-module sumprod(a, b, c, sum, prod);
-
-  input [7:0] a, b, c;
-  output [7:0] sum, prod;
-
-  {* sumstuff *}
-  assign sum = a + b + c;
-  {* *}
-
-  assign prod = a * b * c;
-
-endmodule
diff --git a/manual/APPNOTE_011_Design_Investigation/sumprod_00.dot b/manual/APPNOTE_011_Design_Investigation/sumprod_00.dot
deleted file mode 100644
index 06522dcc9..000000000
--- a/manual/APPNOTE_011_Design_Investigation/sumprod_00.dot
+++ /dev/null
@@ -1,18 +0,0 @@
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diff --git a/manual/APPNOTE_011_Design_Investigation/sumprod_01.dot b/manual/APPNOTE_011_Design_Investigation/sumprod_01.dot
deleted file mode 100644
index aefe7a6da..000000000
--- a/manual/APPNOTE_011_Design_Investigation/sumprod_01.dot
+++ /dev/null
@@ -1,15 +0,0 @@
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-}
diff --git a/manual/APPNOTE_011_Design_Investigation/sumprod_02.dot b/manual/APPNOTE_011_Design_Investigation/sumprod_02.dot
deleted file mode 100644
index 4646c9947..000000000
--- a/manual/APPNOTE_011_Design_Investigation/sumprod_02.dot
+++ /dev/null
@@ -1,5 +0,0 @@
-digraph "sumprod" {
-rankdir="LR";
-remincross=true;
-n1 [ shape=octagon, label="prod", color="black", fontcolor="black" ];
-}
diff --git a/manual/APPNOTE_011_Design_Investigation/sumprod_03.dot b/manual/APPNOTE_011_Design_Investigation/sumprod_03.dot
deleted file mode 100644
index dcfea2b56..000000000
--- a/manual/APPNOTE_011_Design_Investigation/sumprod_03.dot
+++ /dev/null
@@ -1,11 +0,0 @@
-digraph "sumprod" {
-rankdir="LR";
-remincross=true;
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-v1 [ label="c" ];
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-}
diff --git a/manual/APPNOTE_011_Design_Investigation/sumprod_04.dot b/manual/APPNOTE_011_Design_Investigation/sumprod_04.dot
deleted file mode 100644
index e77c41aa2..000000000
--- a/manual/APPNOTE_011_Design_Investigation/sumprod_04.dot
+++ /dev/null
@@ -1,11 +0,0 @@
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diff --git a/manual/APPNOTE_011_Design_Investigation/sumprod_05.dot b/manual/APPNOTE_011_Design_Investigation/sumprod_05.dot
deleted file mode 100644
index b54441290..000000000
--- a/manual/APPNOTE_011_Design_Investigation/sumprod_05.dot
+++ /dev/null
@@ -1,15 +0,0 @@
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