18 files changed, 553 insertions, 449 deletions
diff --git a/usrp2/control_lib/ram_harvard.v b/usrp2/control_lib/ram_harvard.v
index 948f9b36f..a190e20fd 100644
--- a/usrp2/control_lib/ram_harvard.v
+++ b/usrp2/control_lib/ram_harvard.v
@@ -27,9 +27,7 @@ module ram_harvard
      input dwb_we_i,
      output dwb_ack_o,
      input dwb_stb_i,
-     input [3:0] dwb_sel_i,
-
-     input flush_icache );
+     input [3:0] dwb_sel_i );
 
    reg 	   ack_d1;
    reg 	   stb_d1;
diff --git a/usrp2/fifo/packet_router.v b/usrp2/fifo/packet_router.v
index 7774ff076..04c17b647 100644
--- a/usrp2/fifo/packet_router.v
+++ b/usrp2/fifo/packet_router.v
@@ -251,28 +251,14 @@ module packet_router
     ////////////////////////////////////////////////////////////////////
 
     //dummy signals to connect the components below
-    wire [18:0] _udp_r2s_data, _udp_s2r_data;
-    wire _udp_r2s_valid, _udp_s2r_valid;
-    wire _udp_r2s_ready, _udp_s2r_ready;
-
     wire [35:0] _com_out_data;
     wire _com_out_valid, _com_out_ready;
 
-    fifo36_to_fifo19 udp_fifo36_to_fifo19
-     (.clk(stream_clk), .reset(stream_rst), .clear(stream_clr),
-      .f36_datain(udp_out_data),   .f36_src_rdy_i(udp_out_valid),  .f36_dst_rdy_o(udp_out_ready),
-      .f19_dataout(_udp_r2s_data), .f19_src_rdy_o(_udp_r2s_valid), .f19_dst_rdy_i(_udp_r2s_ready) );
-
     prot_eng_tx #(.BASE(UDP_BASE)) udp_prot_eng_tx
      (.clk(stream_clk), .reset(stream_rst), .clear(stream_clr),
       .set_stb(set_stb), .set_addr(set_addr), .set_data(set_data),
-      .datain(_udp_r2s_data),  .src_rdy_i(_udp_r2s_valid), .dst_rdy_o(_udp_r2s_ready),
-      .dataout(_udp_s2r_data), .src_rdy_o(_udp_s2r_valid), .dst_rdy_i(_udp_s2r_ready) );
-
-    fifo19_to_fifo36 udp_fifo19_to_fifo36
-     (.clk(stream_clk), .reset(stream_rst), .clear(stream_clr),
-      .f19_datain(_udp_s2r_data), .f19_src_rdy_i(_udp_s2r_valid), .f19_dst_rdy_o(_udp_s2r_ready),
-      .f36_dataout(_com_out_data), .f36_src_rdy_o(_com_out_valid),  .f36_dst_rdy_i(_com_out_ready) );
+      .datain(udp_out_data),  .src_rdy_i(udp_out_valid), .dst_rdy_o(udp_out_ready),
+      .dataout(_com_out_data), .src_rdy_o(_com_out_valid), .dst_rdy_i(_com_out_ready) );
 
     fifo36_mux com_out_mux(
         .clk(stream_clk), .reset(stream_rst), .clear(stream_clr),
diff --git a/usrp2/opencores/zpu/core/zpu_config.vhd b/usrp2/opencores/zpu/core/zpu_config.vhd
index b7e894232..f7743d602 100644
--- a/usrp2/opencores/zpu/core/zpu_config.vhd
+++ b/usrp2/opencores/zpu/core/zpu_config.vhd
@@ -12,4 +12,9 @@ package zpu_config is
 	constant	ZPU_Frequency		: std_logic_vector(7 downto 0) := x"40";
 	-- This is the msb address bit. bytes=2^(maxAddrBitIncIO+1)
 	constant 	maxAddrBitIncIO		: integer := 15;
+	
+	-- start byte address of stack. 
+	-- point to top of RAM - 2*words
+	constant 	spStart				: std_logic_vector(maxAddrBitIncIO downto 0) := x"3ff8";
+	
 end zpu_config;
diff --git a/usrp2/opencores/zpu/core/zpu_core.vhd b/usrp2/opencores/zpu/core/zpu_core.vhd
index 24586b2f6..2450f14d3 100644
--- a/usrp2/opencores/zpu/core/zpu_core.vhd
+++ b/usrp2/opencores/zpu/core/zpu_core.vhd
@@ -26,7 +26,6 @@ entity zpu_core is
 	 		  mem_write : out std_logic_vector(wordSize-1 downto 0);
 			  out_mem_addr : out std_logic_vector(maxAddrBitIncIO downto 0);
 	 		  mem_writeMask: out std_logic_vector(wordBytes-1 downto 0);
-			  stack_start : in std_logic_vector(maxAddrBitIncIO downto 0);
 	 		  interrupt : in std_logic;
 	 		  break : out std_logic;
 	 		  zpu_status : out std_logic_vector(63 downto 0));
@@ -203,7 +202,7 @@ begin
 		if areset = '1' then
 			state <= State_Idle;
 			break <= '0';
-			sp <= stack_start(maxAddrBitIncIO downto minAddrBit);
+			sp <= spStart(maxAddrBitIncIO downto minAddrBit);
 			 
 			pc <= (others => '0');
 			idim_flag <= '0';
diff --git a/usrp2/opencores/zpu/core/zpupkg.vhd b/usrp2/opencores/zpu/core/zpupkg.vhd
index eee967a09..1a01563b8 100644
--- a/usrp2/opencores/zpu/core/zpupkg.vhd
+++ b/usrp2/opencores/zpu/core/zpupkg.vhd
@@ -73,7 +73,6 @@ package zpupkg is
 	 		  mem_write : out std_logic_vector(wordSize-1 downto 0);
 			  out_mem_addr : out std_logic_vector(maxAddrBitIncIO downto 0);
 	 		  mem_writeMask: out std_logic_vector(wordBytes-1 downto 0);
-			  stack_start : in std_logic_vector(maxAddrBitIncIO downto 0);
 	 		  interrupt : in std_logic;
 	 		  break : out std_logic;
 	 		  zpu_status : out std_logic_vector(63 downto 0));
diff --git a/usrp2/opencores/zpu/wishbone/zpu_system.vhd b/usrp2/opencores/zpu/wishbone/zpu_system.vhd
index 8af678b6a..294651fe2 100644
--- a/usrp2/opencores/zpu/wishbone/zpu_system.vhd
+++ b/usrp2/opencores/zpu/wishbone/zpu_system.vhd
@@ -51,7 +51,7 @@ entity zpu_system is
 			-- ZPU Control signals
 			enable			: in std_logic;
 			interrupt		: in std_logic;
-			stack_start		: in std_logic_vector(maxAddrBitIncIO downto 0);
+
 			zpu_status		: out std_logic_vector(63 downto 0);
 
 			-- wishbone interfaces
@@ -84,7 +84,6 @@ begin
 	 	mem_write 			=> mem_write,
 		out_mem_addr 		=> out_mem_addr,
 	 	mem_writeMask		=> mem_writeMask,
-	 	stack_start			=> stack_start,
 	 	interrupt			=> interrupt,
 	 	zpu_status			=> zpu_status,
 	 	break				=> open);
diff --git a/usrp2/opencores/zpu/zpu_top_pkg.vhd b/usrp2/opencores/zpu/zpu_top_pkg.vhd
index a158ab9c0..23ff48c39 100644
--- a/usrp2/opencores/zpu/zpu_top_pkg.vhd
+++ b/usrp2/opencores/zpu/zpu_top_pkg.vhd
@@ -35,7 +35,7 @@ package zpu_top_pkg is
             -- ZPU Control signals
             enable			: in std_logic;
             interrupt		: in std_logic;
-            stack_start		: in std_logic_vector(maxAddrBitIncIO downto 0);
+
             zpu_status		: out std_logic_vector(63 downto 0);
 
             -- wishbone interfaces
diff --git a/usrp2/opencores/zpu/zpu_wb_top.vhd b/usrp2/opencores/zpu/zpu_wb_top.vhd
index 9735c4b54..48e5ee31d 100644
--- a/usrp2/opencores/zpu/zpu_wb_top.vhd
+++ b/usrp2/opencores/zpu/zpu_wb_top.vhd
@@ -36,7 +36,6 @@ entity zpu_wb_top is
 
         -- misc zpu signals
         interrupt: in std_logic;
-        stack_start: in std_logic_vector(adr_w-1 downto 0);
         zpu_status: out std_logic_vector(63 downto 0)
     );
 
@@ -67,7 +66,6 @@ zpu_system0: zpu_system port map(
     areset => rst,
     enable => enb,
     interrupt => interrupt,
-    stack_start => stack_start,
     zpu_status => zpu_status,
     zpu_wb_i => zpu_wb_i,
     zpu_wb_o => zpu_wb_o
diff --git a/usrp2/simple_gemac/Makefile.srcs b/usrp2/simple_gemac/Makefile.srcs
index b82e64208..7bcc58c91 100644
--- a/usrp2/simple_gemac/Makefile.srcs
+++ b/usrp2/simple_gemac/Makefile.srcs
@@ -24,4 +24,6 @@ miim/eth_miim.v \
 miim/eth_clockgen.v \
 miim/eth_outputcontrol.v \
 miim/eth_shiftreg.v \
+ethtx_realign.v \
+ethrx_realign.v \
 ))
diff --git a/usrp2/simple_gemac/ethrx_realign.v b/usrp2/simple_gemac/ethrx_realign.v
new file mode 100644
index 000000000..0a369c914
--- /dev/null
+++ b/usrp2/simple_gemac/ethrx_realign.v
@@ -0,0 +1,72 @@
+
+// NOTE:  Will not work with single-line frames
+
+module ethrx_realign
+   (input clk, input reset, input clear,
+    input [35:0] datain, input src_rdy_i, output dst_rdy_o,
+    output [35:0] dataout, output src_rdy_o, input dst_rdy_i);
+
+   reg [1:0] 	  state;
+   reg [15:0] 	  held;
+   reg [1:0] 	  held_occ;
+	  
+   wire 	  xfer_in = src_rdy_i & dst_rdy_o;
+   wire 	  xfer_out = src_rdy_o & dst_rdy_i;
+
+   wire 	  sof_in = datain[32];
+   wire 	  eof_in = datain[33];
+   wire [1:0] 	  occ_in = datain[35:34];
+   wire 	  sof_out, eof_out;
+   wire [1:0] 	  occ_out;
+      
+   always @(posedge clk)
+     if(reset | clear)
+       begin
+	  held <= 0;
+	  held_occ <= 0;
+       end
+     else if(xfer_in)
+       begin
+	  held <= datain[15:0];
+	  held_occ <= datain[35:34];
+       end
+   
+   localparam RE_IDLE = 0;
+   localparam RE_HELD = 1;
+   localparam RE_DONE = 2;
+
+   always @(posedge clk)
+     if(reset | clear)
+       state <= RE_IDLE;
+     else
+       case(state)
+	 RE_IDLE :
+	   if(src_rdy_i & dst_rdy_i)
+	      if(eof_in)
+		state <= RE_DONE;
+	      else
+		state <= RE_HELD;
+
+	 RE_HELD :
+	   if(src_rdy_i & dst_rdy_i & eof_in)
+	     if((occ_in==0)|(occ_in==3))
+	       state <= RE_DONE;
+	     else
+	       state <= RE_IDLE;
+
+	 RE_DONE :
+	   if(dst_rdy_i)
+	     state <= RE_IDLE;
+	 
+       endcase // case (state)
+   
+   
+   assign sof_out = (state == RE_IDLE);
+   assign eof_out = (state == RE_DONE) | (occ_in == 1) | (occ_in == 2);
+   assign occ_out = (state == RE_DONE) ? ((held_occ == 3) ? 1 : 2) :
+		    (occ_in == 1) ? 3 : 0;
+   		    
+   assign dataout = {occ_out,eof_out,sof_out,held,datain[31:16]};
+   assign src_rdy_o = (state == RE_DONE) | src_rdy_i;
+   assign dst_rdy_o = dst_rdy_i & ((state == RE_IDLE)|(state == RE_HELD));
+endmodule // ethrx_realign
diff --git a/usrp2/simple_gemac/ethtx_realign.v b/usrp2/simple_gemac/ethtx_realign.v
new file mode 100644
index 000000000..be53abf4c
--- /dev/null
+++ b/usrp2/simple_gemac/ethtx_realign.v
@@ -0,0 +1,77 @@
+
+////////////////////////////////////////////////////////////////////////
+// Ethernet TX - Realign
+//
+// - removes a 2-byte pad from the front a fifo36 stream
+// - occupancy is preserved
+//
+
+module ethtx_realign
+   (input clk, input reset, input clear,
+    input [35:0] datain, input src_rdy_i, output dst_rdy_o,
+    output [35:0] dataout, output src_rdy_o, input dst_rdy_i);
+
+   reg [1:0] 	  state;
+   reg [15:0] 	  held;
+   reg [1:0] 	  held_occ;
+   reg 		  held_sof;
+   
+   wire 	  xfer_in = src_rdy_i & dst_rdy_o;
+   wire 	  xfer_out = src_rdy_o & dst_rdy_i;
+
+   wire 	  sof_in = datain[32];
+   wire 	  eof_in = datain[33];
+   wire [1:0] 	  occ_in = datain[35:34];
+   wire 	  occ_low = occ_in[1] ^ occ_in[0]; //occ is 1 or 2
+
+   always @(posedge clk)
+     if(reset | clear)
+       begin
+	  held <= 0;
+	  held_occ <= 0;
+	  held_sof <= 0;
+       end
+     else if(xfer_in)
+       begin
+	  held <= datain[15:0];
+	  held_occ <= occ_in;
+	  held_sof <= sof_in;
+       end
+   
+   localparam RE_IDLE = 0;
+   localparam RE_HELD = 1;
+   localparam RE_DONE = 2;
+
+   always @(posedge clk)
+     if(reset | clear)
+       state <= RE_IDLE;
+     else
+       case(state)
+	 RE_IDLE :
+	   if(xfer_in & eof_in)
+	     state <= RE_DONE;
+	   else if(xfer_in & sof_in)
+	     state <= RE_HELD;
+
+	 RE_HELD :
+	   if(xfer_in & xfer_out & eof_in)
+	     if(occ_low)
+	       state <= RE_IDLE;
+	     else
+	       state <= RE_DONE;
+
+	 RE_DONE :
+	   if(xfer_out)
+	     state <= RE_IDLE;
+	 
+       endcase // case (state)
+
+   wire sof_out = held_sof;
+   wire eof_out = (state == RE_HELD)? (eof_in & occ_low) : (state == RE_DONE);
+   wire [1:0] occ_out = ((state == RE_DONE)? held_occ : occ_in) ^ 2'b10; //(occ + 2)%4
+
+   assign dataout = {occ_out,eof_out,sof_out,held,datain[31:16]};
+   assign src_rdy_o = (state == RE_HELD)? src_rdy_i : (state == RE_DONE);
+   assign dst_rdy_o = (state == RE_HELD)? dst_rdy_i : (state == RE_IDLE);
+
+endmodule // ethtx_realign
diff --git a/usrp2/simple_gemac/simple_gemac_wrapper.v b/usrp2/simple_gemac/simple_gemac_wrapper.v
index b783729d5..8390eb2c6 100644
--- a/usrp2/simple_gemac/simple_gemac_wrapper.v
+++ b/usrp2/simple_gemac/simple_gemac_wrapper.v
@@ -106,17 +106,22 @@ module simple_gemac_wrapper
    // TX FIFO Chain
    wire 	  tx_ll_sof, tx_ll_eof, tx_ll_src_rdy, tx_ll_dst_rdy;
    wire [7:0] 	  tx_ll_data;
-   wire [35:0] 	  tx_f36_data_int1;
-   wire 	  tx_f36_src_rdy_int1, tx_f36_dst_rdy_int1;
+   wire [35:0] 	  tx_f36_data_int1, tx_f36_data_int2;
+   wire 	  tx_f36_src_rdy_int1, tx_f36_dst_rdy_int1, tx_f36_src_rdy_int2, tx_f36_dst_rdy_int2;
    
    fifo_2clock_cascade #(.WIDTH(36), .SIZE(TXFIFOSIZE)) tx_2clk_fifo
      (.wclk(sys_clk), .datain(tx_f36_data), .src_rdy_i(tx_f36_src_rdy), .dst_rdy_o(tx_f36_dst_rdy), .space(),
       .rclk(tx_clk), .dataout(tx_f36_data_int1), .src_rdy_o(tx_f36_src_rdy_int1), .dst_rdy_i(tx_f36_dst_rdy_int1), .occupied(), 
       .arst(reset));
-   
+
+   ethtx_realign ethtx_realign
+     (.clk(tx_clk), .reset(tx_reset), .clear(clear),
+      .datain(tx_f36_data_int1), .src_rdy_i(tx_f36_src_rdy_int1), .dst_rdy_o(tx_f36_dst_rdy_int1),
+      .dataout(tx_f36_data_int2), .src_rdy_o(tx_f36_src_rdy_int2), .dst_rdy_i(tx_f36_dst_rdy_int2) );
+     
    fifo36_to_ll8 fifo36_to_ll8
      (.clk(tx_clk), .reset(tx_reset), .clear(clear),
-      .f36_data(tx_f36_data_int1), .f36_src_rdy_i(tx_f36_src_rdy_int1), .f36_dst_rdy_o(tx_f36_dst_rdy_int1),
+      .f36_data(tx_f36_data_int2), .f36_src_rdy_i(tx_f36_src_rdy_int2), .f36_dst_rdy_o(tx_f36_dst_rdy_int2),
       .ll_data(tx_ll_data), .ll_sof(tx_ll_sof), .ll_eof(tx_ll_eof),
       .ll_src_rdy(tx_ll_src_rdy), .ll_dst_rdy(tx_ll_dst_rdy));
 
diff --git a/usrp2/simple_gemac/simple_gemac_wrapper19.v b/usrp2/simple_gemac/simple_gemac_wrapper19.v
index c155b7d41..2ac8b9be1 100644
--- a/usrp2/simple_gemac/simple_gemac_wrapper19.v
+++ b/usrp2/simple_gemac/simple_gemac_wrapper19.v
@@ -90,7 +90,6 @@ module simple_gemac_wrapper19
       .datain(rx_f19_data_int1), .src_rdy_i(rx_f19_src_rdy_int1), .dst_rdy_o(rx_f19_dst_rdy_int1),
       .dataout(rx_f19_data_int2), .src_rdy_o(rx_f19_src_rdy_int2), .dst_rdy_i(rx_f19_dst_rdy_int2) );
 
-   //fifo_2clock_cascade #(.WIDTH(19), .SIZE(RXFIFOSIZE)) rx_2clk_fifo
    fifo_2clock_cascade #(.WIDTH(36), .SIZE(RXFIFOSIZE)) rx_2clk_fifo
      (.wclk(rx_clk), .datain(rx_f19_data_int2), 
       .src_rdy_i(rx_f19_src_rdy_int2), .dst_rdy_o(rx_f19_dst_rdy_int2), .space(rx_fifo_space),
diff --git a/usrp2/top/u2_rev3/u2_core.v b/usrp2/top/u2_rev3/u2_core.v
index 79470de9e..0e6120ec6 100644
--- a/usrp2/top/u2_rev3/u2_core.v
+++ b/usrp2/top/u2_rev3/u2_core.v
@@ -136,18 +136,22 @@ module u2_core
    input [3:0] clock_divider
    );
 
-   localparam SR_MISC     =  0;   // Uses 9 regs
-   localparam SR_BUF_POOL = 64;   // Uses 4 regs
-   localparam SR_UDP_SM   = 96;   // 64 regs
-   localparam SR_RX_DSP0  = 160;  // 16
-   localparam SR_RX_CTRL0 = 176;  // 16
-   localparam SR_TIME64   = 192;  //  3
-   localparam SR_SIMTIMER = 198;  //  2
-   localparam SR_TX_DSP   = 208;  // 16
-   localparam SR_TX_CTRL  = 224;  // 16
-   localparam SR_RX_DSP1  = 240;
-   localparam SR_RX_CTRL1 = 32;
-   
+   localparam SR_MISC     =   0;   // 7 regs
+   localparam SR_SIMTIMER =   8;   // 2
+   localparam SR_TIME64   =  10;   // 6
+   localparam SR_BUF_POOL =  16;   // 4
+
+   localparam SR_RX_FRONT =  24;   // 5
+   localparam SR_RX_CTRL0 =  32;   // 9
+   localparam SR_RX_DSP0  =  48;   // 7
+   localparam SR_RX_CTRL1 =  80;   // 9
+   localparam SR_RX_DSP1  =  96;   // 7
+
+   localparam SR_TX_FRONT = 128;   // ?
+   localparam SR_TX_CTRL  = 144;   // 6
+   localparam SR_TX_DSP   = 160;   // 5
+
+   localparam SR_UDP_SM   = 192;   // 64
    
    // FIFO Sizes, 9 = 512 lines, 10 = 1024, 11 = 2048
    // all (most?) are 36 bits wide, so 9 is 1 BRAM, 10 is 2, 11 is 4 BRAMs
@@ -208,23 +212,23 @@ module u2_core
    wire 	 m0_err, m0_rty;
    wire 	 m0_we,s0_we,s1_we,s2_we,s3_we,s4_we,s5_we,s6_we,s7_we,s8_we,s9_we,sa_we,sb_we,sc_we,sd_we,se_we,sf_we;
    
-   wb_1master #(.decode_w(6),
-		.s0_addr(6'b0000_00),.s0_mask(6'b100000),
-		.s1_addr(6'b1000_00),.s1_mask(6'b110000),
- 		.s2_addr(6'b1100_00),.s2_mask(6'b111111),
-		.s3_addr(6'b1100_01),.s3_mask(6'b111111),
-		.s4_addr(6'b1100_10),.s4_mask(6'b111111),
-		.s5_addr(6'b1100_11),.s5_mask(6'b111111),
-		.s6_addr(6'b1101_00),.s6_mask(6'b111111),
-		.s7_addr(6'b1101_01),.s7_mask(6'b111111),
-		.s8_addr(6'b1101_10),.s8_mask(6'b111111),
-		.s9_addr(6'b1101_11),.s9_mask(6'b111111),
-		.sa_addr(6'b1110_00),.sa_mask(6'b111111),
-		.sb_addr(6'b1110_01),.sb_mask(6'b111111),
-		.sc_addr(6'b1110_10),.sc_mask(6'b111111),
-		.sd_addr(6'b1110_11),.sd_mask(6'b111111),
-		.se_addr(6'b1111_00),.se_mask(6'b111111),
-		.sf_addr(6'b1111_01),.sf_mask(6'b111111),
+   wb_1master #(.decode_w(8),
+		.s0_addr(8'b0000_0000),.s0_mask(8'b1100_0000),  // Main RAM (0-16K)
+		.s1_addr(8'b0100_0000),.s1_mask(8'b1111_0000),  // Packet Router (16-20K)
+ 		.s2_addr(8'b0101_0000),.s2_mask(8'b1111_1100),  // SPI
+		.s3_addr(8'b0101_0100),.s3_mask(8'b1111_1100),  // I2C
+		.s4_addr(8'b0101_1000),.s4_mask(8'b1111_1100),  // GPIO
+		.s5_addr(8'b0101_1100),.s5_mask(8'b1111_1100),  // Readback
+		.s6_addr(8'b0110_0000),.s6_mask(8'b1111_0000),  // Ethernet MAC
+		.s7_addr(8'b0111_0000),.s7_mask(8'b1111_0000),  // 20K-24K, Settings Bus (only uses 1K)
+		.s8_addr(8'b1000_0000),.s8_mask(8'b1111_1100),  // PIC
+		.s9_addr(8'b1000_0100),.s9_mask(8'b1111_1100),  // Unused
+		.sa_addr(8'b1000_1000),.sa_mask(8'b1111_1100),  // UART
+		.sb_addr(8'b1000_1100),.sb_mask(8'b1111_1100),  // ATR
+		.sc_addr(8'b1001_0000),.sc_mask(8'b1111_0000),  // Unused
+		.sd_addr(8'b1010_0000),.sd_mask(8'b1111_0000),  // SD Card access
+		.se_addr(8'b1011_0000),.se_mask(8'b1111_0000),  // Unused
+		.sf_addr(8'b1100_0000),.sf_mask(8'b1100_0000),  // Unused
 		.dw(dw),.aw(aw),.sw(sw)) wb_1master
      (.clk_i(wb_clk),.rst_i(wb_rst),       
       .m0_dat_o(m0_dat_o),.m0_ack_o(m0_ack),.m0_err_o(m0_err),.m0_rty_o(m0_rty),.m0_dat_i(m0_dat_i),
@@ -319,13 +323,12 @@ module u2_core
 	   .we_o(m0_we),.stb_o(m0_stb),.dat_o(m0_dat_i),.adr_o(m0_adr),
 	   .dat_i(m0_dat_o),.ack_i(m0_ack),.sel_o(m0_sel),.cyc_o(m0_cyc),
 	   // Interrupts and exceptions
-	   .stack_start(16'h3ff8), .zpu_status(zpu_status), .interrupt(proc_int & 1'b0));
+	   .zpu_status(zpu_status), .interrupt(proc_int & 1'b0));
    
    // /////////////////////////////////////////////////////////////////////////
    // Dual Ported RAM -- D-Port is Slave #0 on main Wishbone
    // I-port connects directly to processor and ram loader
 
-   wire 	 flush_icache;
    ram_harvard #(.AWIDTH(14),.RAM_SIZE(16384),.ICWIDTH(7),.DCWIDTH(6))
      sys_ram(.wb_clk_i(wb_clk),.wb_rst_i(wb_rst),
 	     
@@ -337,12 +340,8 @@ module u2_core
 	     .if_adr(16'b0), .if_data(),
 	     
 	     .dwb_adr_i(s0_adr[13:0]), .dwb_dat_i(s0_dat_o), .dwb_dat_o(s0_dat_i),
-	     .dwb_we_i(s0_we), .dwb_ack_o(s0_ack), .dwb_stb_i(s0_stb), .dwb_sel_i(s0_sel),
-	     .flush_icache(flush_icache));
+	     .dwb_we_i(s0_we), .dwb_ack_o(s0_ack), .dwb_stb_i(s0_stb), .dwb_sel_i(s0_sel));
    
-   setting_reg #(.my_addr(SR_MISC+7)) sr_icache (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr),
-					 .in(set_data),.out(),.changed(flush_icache));
-
    // /////////////////////////////////////////////////////////////////////////
    // Buffer Pool, slave #1
    wire 	 rd0_ready_i, rd0_ready_o;
@@ -417,7 +416,7 @@ module u2_core
    // Buffer Pool Status -- Slave #5   
    
    //compatibility number -> increment when the fpga has been sufficiently altered
-   localparam compat_num = 32'd5;
+   localparam compat_num = 32'd6;
 
    wb_readback_mux buff_pool_status
      (.wb_clk_i(wb_clk), .wb_rst_i(wb_rst), .wb_stb_i(s5_stb),
@@ -434,7 +433,7 @@ module u2_core
    // Ethernet MAC  Slave #6
 
    simple_gemac_wrapper #(.RXFIFOSIZE(ETH_RX_FIFOSIZE), 
-			  .TXFIFOSIZE(ETH_TX_FIFOSIZE)) simple_gemac_wrapper19
+			  .TXFIFOSIZE(ETH_TX_FIFOSIZE)) simple_gemac_wrapper
      (.clk125(clk_to_mac),  .reset(wb_rst),
       .GMII_GTX_CLK(GMII_GTX_CLK), .GMII_TX_EN(GMII_TX_EN),  
       .GMII_TX_ER(GMII_TX_ER), .GMII_TXD(GMII_TXD),
@@ -491,7 +490,7 @@ module u2_core
    setting_reg #(.my_addr(SR_MISC+3),.width(8)) sr_led (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr),
 				      .in(set_data),.out(led_sw),.changed());
 
-   setting_reg #(.my_addr(SR_MISC+8),.width(8), .at_reset(8'b0001_1110)) 
+   setting_reg #(.my_addr(SR_MISC+6),.width(8), .at_reset(8'b0001_1110)) 
    sr_led_src (.clk(wb_clk),.rst(wb_rst), .strobe(set_stb),.addr(set_addr), .in(set_data),.out(led_src),.changed());
 
    assign 	 leds = (led_src & led_hw) | (~led_src & led_sw);
diff --git a/usrp2/top/u2plus/bootloader.rmi b/usrp2/top/u2plus/bootloader.rmi
index a7d051630..a0a3e13c5 100644
--- a/usrp2/top/u2plus/bootloader.rmi
+++ b/usrp2/top/u2plus/bootloader.rmi
@@ -1,5 +1,5 @@
-defparam bootram.RAM0.INIT_00=256'h00000000_00000000_00000000_a4a20400_3a0b0b0b_0bae840c_82700b0b_0b0b0b0b;
-defparam bootram.RAM0.INIT_01=256'h00000000_00000000_00000000_800c0400_880c840c_0ba4df2d_88080b0b_80088408;
+defparam bootram.RAM0.INIT_00=256'h00000000_00000000_00000000_a4b10400_3a0b0b0b_0bae940c_82700b0b_0b0b0b0b;
+defparam bootram.RAM0.INIT_01=256'h00000000_00000000_00000000_800c0400_880c840c_0ba4ee2d_88080b0b_80088408;
 defparam bootram.RAM0.INIT_02=256'h00000000_00000000_04000000_ffff0652_832b2a83_81058205_72830609_71fd0608;
 defparam bootram.RAM0.INIT_03=256'h83a70400_0b0b0b0b_7383ffff_2b2b0906_05820583_83060981_83ffff73_71fd0608;
 defparam bootram.RAM0.INIT_04=256'h00000000_00000000_53510400_070a8106_73097306_09060906_72057373_72098105;
@@ -18,178 +18,178 @@ defparam bootram.RAM0.INIT_10=256'h00000000_00000000_00000000_00000000_00000000_
 defparam bootram.RAM0.INIT_11=256'h00000000_00000000_00000000_00000000_00000000_04000000_05055351_72720981;
 defparam bootram.RAM0.INIT_12=256'h00000000_00000000_00000000_00000000_00000000_07535104_73730906_72097206;
 defparam bootram.RAM0.INIT_13=256'h00000000_00000000_04000000_81ff0652_1010102a_81058305_72830609_71fc0608;
-defparam bootram.RAM0.INIT_14=256'h00000000_00000000_88a90400_060b0b0b_10100508_f0738306_0b0b0bad_71fc0608;
-defparam bootram.RAM0.INIT_15=256'h00000000_0c510400_0c840c80_80085688_992d5050_0b0b0b9e_88087575_80088408;
-defparam bootram.RAM0.INIT_16=256'h00000000_0c510400_0c840c80_80085688_cb2d5050_0b0b0b9f_88087575_80088408;
+defparam bootram.RAM0.INIT_14=256'h00000000_00000000_88a90400_060b0b0b_10100508_80738306_0b0b0bae_71fc0608;
+defparam bootram.RAM0.INIT_15=256'h00000000_0c510400_0c840c80_80085688_a82d5050_0b0b0b9e_88087575_80088408;
+defparam bootram.RAM0.INIT_16=256'h00000000_0c510400_0c840c80_80085688_da2d5050_0b0b0b9f_88087575_80088408;
 defparam bootram.RAM0.INIT_17=256'h04000000_07515151_05ff0506_73097274_70547106_8106ff05_0509060a_72097081;
 defparam bootram.RAM0.INIT_18=256'h51040000_06075151_7405ff05_06730972_05705471_098106ff_0509060a_72097081;
 defparam bootram.RAM0.INIT_19=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_05ff0504;
-defparam bootram.RAM0.INIT_1A=256'h00000000_00000000_00000000_00000000_00000000_51040000_0bae800c_810b0b0b;
+defparam bootram.RAM0.INIT_1A=256'h00000000_00000000_00000000_00000000_00000000_51040000_0bae900c_810b0b0b;
 defparam bootram.RAM0.INIT_1B=256'h00000000_00000000_00000000_00000000_00000000_00000000_04000000_71810552;
 defparam bootram.RAM0.INIT_1C=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
 defparam bootram.RAM0.INIT_1D=256'h00000000_00000000_00000000_00000000_00000000_04000000_10100552_02840572;
 defparam bootram.RAM0.INIT_1E=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
 defparam bootram.RAM0.INIT_1F=256'h00000000_00000000_00000000_00000000_00000000_020d0400_05715351_717105ff;
-defparam bootram.RAM0.INIT_20=256'h10101010_10101010_10101010_10101010_10101010_10101010_ff3f0410_81f33f9d;
+defparam bootram.RAM0.INIT_20=256'h10101010_10101010_10101010_10101010_10101010_10101010_8e3f0410_81f33f9e;
 defparam bootram.RAM0.INIT_21=256'h060c5151_2b0772fc_05101010_09810583_06738306_047381ff_10105351_10101010;
 defparam bootram.RAM0.INIT_22=256'h535104ae_ed385151_100a5372_1052720a_72060571_06ff0509_72807281_043c0472;
-defparam bootram.RAM0.INIT_23=256'hc00c8290_a0800bb5_b5bc0c82_0b0b0b0b_38838080_08822eb9_a138ae84_8008802e;
-defparam bootram.RAM0.INIT_24=256'h80808480_b5c00cf8_8082800b_bc0cf880_0b0b0bb5_8080a40b_0c04f880_800bb5c4;
-defparam bootram.RAM0.INIT_25=256'h0ba6b00b_c00c0b0b_80940bb5_0c80c0a8_0b0bb5bc_808c0b0b_0480c0a8_0bb5c40c;
-defparam bootram.RAM0.INIT_26=256'hae8c0c70_92388412_5270802e_08700852_a338ae8c_c8335170_ff3d0db5_b5c40c04;
-defparam bootram.RAM0.INIT_27=256'hb808802e_0b0b0bb5_04803d0d_833d0d04_0bb5c834_70f03881_70085252_2dae8c08;
-defparam bootram.RAM0.INIT_28=256'hf5e23f82_510b0b0b_0b0bb5b8_3d0d040b_06853882_802e0981_0b0b800b_8e380b0b;
-defparam bootram.RAM0.INIT_29=256'h518bb43f_d0055273_3fb23dfe_5254868c_59923d70_3dfee005_d03d0db2_3d0d0404;
-defparam bootram.RAM0.INIT_2A=256'h3d335473_519e3986_b43fa6b4_52735198_38765378_ff74278f_775481ff_8008b238;
-defparam bootram.RAM0.INIT_2B=256'hb039fc3d_858a3fff_39a6ec51_a6b85184_3f91c23f_b4518598_068f38a6_812e0981;
-defparam bootram.RAM0.INIT_2C=256'h3fa6f051_e03f86d6_85e13f8e_81a08c0c_fc3f800b_80e45189_81a08c0c_0d81ff0b;
-defparam bootram.RAM0.INIT_2D=256'h51547380_70810651_08708d2a_3f81c6b4_805182ed_81ff0655_ee3f8008_84e23f83;
-defparam bootram.RAM0.INIT_2E=256'h80805380_82c33f82_a6388151_8008802e_5190b53f_81fc8080_5184bd3f_c338a79c;
-defparam bootram.RAM0.INIT_2F=256'hf8518484_3f8a39a7_73519191_5184913f_c43fa7bc_8eaa3f90_fc808051_ffff5281;
-defparam bootram.RAM0.INIT_30=256'h5183e53f_9938a8fc_8008802e_518fa03f_3fb0800a_d05183f8_74b238a8_3ffea13f;
-defparam bootram.RAM0.INIT_31=256'h8fc63f80_98800a51_5183cd3f_d83fa9b4_800a5190_88df3fb0_3f82ac51_815181f9;
-defparam bootram.RAM0.INIT_32=256'h5183a53f_bb3faab0_800a518d_ffff5298_80805380_83ba3f82_38aa8451_08802eaa;
-defparam bootram.RAM0.INIT_33=256'h80085480_518f893f_81fc8080_5183913f_ba39ab90_3faad451_a43f8fc9_82ac5188;
-defparam bootram.RAM0.INIT_34=256'hac5187e9_82ea3f82_3faab051_80518d80_5281fc80_5380ffff_38828080_08802eb5;
-defparam bootram.RAM0.INIT_35=256'h82c63ffc_39a7f851_3f81548a_80518fd5_5187da3f_db3f82ac_a7bc5182_3f8f8e3f;
+defparam bootram.RAM0.INIT_23=256'hd00c8290_a0800bb5_b5cc0c82_0b0b0b0b_38838080_08822eb9_a138ae94_9008802e;
+defparam bootram.RAM0.INIT_24=256'h80808480_b5d00cf8_8082800b_cc0cf880_0b0b0bb5_8080a40b_0c04f880_800bb5d4;
+defparam bootram.RAM0.INIT_25=256'h0ba6c00b_d00c0b0b_80940bb5_0c80c0a8_0b0bb5cc_808c0b0b_0480c0a8_0bb5d40c;
+defparam bootram.RAM0.INIT_26=256'hae9c0c70_92388412_5270802e_08700852_a338ae9c_d8335170_ff3d0db5_b5d40c04;
+defparam bootram.RAM0.INIT_27=256'hc808802e_0b0b0bb5_04803d0d_833d0d04_0bb5d834_70f03881_70085252_2dae9c08;
+defparam bootram.RAM0.INIT_28=256'hf5e23f82_510b0b0b_0b0bb5c8_3d0d040b_06853882_802e0981_0b0b800b_8e380b0b;
+defparam bootram.RAM0.INIT_29=256'h518bc33f_d0055273_3fb23dfe_5254868c_59923d70_3dfee005_d03d0db2_3d0d0404;
+defparam bootram.RAM0.INIT_2A=256'h3d335473_519e3986_c33fa6c4_52735198_38765378_ff74278f_775482ff_8008b238;
+defparam bootram.RAM0.INIT_2B=256'hb039fc3d_858a3fff_39a6fc51_a6c85184_3f91d13f_c4518598_068f38a6_812e0981;
+defparam bootram.RAM0.INIT_2C=256'h3fa78051_ef3f86e5_85e63f8e_81e08c0c_8b3f800b_80e4518a_81e08c0c_0d81ff0b;
+defparam bootram.RAM0.INIT_2D=256'h51547380_70810651_08708d2a_3f81b8b4_805182ed_81ff0655_ee3f8008_84e23f83;
+defparam bootram.RAM0.INIT_2E=256'h80805380_82c33f83_a6388151_8008802e_5190c43f_81fc8080_5184bd3f_c338a7ac;
+defparam bootram.RAM0.INIT_2F=256'h88518484_3f8a39a8_735191a0_5184913f_d33fa7cc_8eb93f90_fc808051_ffff5281;
+defparam bootram.RAM0.INIT_30=256'h5183e53f_9938a98c_8008802e_518faf3f_3fb0800a_e05183f8_74b238a8_3ffea13f;
+defparam bootram.RAM0.INIT_31=256'h8fd53f80_98800a51_5183cd3f_e73fa9c4_800a5190_88ee3fb0_3f82ac51_815181f9;
+defparam bootram.RAM0.INIT_32=256'h5183a53f_ca3faac0_800a518d_ffff5298_80805380_83ba3f83_38aa9451_08802eaa;
+defparam bootram.RAM0.INIT_33=256'h80085480_518f983f_81fc8080_5183913f_ba39aba0_3faae451_b33f8fd8_82ac5188;
+defparam bootram.RAM0.INIT_34=256'hac5187f8_82ea3f82_3faac051_80518d8f_5281fc80_5380ffff_38838080_08802eb5;
+defparam bootram.RAM0.INIT_35=256'h82c63ffc_39a88851_3f81548a_80518fe4_5187e93f_db3f82ac_a7cc5182_3f8f9d3f;
 defparam bootram.RAM0.INIT_36=256'hb7387581_54807425_74ff1656_5a575758_7a7c7f7f_04f83d0d_0c863d0d_e33f7380;
 defparam bootram.RAM0.INIT_37=256'hff065185_05527781_538a3dfc_a1053482_33028405_70810558_8a3d3476_17575473;
-defparam bootram.RAM0.INIT_38=256'h04fa3d0d_0c8a3d0d_81547380_8538c139_3f73802e_8a5186fd_81ff0654_cf3f8008;
+defparam bootram.RAM0.INIT_38=256'h04fa3d0d_0c8a3d0d_81547380_8538c139_3f73802e_8a51878c_81ff0654_de3f8008;
 defparam bootram.RAM0.INIT_39=256'hd051ff89_81f75280_3dfc0553_34815488_5675883d_748338dc_5580de56_02a30533;
 defparam bootram.RAM0.INIT_3A=256'h70525684_02a70533_3dfc0552_34815389_0533893d_7c5702ab_04f93d0d_3f883d0d;
-defparam bootram.RAM0.INIT_3B=256'h3f800881_755183b2_76537b52_77259738_2e9e3880_56547380_81ff0670_ef3f8008;
+defparam bootram.RAM0.INIT_3B=256'h3f800881_755183c1_76537b52_77259738_2e9e3880_56547380_81ff0670_fe3f8008;
 defparam bootram.RAM0.INIT_3C=256'h5381f752_883dfc05_3d0d8154_3d0d04fa_74800c89_83388155_5473802e_ff067056;
 defparam bootram.RAM0.INIT_3D=256'h3d0d04fb_75800c88_83388156_2e098106_567480de_883d3356_a03f800b_80d051ff;
-defparam bootram.RAM0.INIT_3E=256'h5581bb3f_06537652_157481ff_2e903881_54547280_7081ff06_56567433_3d0d7779;
-defparam bootram.RAM0.INIT_3F=256'h800b800c_51819f3f_3f8a5272_705253cb_0d747653_0d04fe3d_800c873d_e539800b;
+defparam bootram.RAM0.INIT_3E=256'h5581c03f_06537652_157481ff_2e903881_54547280_7081ff06_56567433_3d0d7779;
+defparam bootram.RAM0.INIT_3F=256'h800b800c_5181a43f_3f8a5272_705253cb_0d747653_0d04fe3d_800c873d_e539800b;
 defparam bootram.RAM1.INIT_00=256'h81135374_55558439_76787055_04fc3d0d_3f833d0d_528051de_ff3d0d73_843d0d04;
-defparam bootram.RAM1.INIT_01=256'h863d0d04_3473800c_e7388073_2e098106_0652718a_800881ff_80087334_5181b23f;
-defparam bootram.RAM1.INIT_02=256'h0d04ff3d_1234823d_0533ae90_7251028f_04803d0d_3f833d0d_528051c9_ff3d0d73;
-defparam bootram.RAM1.INIT_03=256'hae901333_3d0d8053_3d0d04fe_0c535183_05702272_7510abcc_81ce8005_0d73a029;
-defparam bootram.RAM1.INIT_04=256'h0d767856_0d04fc3d_e738843d_53827325_d13f8113_33527251_3fae9413_527251c9;
-defparam bootram.RAM1.INIT_05=256'h73a02981_7351df3f_87388d52_2e098106_33537281_38ae9014_09810694_54748a2e;
-defparam bootram.RAM1.INIT_06=256'hce800552_73a02981_04ff3d0d_0c863d0d_38748c15_72802ef8_84140853_ce800554;
-defparam bootram.RAM1.INIT_07=256'hc6a40870_c2880c81_0d800b81_0d04ff3d_800c833d_38901208_70802ef8_88120851;
-defparam bootram.RAM1.INIT_08=256'h2a81c284_800c7088_ff0681c2_70227081_10ae9805_38845170_84712583_8f065151;
-defparam bootram.RAM1.INIT_09=256'h81517180_33555354_88059705_0d767802_0d04fd3d_880c833d_800b81c2_0c515181;
-defparam bootram.RAM1.INIT_0A=256'h81900b81_81c28c0c_72108107_5170f138_81065151_70862a70_81c29008_2e818638;
-defparam bootram.RAM1.INIT_0B=256'h06708132_872a7081_c2900870_70f13881_06515151_812a7081_c2900870_c2900c81;
-defparam bootram.RAM1.INIT_0C=256'h0c81c290_7081c290_8338a051_5171812e_b13880e8_3871802e_70802eba_51515151;
-defparam bootram.RAM1.INIT_0D=256'hcc398151_34ff1252_70810556_08517074_3881c28c_515170f1_70810651_0870812a;
-defparam bootram.RAM1.INIT_0E=256'h535481c2_97053355_78028805_fd3d0d76_853d0d04_0c70800c_0b81c290_883980c0;
-defparam bootram.RAM1.INIT_0F=256'h81905170_802e8438_81d05171_81c28c0c_f1387210_51515170_2a708106_90087086;
-defparam bootram.RAM1.INIT_10=256'h81067081_70872a70_81c29008_5170f138_81065151_70812a70_81c29008_81c2900c;
-defparam bootram.RAM1.INIT_11=256'h2e833890_d0517181_c28c0c80_38733381_802e80c5_80cf3871_5170802e_32515151;
-defparam bootram.RAM1.INIT_12=256'h2a708106_90087087_f13881c2_51515170_2a708106_90087081_900c81c2_517081c2;
-defparam bootram.RAM1.INIT_13=256'h81c2900c_3980c00b_3981518a_5354ffb7_8114ff13_802e8e38_51515170_70813251;
-defparam bootram.RAM1.INIT_14=256'h52717425_70a23870_06515254_0870810a_7581c6a4_04fd3d0d_0c853d0d_80517080;
-defparam bootram.RAM1.INIT_15=256'h853d0d04_1252e239_27f13881_868d9f71_74315151_c6ac0870_ac085381_9b3881c6;
-defparam bootram.RAM1.INIT_16=256'h06515171_127081ff_269638c9_527180da_ff065152_a9117081_8f0533ff_ff3d0d02;
-defparam bootram.RAM1.INIT_17=256'h335358ff_58568076_3d0d797b_3d0d04f9_70800c83_ff065151_d0127081_b9268938;
-defparam bootram.RAM1.INIT_18=256'h06721970_147081ff_aa387281_5371782e_81173353_ef38810b_09810682_5371ba2e;
-defparam bootram.RAM1.INIT_19=256'h71d83881_70335152_bd387216_71802e82_53515452_06515151_337080c4_33abdd11;
-defparam bootram.RAM1.INIT_1A=256'h7084190c_ff067205_3f800881_5252feec_06821733_842b9ff0_fb3f8008_163351fe;
-defparam bootram.RAM1.INIT_1B=256'h80068417_8c2bbfe0_cb3f8008_163351fe_828a3883_54fd5374_11335753_7010178b;
-defparam bootram.RAM1.INIT_1C=256'h9ff00673_8008842b_53fea93f_85173352_80067305_882b83fe_bb3f8008_335253fe;
-defparam bootram.RAM1.INIT_1D=256'h842b9ff0_873f8008_163351fe_88180c87_ff067305_3f800881_5253fe98_05861733;
-defparam bootram.RAM1.INIT_1E=256'hff068c19_89057081_d2387410_74742780_52717734_3f800812_5252fdf8_06881733;
-defparam bootram.RAM1.INIT_1F=256'h53fdc13f_06723352_842b9ff0_cf3f8008_565152fd_52335552_70708105_08177119;
-defparam bootram.RAM1.INIT_20=256'h51515284_065a525b_197081ff_81ff0681_33701a70_17081570_7274348c_80081353;
-defparam bootram.RAM1.INIT_21=256'h81ff0673_19703070_05547305_0571882a_08783372_17088818_ffb03884_17087526;
-defparam bootram.RAM1.INIT_22=256'h3f800812_5252fce4_068a1533_842b9ff0_f33f8008_515354fc_3356545b_101a8911;
-defparam bootram.RAM1.INIT_23=256'h3d0d0480_72800c89_83398053_8539fe53_81068938_77722e09_5152fb53_7081ff06;
-defparam bootram.RAM1.INIT_24=256'h337880ff_0d029305_0d04fe3d_f138823d_51515170_2a708106_90087088_3d0d81d6;
-defparam bootram.RAM1.INIT_25=256'h7681d680_5170f138_81065151_70882a70_81d69008_80075353_060780c0_067a8c80;
-defparam bootram.RAM1.INIT_26=256'h3881d690_72802e96_900c7251_800781d6_980c7182_ff0681d6_900c7581_0c7181d6;
-defparam bootram.RAM1.INIT_27=256'h810b81d6_04fc3d0d_0c843d0d_08517080_3881d680_515170f1_70810651_0870882a;
-defparam bootram.RAM1.INIT_28=256'h800b81d6_56fee43f_f63d0d7d_863d0d04_51ff873f_53805280_55885480_940c8880;
-defparam bootram.RAM1.INIT_29=256'h88a80b81_81d6980c_800c810b_882b81d6_d6840c7c_0c8b0b81_0b81d690_980c8880;
-defparam bootram.RAM1.INIT_2A=256'h900c8a80_800b81d6_80d33888_54737627_3f7e5580_900cfeb3_a80b81d6_d6900c8a;
-defparam bootram.RAM1.INIT_2B=256'h883d7675_d680085b_84085a81_085981d6_5881d688_81d68c08_0cfe983f_0b81d690;
-defparam bootram.RAM1.INIT_2C=256'h57348112_75708105_17517033_27913871_80527173_83387053_53707327_31525790;
-defparam bootram.RAM1.INIT_2D=256'hc0526851_70545780_3d0d883d_3d0d04ea_d6980c8c_39800b81_1454ffa9_52ec3972;
-defparam bootram.RAM1.INIT_2E=256'h81069438_81aa2e09_2e9d3873_547381ff_17703351_05575574_0284059d_fed23f80;
-defparam bootram.RAM1.INIT_2F=256'h5473800c_27d13880_1555be75_548b3981_06853881_992e0981_51547381_74167033;
-defparam bootram.RAM1.INIT_30=256'h85f73f80_d8527351_558453ab_fe823f80_84527951_3d705454_f93d0d86_983d0d04;
-defparam bootram.RAM1.INIT_31=256'h97053370_fd3d0d02_a0940c04_04810b81_0c893d0d_81557480_81068338_08752e09;
-defparam bootram.RAM1.INIT_32=256'h2ba00671_90067483_07077310_88067173_0672812a_71832a84_71872a07_852a8206;
-defparam bootram.RAM1.INIT_33=256'h51525351_81d4800c_7081ff06_78872b07_06707207_852b80c0_81ff0676_73070770;
-defparam bootram.RAM1.INIT_34=256'hff51ff98_ff9e3f81_5381ff51_81d00a07_74d00a06_04fe3d0d_52853d0d_55525555;
-defparam bootram.RAM1.INIT_35=256'h81ff0652_72882a70_51ff813f_873f80e1_3fb251ff_9951ff8c_ff923f81_3f81aa51;
-defparam bootram.RAM1.INIT_36=256'hdb3f7290_982a51fe_fee23f72_3f818151_b251fee8_51feed3f_7281ff06_52fef53f;
-defparam bootram.RAM1.INIT_37=256'hfeba3fa0_bf3f8e51_3f8051fe_a151fec4_feca3f81_cf3fb051_065253fe_2a7081ff;
-defparam bootram.RAM1.INIT_38=256'h8c0cf93d_398c0802_3d0d04ff_fea63f84_ab3f8051_3fa051fe_8051feb0_51feb53f;
-defparam bootram.RAM1.INIT_39=256'h800b8c08_0888050c_0508308c_388c0888_088025ab_8c088805_08fc050c_0d800b8c;
-defparam bootram.RAM1.INIT_3A=256'h088c0508_fc050c8c_05088c08_0c8c08f4_8c08f405_8838810b_08fc0508_f4050c8c;
-defparam bootram.RAM1.INIT_3B=256'h38810b8c_fc050888_050c8c08_0b8c08f0_8c050c80_08308c08_8c088c05_8025ab38;
-defparam bootram.RAM1.INIT_3C=256'h81a73f80_88050851_08528c08_8c088c05_050c8053_088c08fc_8c08f005_08f0050c;
-defparam bootram.RAM1.INIT_3D=256'h8c08f805_08f8050c_0508308c_388c08f8_08802e8c_8c08fc05_f8050c54_08708c08;
-defparam bootram.RAM1.INIT_3E=256'h88050880_050c8c08_0b8c08fc_fb3d0d80_08028c0c_8c0c048c_54893d0d_0870800c;
-defparam bootram.RAM1.INIT_3F=256'h8c388c08_05088025_0c8c088c_8c08fc05_050c810b_308c0888_08880508_2593388c;
-defparam bootram.RAM2.INIT_00=256'h8c08f805_3f800870_050851ad_528c0888_088c0508_0c81538c_8c088c05_8c050830;
-defparam bootram.RAM2.INIT_01=256'h800c5487_f8050870_050c8c08_308c08f8_08f80508_2e8c388c_fc050880_0c548c08;
-defparam bootram.RAM2.INIT_02=256'h088c0508_f8050c8c_800b8c08_08fc050c_0d810b8c_8c0cfd3d_048c0802_3d0d8c0c;
-defparam bootram.RAM2.INIT_03=256'h088c0508_2499388c_088c0508_38800b8c_08802ea3_8c08fc05_0827ac38_8c088805;
-defparam bootram.RAM2.INIT_04=256'h388c088c_802e80c9_08fc0508_0cc9398c_8c08fc05_fc050810_050c8c08_108c088c;
-defparam bootram.RAM2.INIT_05=256'hf805088c_050c8c08_318c0888_088c0508_8805088c_a1388c08_88050826_05088c08;
-defparam bootram.RAM2.INIT_06=256'h2a8c088c_8c050881_050c8c08_2a8c08fc_fc050881_050c8c08_078c08f8_08fc0508;
-defparam bootram.RAM2.INIT_07=256'h8c08f805_0c518d39_8c08f405_88050870_8f388c08_0508802e_398c0890_050cffaf;
-defparam bootram.RAM2.INIT_08=256'h56528372_78777956_04fc3d0d_3d0d8c0c_08800c85_8c08f405_f4050c51_08708c08;
-defparam bootram.RAM2.INIT_09=256'h72712e09_74335253_a0387433_5271ff2e_b038ff12_5170802e_74078306_278c3874;
-defparam bootram.RAM2.INIT_0A=256'h04747454_0c863d0d_38800b80_098106e2_5571ff2e_ff145455_81158115_8106bd38;
-defparam bootram.RAM2.INIT_0B=256'h55ffaf39_38707355_718326e9_14545451_118414fc_068f3884_082e0981_51700873;
-defparam bootram.RAM2.INIT_0C=256'h83065170_38727507_8f72278c_55555555_7670797b_04fc3d0d_0c863d0d_72713180;
-defparam bootram.RAM2.INIT_0D=256'hff2e0981_ff125271_81055634_54337470_72708105_ff2e9838_ff125271_802ea738;
-defparam bootram.RAM2.INIT_0E=256'h54087170_72708405_8405530c_54087170_72708405_0d047451_800c863d_06ea3874;
-defparam bootram.RAM2.INIT_0F=256'hf0125271_8405530c_54087170_72708405_8405530c_54087170_72708405_8405530c;
-defparam bootram.RAM2.INIT_10=256'h387054ff_718326ed_0cfc1252_70840553_05540871_38727084_83722795_8f26c938;
-defparam bootram.RAM2.INIT_11=256'ha4528151_e3c63fae_0ce4a83f_3873b5cc_72812e98_84085454_0d800bae_8339fd3d;
-defparam bootram.RAM2.INIT_12=256'h51843f00_a53f8008_528151e6_af3faea4_e4913fe3_72b5cc0c_08519b3f_e6bc3f80;
-defparam bootram.RAM2.INIT_13=256'hff058171_18841908_d9388188_77802e80_085a545a_0882c811_0d7baea8_ff39f73d;
-defparam bootram.RAM2.INIT_14=256'h77065372_81801908_88055656_822b7811_24b53873_e9388074_80742480_2b595559;
-defparam bootram.RAM2.INIT_15=256'h57547380_812c5a57_17fc1779_2dff14fc_74085372_53537951_78167008_802eb538;
-defparam bootram.RAM2.INIT_16=256'h2dff14fc_74085372_51f8c03f_08a53879_0853bc13_ad38aea8_085877ff_25d63877;
-defparam bootram.RAM2.INIT_17=256'h53722d79_51bc1308_ff943972_d2398057_25ffa938_57547380_812c5a57_17fc1779;
-defparam bootram.RAM2.INIT_18=256'h5270ff2e_12700852_38702dfc_70ff2e91_70085252_ac0bfc05_ff3d0db5_51f8943f;
-defparam bootram.RAM2.INIT_19=256'h523a206d_4552524f_4f4b0000_00000040_3f040000_0404e398_38833d0d_098106f1;
-defparam bootram.RAM2.INIT_1A=256'h49484558_20696e20_4261636b_65642120_7475726e_65207265_696d6167_61696e20;
-defparam bootram.RAM2.INIT_1B=256'h6f616465_6f6f746c_322b2062_55535250_4e4f4b00_64652e00_64206d6f_206c6f61;
-defparam bootram.RAM2.INIT_1C=256'h53746172_6e0a0000_6974696f_55206564_61205a50_756c7472_70657220_72207375;
-defparam bootram.RAM2.INIT_1D=256'h4552524f_2e000000_6d6f6465_61666520_696e2073_50322b20_20555352_74696e67;
-defparam bootram.RAM2.INIT_1E=256'h20546869_72616d21_70726f67_61696e20_6f6d206d_6e206672_65747572_523a2072;
-defparam bootram.RAM2.INIT_1F=256'h523a206e_4552524f_6e210000_61707065_65722068_206e6576_6f756c64_73207368;
-defparam bootram.RAM2.INIT_20=256'h626c652e_61696c61_65206176_696d6167_61726520_69726d77_66652066_6f207361;
-defparam bootram.RAM2.INIT_21=256'h6c6f6164_20746f20_66726565_65656c20_6b2e2046_62726963_6d206120_20492061;
-defparam bootram.RAM2.INIT_22=256'h2076616c_20666f72_6b696e67_43686563_2e000000_2052414d_5820746f_20494845;
-defparam bootram.RAM2.INIT_23=256'h56616c69_2e2e2e00_6d616765_47412069_6e204650_6374696f_726f6475_69642070;
-defparam bootram.RAM2.INIT_24=256'h642e2041_666f756e_61676520_4120696d_20465047_74696f6e_6f647563_64207072;
-defparam bootram.RAM2.INIT_25=256'h2070726f_616c6964_4e6f2076_742e0000_20626f6f_6720746f_7074696e_7474656d;
-defparam bootram.RAM2.INIT_26=256'h74656d70_2e0a4174_6f756e64_67652066_20696d61_46504741_696f6e20_64756374;
-defparam bootram.RAM2.INIT_27=256'h77617265_6669726d_696f6e20_64756374_2070726f_6c6f6164_20746f20_74696e67;
-defparam bootram.RAM2.INIT_28=256'h6520666f_6d776172_20666972_74696f6e_6f647563_64207072_56616c69_2e2e2e00;
-defparam bootram.RAM2.INIT_29=256'h64696e67_206c6f61_73686564_46696e69_2e2e2e00_64696e67_204c6f61_756e642e;
-defparam bootram.RAM2.INIT_2A=256'h65747572_523a2052_4552524f_2e000000_6d616765_6e672069_61727469_2e205374;
-defparam bootram.RAM2.INIT_2B=256'h6f756c64_73207368_20546869_72616d21_70726f67_61696e20_6f6d206d_6e206672;
-defparam bootram.RAM2.INIT_2C=256'h64756374_2070726f_616c6964_4e6f2076_6e210000_61707065_65722068_206e6576;
-defparam bootram.RAM2.INIT_2D=256'h61666520_6e672073_54727969_6e642e20_20666f75_77617265_6669726d_696f6e20;
-defparam bootram.RAM2.INIT_2E=256'h00202020_0b0b0b0b_01b200d9_05160364_14580a2c_2e2e2e00_77617265_6669726d;
-defparam bootram.RAM2.INIT_2F=256'h20881010_20202020_20202020_20202020_20202020_28282820_20202828_20202020;
-defparam bootram.RAM2.INIT_30=256'h10104141_10101010_04040410_04040404_10040404_10101010_10101010_10101010;
-defparam bootram.RAM2.INIT_31=256'h10104242_10101010_01010101_01010101_01010101_01010101_01010101_41414141;
-defparam bootram.RAM2.INIT_32=256'h20000000_10101010_02020202_02020202_02020202_02020202_02020202_42424242;
-defparam bootram.RAM2.INIT_33=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM1.INIT_01=256'h863d0d04_3473800c_e7388073_2e098106_0652718a_800881ff_80087334_5181bc3f;
+defparam bootram.RAM1.INIT_02=256'h0d04ff3d_1234823d_0533aea0_7251028f_04803d0d_3f833d0d_528051c9_ff3d0d73;
+defparam bootram.RAM1.INIT_03=256'hfe3d0d80_833d0d04_0c545151_05702272_7610abdc_82908005_14708429_0d738429;
+defparam bootram.RAM1.INIT_04=256'h3d0d04fc_25e73884_13538273_51cc3f81_13335272_c43faea4_33527251_53aea013;
+defparam bootram.RAM1.INIT_05=256'h527351df_0687388d_812e0981_14335372_9438aea0_2e098106_5654748a_3d0d7678;
+defparam bootram.RAM1.INIT_06=256'h3d0d04ff_8c150c86_2ef83874_08537280_55538414_82908005_14708429_3f738429;
+defparam bootram.RAM1.INIT_07=256'h0c833d0d_90120880_802ef838_12085170_05535188_29829080_29147084_3d0d7384;
+defparam bootram.RAM1.INIT_08=256'haea80570_84517010_71258338_06515184_a408708f_880c81b8_800b81a8_04ff3d0d;
+defparam bootram.RAM1.INIT_09=256'h04fd3d0d_0c833d0d_0b81a888_51518180_81a8840c_0c70882a_0681a880_227081ff;
+defparam bootram.RAM1.INIT_0A=256'h06515151_862a7081_a8900870_81863881_5171802e_55535481_05970533_76780288;
+defparam bootram.RAM1.INIT_0B=256'h51515170_2a708106_90087081_900c81a8_900b81a8_a88c0c81_10810781_70f13872;
+defparam bootram.RAM1.INIT_0C=256'h3880e851_71802eb1_802eba38_51515170_70813251_2a708106_90087087_f13881a8;
+defparam bootram.RAM1.INIT_0D=256'h81a88c08_5170f138_81065151_70812a70_81a89008_81a8900c_38a05170_71812e83;
+defparam bootram.RAM1.INIT_0E=256'h3d0d04fd_70800c85_81a8900c_3980c00b_39815188_ff1252cc_81055634_51707470;
+defparam bootram.RAM1.INIT_0F=256'h38721081_515170f1_70810651_0870862a_5481a890_05335553_02880597_3d0d7678;
+defparam bootram.RAM1.INIT_10=256'h06515151_812a7081_a8900870_a8900c81_90517081_2e843881_d0517180_a88c0c81;
+defparam bootram.RAM1.INIT_11=256'h2e80c538_cf387180_70802e80_51515151_06708132_872a7081_a8900870_70f13881;
+defparam bootram.RAM1.INIT_12=256'h70810651_0870812a_0c81a890_7081a890_83389051_5171812e_8c0c80d0_733381a8;
+defparam bootram.RAM1.INIT_13=256'h14ff1353_2e8e3881_51517080_81325151_70810670_0870872a_3881a890_515170f1;
+defparam bootram.RAM1.INIT_14=256'h81b8a408_fd3d0d75_853d0d04_5170800c_a8900c80_80c00b81_81518a39_54ffb739;
+defparam bootram.RAM1.INIT_15=256'h31515186_ac087074_085381b8_3881b8ac_7174259b_a2387052_51525470_70810a06;
+defparam bootram.RAM1.INIT_16=256'h06515252_117081ff_0533ffa9_3d0d028f_3d0d04ff_52e23985_f1388112_8d9f7127;
+defparam bootram.RAM1.INIT_17=256'h800c833d_06515170_127081ff_268938d0_515171b9_7081ff06_9638c912_7180da26;
+defparam bootram.RAM1.INIT_18=256'h17335353_38810b81_810682ef_71ba2e09_5358ff53_56807633_0d797b58_0d04f93d;
+defparam bootram.RAM1.INIT_19=256'h51545271_51515153_7080c406_abed1133_72197033_7081ff06_38728114_71782eaa;
+defparam bootram.RAM1.INIT_1A=256'h82173352_2b9ff006_3f800884_3351fefb_d8388116_33515271_38721670_802e82bd;
+defparam bootram.RAM1.INIT_1B=256'h8a388316_fd537482_33575354_10178b11_84190c70_06720570_800881ff_52feec3f;
+defparam bootram.RAM1.INIT_1C=256'h06730585_2b83fe80_3f800888_5253febb_06841733_2bbfe080_3f80088c_3351fecb;
+defparam bootram.RAM1.INIT_1D=256'h06730588_800881ff_53fe983f_86173352_f0067305_08842b9f_fea93f80_17335253;
+defparam bootram.RAM1.INIT_1E=256'h71773474_80081252_52fdf83f_88173352_2b9ff006_3f800884_3351fe87_180c8716;
+defparam bootram.RAM1.INIT_1F=256'h5152fdcf_33555256_70810552_17711970_068c1908_057081ff_38741089_742780d2;
+defparam bootram.RAM1.INIT_20=256'h701a7081_08157033_74348c17_08135372_fdc13f80_72335253_2b9ff006_3f800884;
+defparam bootram.RAM1.INIT_21=256'h78337205_08881808_b0388417_087526ff_51528417_5a525b51_7081ff06_ff068119;
+defparam bootram.RAM1.INIT_22=256'h3f800884_5354fcf3_56545b51_1a891133_ff067310_70307081_54730519_71882a05;
+defparam bootram.RAM1.INIT_23=256'h06893885_722e0981_52fb5377_81ff0651_80081270_52fce43f_8a153352_2b9ff006;
+defparam bootram.RAM1.INIT_24=256'h515170f1_70810651_0870882a_0d82e090_0d04803d_800c893d_39805372_39fe5383;
+defparam bootram.RAM1.INIT_25=256'he0900870_07535382_0780c080_7a8c8006_7880ff06_02930533_04fe3d0d_38823d0d;
+defparam bootram.RAM1.INIT_26=256'h0c718280_0682e098_0c7581ff_7182e090_82e0800c_70f13876_06515151_882a7081;
+defparam bootram.RAM1.INIT_27=256'h82e08008_5170f138_81065151_70882a70_82e09008_802e9638_0c725172_0782e090;
+defparam bootram.RAM1.INIT_28=256'hff873f86_80528051_88548053_0c888055_0b82e094_fc3d0d81_843d0d04_5170800c;
+defparam bootram.RAM1.INIT_29=256'h840c7c88_8b0b82e0_82e0900c_0c88800b_0b82e098_fee43f80_3d0d7d56_3d0d04f6;
+defparam bootram.RAM1.INIT_2A=256'h7e558054_0cfeb33f_0b82e090_900c8aa8_a80b82e0_e0980c88_0c810b82_2b82e080;
+defparam bootram.RAM1.INIT_2B=256'h82e08808_e08c0858_fe983f82_82e0900c_0c8a800b_0b82e090_d3388880_73762780;
+defparam bootram.RAM1.INIT_2C=256'h52717327_38705380_70732783_52579053_3d767531_80085b88_085a82e0_5982e084;
+defparam bootram.RAM1.INIT_2D=256'h980c8c3d_800b82e0_54ffa939_ec397214_34811252_70810557_51703375_91387117;
+defparam bootram.RAM1.INIT_2E=256'h70335154_57557417_84059d05_d23f8002_526851fe_545780c0_0d883d70_0d04ea3d;
+defparam bootram.RAM1.INIT_2F=256'h85388154_2e098106_54738199_16703351_06943874_aa2e0981_9d387381_7381ff2e;
+defparam bootram.RAM1.INIT_30=256'h527951fe_70545484_3d0d863d_3d0d04f9_73800c98_d1388054_55be7527_8b398115;
+defparam bootram.RAM1.INIT_31=256'h893d0d04_5574800c_06833881_752e0981_f73f8008_52735185_8453abe8_823f8055;
+defparam bootram.RAM1.INIT_32=256'h72812a88_832a8406_872a0771_2a820671_05337085_3d0d0297_940c04fd_810b81e0;
+defparam bootram.RAM1.INIT_33=256'h70720778_2b80c006_ff067685_07077081_a0067173_0674832b_07731090_06717307;
+defparam bootram.RAM1.INIT_34=256'hd00a0681_fe3d0d74_853d0d04_52555552_52535155_c0800c51_81ff0682_872b0770;
+defparam bootram.RAM1.INIT_35=256'hb251ff87_51ff8c3f_923f8199_81aa51ff_51ff983f_9e3f81ff_81ff51ff_d00a0753;
+defparam bootram.RAM1.INIT_36=256'h51fee83f_feed3fb2_81ff0651_fef53f72_ff065252_882a7081_ff813f72_3f80e151;
+defparam bootram.RAM1.INIT_37=256'hca3f81a1_3fb051fe_5253fecf_7081ff06_3f72902a_2a51fedb_e23f7298_818151fe;
+defparam bootram.RAM1.INIT_38=256'h3f8051fe_a051feab_51feb03f_feb53f80_ba3fa051_3f8e51fe_8051febf_51fec43f;
+defparam bootram.RAM1.INIT_39=256'h8025ab38_08880508_fc050c8c_800b8c08_0cf93d0d_8c08028c_0d04ff39_a63f843d;
+defparam bootram.RAM1.INIT_3A=256'h08f4050c_38810b8c_fc050888_050c8c08_0b8c08f4_88050c80_08308c08_8c088805;
+defparam bootram.RAM1.INIT_3B=256'h050c800b_308c088c_088c0508_25ab388c_8c050880_050c8c08_088c08fc_8c08f405;
+defparam bootram.RAM1.INIT_3C=256'h0c80538c_8c08fc05_08f00508_f0050c8c_810b8c08_05088838_0c8c08fc_8c08f005;
+defparam bootram.RAM1.INIT_3D=256'h802e8c38_08fc0508_050c548c_708c08f8_a73f8008_05085181_528c0888_088c0508;
+defparam bootram.RAM1.INIT_3E=256'h028c0cfb_0c048c08_893d0d8c_70800c54_08f80508_f8050c8c_08308c08_8c08f805;
+defparam bootram.RAM1.INIT_3F=256'h0c810b8c_8c088805_88050830_93388c08_05088025_0c8c0888_8c08fc05_3d0d800b;
+defparam bootram.RAM2.INIT_00=256'h8c050852_81538c08_088c050c_0508308c_388c088c_0880258c_8c088c05_08fc050c;
+defparam bootram.RAM2.INIT_01=256'hf8050830_8c388c08_0508802e_548c08fc_08f8050c_8008708c_0851ad3f_8c088805;
+defparam bootram.RAM2.INIT_02=256'h810b8c08_0cfd3d0d_8c08028c_0d8c0c04_0c54873d_05087080_0c8c08f8_8c08f805;
+defparam bootram.RAM2.INIT_03=256'h802ea338_08fc0508_27ac388c_08880508_8c05088c_050c8c08_0b8c08f8_fc050c80;
+defparam bootram.RAM2.INIT_04=256'h08fc050c_0508108c_0c8c08fc_8c088c05_8c050810_99388c08_8c050824_800b8c08;
+defparam bootram.RAM2.INIT_05=256'h05088c08_388c0888_050826a1_088c0888_8c088c05_2e80c938_fc050880_c9398c08;
+defparam bootram.RAM2.INIT_06=256'h0508812a_0c8c08fc_8c08f805_fc050807_05088c08_0c8c08f8_8c088805_8c050831;
+defparam bootram.RAM2.INIT_07=256'h388c0888_08802e8f_8c089005_0cffaf39_8c088c05_0508812a_0c8c088c_8c08fc05;
+defparam bootram.RAM2.INIT_08=256'h800c853d_08f40508_050c518c_708c08f4_08f80508_518d398c_08f4050c_0508708c;
+defparam bootram.RAM2.INIT_09=256'h38ff1252_70802eb0_07830651_8c387474_52837227_77795656_fc3d0d78_0d8c0c04;
+defparam bootram.RAM2.INIT_0A=256'h71ff2e09_14545555_158115ff_06bd3881_712e0981_33525372_38743374_71ff2ea0;
+defparam bootram.RAM2.INIT_0B=256'h8414fc14_8f388411_2e098106_70087308_74745451_863d0d04_800b800c_8106e238;
+defparam bootram.RAM2.INIT_0C=256'h70797b55_fc3d0d76_863d0d04_7131800c_ffaf3972_70735555_8326e938_54545171;
+defparam bootram.RAM2.INIT_0D=256'h70810554_2e983872_125271ff_2ea738ff_06517080_72750783_72278c38_5555558f;
+defparam bootram.RAM2.INIT_0E=256'h70840554_04745172_0c863d0d_ea387480_2e098106_125271ff_055634ff_33747081;
+defparam bootram.RAM2.INIT_0F=256'h05530c72_08717084_70840554_05530c72_08717084_70840554_05530c72_08717084;
+defparam bootram.RAM2.INIT_10=256'h54087170_72708405_72279538_26c93883_1252718f_05530cf0_08717084_70840554;
+defparam bootram.RAM2.INIT_11=256'h812e9838_08545472_800bae94_39fd3d0d_7054ff83_8326ed38_fc125271_8405530c;
+defparam bootram.RAM2.INIT_12=256'h823fe3a0_b5dc0ce4_519b3f72_ad3f8008_528151e6_b73faeb4_e4993fe3_73b5dc0c;
+defparam bootram.RAM2.INIT_13=256'h5a545a77_82c81108_7baeb808_39f73d0d_843f00ff_3f800851_8151e696_3faeb452;
+defparam bootram.RAM2.INIT_14=256'hb5387382_38807424_742480e9_59555980_0581712b_841908ff_38818818_802e80d9;
+defparam bootram.RAM2.INIT_15=256'h0853722d_53795174_16700853_2eb53878_06537280_80190877_05565681_2b781188;
+defparam bootram.RAM2.INIT_16=256'h53bc1308_38aeb808_5877ffad_d6387708_54738025_2c5a5757_fc177981_ff14fc17;
+defparam bootram.RAM2.INIT_17=256'hffa938d2_54738025_2c5a5757_fc177981_ff14fc17_0853722d_f8c03f74_a5387951;
+defparam bootram.RAM2.INIT_18=256'h08525270_0bfc0570_3d0db5bc_f8943fff_722d7951_bc130853_94397251_398057ff;
+defparam bootram.RAM2.INIT_19=256'h04000000_04e3893f_833d0d04_8106f138_70ff2e09_70085252_702dfc12_ff2e9138;
+defparam bootram.RAM2.INIT_1A=256'h7475726e_65207265_696d6167_61696e20_523a206d_4552524f_4f4b0000_00000040;
+defparam bootram.RAM2.INIT_1B=256'h4e4f4b00_64652e00_64206d6f_206c6f61_49484558_20696e20_4261636b_65642120;
+defparam bootram.RAM2.INIT_1C=256'h61205a50_756c7472_70657220_72207375_6f616465_6f6f746c_322b2062_55535250;
+defparam bootram.RAM2.INIT_1D=256'h696e2073_50322b20_20555352_74696e67_53746172_6e0a0000_6974696f_55206564;
+defparam bootram.RAM2.INIT_1E=256'h6f6d206d_6e206672_65747572_523a2072_4552524f_2e000000_6d6f6465_61666520;
+defparam bootram.RAM2.INIT_1F=256'h65722068_206e6576_6f756c64_73207368_20546869_72616d21_70726f67_61696e20;
+defparam bootram.RAM2.INIT_20=256'h61726520_69726d77_66652066_6f207361_523a206e_4552524f_6e210000_61707065;
+defparam bootram.RAM2.INIT_21=256'h6b2e2046_62726963_6d206120_20492061_626c652e_61696c61_65206176_696d6167;
+defparam bootram.RAM2.INIT_22=256'h2e000000_2052414d_5820746f_20494845_6c6f6164_20746f20_66726565_65656c20;
+defparam bootram.RAM2.INIT_23=256'h6e204650_6374696f_726f6475_69642070_2076616c_20666f72_6b696e67_43686563;
+defparam bootram.RAM2.INIT_24=256'h20465047_74696f6e_6f647563_64207072_56616c69_2e2e2e00_6d616765_47412069;
+defparam bootram.RAM2.INIT_25=256'h20626f6f_6720746f_7074696e_7474656d_642e2041_666f756e_61676520_4120696d;
+defparam bootram.RAM2.INIT_26=256'h20696d61_46504741_696f6e20_64756374_2070726f_616c6964_4e6f2076_742e0000;
+defparam bootram.RAM2.INIT_27=256'h2070726f_6c6f6164_20746f20_74696e67_74656d70_2e0a4174_6f756e64_67652066;
+defparam bootram.RAM2.INIT_28=256'h6f647563_64207072_56616c69_2e2e2e00_77617265_6669726d_696f6e20_64756374;
+defparam bootram.RAM2.INIT_29=256'h2e2e2e00_64696e67_204c6f61_756e642e_6520666f_6d776172_20666972_74696f6e;
+defparam bootram.RAM2.INIT_2A=256'h6d616765_6e672069_61727469_2e205374_64696e67_206c6f61_73686564_46696e69;
+defparam bootram.RAM2.INIT_2B=256'h70726f67_61696e20_6f6d206d_6e206672_65747572_523a2052_4552524f_2e000000;
+defparam bootram.RAM2.INIT_2C=256'h6e210000_61707065_65722068_206e6576_6f756c64_73207368_20546869_72616d21;
+defparam bootram.RAM2.INIT_2D=256'h20666f75_77617265_6669726d_696f6e20_64756374_2070726f_616c6964_4e6f2076;
+defparam bootram.RAM2.INIT_2E=256'h14580a2c_2e2e2e00_77617265_6669726d_61666520_6e672073_54727969_6e642e20;
+defparam bootram.RAM2.INIT_2F=256'h20202020_28282820_20202828_20202020_00202020_0b0b0b0b_01b200d9_05160364;
+defparam bootram.RAM2.INIT_30=256'h10040404_10101010_10101010_10101010_20881010_20202020_20202020_20202020;
+defparam bootram.RAM2.INIT_31=256'h01010101_01010101_01010101_41414141_10104141_10101010_04040410_04040404;
+defparam bootram.RAM2.INIT_32=256'h02020202_02020202_02020202_42424242_10104242_10101010_01010101_01010101;
+defparam bootram.RAM2.INIT_33=256'h00000000_00000000_00000000_00000000_20000000_10101010_02020202_02020202;
 defparam bootram.RAM2.INIT_34=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
 defparam bootram.RAM2.INIT_35=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
 defparam bootram.RAM2.INIT_36=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
-defparam bootram.RAM2.INIT_37=256'hffffff00_ffff00ff_ff00ffff_00ffffff_43000000_65000000_792e6578_64756d6d;
-defparam bootram.RAM2.INIT_38=256'h0018000f_ffff0031_05050400_01010100_00001ab4_00000000_00000000_00000000;
-defparam bootram.RAM2.INIT_39=256'h00000000_00001a4c_000019f0_00001994_00000000_0000172c_000016e0_000b0000;
-defparam bootram.RAM2.INIT_3A=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
-defparam bootram.RAM2.INIT_3B=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_000016ec;
+defparam bootram.RAM2.INIT_37=256'h43000000_65000000_792e6578_64756d6d_00000000_00000000_00000000_00000000;
+defparam bootram.RAM2.INIT_38=256'h00001ac4_00000000_00000000_00000000_ffffff00_ffff00ff_ff00ffff_00ffffff;
+defparam bootram.RAM2.INIT_39=256'h00000000_0000173c_000016f0_000b0000_0018000f_ffff0031_05050400_01010100;
+defparam bootram.RAM2.INIT_3A=256'h00000000_00000000_00000000_00000000_00000000_00001a5c_00001a00_000019a4;
+defparam bootram.RAM2.INIT_3B=256'h00000000_00000000_00000000_000016fc_00000000_00000000_00000000_00000000;
 defparam bootram.RAM2.INIT_3C=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
 defparam bootram.RAM2.INIT_3D=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
-defparam bootram.RAM2.INIT_3E=256'h1234e66d_330eabcd_00000001_00000000_00000000_00000000_00000000_00000000;
-defparam bootram.RAM2.INIT_3F=256'h00000000_00000000_00000000_00000000_00000000_00000000_000b0000_deec0005;
+defparam bootram.RAM2.INIT_3E=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM2.INIT_3F=256'h00000000_00000000_000b0000_deec0005_1234e66d_330eabcd_00000001_00000000;
 defparam bootram.RAM3.INIT_00=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
 defparam bootram.RAM3.INIT_01=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
 defparam bootram.RAM3.INIT_02=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
@@ -211,8 +211,8 @@ defparam bootram.RAM3.INIT_11=256'h00000000_00000000_00000000_00000000_00000000_
 defparam bootram.RAM3.INIT_12=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
 defparam bootram.RAM3.INIT_13=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
 defparam bootram.RAM3.INIT_14=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
-defparam bootram.RAM3.INIT_15=256'h00000000_00000000_00000000_ffffffff_00000000_ffffffff_00000000_00000000;
-defparam bootram.RAM3.INIT_16=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM3.INIT_15=256'h00000000_ffffffff_00000000_00000000_00000000_00000000_00000000_00000000;
+defparam bootram.RAM3.INIT_16=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_ffffffff;
 defparam bootram.RAM3.INIT_17=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
 defparam bootram.RAM3.INIT_18=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
 defparam bootram.RAM3.INIT_19=256'h00000000_00000000_00000000_00000000_00000000_00000000_00000000_00000000;
diff --git a/usrp2/top/u2plus/u2plus_core.v b/usrp2/top/u2plus/u2plus_core.v
index ec54de73e..22e181caf 100644
--- a/usrp2/top/u2plus/u2plus_core.v
+++ b/usrp2/top/u2plus/u2plus_core.v
@@ -131,18 +131,22 @@ module u2plus_core
    output spiflash_cs, output spiflash_clk, input spiflash_miso, output spiflash_mosi
    );
 
-   localparam SR_MISC     =  0;   // Uses 9 regs
-   localparam SR_BUF_POOL = 64;   // Uses 4 regs
-   localparam SR_UDP_SM   = 96;   // 64 regs
-   localparam SR_RX_DSP0  = 160;  // 16
-   localparam SR_RX_CTRL0 = 176;  // 16
-   localparam SR_TIME64   = 192;  //  3
-   localparam SR_SIMTIMER = 198;  //  2
-   localparam SR_TX_DSP   = 208;  // 16
-   localparam SR_TX_CTRL  = 224;  // 16
-   localparam SR_RX_DSP1  = 240;
-   localparam SR_RX_CTRL1 = 32;
-   
+   localparam SR_MISC     =   0;   // 7 regs
+   localparam SR_SIMTIMER =   8;   // 2
+   localparam SR_TIME64   =  10;   // 6
+   localparam SR_BUF_POOL =  16;   // 4
+
+   localparam SR_RX_FRONT =  24;   // 5
+   localparam SR_RX_CTRL0 =  32;   // 9
+   localparam SR_RX_DSP0  =  48;   // 7
+   localparam SR_RX_CTRL1 =  80;   // 9
+   localparam SR_RX_DSP1  =  96;   // 7
+
+   localparam SR_TX_FRONT = 128;   // ?
+   localparam SR_TX_CTRL  = 144;   // 6
+   localparam SR_TX_DSP   = 160;   // 5
+
+   localparam SR_UDP_SM   = 192;   // 64
    
    // FIFO Sizes, 9 = 512 lines, 10 = 1024, 11 = 2048
    // all (most?) are 36 bits wide, so 9 is 1 BRAM, 10 is 2, 11 is 4 BRAMs
@@ -203,22 +207,22 @@ module u2plus_core
    wire 	 m0_we,s0_we,s1_we,s2_we,s3_we,s4_we,s5_we,s6_we,s7_we,s8_we,s9_we,sa_we,sb_we,sc_we,sd_we,se_we,sf_we;
    
    wb_1master #(.decode_w(8),
-		.s0_addr(8'b0000_0000),.s0_mask(8'b1110_0000),  // 0-8K, Boot RAM
-		.s1_addr(8'b0100_0000),.s1_mask(8'b1111_0000),  // 16K-20K, Buffer Pool
-		.s2_addr(8'b0110_0000),.s2_mask(8'b1111_1111),  // SPI
-		.s3_addr(8'b0110_0001),.s3_mask(8'b1111_1111),  // I2C
-		.s4_addr(8'b0110_0010),.s4_mask(8'b1111_1111),  // GPIO
-		.s5_addr(8'b0110_0011),.s5_mask(8'b1111_1111),  // Readback
-		.s6_addr(8'b0110_0100),.s6_mask(8'b1111_1111),  // Ethernet MAC
-		.s7_addr(8'b0101_0000),.s7_mask(8'b1111_0000),  // 20K-24K, Settings Bus (only uses 1K)
-		.s8_addr(8'b0110_0101),.s8_mask(8'b1111_1111),  // PIC
-		.s9_addr(8'b0110_0110),.s9_mask(8'b1111_1111),  // Unused
-		.sa_addr(8'b0110_0111),.sa_mask(8'b1111_1111),  // UART
-		.sb_addr(8'b0110_1000),.sb_mask(8'b1111_1111),  // ATR
-		.sc_addr(8'b0110_1001),.sc_mask(8'b1111_1111),  // Unused
-		.sd_addr(8'b0110_1010),.sd_mask(8'b1111_1111),  // ICAP
-		.se_addr(8'b0110_1011),.se_mask(8'b1111_1111),  // SPI Flash
-		.sf_addr(8'b1000_0000),.sf_mask(8'b1100_0000),  // 32-48K, Main RAM
+		.s0_addr(8'b0000_0000),.s0_mask(8'b1100_0000),  // Main RAM (0-16K)
+		.s1_addr(8'b0100_0000),.s1_mask(8'b1111_0000),  // Packet Router (16-20K)
+ 		.s2_addr(8'b0101_0000),.s2_mask(8'b1111_1100),  // SPI
+		.s3_addr(8'b0101_0100),.s3_mask(8'b1111_1100),  // I2C
+		.s4_addr(8'b0101_1000),.s4_mask(8'b1111_1100),  // GPIO
+		.s5_addr(8'b0101_1100),.s5_mask(8'b1111_1100),  // Readback
+		.s6_addr(8'b0110_0000),.s6_mask(8'b1111_0000),  // Ethernet MAC
+		.s7_addr(8'b0111_0000),.s7_mask(8'b1111_0000),  // 20K-24K, Settings Bus (only uses 1K)
+		.s8_addr(8'b1000_0000),.s8_mask(8'b1111_1100),  // PIC
+		.s9_addr(8'b1000_0100),.s9_mask(8'b1111_1100),  // Unused
+		.sa_addr(8'b1000_1000),.sa_mask(8'b1111_1100),  // UART
+		.sb_addr(8'b1000_1100),.sb_mask(8'b1111_1100),  // ATR
+		.sc_addr(8'b1001_0000),.sc_mask(8'b1111_0000),  // Unused
+		.sd_addr(8'b1010_0000),.sd_mask(8'b1111_0000),  // ICAP
+		.se_addr(8'b1011_0000),.se_mask(8'b1111_0000),  // SPI Flash
+		.sf_addr(8'b1100_0000),.sf_mask(8'b1100_0000),  // 48K-64K, Boot RAM
 		.dw(dw),.aw(aw),.sw(sw)) wb_1master
      (.clk_i(wb_clk),.rst_i(wb_rst),       
       .m0_dat_o(m0_dat_o),.m0_ack_o(m0_ack),.m0_err_o(m0_err),.m0_rty_o(m0_rty),.m0_dat_i(m0_dat_i),
@@ -256,55 +260,47 @@ module u2plus_core
       .sf_dat_o(sf_dat_o),.sf_adr_o(sf_adr),.sf_sel_o(sf_sel),.sf_we_o(sf_we),.sf_cyc_o(sf_cyc),.sf_stb_o(sf_stb),
       .sf_dat_i(sf_dat_i),.sf_ack_i(sf_ack),.sf_err_i(0),.sf_rty_i(0));
       
-   //////////////////////////////////////////////////////////////////////////////////////////
+   // ////////////////////////////////////////////////////////////////////////////////////////
    // Reset Controller
 
-    reg cpu_bldr_ctrl_state;
-    localparam CPU_BLDR_CTRL_WAIT = 0;
-    localparam CPU_BLDR_CTRL_DONE = 1;
-
-    wire bldr_done;
-    wire por_rst;
-    wire [aw-1:0] cpu_adr;
-    wire [aw-1:0] cpu_sp_init = (cpu_bldr_ctrl_state == CPU_BLDR_CTRL_DONE)?
-        16'hfff8 : //top of 8K boot ram re-purposed at 56K
-        16'h1ff8 ; //top of 8K boot ram
-
-    //When the main program runs, it will try to access system ram at 0.
-    //This logic re-maps the cpu address to force select the system ram.
-    assign m0_adr =
-        (cpu_bldr_ctrl_state == CPU_BLDR_CTRL_WAIT)? cpu_adr : ( //in bootloader
-        (cpu_adr[15:14] == 2'b00)?   {2'b10, cpu_adr[13:0]}  : ( //map 0-16 to 32-48 (main ram)
-        (cpu_adr[15:13] == 3'b111)?  {3'b000, cpu_adr[12:0]} : ( //map 56-64 to 0-8 (boot ram)
-    cpu_adr))); //otherwise
-
-    system_control sysctrl (
-        .wb_clk_i(wb_clk), .wb_rst_o(por_rst), .ram_loader_done_i(1'b1)
-    );
-
-    always @(posedge wb_clk)
-    if(por_rst) begin
+   reg 		 cpu_bldr_ctrl_state;
+   localparam CPU_BLDR_CTRL_WAIT = 0;
+   localparam CPU_BLDR_CTRL_DONE = 1;
+   
+   wire 	 bldr_done;
+   wire 	 por_rst;
+   wire [aw-1:0] cpu_adr;
+
+   // Swap boot ram and main ram when in bootloader mode
+   assign m0_adr = (^cpu_adr[15:14] | (cpu_bldr_ctrl_state == CPU_BLDR_CTRL_DONE)) ? cpu_adr :
+		   cpu_adr ^ 16'hC000;
+   
+   system_control sysctrl 
+     (.wb_clk_i(wb_clk), .wb_rst_o(por_rst), .ram_loader_done_i(1'b1) );
+   
+   always @(posedge wb_clk)
+     if(por_rst) begin
         cpu_bldr_ctrl_state <= CPU_BLDR_CTRL_WAIT;
         wb_rst <= 1'b1;
-    end
-    else begin
+     end
+     else begin
         case(cpu_bldr_ctrl_state)
-
-        CPU_BLDR_CTRL_WAIT: begin
-            wb_rst <= 1'b0;
-            if (bldr_done == 1'b1) begin //set by the bootloader
+	  
+          CPU_BLDR_CTRL_WAIT: begin
+             wb_rst <= 1'b0;
+             if (bldr_done == 1'b1) begin //set by the bootloader
                 cpu_bldr_ctrl_state <= CPU_BLDR_CTRL_DONE;
                 wb_rst <= 1'b1;
-            end
-        end
-
-        CPU_BLDR_CTRL_DONE: begin //stay here forever
-            wb_rst <= 1'b0;
-        end
-
+             end
+          end
+	  
+          CPU_BLDR_CTRL_DONE: begin //stay here forever
+             wb_rst <= 1'b0;
+          end
+	  
         endcase //cpu_bldr_ctrl_state
-    end
-
+     end
+   
    // /////////////////////////////////////////////////////////////////////////
    // Processor
 
@@ -317,9 +313,8 @@ module u2plus_core
 	   .we_o(m0_we),.stb_o(m0_stb),.dat_o(m0_dat_i),.adr_o(cpu_adr),
 	   .dat_i(m0_dat_o),.ack_i(m0_ack),.sel_o(m0_sel),.cyc_o(m0_cyc),
 	   // Interrupts and exceptions
-	   .stack_start(cpu_sp_init), .zpu_status(zpu_status), .interrupt(proc_int & 1'b0));
-
-
+	   .zpu_status(zpu_status), .interrupt(proc_int & 1'b0));
+   
    // /////////////////////////////////////////////////////////////////////////
    // Dual Ported Boot RAM -- D-Port is Slave #0 on main Wishbone
    // Dual Ported Main RAM -- D-Port is Slave #F on main Wishbone
@@ -327,8 +322,8 @@ module u2plus_core
 
    bootram bootram(.clk(wb_clk), .reset(wb_rst),
 		   .if_adr(13'b0), .if_data(),
-		   .dwb_adr_i(s0_adr[12:0]), .dwb_dat_i(s0_dat_o), .dwb_dat_o(s0_dat_i),
-		   .dwb_we_i(s0_we), .dwb_ack_o(s0_ack), .dwb_stb_i(s0_stb), .dwb_sel_i(s0_sel));
+		   .dwb_adr_i(sf_adr[12:0]), .dwb_dat_i(sf_dat_o), .dwb_dat_o(sf_dat_i),
+		   .dwb_we_i(sf_we), .dwb_ack_o(sf_ack), .dwb_stb_i(sf_stb), .dwb_sel_i(sf_sel));
 
 ////blinkenlights v0.1
 //defparam bootram.RAM0.INIT_00=256'hbc32fff0_aa43502b_b00000fe_30630001_80000000_10600000_a48500ff_10a00000;
@@ -339,8 +334,8 @@ module u2plus_core
    ram_harvard2 #(.AWIDTH(14),.RAM_SIZE(16384))
    sys_ram(.wb_clk_i(wb_clk),.wb_rst_i(wb_rst),	     
 	   .if_adr(14'b0), .if_data(),
-	   .dwb_adr_i(sf_adr[13:0]), .dwb_dat_i(sf_dat_o), .dwb_dat_o(sf_dat_i),
-	   .dwb_we_i(sf_we), .dwb_ack_o(sf_ack), .dwb_stb_i(sf_stb), .dwb_sel_i(sf_sel));
+	   .dwb_adr_i(s0_adr[13:0]), .dwb_dat_i(s0_dat_o), .dwb_dat_o(s0_dat_i),
+	   .dwb_we_i(s0_we), .dwb_ack_o(s0_ack), .dwb_stb_i(s0_stb), .dwb_sel_i(s0_sel));
    
    // /////////////////////////////////////////////////////////////////////////
    // Buffer Pool, slave #1
@@ -416,7 +411,7 @@ module u2plus_core
    // Buffer Pool Status -- Slave #5   
    
    //compatibility number -> increment when the fpga has been sufficiently altered
-   localparam compat_num = 32'd5;
+   localparam compat_num = 32'd6;
 
    wb_readback_mux buff_pool_status
      (.wb_clk_i(wb_clk), .wb_rst_i(wb_rst), .wb_stb_i(s5_stb),
@@ -433,7 +428,7 @@ module u2plus_core
    // Ethernet MAC  Slave #6
 
    simple_gemac_wrapper #(.RXFIFOSIZE(ETH_RX_FIFOSIZE), 
-			  .TXFIFOSIZE(ETH_TX_FIFOSIZE)) simple_gemac_wrapper19
+			  .TXFIFOSIZE(ETH_TX_FIFOSIZE)) simple_gemac_wrapper
      (.clk125(clk_to_mac),  .reset(wb_rst),
       .GMII_GTX_CLK(GMII_GTX_CLK), .GMII_TX_EN(GMII_TX_EN),  
       .GMII_TX_ER(GMII_TX_ER), .GMII_TXD(GMII_TXD),
@@ -477,7 +472,7 @@ module u2plus_core
 				      .in(set_data),.out(adc_outs),.changed());
    setting_reg #(.my_addr(SR_MISC+4),.width(1)) sr_phy (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr),
 				      .in(set_data),.out(phy_reset),.changed());
-   setting_reg #(.my_addr(SR_MISC+5),.width(1)) sr_bldr (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr),
+   setting_reg #(.my_addr(SR_MISC+5),.width(1)) sr_bld (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr),
 				      .in(set_data),.out(bldr_done),.changed());
 
    // /////////////////////////////////////////////////////////////////////////
@@ -492,7 +487,7 @@ module u2plus_core
    setting_reg #(.my_addr(SR_MISC+3),.width(8)) sr_led (.clk(wb_clk),.rst(wb_rst),.strobe(set_stb),.addr(set_addr),
 				      .in(set_data),.out(led_sw),.changed());
 
-   setting_reg #(.my_addr(SR_MISC+8),.width(8), .at_reset(8'b0001_1110)) 
+   setting_reg #(.my_addr(SR_MISC+6),.width(8), .at_reset(8'b0001_1110)) 
    sr_led_src (.clk(wb_clk),.rst(wb_rst), .strobe(set_stb),.addr(set_addr), .in(set_data),.out(led_src),.changed());
 
    assign 	 leds = (led_src & led_hw) | (~led_src & led_sw);
diff --git a/usrp2/udp/prot_eng_tx.v b/usrp2/udp/prot_eng_tx.v
index c642842f6..b4f6e55b8 100644
--- a/usrp2/udp/prot_eng_tx.v
+++ b/usrp2/udp/prot_eng_tx.v
@@ -1,146 +1,110 @@
 
-// The input FIFO contents should be 16 bits wide
-//   The first word is 1 for fast path (accelerated protocol)
-//                     0 for software implemented protocol
-//   The second word is the number of bytes in the packet, 
-//         and must be valid even if we are in slow path mode
-//            Odd means the last word is half full
-//   Flags[1:0] is {eop, sop}
-//   Protocol word format is:
-//             21   UDP Source Port Here
-//             20   UDP Dest Port Here
-//             19   Last Header Line
-//             18   IP Header Checksum XOR
-//             17   IP Length Here
-//             16   UDP Length Here
-//           15:0   data word to be sent
-
 module prot_eng_tx
   #(parameter BASE=0)
    (input clk, input reset, input clear,
     input set_stb, input [7:0] set_addr, input [31:0] set_data,
-    input [18:0] datain, input src_rdy_i, output dst_rdy_o,
-    output [18:0] dataout, output src_rdy_o, input dst_rdy_i);
-
-   wire [2:0] flags_i = datain[18:16];
-   reg [15:0] dataout_int;
-   reg fast_path, sof_o;
-   
-   wire [2:0] flags_o 	 = {flags_i[2], flags_i[1], sof_o};  // OCC, EOF, SOF
+    input [35:0] datain, input src_rdy_i, output dst_rdy_o,
+    output [35:0] dataout, output src_rdy_o, input dst_rdy_i);
 
-   assign dataout 	 = {flags_o[2:0], dataout_int[15:0]};
+   wire 	  src_rdy_int1, dst_rdy_int1;
+   wire 	  src_rdy_int2, dst_rdy_int2;
+   wire [35:0] 	  data_int1, data_int2;
 
-   reg [4:0] state;
-   wire do_payload 	 = (state == 31);
-   
-   assign dst_rdy_o 	 = dst_rdy_i & (do_payload | (state==0) | (state==1) | (state==30));
-   assign src_rdy_o 	 = src_rdy_i & ~((state==0) | (state==1) | (state==30));
-   
-   localparam HDR_WIDTH  = 16 + 6;  // 16 bits plus flags
-   localparam HDR_LEN 	 = 32;      // Up to 64 bytes of protocol
+   // Shortfifo on input to guarantee no deadlock
+   fifo_short #(.WIDTH(36)) head_fifo
+     (.clk(clk),.reset(reset),.clear(clear),
+      .datain(datain), .src_rdy_i(src_rdy_i), .dst_rdy_o(dst_rdy_o),
+      .dataout(data_int1), .src_rdy_o(src_rdy_int1), .dst_rdy_i(dst_rdy_int1),
+      .space(),.occupied() );
    
    // Store header values in a small dual-port (distributed) ram
-   reg [HDR_WIDTH-1:0] header_ram[0:HDR_LEN-1];
-   wire [HDR_WIDTH-1:0] header_word;
-
-   reg [1:0] 		port_sel;
-   reg [31:0] 		per_port_data[0:3];
-   reg [15:0] 		udp_src_port, udp_dst_port, chk_precompute;
-
-   always @(posedge clk) udp_src_port <= per_port_data[port_sel][31:16];
-   always @(posedge clk) udp_dst_port <= per_port_data[port_sel][15:0];
-
+   reg [31:0] 	  header_ram[0:63];
+   reg [3:0] 	  state;
+   reg [1:0] 	  port_sel;
+   
    always @(posedge clk)
-     if(set_stb & ((set_addr & 8'hE0) == BASE))
-       header_ram[set_addr[4:0]] <= set_data;
+     if(set_stb & ((set_addr & 8'hC0) == BASE))
+       header_ram[set_addr[5:0]] <= set_data;
 
-   always @(posedge clk)
-     if(set_stb & (set_addr == (BASE + 14)))
-       chk_precompute <= set_data[15:0];
+   wire [31:0] 	  header_word = header_ram[{port_sel[1:0],state[3:0]}];
 
+   reg [15:0] 	  pre_checksums [0:3];
    always @(posedge clk)
-     if(set_stb & ((set_addr & 8'hFC) == (BASE+24)))
-       per_port_data[set_addr[1:0]] <= set_data;
-   
-   wire do_udp_src_port = header_word[21];
-   wire do_udp_dst_port = header_word[20];
-   wire last_hdr_line   = header_word[19];
-   wire do_ip_chk       = header_word[18];
-   wire do_ip_len       = header_word[17];
-   wire do_udp_len      = header_word[16];
+     if(set_stb & ((set_addr & 8'hCF)== (BASE+7)))
+       pre_checksums[set_addr[5:4]] <= set_data[15:0];
+
+   wire [15:0] 	  pre_checksum = pre_checksums[port_sel[1:0]];
 
-   assign header_word = header_ram[state];
-   
    // Protocol State Machine
    reg [15:0] length;
    wire [15:0] ip_length = length + 28;  // IP HDR + UDP HDR
    wire [15:0] udp_length = length + 8;  //  UDP HDR
- 
+   reg 	       sof_o;
+   reg [31:0]  prot_data;
+   
    always @(posedge clk)
      if(reset)
        begin
-	  state     <= 0;
-	  fast_path <= 0;
+	  state   <= 0;
 	  sof_o   <= 0;
        end
      else
-       if(src_rdy_i & dst_rdy_i)
+       if(src_rdy_int1 & dst_rdy_int2)
 	 case(state)
 	   0 :
 	     begin
-		fast_path <= datain[0];
-		port_sel <= datain[2:1];
-		state <= 1;
-	     end
-	   1 :
-	     begin
-		length 	<= datain[15:0];
+		port_sel <= data_int1[18:17];
+		length 	<= data_int1[15:0];
 		sof_o <= 1;
-		if(fast_path)
-		  state <= 2;
+		if(data_int1[16])
+		  state <= 1;
 		else
-		  state <= 30;  // Skip 1 word for alignment
+		  state <= 12;
 	     end
-	   30 :
-	     state <= 31;
-	   31 :
+	   12 :
 	     begin
 		sof_o <= 0;
-		if(flags_i[1]) // eop
+		if(data_int1[33]) // eof
 		  state <= 0;
 	     end
 	   default :
 	     begin
 		sof_o 	<= 0;
-		if(~last_hdr_line)
-		  state <= state + 1;
-		else
-		  state <= 31;
+		state <= state + 1;
 	     end
 	 endcase // case (state)
 
-   wire [15:0] checksum;
+   wire [15:0] ip_checksum;
    add_onescomp #(.WIDTH(16)) add_onescomp 
-     (.A(chk_precompute),.B(ip_length),.SUM(checksum));
-
-   reg [15:0]  checksum_reg;
-   always @(posedge clk)
-     checksum_reg <= checksum;
+     (.A(pre_checksum),.B(ip_length),.SUM(ip_checksum));
+   reg [15:0]  ip_checksum_reg;
+   always @(posedge clk) ip_checksum_reg <= ip_checksum;
    
    always @*
-     if(do_payload)
-       dataout_int 	<= datain[15:0];
-     else if(do_ip_chk)
-       dataout_int 	<= 16'hFFFF ^ checksum_reg;
-     else if(do_ip_len)
-       dataout_int 	<= ip_length;
-     else if(do_udp_len)
-       dataout_int 	<= udp_length;
-     else if(do_udp_src_port)
-       dataout_int      <= udp_src_port;
-     else if(do_udp_dst_port)
-       dataout_int      <= udp_dst_port;
-     else
-       dataout_int 	<= header_word[15:0];
+     case(state)
+       1 : prot_data <= header_word;  // ETH, top half ignored
+       2 : prot_data <= header_word;  // ETH
+       3 : prot_data <= header_word;  // ETH
+       4 : prot_data <= header_word;  // ETH
+       5 : prot_data <= { header_word[31:16], ip_length }; // IP
+       6 : prot_data <= header_word; // IP
+       7 : prot_data <= { header_word[31:16], (16'hFFFF ^ ip_checksum_reg) }; // IP
+       8 : prot_data <= header_word; // IP
+       9 : prot_data <= header_word; // IP
+       10: prot_data <= header_word;  // UDP 
+       11: prot_data <= { udp_length, header_word[15:0]}; // UDP
+       default : prot_data <= data_int1[31:0];
+     endcase // case (state)
+
+   assign data_int2 = { data_int1[35:33] & {3{state[3]}},  sof_o, prot_data };
+   assign dst_rdy_int1 = dst_rdy_int2 & ((state == 0) | (state == 12));
+   assign src_rdy_int2 = src_rdy_int1 & (state != 0);
+   
+   // Shortfifo on output to guarantee no deadlock
+   fifo_short #(.WIDTH(36)) tail_fifo
+     (.clk(clk),.reset(reset),.clear(clear),
+      .datain(data_int2), .src_rdy_i(src_rdy_int2), .dst_rdy_o(dst_rdy_int2),
+      .dataout(dataout), .src_rdy_o(src_rdy_o), .dst_rdy_i(dst_rdy_i),
+      .space(),.occupied() );
    
 endmodule // prot_eng_tx
diff --git a/usrp2/udp/prot_eng_tx_tb.v b/usrp2/udp/prot_eng_tx_tb.v
index c8fffe605..138794e57 100644
--- a/usrp2/udp/prot_eng_tx_tb.v
+++ b/usrp2/udp/prot_eng_tx_tb.v
@@ -8,40 +8,45 @@ module prot_eng_tx_tb();
    always #50 clk = ~clk;
    
    reg [31:0] f36_data;
-   reg [1:0] f36_occ;
-   reg f36_sof, f36_eof;
-   
+   reg [1:0]  f36_occ;
+   reg 	      f36_sof, f36_eof;
    wire [35:0] f36_in = {f36_occ,f36_eof,f36_sof,f36_data};
-   reg src_rdy_f36i  = 0;
-   reg [15:0] count;
+   reg 	       src_rdy_f36i  = 0;
+   wire        dst_rdy_f36i;
+
 
    wire [35:0] casc_do;
-   wire [18:0] final_out, prot_out;
+   wire        src_rdy_f36o, dst_rdy_f36o;
 
-   wire src_rdy_final, dst_rdy_final, src_rdy_prot;
-   reg dst_rdy_prot =0;
-   
-   wire dst_rdy_f36o ;
-   fifo_long #(.WIDTH(36), .SIZE(4)) fifo_cascade36
-     (.clk(clk),.reset(rst),.clear(clear),
-      .datain(f36_in),.src_rdy_i(src_rdy_f36i),.dst_rdy_o(dst_rdy_f36i),
-      .dataout(casc_do),.src_rdy_o(src_rdy_f36o),.dst_rdy_i(dst_rdy_f36o));
+   wire [35:0] prot_out;
+   wire        src_rdy_prot, dst_rdy_prot;
 
-   fifo36_to_fifo19 fifo_converter
-     (.clk(clk),.reset(rst),.clear(clear),
-      .f36_datain(casc_do),.f36_src_rdy_i(src_rdy_f36o),.f36_dst_rdy_o(dst_rdy_f36o),
-      .f19_dataout(final_out),.f19_src_rdy_o(src_rdy_final),.f19_dst_rdy_i(dst_rdy_final));
+   wire [35:0] realign_out;
+   wire        src_rdy_realign;
+   reg 	       dst_rdy_realign = 1;
+      
+   reg [15:0] count;
 
    reg set_stb;
    reg [7:0] set_addr;
    reg [31:0] set_data;
 	
+   fifo_short #(.WIDTH(36)) fifo_cascade36
+     (.clk(clk),.reset(rst),.clear(clear),
+      .datain(f36_in),.src_rdy_i(src_rdy_f36i),.dst_rdy_o(dst_rdy_f36i),
+      .dataout(casc_do),.src_rdy_o(src_rdy_f36o),.dst_rdy_i(dst_rdy_f36o));
+
    prot_eng_tx #(.BASE(BASE)) prot_eng_tx
-     (.clk(clk), .reset(rst),
+     (.clk(clk), .reset(rst), .clear(0),
       .set_stb(set_stb),.set_addr(set_addr),.set_data(set_data),
-      .datain(final_out[18:0]),.src_rdy_i(src_rdy_final),.dst_rdy_o(dst_rdy_final),
-      .dataout(prot_out[18:0]),.src_rdy_o(src_rdy_prot),.dst_rdy_i(dst_rdy_prot));
-   
+      .datain(casc_do),.src_rdy_i(src_rdy_f36o),.dst_rdy_o(dst_rdy_f36o),
+      .dataout(prot_out),.src_rdy_o(src_rdy_prot),.dst_rdy_i(dst_rdy_prot));
+
+   ethtx_realign ethtx_realign
+     (.clk(clk), .reset(rst), .clear(0),
+      .datain(prot_out),.src_rdy_i(src_rdy_prot),.dst_rdy_o(dst_rdy_prot),
+      .dataout(realign_out),.src_rdy_o(src_rdy_realign),.dst_rdy_i(dst_rdy_realign));
+
    reg [35:0] printer;
 
    task WriteSREG;
@@ -58,17 +63,22 @@ module prot_eng_tx_tb();
       end
    endtask // WriteSREG
    	
+   always @(posedge clk)
+     if(src_rdy_realign)
+       $display("Read: %h",realign_out);
+
+   
    task ReadFromFIFO36;
       begin
 	 $display("Read from FIFO36");
-	 #1 dst_rdy_prot <= 1;
+	 #1 dst_rdy_realign <= 1;
 	 while(~src_rdy_prot)
 	   @(posedge clk);
 	 while(1)
 	   begin
 	      while(~src_rdy_prot)
 		@(posedge clk);
-	      $display("Read: %h",prot_out);
+	      $display("Read: %h",realign_out);
 	      @(posedge clk);
 	   end
       end
@@ -80,7 +90,7 @@ module prot_eng_tx_tb();
       begin
 	 count 	      <= 4;
 	 src_rdy_f36i <= 1;
-	 f36_data     <= 32'h0003_000c;
+	 f36_data     <= 32'h0001_000c;
 	 f36_sof      <= 1;
 	 f36_eof      <= 0;
 	 f36_occ      <= 0;
@@ -132,37 +142,34 @@ module prot_eng_tx_tb();
      begin
 	#10000;
 	@(posedge clk);
-	ReadFromFIFO36;
+	//ReadFromFIFO36;
      end
    
    initial
      begin
 	@(negedge rst);
 	@(posedge clk);
-	WriteSREG(BASE, {12'b0, 4'h0, 16'h0000});
-	WriteSREG(BASE+1, {11'b0, 5'h00, 16'h0000});
-	WriteSREG(BASE+2, {11'b0, 5'h00, 16'hABCD});
-	WriteSREG(BASE+3, {11'b0, 5'h00, 16'h1234});
-	WriteSREG(BASE+4, {11'b0, 5'h00, 16'h5678});
-	WriteSREG(BASE+5, {11'b0, 5'h00, 16'hF00D});
-	WriteSREG(BASE+6, {11'b0, 5'h00, 16'hBEEF});
-	WriteSREG(BASE+7, {11'b0, 5'h10, 16'hDCBA});
-	WriteSREG(BASE+8, {11'b0, 5'h00, 16'h4321});
-	WriteSREG(BASE+9, {11'b0, 5'h04, 16'hABCD});
-	WriteSREG(BASE+10, {11'b0, 5'h08, 16'hABCD});
+	WriteSREG(BASE, 32'h89AB_CDEF);
+	WriteSREG(BASE+1, 32'h1111_2222);
+	WriteSREG(BASE+2, 32'h3333_4444);
+	WriteSREG(BASE+3, 32'h5555_6666);
+	WriteSREG(BASE+4, 32'h7777_8888);
+	WriteSREG(BASE+5, 32'h9999_aaaa);
+	WriteSREG(BASE+6, 32'hbbbb_cccc);
+	WriteSREG(BASE+7, 32'hdddd_eeee);
+	WriteSREG(BASE+8, 32'h0f0f_0011);
+	WriteSREG(BASE+9, 32'h0022_0033);
+	WriteSREG(BASE+10, 32'h0044_0055);
+	WriteSREG(BASE+11, 32'h0066_0077);
+	WriteSREG(BASE+12, 32'h0088_0099);
 	@(posedge clk);
 	
-	WriteSREG(BASE+24, 16'h6666);
-	WriteSREG(BASE+25, 16'h7777);
-	WriteSREG(BASE+26, 16'h8888);
-	WriteSREG(BASE+27, 16'h9999);
-	
 	PutPacketInFIFO36(32'hA0B0C0D0,16);
 	@(posedge clk);
 	@(posedge clk);
 	#10000;
 	@(posedge clk);
-	PutPacketInFIFO36(32'hE0F0A0B0,36);
+	//PutPacketInFIFO36(32'hE0F0A0B0,36);
 	@(posedge clk);
 	@(posedge clk);
 	@(posedge clk);