Merged r6329:6428 of features/inband-usb + distcheck fixes into trunk.

git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@6429 221aa14e-8319-0410-a670-987f0aec2ac5

15 files changed, 362 insertions, 462 deletions

diff --git a/megacells/fifo_4kx16.bsf b/megacells/fifo_1kx16.bsf
index 4d988c5e9..329be2d44 100755
--- a/megacells/fifo_4kx16.bsf
+++ b/megacells/fifo_1kx16.bsf
@@ -20,9 +20,9 @@ applicable agreement for further details.
 */

 (header "symbol" (version "1.1"))

 (symbol

-	(rect 0 0 160 144)

-	(text "fifo_4kx16" (rect 51 1 119 17)(font "Arial" (font_size 10)))

-	(text "inst" (rect 8 128 25 140)(font "Arial" ))

+	(rect 0 0 160 160)

+	(text "fifo_1kx16" (rect 51 1 119 17)(font "Arial" (font_size 10)))

+	(text "inst" (rect 8 144 25 156)(font "Arial" ))

 	(port

 		(pt 0 32)

 		(input)

@@ -52,11 +52,11 @@ applicable agreement for further details.
 		(line (pt 0 96)(pt 16 96)(line_width 1))

 	)

 	(port

-		(pt 0 120)

+		(pt 0 128)

 		(input)

 		(text "aclr" (rect 0 0 21 14)(font "Arial" (font_size 8)))

-		(text "aclr" (rect 20 114 37 127)(font "Arial" (font_size 8)))

-		(line (pt 0 120)(pt 16 120)(line_width 1))

+		(text "aclr" (rect 20 122 37 135)(font "Arial" (font_size 8)))

+		(line (pt 0 128)(pt 16 128)(line_width 1))

 	)

 	(port

 		(pt 160 32)

@@ -82,17 +82,25 @@ applicable agreement for further details.
 	(port

 		(pt 160 88)

 		(output)

-		(text "usedw[11..0]" (rect 0 0 75 14)(font "Arial" (font_size 8)))

-		(text "usedw[11..0]" (rect 77 82 136 95)(font "Arial" (font_size 8)))

-		(line (pt 160 88)(pt 144 88)(line_width 3))

+		(text "almost_empty" (rect 0 0 77 14)(font "Arial" (font_size 8)))

+		(text "almost_empty" (rect 75 82 141 95)(font "Arial" (font_size 8)))

+		(line (pt 160 88)(pt 144 88)(line_width 1))

+	)

+	(port

+		(pt 160 104)

+		(output)

+		(text "usedw[9..0]" (rect 0 0 68 14)(font "Arial" (font_size 8)))

+		(text "usedw[9..0]" (rect 83 98 136 111)(font "Arial" (font_size 8)))

+		(line (pt 160 104)(pt 144 104)(line_width 3))

 	)

 	(drawing

-		(text "16 bits x 4096 words" (rect 58 116 144 128)(font "Arial" ))

+		(text "16 bits x 1024 words" (rect 58 132 144 144)(font "Arial" ))

+		(text "almost_empty < 126" (rect 58 122 144 134)(font "Arial" ))

 		(line (pt 16 16)(pt 144 16)(line_width 1))

-		(line (pt 144 16)(pt 144 128)(line_width 1))

-		(line (pt 144 128)(pt 16 128)(line_width 1))

-		(line (pt 16 128)(pt 16 16)(line_width 1))

-		(line (pt 16 108)(pt 144 108)(line_width 1))

+		(line (pt 144 16)(pt 144 144)(line_width 1))

+		(line (pt 144 144)(pt 16 144)(line_width 1))

+		(line (pt 16 144)(pt 16 16)(line_width 1))

+		(line (pt 16 116)(pt 144 116)(line_width 1))

 		(line (pt 16 90)(pt 22 96)(line_width 1))

 		(line (pt 22 96)(pt 16 102)(line_width 1))

 	)

diff --git a/megacells/fifo_4kx16.cmp b/megacells/fifo_1kx16.cmp
index 7bc6941d7..9b2c2c0c3 100755
--- a/megacells/fifo_4kx16.cmp
+++ b/megacells/fifo_1kx16.cmp
@@ -13,7 +13,7 @@
 --applicable agreement for further details.

 

 

-component fifo_4kx16

+component fifo_1kx16

 	PORT

 	(

 		aclr		: IN STD_LOGIC ;

@@ -21,9 +21,10 @@ component fifo_4kx16
 		data		: IN STD_LOGIC_VECTOR (15 DOWNTO 0);

 		rdreq		: IN STD_LOGIC ;

 		wrreq		: IN STD_LOGIC ;

+		almost_empty		: OUT STD_LOGIC ;

 		empty		: OUT STD_LOGIC ;

 		full		: OUT STD_LOGIC ;

 		q		: OUT STD_LOGIC_VECTOR (15 DOWNTO 0);

-		usedw		: OUT STD_LOGIC_VECTOR (11 DOWNTO 0)

+		usedw		: OUT STD_LOGIC_VECTOR (9 DOWNTO 0)

 	);

 end component;

diff --git a/megacells/fifo_4kx16.inc b/megacells/fifo_1kx16.inc
index db5d4f29e..0b70afe62 100755
--- a/megacells/fifo_4kx16.inc
+++ b/megacells/fifo_1kx16.inc
@@ -13,7 +13,7 @@
 --applicable agreement for further details.

 

 

-FUNCTION fifo_4kx16 

+FUNCTION fifo_1kx16 

 (

 	aclr,

 	clock,

@@ -23,8 +23,9 @@ FUNCTION fifo_4kx16
 )

 

 RETURNS (

+	almost_empty,

 	empty,

 	full,

 	q[15..0],

-	usedw[11..0]

+	usedw[9..0]

 );

diff --git a/megacells/fifo_2k_1clk.v b/megacells/fifo_1kx16.v
index 095615bb8..e22b416e5 100755
--- a/megacells/fifo_2k_1clk.v
+++ b/megacells/fifo_1kx16.v
@@ -1,10 +1,10 @@
-// megafunction wizard: %LPM_FIFO+%

+// megafunction wizard: %FIFO%

 // GENERATION: STANDARD

 // VERSION: WM1.0

 // MODULE: scfifo 

 

 // ============================================================

-// File Name: fifo_2k_1clk.v

+// File Name: fifo_1kx16.v

 // Megafunction Name(s):

 // 			scfifo

 // ============================================================

@@ -33,12 +33,13 @@
 // synopsys translate_off

 `timescale 1 ps / 1 ps

 // synopsys translate_on

-module fifo_2k_1clk (

+module fifo_1kx16 (

 	aclr,

 	clock,

 	data,

 	rdreq,

 	wrreq,

+	almost_empty,

 	empty,

 	full,

 	q,

@@ -49,6 +50,7 @@ module fifo_2k_1clk (
 	input	[15:0]  data;

 	input	  rdreq;

 	input	  wrreq;

+	output	  almost_empty;

 	output	  empty;

 	output	  full;

 	output	[15:0]  q;

@@ -56,12 +58,14 @@ module fifo_2k_1clk (
 

 	wire [9:0] sub_wire0;

 	wire  sub_wire1;

-	wire [15:0] sub_wire2;

-	wire  sub_wire3;

+	wire  sub_wire2;

+	wire [15:0] sub_wire3;

+	wire  sub_wire4;

 	wire [9:0] usedw = sub_wire0[9:0];

 	wire  empty = sub_wire1;

-	wire [15:0] q = sub_wire2[15:0];

-	wire  full = sub_wire3;

+	wire  almost_empty = sub_wire2;

+	wire [15:0] q = sub_wire3[15:0];

+	wire  full = sub_wire4;

 

 	scfifo	scfifo_component (

 				.rdreq (rdreq),

@@ -71,17 +75,18 @@ module fifo_2k_1clk (
 				.data (data),

 				.usedw (sub_wire0),

 				.empty (sub_wire1),

-				.q (sub_wire2),

-				.full (sub_wire3)

+				.almost_empty (sub_wire2),

+				.q (sub_wire3),

+				.full (sub_wire4)

 				// synopsys translate_off

 				,

-				.almost_empty (),

 				.sclr (),

 				.almost_full ()

 				// synopsys translate_on

 				);

 	defparam

 		scfifo_component.add_ram_output_register = "OFF",

+		scfifo_component.almost_empty_value = 126,

 		scfifo_component.intended_device_family = "Cyclone",

 		scfifo_component.lpm_hint = "RAM_BLOCK_TYPE=M4K",

 		scfifo_component.lpm_numwords = 1024,

@@ -99,8 +104,8 @@ endmodule
 // ============================================================

 // CNX file retrieval info

 // ============================================================

-// Retrieval info: PRIVATE: AlmostEmpty NUMERIC "0"

-// Retrieval info: PRIVATE: AlmostEmptyThr NUMERIC "-1"

+// Retrieval info: PRIVATE: AlmostEmpty NUMERIC "1"

+// Retrieval info: PRIVATE: AlmostEmptyThr NUMERIC "126"

 // Retrieval info: PRIVATE: AlmostFull NUMERIC "0"

 // Retrieval info: PRIVATE: AlmostFullThr NUMERIC "-1"

 // Retrieval info: PRIVATE: CLOCKS_ARE_SYNCHRONIZED NUMERIC "0"

@@ -128,6 +133,7 @@ endmodule
 // Retrieval info: PRIVATE: wsFull NUMERIC "1"

 // Retrieval info: PRIVATE: wsUsedW NUMERIC "0"

 // Retrieval info: CONSTANT: ADD_RAM_OUTPUT_REGISTER STRING "OFF"

+// Retrieval info: CONSTANT: ALMOST_EMPTY_VALUE NUMERIC "126"

 // Retrieval info: CONSTANT: INTENDED_DEVICE_FAMILY STRING "Cyclone"

 // Retrieval info: CONSTANT: LPM_HINT STRING "RAM_BLOCK_TYPE=M4K"

 // Retrieval info: CONSTANT: LPM_NUMWORDS NUMERIC "1024"

@@ -139,6 +145,7 @@ endmodule
 // Retrieval info: CONSTANT: UNDERFLOW_CHECKING STRING "ON"

 // Retrieval info: CONSTANT: USE_EAB STRING "ON"

 // Retrieval info: USED_PORT: aclr 0 0 0 0 INPUT NODEFVAL aclr

+// Retrieval info: USED_PORT: almost_empty 0 0 0 0 OUTPUT NODEFVAL almost_empty

 // Retrieval info: USED_PORT: clock 0 0 0 0 INPUT NODEFVAL clock

 // Retrieval info: USED_PORT: data 0 0 16 0 INPUT NODEFVAL data[15..0]

 // Retrieval info: USED_PORT: empty 0 0 0 0 OUTPUT NODEFVAL empty

@@ -155,13 +162,14 @@ endmodule
 // Retrieval info: CONNECT: full 0 0 0 0 @full 0 0 0 0

 // Retrieval info: CONNECT: empty 0 0 0 0 @empty 0 0 0 0

 // Retrieval info: CONNECT: usedw 0 0 10 0 @usedw 0 0 10 0

+// Retrieval info: CONNECT: almost_empty 0 0 0 0 @almost_empty 0 0 0 0

 // Retrieval info: CONNECT: @aclr 0 0 0 0 aclr 0 0 0 0

 // Retrieval info: LIBRARY: altera_mf altera_mf.altera_mf_components.all

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_2k_1clk.v TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_2k_1clk.inc TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_2k_1clk.cmp TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_2k_1clk.bsf TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_2k_1clk_inst.v TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_2k_1clk_bb.v TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_2k_1clk_waveforms.html FALSE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_2k_1clk_wave*.jpg FALSE

+// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_1kx16.v TRUE

+// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_1kx16.inc TRUE

+// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_1kx16.cmp TRUE

+// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_1kx16.bsf TRUE FALSE

+// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_1kx16_inst.v TRUE

+// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_1kx16_bb.v TRUE

+// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_1kx16_waveforms.html FALSE

+// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_1kx16_wave*.jpg FALSE

diff --git a/megacells/fifo_4kx16_bb.v b/megacells/fifo_1kx16_bb.v
index d41e9f090..283aada81 100755
--- a/megacells/fifo_4kx16_bb.v
+++ b/megacells/fifo_1kx16_bb.v
@@ -4,7 +4,7 @@
 // MODULE: scfifo 

 

 // ============================================================

-// File Name: fifo_4kx16.v

+// File Name: fifo_1kx16.v

 // Megafunction Name(s):

 // 			scfifo

 // ============================================================

@@ -28,12 +28,13 @@
 //Altera or its authorized distributors.  Please refer to the 

 //applicable agreement for further details.

 

-module fifo_4kx16 (

+module fifo_1kx16 (

 	aclr,

 	clock,

 	data,

 	rdreq,

 	wrreq,

+	almost_empty,

 	empty,

 	full,

 	q,

@@ -44,23 +45,24 @@ module fifo_4kx16 (
 	input	[15:0]  data;

 	input	  rdreq;

 	input	  wrreq;

+	output	  almost_empty;

 	output	  empty;

 	output	  full;

 	output	[15:0]  q;

-	output	[11:0]  usedw;

+	output	[9:0]  usedw;

 

 endmodule

 

 // ============================================================

 // CNX file retrieval info

 // ============================================================

-// Retrieval info: PRIVATE: AlmostEmpty NUMERIC "0"

-// Retrieval info: PRIVATE: AlmostEmptyThr NUMERIC "-1"

+// Retrieval info: PRIVATE: AlmostEmpty NUMERIC "1"

+// Retrieval info: PRIVATE: AlmostEmptyThr NUMERIC "126"

 // Retrieval info: PRIVATE: AlmostFull NUMERIC "0"

 // Retrieval info: PRIVATE: AlmostFullThr NUMERIC "-1"

 // Retrieval info: PRIVATE: CLOCKS_ARE_SYNCHRONIZED NUMERIC "0"

 // Retrieval info: PRIVATE: Clock NUMERIC "0"

-// Retrieval info: PRIVATE: Depth NUMERIC "4096"

+// Retrieval info: PRIVATE: Depth NUMERIC "1024"

 // Retrieval info: PRIVATE: Empty NUMERIC "1"

 // Retrieval info: PRIVATE: Full NUMERIC "1"

 // Retrieval info: PRIVATE: INTENDED_DEVICE_FAMILY STRING "Cyclone"

@@ -83,24 +85,26 @@ endmodule
 // Retrieval info: PRIVATE: wsFull NUMERIC "1"

 // Retrieval info: PRIVATE: wsUsedW NUMERIC "0"

 // Retrieval info: CONSTANT: ADD_RAM_OUTPUT_REGISTER STRING "OFF"

+// Retrieval info: CONSTANT: ALMOST_EMPTY_VALUE NUMERIC "126"

 // Retrieval info: CONSTANT: INTENDED_DEVICE_FAMILY STRING "Cyclone"

 // Retrieval info: CONSTANT: LPM_HINT STRING "RAM_BLOCK_TYPE=M4K"

-// Retrieval info: CONSTANT: LPM_NUMWORDS NUMERIC "4096"

+// Retrieval info: CONSTANT: LPM_NUMWORDS NUMERIC "1024"

 // Retrieval info: CONSTANT: LPM_SHOWAHEAD STRING "OFF"

 // Retrieval info: CONSTANT: LPM_TYPE STRING "scfifo"

 // Retrieval info: CONSTANT: LPM_WIDTH NUMERIC "16"

-// Retrieval info: CONSTANT: LPM_WIDTHU NUMERIC "12"

+// Retrieval info: CONSTANT: LPM_WIDTHU NUMERIC "10"

 // Retrieval info: CONSTANT: OVERFLOW_CHECKING STRING "ON"

 // Retrieval info: CONSTANT: UNDERFLOW_CHECKING STRING "ON"

 // Retrieval info: CONSTANT: USE_EAB STRING "ON"

 // Retrieval info: USED_PORT: aclr 0 0 0 0 INPUT NODEFVAL aclr

+// Retrieval info: USED_PORT: almost_empty 0 0 0 0 OUTPUT NODEFVAL almost_empty

 // Retrieval info: USED_PORT: clock 0 0 0 0 INPUT NODEFVAL clock

 // Retrieval info: USED_PORT: data 0 0 16 0 INPUT NODEFVAL data[15..0]

 // Retrieval info: USED_PORT: empty 0 0 0 0 OUTPUT NODEFVAL empty

 // Retrieval info: USED_PORT: full 0 0 0 0 OUTPUT NODEFVAL full

 // Retrieval info: USED_PORT: q 0 0 16 0 OUTPUT NODEFVAL q[15..0]

 // Retrieval info: USED_PORT: rdreq 0 0 0 0 INPUT NODEFVAL rdreq

-// Retrieval info: USED_PORT: usedw 0 0 12 0 OUTPUT NODEFVAL usedw[11..0]

+// Retrieval info: USED_PORT: usedw 0 0 10 0 OUTPUT NODEFVAL usedw[9..0]

 // Retrieval info: USED_PORT: wrreq 0 0 0 0 INPUT NODEFVAL wrreq

 // Retrieval info: CONNECT: @data 0 0 16 0 data 0 0 16 0

 // Retrieval info: CONNECT: q 0 0 16 0 @q 0 0 16 0

@@ -109,14 +113,15 @@ endmodule
 // Retrieval info: CONNECT: @clock 0 0 0 0 clock 0 0 0 0

 // Retrieval info: CONNECT: full 0 0 0 0 @full 0 0 0 0

 // Retrieval info: CONNECT: empty 0 0 0 0 @empty 0 0 0 0

-// Retrieval info: CONNECT: usedw 0 0 12 0 @usedw 0 0 12 0

+// Retrieval info: CONNECT: usedw 0 0 10 0 @usedw 0 0 10 0

+// Retrieval info: CONNECT: almost_empty 0 0 0 0 @almost_empty 0 0 0 0

 // Retrieval info: CONNECT: @aclr 0 0 0 0 aclr 0 0 0 0

 // Retrieval info: LIBRARY: altera_mf altera_mf.altera_mf_components.all

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_4kx16.v TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_4kx16.inc TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_4kx16.cmp TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_4kx16.bsf TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_4kx16_inst.v TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_4kx16_bb.v TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_4kx16_waveforms.html TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_4kx16_wave*.jpg FALSE

+// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_1kx16.v TRUE

+// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_1kx16.inc TRUE

+// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_1kx16.cmp TRUE

+// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_1kx16.bsf TRUE FALSE

+// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_1kx16_inst.v TRUE

+// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_1kx16_bb.v TRUE

+// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_1kx16_waveforms.html FALSE

+// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_1kx16_wave*.jpg FALSE

diff --git a/megacells/fifo_2kx16_inst.v b/megacells/fifo_1kx16_inst.v
index 6185c6fe6..73662dea3 100755
--- a/megacells/fifo_2kx16_inst.v
+++ b/megacells/fifo_1kx16_inst.v
@@ -1,9 +1,10 @@
-fifo_2kx16	fifo_2kx16_inst (

+fifo_1kx16	fifo_1kx16_inst (

 	.aclr ( aclr_sig ),

 	.clock ( clock_sig ),

 	.data ( data_sig ),

 	.rdreq ( rdreq_sig ),

 	.wrreq ( wrreq_sig ),

+	.almost_empty ( almost_empty_sig ),

 	.empty ( empty_sig ),

 	.full ( full_sig ),

 	.q ( q_sig ),

diff --git a/megacells/fifo_2kx16.bsf b/megacells/fifo_2kx16.bsf
deleted file mode 100755
index 1067991fb..000000000
--- a/megacells/fifo_2kx16.bsf
+++ /dev/null
@@ -1,99 +0,0 @@
-/*

-WARNING: Do NOT edit the input and output ports in this file in a text

-editor if you plan to continue editing the block that represents it in

-the Block Editor! File corruption is VERY likely to occur.

-*/

-/*

-Copyright (C) 1991-2006 Altera Corporation

-Your use of Altera Corporation's design tools, logic functions 

-and other software and tools, and its AMPP partner logic 

-functions, and any output files any of the foregoing 

-(including device programming or simulation files), and any 

-associated documentation or information are expressly subject 

-to the terms and conditions of the Altera Program License 

-Subscription Agreement, Altera MegaCore Function License 

-Agreement, or other applicable license agreement, including, 

-without limitation, that your use is for the sole purpose of 

-programming logic devices manufactured by Altera and sold by 

-Altera or its authorized distributors.  Please refer to the 

-applicable agreement for further details.

-*/

-(header "symbol" (version "1.1"))

-(symbol

-	(rect 0 0 160 144)

-	(text "fifo_2kx16" (rect 51 1 119 17)(font "Arial" (font_size 10)))

-	(text "inst" (rect 8 128 25 140)(font "Arial" ))

-	(port

-		(pt 0 32)

-		(input)

-		(text "data[15..0]" (rect 0 0 60 14)(font "Arial" (font_size 8)))

-		(text "data[15..0]" (rect 20 26 71 39)(font "Arial" (font_size 8)))

-		(line (pt 0 32)(pt 16 32)(line_width 3))

-	)

-	(port

-		(pt 0 56)

-		(input)

-		(text "wrreq" (rect 0 0 35 14)(font "Arial" (font_size 8)))

-		(text "wrreq" (rect 20 50 45 63)(font "Arial" (font_size 8)))

-		(line (pt 0 56)(pt 16 56)(line_width 1))

-	)

-	(port

-		(pt 0 72)

-		(input)

-		(text "rdreq" (rect 0 0 30 14)(font "Arial" (font_size 8)))

-		(text "rdreq" (rect 20 66 44 79)(font "Arial" (font_size 8)))

-		(line (pt 0 72)(pt 16 72)(line_width 1))

-	)

-	(port

-		(pt 0 96)

-		(input)

-		(text "clock" (rect 0 0 29 14)(font "Arial" (font_size 8)))

-		(text "clock" (rect 26 90 49 103)(font "Arial" (font_size 8)))

-		(line (pt 0 96)(pt 16 96)(line_width 1))

-	)

-	(port

-		(pt 0 120)

-		(input)

-		(text "aclr" (rect 0 0 21 14)(font "Arial" (font_size 8)))

-		(text "aclr" (rect 20 114 37 127)(font "Arial" (font_size 8)))

-		(line (pt 0 120)(pt 16 120)(line_width 1))

-	)

-	(port

-		(pt 160 32)

-		(output)

-		(text "q[15..0]" (rect 0 0 42 14)(font "Arial" (font_size 8)))

-		(text "q[15..0]" (rect 105 26 141 39)(font "Arial" (font_size 8)))

-		(line (pt 160 32)(pt 144 32)(line_width 3))

-	)

-	(port

-		(pt 160 56)

-		(output)

-		(text "full" (rect 0 0 16 14)(font "Arial" (font_size 8)))

-		(text "full" (rect 127 50 142 63)(font "Arial" (font_size 8)))

-		(line (pt 160 56)(pt 144 56)(line_width 1))

-	)

-	(port

-		(pt 160 72)

-		(output)

-		(text "empty" (rect 0 0 34 14)(font "Arial" (font_size 8)))

-		(text "empty" (rect 112 66 141 79)(font "Arial" (font_size 8)))

-		(line (pt 160 72)(pt 144 72)(line_width 1))

-	)

-	(port

-		(pt 160 88)

-		(output)

-		(text "usedw[10..0]" (rect 0 0 75 14)(font "Arial" (font_size 8)))

-		(text "usedw[10..0]" (rect 77 82 136 95)(font "Arial" (font_size 8)))

-		(line (pt 160 88)(pt 144 88)(line_width 3))

-	)

-	(drawing

-		(text "16 bits x 2048 words" (rect 58 116 144 128)(font "Arial" ))

-		(line (pt 16 16)(pt 144 16)(line_width 1))

-		(line (pt 144 16)(pt 144 128)(line_width 1))

-		(line (pt 144 128)(pt 16 128)(line_width 1))

-		(line (pt 16 128)(pt 16 16)(line_width 1))

-		(line (pt 16 108)(pt 144 108)(line_width 1))

-		(line (pt 16 90)(pt 22 96)(line_width 1))

-		(line (pt 22 96)(pt 16 102)(line_width 1))

-	)

-)

diff --git a/megacells/fifo_2kx16.v b/megacells/fifo_2kx16.v
deleted file mode 100755
index eb229769d..000000000
--- a/megacells/fifo_2kx16.v
+++ /dev/null
@@ -1,167 +0,0 @@
-// megafunction wizard: %FIFO%

-// GENERATION: STANDARD

-// VERSION: WM1.0

-// MODULE: scfifo 

-

-// ============================================================

-// File Name: fifo_2kx16.v

-// Megafunction Name(s):

-// 			scfifo

-// ============================================================

-// ************************************************************

-// THIS IS A WIZARD-GENERATED FILE. DO NOT EDIT THIS FILE!

-//

-// 5.1 Build 213 01/19/2006 SP 1 SJ Web Edition

-// ************************************************************

-

-

-//Copyright (C) 1991-2006 Altera Corporation

-//Your use of Altera Corporation's design tools, logic functions 

-//and other software and tools, and its AMPP partner logic 

-//functions, and any output files any of the foregoing 

-//(including device programming or simulation files), and any 

-//associated documentation or information are expressly subject 

-//to the terms and conditions of the Altera Program License 

-//Subscription Agreement, Altera MegaCore Function License 

-//Agreement, or other applicable license agreement, including, 

-//without limitation, that your use is for the sole purpose of 

-//programming logic devices manufactured by Altera and sold by 

-//Altera or its authorized distributors.  Please refer to the 

-//applicable agreement for further details.

-

-

-// synopsys translate_off

-`timescale 1 ps / 1 ps

-// synopsys translate_on

-module fifo_2kx16 (

-	aclr,

-	clock,

-	data,

-	rdreq,

-	wrreq,

-	empty,

-	full,

-	q,

-	usedw);

-

-	input	  aclr;

-	input	  clock;

-	input	[15:0]  data;

-	input	  rdreq;

-	input	  wrreq;

-	output	  empty;

-	output	  full;

-	output	[15:0]  q;

-	output	[10:0]  usedw;

-

-	wire [10:0] sub_wire0;

-	wire  sub_wire1;

-	wire [15:0] sub_wire2;

-	wire  sub_wire3;

-	wire [10:0] usedw = sub_wire0[10:0];

-	wire  empty = sub_wire1;

-	wire [15:0] q = sub_wire2[15:0];

-	wire  full = sub_wire3;

-

-	scfifo	scfifo_component (

-				.rdreq (rdreq),

-				.aclr (aclr),

-				.clock (clock),

-				.wrreq (wrreq),

-				.data (data),

-				.usedw (sub_wire0),

-				.empty (sub_wire1),

-				.q (sub_wire2),

-				.full (sub_wire3)

-				// synopsys translate_off

-				,

-				.almost_empty (),

-				.sclr (),

-				.almost_full ()

-				// synopsys translate_on

-				);

-	defparam

-		scfifo_component.add_ram_output_register = "OFF",

-		scfifo_component.intended_device_family = "Cyclone",

-		scfifo_component.lpm_hint = "RAM_BLOCK_TYPE=M4K",

-		scfifo_component.lpm_numwords = 2048,

-		scfifo_component.lpm_showahead = "OFF",

-		scfifo_component.lpm_type = "scfifo",

-		scfifo_component.lpm_width = 16,

-		scfifo_component.lpm_widthu = 11,

-		scfifo_component.overflow_checking = "ON",

-		scfifo_component.underflow_checking = "ON",

-		scfifo_component.use_eab = "ON";

-

-

-endmodule

-

-// ============================================================

-// CNX file retrieval info

-// ============================================================

-// Retrieval info: PRIVATE: AlmostEmpty NUMERIC "0"

-// Retrieval info: PRIVATE: AlmostEmptyThr NUMERIC "-1"

-// Retrieval info: PRIVATE: AlmostFull NUMERIC "0"

-// Retrieval info: PRIVATE: AlmostFullThr NUMERIC "-1"

-// Retrieval info: PRIVATE: CLOCKS_ARE_SYNCHRONIZED NUMERIC "0"

-// Retrieval info: PRIVATE: Clock NUMERIC "0"

-// Retrieval info: PRIVATE: Depth NUMERIC "2048"

-// Retrieval info: PRIVATE: Empty NUMERIC "1"

-// Retrieval info: PRIVATE: Full NUMERIC "1"

-// Retrieval info: PRIVATE: INTENDED_DEVICE_FAMILY STRING "Cyclone"

-// Retrieval info: PRIVATE: LE_BasedFIFO NUMERIC "0"

-// Retrieval info: PRIVATE: LegacyRREQ NUMERIC "1"

-// Retrieval info: PRIVATE: MAX_DEPTH_BY_9 NUMERIC "0"

-// Retrieval info: PRIVATE: OVERFLOW_CHECKING NUMERIC "0"

-// Retrieval info: PRIVATE: Optimize NUMERIC "2"

-// Retrieval info: PRIVATE: RAM_BLOCK_TYPE NUMERIC "2"

-// Retrieval info: PRIVATE: UNDERFLOW_CHECKING NUMERIC "0"

-// Retrieval info: PRIVATE: UsedW NUMERIC "1"

-// Retrieval info: PRIVATE: Width NUMERIC "16"

-// Retrieval info: PRIVATE: dc_aclr NUMERIC "0"

-// Retrieval info: PRIVATE: rsEmpty NUMERIC "1"

-// Retrieval info: PRIVATE: rsFull NUMERIC "0"

-// Retrieval info: PRIVATE: rsUsedW NUMERIC "0"

-// Retrieval info: PRIVATE: sc_aclr NUMERIC "1"

-// Retrieval info: PRIVATE: sc_sclr NUMERIC "0"

-// Retrieval info: PRIVATE: wsEmpty NUMERIC "0"

-// Retrieval info: PRIVATE: wsFull NUMERIC "1"

-// Retrieval info: PRIVATE: wsUsedW NUMERIC "0"

-// Retrieval info: CONSTANT: ADD_RAM_OUTPUT_REGISTER STRING "OFF"

-// Retrieval info: CONSTANT: INTENDED_DEVICE_FAMILY STRING "Cyclone"

-// Retrieval info: CONSTANT: LPM_HINT STRING "RAM_BLOCK_TYPE=M4K"

-// Retrieval info: CONSTANT: LPM_NUMWORDS NUMERIC "2048"

-// Retrieval info: CONSTANT: LPM_SHOWAHEAD STRING "OFF"

-// Retrieval info: CONSTANT: LPM_TYPE STRING "scfifo"

-// Retrieval info: CONSTANT: LPM_WIDTH NUMERIC "16"

-// Retrieval info: CONSTANT: LPM_WIDTHU NUMERIC "11"

-// Retrieval info: CONSTANT: OVERFLOW_CHECKING STRING "ON"

-// Retrieval info: CONSTANT: UNDERFLOW_CHECKING STRING "ON"

-// Retrieval info: CONSTANT: USE_EAB STRING "ON"

-// Retrieval info: USED_PORT: aclr 0 0 0 0 INPUT NODEFVAL aclr

-// Retrieval info: USED_PORT: clock 0 0 0 0 INPUT NODEFVAL clock

-// Retrieval info: USED_PORT: data 0 0 16 0 INPUT NODEFVAL data[15..0]

-// Retrieval info: USED_PORT: empty 0 0 0 0 OUTPUT NODEFVAL empty

-// Retrieval info: USED_PORT: full 0 0 0 0 OUTPUT NODEFVAL full

-// Retrieval info: USED_PORT: q 0 0 16 0 OUTPUT NODEFVAL q[15..0]

-// Retrieval info: USED_PORT: rdreq 0 0 0 0 INPUT NODEFVAL rdreq

-// Retrieval info: USED_PORT: usedw 0 0 11 0 OUTPUT NODEFVAL usedw[10..0]

-// Retrieval info: USED_PORT: wrreq 0 0 0 0 INPUT NODEFVAL wrreq

-// Retrieval info: CONNECT: @data 0 0 16 0 data 0 0 16 0

-// Retrieval info: CONNECT: q 0 0 16 0 @q 0 0 16 0

-// Retrieval info: CONNECT: @wrreq 0 0 0 0 wrreq 0 0 0 0

-// Retrieval info: CONNECT: @rdreq 0 0 0 0 rdreq 0 0 0 0

-// Retrieval info: CONNECT: @clock 0 0 0 0 clock 0 0 0 0

-// Retrieval info: CONNECT: full 0 0 0 0 @full 0 0 0 0

-// Retrieval info: CONNECT: empty 0 0 0 0 @empty 0 0 0 0

-// Retrieval info: CONNECT: usedw 0 0 11 0 @usedw 0 0 11 0

-// Retrieval info: CONNECT: @aclr 0 0 0 0 aclr 0 0 0 0

-// Retrieval info: LIBRARY: altera_mf altera_mf.altera_mf_components.all

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_2kx16.v TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_2kx16.inc TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_2kx16.cmp TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_2kx16.bsf TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_2kx16_inst.v TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_2kx16_bb.v TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_2kx16_waveforms.html TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_2kx16_wave*.jpg FALSE

diff --git a/megacells/fifo_4kx16_dc.bsf b/megacells/fifo_4kx16_dc.bsf
new file mode 100755
index 000000000..b80add8de
--- /dev/null
+++ b/megacells/fifo_4kx16_dc.bsf
@@ -0,0 +1,117 @@
+/*

+WARNING: Do NOT edit the input and output ports in this file in a text

+editor if you plan to continue editing the block that represents it in

+the Block Editor! File corruption is VERY likely to occur.

+*/

+/*

+Copyright (C) 1991-2006 Altera Corporation

+Your use of Altera Corporation's design tools, logic functions 

+and other software and tools, and its AMPP partner logic 

+functions, and any output files any of the foregoing 

+(including device programming or simulation files), and any 

+associated documentation or information are expressly subject 

+to the terms and conditions of the Altera Program License 

+Subscription Agreement, Altera MegaCore Function License 

+Agreement, or other applicable license agreement, including, 

+without limitation, that your use is for the sole purpose of 

+programming logic devices manufactured by Altera and sold by 

+Altera or its authorized distributors.  Please refer to the 

+applicable agreement for further details.

+*/

+(header "symbol" (version "1.1"))

+(symbol

+	(rect 0 0 160 184)

+	(text "fifo_4kx16_dc" (rect 41 1 134 17)(font "Arial" (font_size 10)))

+	(text "inst" (rect 8 168 25 180)(font "Arial" ))

+	(port

+		(pt 0 32)

+		(input)

+		(text "data[15..0]" (rect 0 0 60 14)(font "Arial" (font_size 8)))

+		(text "data[15..0]" (rect 20 26 71 39)(font "Arial" (font_size 8)))

+		(line (pt 0 32)(pt 16 32)(line_width 3))

+	)

+	(port

+		(pt 0 56)

+		(input)

+		(text "wrreq" (rect 0 0 35 14)(font "Arial" (font_size 8)))

+		(text "wrreq" (rect 20 50 45 63)(font "Arial" (font_size 8)))

+		(line (pt 0 56)(pt 16 56)(line_width 1))

+	)

+	(port

+		(pt 0 72)

+		(input)

+		(text "wrclk" (rect 0 0 31 14)(font "Arial" (font_size 8)))

+		(text "wrclk" (rect 26 66 48 79)(font "Arial" (font_size 8)))

+		(line (pt 0 72)(pt 16 72)(line_width 1))

+	)

+	(port

+		(pt 0 104)

+		(input)

+		(text "rdreq" (rect 0 0 30 14)(font "Arial" (font_size 8)))

+		(text "rdreq" (rect 20 98 44 111)(font "Arial" (font_size 8)))

+		(line (pt 0 104)(pt 16 104)(line_width 1))

+	)

+	(port

+		(pt 0 120)

+		(input)

+		(text "rdclk" (rect 0 0 27 14)(font "Arial" (font_size 8)))

+		(text "rdclk" (rect 26 114 47 127)(font "Arial" (font_size 8)))

+		(line (pt 0 120)(pt 16 120)(line_width 1))

+	)

+	(port

+		(pt 0 160)

+		(input)

+		(text "aclr" (rect 0 0 21 14)(font "Arial" (font_size 8)))

+		(text "aclr" (rect 20 154 37 167)(font "Arial" (font_size 8)))

+		(line (pt 0 160)(pt 16 160)(line_width 1))

+	)

+	(port

+		(pt 160 40)

+		(output)

+		(text "wrfull" (rect 0 0 33 14)(font "Arial" (font_size 8)))

+		(text "wrfull" (rect 113 34 138 47)(font "Arial" (font_size 8)))

+		(line (pt 160 40)(pt 144 40)(line_width 1))

+	)

+	(port

+		(pt 160 72)

+		(output)

+		(text "wrusedw[11..0]" (rect 0 0 92 14)(font "Arial" (font_size 8)))

+		(text "wrusedw[11..0]" (rect 63 66 132 79)(font "Arial" (font_size 8)))

+		(line (pt 160 72)(pt 144 72)(line_width 3))

+	)

+	(port

+		(pt 160 96)

+		(output)

+		(text "q[15..0]" (rect 0 0 42 14)(font "Arial" (font_size 8)))

+		(text "q[15..0]" (rect 105 90 141 103)(font "Arial" (font_size 8)))

+		(line (pt 160 96)(pt 144 96)(line_width 3))

+	)

+	(port

+		(pt 160 120)

+		(output)

+		(text "rdempty" (rect 0 0 46 14)(font "Arial" (font_size 8)))

+		(text "rdempty" (rect 102 114 140 127)(font "Arial" (font_size 8)))

+		(line (pt 160 120)(pt 144 120)(line_width 1))

+	)

+	(port

+		(pt 160 136)

+		(output)

+		(text "rdusedw[11..0]" (rect 0 0 87 14)(font "Arial" (font_size 8)))

+		(text "rdusedw[11..0]" (rect 67 130 135 143)(font "Arial" (font_size 8)))

+		(line (pt 160 136)(pt 144 136)(line_width 3))

+	)

+	(drawing

+		(text "(ack)" (rect 51 99 72 111)(font "Arial" ))

+		(text "16 bits x 4096 words" (rect 58 156 144 168)(font "Arial" ))

+		(line (pt 16 16)(pt 144 16)(line_width 1))

+		(line (pt 144 16)(pt 144 168)(line_width 1))

+		(line (pt 144 168)(pt 16 168)(line_width 1))

+		(line (pt 16 168)(pt 16 16)(line_width 1))

+		(line (pt 16 84)(pt 144 84)(line_width 1))

+		(line (pt 16 148)(pt 144 148)(line_width 1))

+		(line (pt 16 66)(pt 22 72)(line_width 1))

+		(line (pt 22 72)(pt 16 78)(line_width 1))

+		(line (pt 16 114)(pt 22 120)(line_width 1))

+		(line (pt 22 120)(pt 16 126)(line_width 1))

+	)

+)

diff --git a/megacells/fifo_2kx16.cmp b/megacells/fifo_4kx16_dc.cmp
index 96c34d8d7..356de4d62 100755
--- a/megacells/fifo_2kx16.cmp
+++ b/megacells/fifo_4kx16_dc.cmp
@@ -13,17 +13,19 @@
 --applicable agreement for further details.

 

 

-component fifo_2kx16

+component fifo_4kx16_dc

 	PORT

 	(

-		aclr		: IN STD_LOGIC ;

-		clock		: IN STD_LOGIC ;

+		aclr		: IN STD_LOGIC  := '0';

 		data		: IN STD_LOGIC_VECTOR (15 DOWNTO 0);

+		rdclk		: IN STD_LOGIC ;

 		rdreq		: IN STD_LOGIC ;

+		wrclk		: IN STD_LOGIC ;

 		wrreq		: IN STD_LOGIC ;

-		empty		: OUT STD_LOGIC ;

-		full		: OUT STD_LOGIC ;

 		q		: OUT STD_LOGIC_VECTOR (15 DOWNTO 0);

-		usedw		: OUT STD_LOGIC_VECTOR (10 DOWNTO 0)

+		rdempty		: OUT STD_LOGIC ;

+		rdusedw		: OUT STD_LOGIC_VECTOR (11 DOWNTO 0);

+		wrfull		: OUT STD_LOGIC ;

+		wrusedw		: OUT STD_LOGIC_VECTOR (11 DOWNTO 0)

 	);

 end component;

diff --git a/megacells/fifo_2kx16.inc b/megacells/fifo_4kx16_dc.inc
index 3d72c6601..c14c01836 100755
--- a/megacells/fifo_2kx16.inc
+++ b/megacells/fifo_4kx16_dc.inc
@@ -13,18 +13,20 @@
 --applicable agreement for further details.

 

 

-FUNCTION fifo_2kx16 

+FUNCTION fifo_4kx16_dc 

 (

 	aclr,

-	clock,

 	data[15..0],

+	rdclk,

 	rdreq,

+	wrclk,

 	wrreq

 )

 

 RETURNS (

-	empty,

-	full,

 	q[15..0],

-	usedw[10..0]

+	rdempty,

+	rdusedw[11..0],

+	wrfull,

+	wrusedw[11..0]

 );

diff --git a/megacells/fifo_4kx16.v b/megacells/fifo_4kx16_dc.v
index c5ecfbae7..1f09000e3 100755
--- a/megacells/fifo_4kx16.v
+++ b/megacells/fifo_4kx16_dc.v
@@ -1,12 +1,12 @@
 // megafunction wizard: %FIFO%

 // GENERATION: STANDARD

 // VERSION: WM1.0

-// MODULE: scfifo 

+// MODULE: dcfifo 

 

 // ============================================================

-// File Name: fifo_4kx16.v

+// File Name: fifo_4kx16_dc.v

 // Megafunction Name(s):

-// 			scfifo

+// 			dcfifo

 // ============================================================

 // ************************************************************

 // THIS IS A WIZARD-GENERATED FILE. DO NOT EDIT THIS FILE!

@@ -33,65 +33,72 @@
 // synopsys translate_off

 `timescale 1 ps / 1 ps

 // synopsys translate_on

-module fifo_4kx16 (

+module fifo_4kx16_dc (

 	aclr,

-	clock,

 	data,

+	rdclk,

 	rdreq,

+	wrclk,

 	wrreq,

-	empty,

-	full,

 	q,

-	usedw);

+	rdempty,

+	rdusedw,

+	wrfull,

+	wrusedw);

 

 	input	  aclr;

-	input	  clock;

 	input	[15:0]  data;

+	input	  rdclk;

 	input	  rdreq;

+	input	  wrclk;

 	input	  wrreq;

-	output	  empty;

-	output	  full;

 	output	[15:0]  q;

-	output	[11:0]  usedw;

+	output	  rdempty;

+	output	[11:0]  rdusedw;

+	output	  wrfull;

+	output	[11:0]  wrusedw;

 

-	wire [11:0] sub_wire0;

-	wire  sub_wire1;

-	wire [15:0] sub_wire2;

-	wire  sub_wire3;

-	wire [11:0] usedw = sub_wire0[11:0];

-	wire  empty = sub_wire1;

-	wire [15:0] q = sub_wire2[15:0];

-	wire  full = sub_wire3;

+	wire  sub_wire0;

+	wire [11:0] sub_wire1;

+	wire  sub_wire2;

+	wire [15:0] sub_wire3;

+	wire [11:0] sub_wire4;

+	wire  rdempty = sub_wire0;

+	wire [11:0] wrusedw = sub_wire1[11:0];

+	wire  wrfull = sub_wire2;

+	wire [15:0] q = sub_wire3[15:0];

+	wire [11:0] rdusedw = sub_wire4[11:0];

 

-	scfifo	scfifo_component (

+	dcfifo	dcfifo_component (

+				.wrclk (wrclk),

 				.rdreq (rdreq),

 				.aclr (aclr),

-				.clock (clock),

+				.rdclk (rdclk),

 				.wrreq (wrreq),

 				.data (data),

-				.usedw (sub_wire0),

-				.empty (sub_wire1),

-				.q (sub_wire2),

-				.full (sub_wire3)

+				.rdempty (sub_wire0),

+				.wrusedw (sub_wire1),

+				.wrfull (sub_wire2),

+				.q (sub_wire3),

+				.rdusedw (sub_wire4)

 				// synopsys translate_off

 				,

-				.almost_empty (),

-				.sclr (),

-				.almost_full ()

+				.wrempty (),

+				.rdfull ()

 				// synopsys translate_on

 				);

 	defparam

-		scfifo_component.add_ram_output_register = "OFF",

-		scfifo_component.intended_device_family = "Cyclone",

-		scfifo_component.lpm_hint = "RAM_BLOCK_TYPE=M4K",

-		scfifo_component.lpm_numwords = 4096,

-		scfifo_component.lpm_showahead = "OFF",

-		scfifo_component.lpm_type = "scfifo",

-		scfifo_component.lpm_width = 16,

-		scfifo_component.lpm_widthu = 12,

-		scfifo_component.overflow_checking = "ON",

-		scfifo_component.underflow_checking = "ON",

-		scfifo_component.use_eab = "ON";

+		dcfifo_component.add_ram_output_register = "OFF",

+		dcfifo_component.clocks_are_synchronized = "FALSE",

+		dcfifo_component.intended_device_family = "Cyclone",

+		dcfifo_component.lpm_numwords = 4096,

+		dcfifo_component.lpm_showahead = "ON",

+		dcfifo_component.lpm_type = "dcfifo",

+		dcfifo_component.lpm_width = 16,

+		dcfifo_component.lpm_widthu = 12,

+		dcfifo_component.overflow_checking = "OFF",

+		dcfifo_component.underflow_checking = "OFF",

+		dcfifo_component.use_eab = "ON";

 

 

 endmodule

@@ -104,64 +111,68 @@ endmodule
 // Retrieval info: PRIVATE: AlmostFull NUMERIC "0"

 // Retrieval info: PRIVATE: AlmostFullThr NUMERIC "-1"

 // Retrieval info: PRIVATE: CLOCKS_ARE_SYNCHRONIZED NUMERIC "0"

-// Retrieval info: PRIVATE: Clock NUMERIC "0"

+// Retrieval info: PRIVATE: Clock NUMERIC "4"

 // Retrieval info: PRIVATE: Depth NUMERIC "4096"

 // Retrieval info: PRIVATE: Empty NUMERIC "1"

 // Retrieval info: PRIVATE: Full NUMERIC "1"

 // Retrieval info: PRIVATE: INTENDED_DEVICE_FAMILY STRING "Cyclone"

 // Retrieval info: PRIVATE: LE_BasedFIFO NUMERIC "0"

-// Retrieval info: PRIVATE: LegacyRREQ NUMERIC "1"

+// Retrieval info: PRIVATE: LegacyRREQ NUMERIC "0"

 // Retrieval info: PRIVATE: MAX_DEPTH_BY_9 NUMERIC "0"

-// Retrieval info: PRIVATE: OVERFLOW_CHECKING NUMERIC "0"

+// Retrieval info: PRIVATE: OVERFLOW_CHECKING NUMERIC "1"

 // Retrieval info: PRIVATE: Optimize NUMERIC "2"

-// Retrieval info: PRIVATE: RAM_BLOCK_TYPE NUMERIC "2"

-// Retrieval info: PRIVATE: UNDERFLOW_CHECKING NUMERIC "0"

+// Retrieval info: PRIVATE: RAM_BLOCK_TYPE NUMERIC "0"

+// Retrieval info: PRIVATE: UNDERFLOW_CHECKING NUMERIC "1"

 // Retrieval info: PRIVATE: UsedW NUMERIC "1"

 // Retrieval info: PRIVATE: Width NUMERIC "16"

-// Retrieval info: PRIVATE: dc_aclr NUMERIC "0"

+// Retrieval info: PRIVATE: dc_aclr NUMERIC "1"

 // Retrieval info: PRIVATE: rsEmpty NUMERIC "1"

 // Retrieval info: PRIVATE: rsFull NUMERIC "0"

-// Retrieval info: PRIVATE: rsUsedW NUMERIC "0"

-// Retrieval info: PRIVATE: sc_aclr NUMERIC "1"

+// Retrieval info: PRIVATE: rsUsedW NUMERIC "1"

+// Retrieval info: PRIVATE: sc_aclr NUMERIC "0"

 // Retrieval info: PRIVATE: sc_sclr NUMERIC "0"

 // Retrieval info: PRIVATE: wsEmpty NUMERIC "0"

 // Retrieval info: PRIVATE: wsFull NUMERIC "1"

-// Retrieval info: PRIVATE: wsUsedW NUMERIC "0"

+// Retrieval info: PRIVATE: wsUsedW NUMERIC "1"

 // Retrieval info: CONSTANT: ADD_RAM_OUTPUT_REGISTER STRING "OFF"

+// Retrieval info: CONSTANT: CLOCKS_ARE_SYNCHRONIZED STRING "FALSE"

 // Retrieval info: CONSTANT: INTENDED_DEVICE_FAMILY STRING "Cyclone"

-// Retrieval info: CONSTANT: LPM_HINT STRING "RAM_BLOCK_TYPE=M4K"

 // Retrieval info: CONSTANT: LPM_NUMWORDS NUMERIC "4096"

-// Retrieval info: CONSTANT: LPM_SHOWAHEAD STRING "OFF"

-// Retrieval info: CONSTANT: LPM_TYPE STRING "scfifo"

+// Retrieval info: CONSTANT: LPM_SHOWAHEAD STRING "ON"

+// Retrieval info: CONSTANT: LPM_TYPE STRING "dcfifo"

 // Retrieval info: CONSTANT: LPM_WIDTH NUMERIC "16"

 // Retrieval info: CONSTANT: LPM_WIDTHU NUMERIC "12"

-// Retrieval info: CONSTANT: OVERFLOW_CHECKING STRING "ON"

-// Retrieval info: CONSTANT: UNDERFLOW_CHECKING STRING "ON"

+// Retrieval info: CONSTANT: OVERFLOW_CHECKING STRING "OFF"

+// Retrieval info: CONSTANT: UNDERFLOW_CHECKING STRING "OFF"

 // Retrieval info: CONSTANT: USE_EAB STRING "ON"

-// Retrieval info: USED_PORT: aclr 0 0 0 0 INPUT NODEFVAL aclr

-// Retrieval info: USED_PORT: clock 0 0 0 0 INPUT NODEFVAL clock

+// Retrieval info: USED_PORT: aclr 0 0 0 0 INPUT GND aclr

 // Retrieval info: USED_PORT: data 0 0 16 0 INPUT NODEFVAL data[15..0]

-// Retrieval info: USED_PORT: empty 0 0 0 0 OUTPUT NODEFVAL empty

-// Retrieval info: USED_PORT: full 0 0 0 0 OUTPUT NODEFVAL full

 // Retrieval info: USED_PORT: q 0 0 16 0 OUTPUT NODEFVAL q[15..0]

+// Retrieval info: USED_PORT: rdclk 0 0 0 0 INPUT NODEFVAL rdclk

+// Retrieval info: USED_PORT: rdempty 0 0 0 0 OUTPUT NODEFVAL rdempty

 // Retrieval info: USED_PORT: rdreq 0 0 0 0 INPUT NODEFVAL rdreq

-// Retrieval info: USED_PORT: usedw 0 0 12 0 OUTPUT NODEFVAL usedw[11..0]

+// Retrieval info: USED_PORT: rdusedw 0 0 12 0 OUTPUT NODEFVAL rdusedw[11..0]

+// Retrieval info: USED_PORT: wrclk 0 0 0 0 INPUT NODEFVAL wrclk

+// Retrieval info: USED_PORT: wrfull 0 0 0 0 OUTPUT NODEFVAL wrfull

 // Retrieval info: USED_PORT: wrreq 0 0 0 0 INPUT NODEFVAL wrreq

+// Retrieval info: USED_PORT: wrusedw 0 0 12 0 OUTPUT NODEFVAL wrusedw[11..0]

 // Retrieval info: CONNECT: @data 0 0 16 0 data 0 0 16 0

 // Retrieval info: CONNECT: q 0 0 16 0 @q 0 0 16 0

 // Retrieval info: CONNECT: @wrreq 0 0 0 0 wrreq 0 0 0 0

 // Retrieval info: CONNECT: @rdreq 0 0 0 0 rdreq 0 0 0 0

-// Retrieval info: CONNECT: @clock 0 0 0 0 clock 0 0 0 0

-// Retrieval info: CONNECT: full 0 0 0 0 @full 0 0 0 0

-// Retrieval info: CONNECT: empty 0 0 0 0 @empty 0 0 0 0

-// Retrieval info: CONNECT: usedw 0 0 12 0 @usedw 0 0 12 0

+// Retrieval info: CONNECT: @rdclk 0 0 0 0 rdclk 0 0 0 0

+// Retrieval info: CONNECT: @wrclk 0 0 0 0 wrclk 0 0 0 0

+// Retrieval info: CONNECT: rdempty 0 0 0 0 @rdempty 0 0 0 0

+// Retrieval info: CONNECT: rdusedw 0 0 12 0 @rdusedw 0 0 12 0

+// Retrieval info: CONNECT: wrfull 0 0 0 0 @wrfull 0 0 0 0

+// Retrieval info: CONNECT: wrusedw 0 0 12 0 @wrusedw 0 0 12 0

 // Retrieval info: CONNECT: @aclr 0 0 0 0 aclr 0 0 0 0

 // Retrieval info: LIBRARY: altera_mf altera_mf.altera_mf_components.all

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_4kx16.v TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_4kx16.inc TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_4kx16.cmp TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_4kx16.bsf TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_4kx16_inst.v TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_4kx16_bb.v TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_4kx16_waveforms.html TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_4kx16_wave*.jpg FALSE

+// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_4kx16_dc.v TRUE

+// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_4kx16_dc.inc TRUE

+// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_4kx16_dc.cmp TRUE

+// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_4kx16_dc.bsf TRUE

+// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_4kx16_dc_inst.v TRUE

+// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_4kx16_dc_bb.v TRUE

+// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_4kx16_dc_waveforms.html FALSE

+// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_4kx16_dc_wave*.jpg FALSE

diff --git a/megacells/fifo_2kx16_bb.v b/megacells/fifo_4kx16_dc_bb.v
index 507bac073..91c3c322f 100755
--- a/megacells/fifo_2kx16_bb.v
+++ b/megacells/fifo_4kx16_dc_bb.v
@@ -1,12 +1,12 @@
 // megafunction wizard: %FIFO%VBB%

 // GENERATION: STANDARD

 // VERSION: WM1.0

-// MODULE: scfifo 

+// MODULE: dcfifo 

 

 // ============================================================

-// File Name: fifo_2kx16.v

+// File Name: fifo_4kx16_dc.v

 // Megafunction Name(s):

-// 			scfifo

+// 			dcfifo

 // ============================================================

 // ************************************************************

 // THIS IS A WIZARD-GENERATED FILE. DO NOT EDIT THIS FILE!

@@ -28,26 +28,30 @@
 //Altera or its authorized distributors.  Please refer to the 

 //applicable agreement for further details.

 

-module fifo_2kx16 (

+module fifo_4kx16_dc (

 	aclr,

-	clock,

 	data,

+	rdclk,

 	rdreq,

+	wrclk,

 	wrreq,

-	empty,

-	full,

 	q,

-	usedw);

+	rdempty,

+	rdusedw,

+	wrfull,

+	wrusedw);

 

 	input	  aclr;

-	input	  clock;

 	input	[15:0]  data;

+	input	  rdclk;

 	input	  rdreq;

+	input	  wrclk;

 	input	  wrreq;

-	output	  empty;

-	output	  full;

 	output	[15:0]  q;

-	output	[10:0]  usedw;

+	output	  rdempty;

+	output	[11:0]  rdusedw;

+	output	  wrfull;

+	output	[11:0]  wrusedw;

 

 endmodule

 

@@ -59,64 +63,68 @@ endmodule
 // Retrieval info: PRIVATE: AlmostFull NUMERIC "0"

 // Retrieval info: PRIVATE: AlmostFullThr NUMERIC "-1"

 // Retrieval info: PRIVATE: CLOCKS_ARE_SYNCHRONIZED NUMERIC "0"

-// Retrieval info: PRIVATE: Clock NUMERIC "0"

-// Retrieval info: PRIVATE: Depth NUMERIC "2048"

+// Retrieval info: PRIVATE: Clock NUMERIC "4"

+// Retrieval info: PRIVATE: Depth NUMERIC "4096"

 // Retrieval info: PRIVATE: Empty NUMERIC "1"

 // Retrieval info: PRIVATE: Full NUMERIC "1"

 // Retrieval info: PRIVATE: INTENDED_DEVICE_FAMILY STRING "Cyclone"

 // Retrieval info: PRIVATE: LE_BasedFIFO NUMERIC "0"

-// Retrieval info: PRIVATE: LegacyRREQ NUMERIC "1"

+// Retrieval info: PRIVATE: LegacyRREQ NUMERIC "0"

 // Retrieval info: PRIVATE: MAX_DEPTH_BY_9 NUMERIC "0"

-// Retrieval info: PRIVATE: OVERFLOW_CHECKING NUMERIC "0"

+// Retrieval info: PRIVATE: OVERFLOW_CHECKING NUMERIC "1"

 // Retrieval info: PRIVATE: Optimize NUMERIC "2"

-// Retrieval info: PRIVATE: RAM_BLOCK_TYPE NUMERIC "2"

-// Retrieval info: PRIVATE: UNDERFLOW_CHECKING NUMERIC "0"

+// Retrieval info: PRIVATE: RAM_BLOCK_TYPE NUMERIC "0"

+// Retrieval info: PRIVATE: UNDERFLOW_CHECKING NUMERIC "1"

 // Retrieval info: PRIVATE: UsedW NUMERIC "1"

 // Retrieval info: PRIVATE: Width NUMERIC "16"

-// Retrieval info: PRIVATE: dc_aclr NUMERIC "0"

+// Retrieval info: PRIVATE: dc_aclr NUMERIC "1"

 // Retrieval info: PRIVATE: rsEmpty NUMERIC "1"

 // Retrieval info: PRIVATE: rsFull NUMERIC "0"

-// Retrieval info: PRIVATE: rsUsedW NUMERIC "0"

-// Retrieval info: PRIVATE: sc_aclr NUMERIC "1"

+// Retrieval info: PRIVATE: rsUsedW NUMERIC "1"

+// Retrieval info: PRIVATE: sc_aclr NUMERIC "0"

 // Retrieval info: PRIVATE: sc_sclr NUMERIC "0"

 // Retrieval info: PRIVATE: wsEmpty NUMERIC "0"

 // Retrieval info: PRIVATE: wsFull NUMERIC "1"

-// Retrieval info: PRIVATE: wsUsedW NUMERIC "0"

+// Retrieval info: PRIVATE: wsUsedW NUMERIC "1"

 // Retrieval info: CONSTANT: ADD_RAM_OUTPUT_REGISTER STRING "OFF"

+// Retrieval info: CONSTANT: CLOCKS_ARE_SYNCHRONIZED STRING "FALSE"

 // Retrieval info: CONSTANT: INTENDED_DEVICE_FAMILY STRING "Cyclone"

-// Retrieval info: CONSTANT: LPM_HINT STRING "RAM_BLOCK_TYPE=M4K"

-// Retrieval info: CONSTANT: LPM_NUMWORDS NUMERIC "2048"

-// Retrieval info: CONSTANT: LPM_SHOWAHEAD STRING "OFF"

-// Retrieval info: CONSTANT: LPM_TYPE STRING "scfifo"

+// Retrieval info: CONSTANT: LPM_NUMWORDS NUMERIC "4096"

+// Retrieval info: CONSTANT: LPM_SHOWAHEAD STRING "ON"

+// Retrieval info: CONSTANT: LPM_TYPE STRING "dcfifo"

 // Retrieval info: CONSTANT: LPM_WIDTH NUMERIC "16"

-// Retrieval info: CONSTANT: LPM_WIDTHU NUMERIC "11"

-// Retrieval info: CONSTANT: OVERFLOW_CHECKING STRING "ON"

-// Retrieval info: CONSTANT: UNDERFLOW_CHECKING STRING "ON"

+// Retrieval info: CONSTANT: LPM_WIDTHU NUMERIC "12"

+// Retrieval info: CONSTANT: OVERFLOW_CHECKING STRING "OFF"

+// Retrieval info: CONSTANT: UNDERFLOW_CHECKING STRING "OFF"

 // Retrieval info: CONSTANT: USE_EAB STRING "ON"

-// Retrieval info: USED_PORT: aclr 0 0 0 0 INPUT NODEFVAL aclr

-// Retrieval info: USED_PORT: clock 0 0 0 0 INPUT NODEFVAL clock

+// Retrieval info: USED_PORT: aclr 0 0 0 0 INPUT GND aclr

 // Retrieval info: USED_PORT: data 0 0 16 0 INPUT NODEFVAL data[15..0]

-// Retrieval info: USED_PORT: empty 0 0 0 0 OUTPUT NODEFVAL empty

-// Retrieval info: USED_PORT: full 0 0 0 0 OUTPUT NODEFVAL full

 // Retrieval info: USED_PORT: q 0 0 16 0 OUTPUT NODEFVAL q[15..0]

+// Retrieval info: USED_PORT: rdclk 0 0 0 0 INPUT NODEFVAL rdclk

+// Retrieval info: USED_PORT: rdempty 0 0 0 0 OUTPUT NODEFVAL rdempty

 // Retrieval info: USED_PORT: rdreq 0 0 0 0 INPUT NODEFVAL rdreq

-// Retrieval info: USED_PORT: usedw 0 0 11 0 OUTPUT NODEFVAL usedw[10..0]

+// Retrieval info: USED_PORT: rdusedw 0 0 12 0 OUTPUT NODEFVAL rdusedw[11..0]

+// Retrieval info: USED_PORT: wrclk 0 0 0 0 INPUT NODEFVAL wrclk

+// Retrieval info: USED_PORT: wrfull 0 0 0 0 OUTPUT NODEFVAL wrfull

 // Retrieval info: USED_PORT: wrreq 0 0 0 0 INPUT NODEFVAL wrreq

+// Retrieval info: USED_PORT: wrusedw 0 0 12 0 OUTPUT NODEFVAL wrusedw[11..0]

 // Retrieval info: CONNECT: @data 0 0 16 0 data 0 0 16 0

 // Retrieval info: CONNECT: q 0 0 16 0 @q 0 0 16 0

 // Retrieval info: CONNECT: @wrreq 0 0 0 0 wrreq 0 0 0 0

 // Retrieval info: CONNECT: @rdreq 0 0 0 0 rdreq 0 0 0 0

-// Retrieval info: CONNECT: @clock 0 0 0 0 clock 0 0 0 0

-// Retrieval info: CONNECT: full 0 0 0 0 @full 0 0 0 0

-// Retrieval info: CONNECT: empty 0 0 0 0 @empty 0 0 0 0

-// Retrieval info: CONNECT: usedw 0 0 11 0 @usedw 0 0 11 0

+// Retrieval info: CONNECT: @rdclk 0 0 0 0 rdclk 0 0 0 0

+// Retrieval info: CONNECT: @wrclk 0 0 0 0 wrclk 0 0 0 0

+// Retrieval info: CONNECT: rdempty 0 0 0 0 @rdempty 0 0 0 0

+// Retrieval info: CONNECT: rdusedw 0 0 12 0 @rdusedw 0 0 12 0

+// Retrieval info: CONNECT: wrfull 0 0 0 0 @wrfull 0 0 0 0

+// Retrieval info: CONNECT: wrusedw 0 0 12 0 @wrusedw 0 0 12 0

 // Retrieval info: CONNECT: @aclr 0 0 0 0 aclr 0 0 0 0

 // Retrieval info: LIBRARY: altera_mf altera_mf.altera_mf_components.all

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_2kx16.v TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_2kx16.inc TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_2kx16.cmp TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_2kx16.bsf TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_2kx16_inst.v TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_2kx16_bb.v TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_2kx16_waveforms.html TRUE

-// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_2kx16_wave*.jpg FALSE

+// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_4kx16_dc.v TRUE

+// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_4kx16_dc.inc TRUE

+// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_4kx16_dc.cmp TRUE

+// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_4kx16_dc.bsf TRUE

+// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_4kx16_dc_inst.v TRUE

+// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_4kx16_dc_bb.v TRUE

+// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_4kx16_dc_waveforms.html FALSE

+// Retrieval info: GEN_FILE: TYPE_NORMAL fifo_4kx16_dc_wave*.jpg FALSE

diff --git a/megacells/fifo_4kx16_dc_inst.v b/megacells/fifo_4kx16_dc_inst.v
new file mode 100755
index 000000000..566f27a17
--- /dev/null
+++ b/megacells/fifo_4kx16_dc_inst.v
@@ -0,0 +1,13 @@
+fifo_4kx16_dc	fifo_4kx16_dc_inst (

+	.aclr ( aclr_sig ),

+	.data ( data_sig ),

+	.rdclk ( rdclk_sig ),

+	.rdreq ( rdreq_sig ),

+	.wrclk ( wrclk_sig ),

+	.wrreq ( wrreq_sig ),

+	.q ( q_sig ),

+	.rdempty ( rdempty_sig ),

+	.rdusedw ( rdusedw_sig ),

+	.wrfull ( wrfull_sig ),

+	.wrusedw ( wrusedw_sig )

+	);

diff --git a/megacells/fifo_4kx16_inst.v b/megacells/fifo_4kx16_inst.v
deleted file mode 100755
index eb260acaa..000000000
--- a/megacells/fifo_4kx16_inst.v
+++ /dev/null
@@ -1,11 +0,0 @@
-fifo_4kx16	fifo_4kx16_inst (

-	.aclr ( aclr_sig ),

-	.clock ( clock_sig ),

-	.data ( data_sig ),

-	.rdreq ( rdreq_sig ),

-	.wrreq ( wrreq_sig ),

-	.empty ( empty_sig ),

-	.full ( full_sig ),

-	.q ( q_sig ),

-	.usedw ( usedw_sig )

-	);