diff options
Diffstat (limited to 'fpga/usrp2/models/RAMB16_S36_S36.v')
| -rw-r--r-- | fpga/usrp2/models/RAMB16_S36_S36.v | 2194 |
1 files changed, 2194 insertions, 0 deletions
diff --git a/fpga/usrp2/models/RAMB16_S36_S36.v b/fpga/usrp2/models/RAMB16_S36_S36.v new file mode 100644 index 000000000..f1a92c7ce --- /dev/null +++ b/fpga/usrp2/models/RAMB16_S36_S36.v @@ -0,0 +1,2194 @@ +// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/unisims/RAMB16_S36_S36.v,v 1.10 2007/02/22 01:58:06 wloo Exp $ +/////////////////////////////////////////////////////////////////////////////// +// Copyright (c) 1995/2005 Xilinx, Inc. +// All Right Reserved. +/////////////////////////////////////////////////////////////////////////////// +// ____ ____ +// / /\/ / +// /___/ \ / Vendor : Xilinx +// \ \ \/ Version : 10.1 +// \ \ Description : Xilinx Functional Simulation Library Component +// / / 16K-Bit Data and 2K-Bit Parity Dual Port Block RAM +// /___/ /\ Filename : RAMB16_S36_S36.v +// \ \ / \ Timestamp : Thu Mar 10 16:43:36 PST 2005 +// \___\/\___\ +// +// Revision: +// 03/23/04 - Initial version. +// End Revision + +`ifdef legacy_model + +`timescale 1 ps / 1 ps + +module RAMB16_S36_S36 (DOA, DOB, DOPA, DOPB, ADDRA, ADDRB, CLKA, CLKB, DIA, DIB, DIPA, DIPB, ENA, ENB, SSRA, SSRB, WEA, WEB); + + parameter INIT_A = 36'h0; + parameter INIT_B = 36'h0; + parameter SRVAL_A = 36'h0; + parameter SRVAL_B = 36'h0; + parameter WRITE_MODE_A = "WRITE_FIRST"; + parameter WRITE_MODE_B = "WRITE_FIRST"; + parameter SIM_COLLISION_CHECK = "ALL"; + localparam SETUP_ALL = 1000; + localparam SETUP_READ_FIRST = 3000; + + parameter INIT_00 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_01 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_02 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_03 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_04 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_05 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_06 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_07 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_08 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_09 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_0A = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_0B = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_0C = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_0D = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_0E = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_0F = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_10 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_11 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_12 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_13 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_14 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_15 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_16 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_17 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_18 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_19 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_1A = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_1B = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_1C = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_1D = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_1E = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_1F = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_20 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_21 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_22 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_23 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_24 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_25 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_26 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_27 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_28 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_29 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_2A = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_2B = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_2C = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_2D = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_2E = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_2F = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_30 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_31 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_32 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_33 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_34 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_35 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_36 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_37 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_38 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_39 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_3A = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_3B = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_3C = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_3D = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_3E = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_3F = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INITP_00 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INITP_01 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INITP_02 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INITP_03 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INITP_04 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INITP_05 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INITP_06 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INITP_07 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + + output [31:0] DOA; + output [3:0] DOPA; + reg [31:0] doa_out; + reg [3:0] dopa_out; + wire doa_out0, doa_out1, doa_out2, doa_out3, doa_out4, doa_out5, doa_out6, doa_out7, doa_out8, doa_out9, doa_out10, doa_out11, doa_out12, doa_out13, doa_out14, doa_out15, doa_out16, doa_out17, doa_out18, doa_out19, doa_out20, doa_out21, doa_out22, doa_out23, doa_out24, doa_out25, doa_out26, doa_out27, doa_out28, doa_out29, doa_out30, doa_out31; + wire dopa0_out, dopa1_out, dopa2_out, dopa3_out; + + input [8:0] ADDRA; + input [31:0] DIA; + input [3:0] DIPA; + input ENA, CLKA, WEA, SSRA; + + output [31:0] DOB; + output [3:0] DOPB; + reg [31:0] dob_out; + reg [3:0] dopb_out; + wire dob_out0, dob_out1, dob_out2, dob_out3, dob_out4, dob_out5, dob_out6, dob_out7, dob_out8, dob_out9, dob_out10, dob_out11, dob_out12, dob_out13, dob_out14, dob_out15, dob_out16, dob_out17, dob_out18, dob_out19, dob_out20, dob_out21, dob_out22, dob_out23, dob_out24, dob_out25, dob_out26, dob_out27, dob_out28, dob_out29, dob_out30, dob_out31; + wire dopb0_out, dopb1_out, dopb2_out, dopb3_out; + + input [8:0] ADDRB; + input [31:0] DIB; + input [3:0] DIPB; + input ENB, CLKB, WEB, SSRB; + + reg [18431:0] mem; + reg [8:0] count; + reg [1:0] wr_mode_a, wr_mode_b; + + reg [5:0] dmi, dbi; + reg [5:0] pmi, pbi; + + wire [8:0] addra_int; + reg [8:0] addra_reg; + wire [31:0] dia_int; + wire [3:0] dipa_int; + wire ena_int, clka_int, wea_int, ssra_int; + reg ena_reg, wea_reg, ssra_reg; + wire [8:0] addrb_int; + reg [8:0] addrb_reg; + wire [31:0] dib_int; + wire [3:0] dipb_int; + wire enb_int, clkb_int, web_int, ssrb_int; + reg display_flag; + reg enb_reg, web_reg, ssrb_reg; + + time time_clka, time_clkb; + time time_clka_clkb; + time time_clkb_clka; + + reg setup_all_a_b; + reg setup_all_b_a; + reg setup_zero; + reg setup_rf_a_b; + reg setup_rf_b_a; + reg [1:0] data_collision, data_collision_a_b, data_collision_b_a; + reg memory_collision, memory_collision_a_b, memory_collision_b_a; + reg address_collision, address_collision_a_b, address_collision_b_a; + reg change_clka; + reg change_clkb; + + wire [14:0] data_addra_int; + wire [14:0] data_addra_reg; + wire [14:0] data_addrb_int; + wire [14:0] data_addrb_reg; + wire [15:0] parity_addra_int; + wire [15:0] parity_addra_reg; + wire [15:0] parity_addrb_int; + wire [15:0] parity_addrb_reg; + + tri0 GSR = glbl.GSR; + + always @(GSR) + if (GSR) begin + assign doa_out = INIT_A[31:0]; + assign dopa_out = INIT_A[35:32]; + assign dob_out = INIT_B[31:0]; + assign dopb_out = INIT_B[35:32]; + end + else begin + deassign doa_out; + deassign dopa_out; + deassign dob_out; + deassign dopb_out; + end + + buf b_doa_out0 (doa_out0, doa_out[0]); + buf b_doa_out1 (doa_out1, doa_out[1]); + buf b_doa_out2 (doa_out2, doa_out[2]); + buf b_doa_out3 (doa_out3, doa_out[3]); + buf b_doa_out4 (doa_out4, doa_out[4]); + buf b_doa_out5 (doa_out5, doa_out[5]); + buf b_doa_out6 (doa_out6, doa_out[6]); + buf b_doa_out7 (doa_out7, doa_out[7]); + buf b_doa_out8 (doa_out8, doa_out[8]); + buf b_doa_out9 (doa_out9, doa_out[9]); + buf b_doa_out10 (doa_out10, doa_out[10]); + buf b_doa_out11 (doa_out11, doa_out[11]); + buf b_doa_out12 (doa_out12, doa_out[12]); + buf b_doa_out13 (doa_out13, doa_out[13]); + buf b_doa_out14 (doa_out14, doa_out[14]); + buf b_doa_out15 (doa_out15, doa_out[15]); + buf b_doa_out16 (doa_out16, doa_out[16]); + buf b_doa_out17 (doa_out17, doa_out[17]); + buf b_doa_out18 (doa_out18, doa_out[18]); + buf b_doa_out19 (doa_out19, doa_out[19]); + buf b_doa_out20 (doa_out20, doa_out[20]); + buf b_doa_out21 (doa_out21, doa_out[21]); + buf b_doa_out22 (doa_out22, doa_out[22]); + buf b_doa_out23 (doa_out23, doa_out[23]); + buf b_doa_out24 (doa_out24, doa_out[24]); + buf b_doa_out25 (doa_out25, doa_out[25]); + buf b_doa_out26 (doa_out26, doa_out[26]); + buf b_doa_out27 (doa_out27, doa_out[27]); + buf b_doa_out28 (doa_out28, doa_out[28]); + buf b_doa_out29 (doa_out29, doa_out[29]); + buf b_doa_out30 (doa_out30, doa_out[30]); + buf b_doa_out31 (doa_out31, doa_out[31]); + buf b_dopa_out0 (dopa_out0, dopa_out[0]); + buf b_dopa_out1 (dopa_out1, dopa_out[1]); + buf b_dopa_out2 (dopa_out2, dopa_out[2]); + buf b_dopa_out3 (dopa_out3, dopa_out[3]); + buf b_dob_out0 (dob_out0, dob_out[0]); + buf b_dob_out1 (dob_out1, dob_out[1]); + buf b_dob_out2 (dob_out2, dob_out[2]); + buf b_dob_out3 (dob_out3, dob_out[3]); + buf b_dob_out4 (dob_out4, dob_out[4]); + buf b_dob_out5 (dob_out5, dob_out[5]); + buf b_dob_out6 (dob_out6, dob_out[6]); + buf b_dob_out7 (dob_out7, dob_out[7]); + buf b_dob_out8 (dob_out8, dob_out[8]); + buf b_dob_out9 (dob_out9, dob_out[9]); + buf b_dob_out10 (dob_out10, dob_out[10]); + buf b_dob_out11 (dob_out11, dob_out[11]); + buf b_dob_out12 (dob_out12, dob_out[12]); + buf b_dob_out13 (dob_out13, dob_out[13]); + buf b_dob_out14 (dob_out14, dob_out[14]); + buf b_dob_out15 (dob_out15, dob_out[15]); + buf b_dob_out16 (dob_out16, dob_out[16]); + buf b_dob_out17 (dob_out17, dob_out[17]); + buf b_dob_out18 (dob_out18, dob_out[18]); + buf b_dob_out19 (dob_out19, dob_out[19]); + buf b_dob_out20 (dob_out20, dob_out[20]); + buf b_dob_out21 (dob_out21, dob_out[21]); + buf b_dob_out22 (dob_out22, dob_out[22]); + buf b_dob_out23 (dob_out23, dob_out[23]); + buf b_dob_out24 (dob_out24, dob_out[24]); + buf b_dob_out25 (dob_out25, dob_out[25]); + buf b_dob_out26 (dob_out26, dob_out[26]); + buf b_dob_out27 (dob_out27, dob_out[27]); + buf b_dob_out28 (dob_out28, dob_out[28]); + buf b_dob_out29 (dob_out29, dob_out[29]); + buf b_dob_out30 (dob_out30, dob_out[30]); + buf b_dob_out31 (dob_out31, dob_out[31]); + buf b_dopb_out0 (dopb_out0, dopb_out[0]); + buf b_dopb_out1 (dopb_out1, dopb_out[1]); + buf b_dopb_out2 (dopb_out2, dopb_out[2]); + buf b_dopb_out3 (dopb_out3, dopb_out[3]); + + buf b_doa0 (DOA[0], doa_out0); + buf b_doa1 (DOA[1], doa_out1); + buf b_doa2 (DOA[2], doa_out2); + buf b_doa3 (DOA[3], doa_out3); + buf b_doa4 (DOA[4], doa_out4); + buf b_doa5 (DOA[5], doa_out5); + buf b_doa6 (DOA[6], doa_out6); + buf b_doa7 (DOA[7], doa_out7); + buf b_doa8 (DOA[8], doa_out8); + buf b_doa9 (DOA[9], doa_out9); + buf b_doa10 (DOA[10], doa_out10); + buf b_doa11 (DOA[11], doa_out11); + buf b_doa12 (DOA[12], doa_out12); + buf b_doa13 (DOA[13], doa_out13); + buf b_doa14 (DOA[14], doa_out14); + buf b_doa15 (DOA[15], doa_out15); + buf b_doa16 (DOA[16], doa_out16); + buf b_doa17 (DOA[17], doa_out17); + buf b_doa18 (DOA[18], doa_out18); + buf b_doa19 (DOA[19], doa_out19); + buf b_doa20 (DOA[20], doa_out20); + buf b_doa21 (DOA[21], doa_out21); + buf b_doa22 (DOA[22], doa_out22); + buf b_doa23 (DOA[23], doa_out23); + buf b_doa24 (DOA[24], doa_out24); + buf b_doa25 (DOA[25], doa_out25); + buf b_doa26 (DOA[26], doa_out26); + buf b_doa27 (DOA[27], doa_out27); + buf b_doa28 (DOA[28], doa_out28); + buf b_doa29 (DOA[29], doa_out29); + buf b_doa30 (DOA[30], doa_out30); + buf b_doa31 (DOA[31], doa_out31); + buf b_dopa0 (DOPA[0], dopa_out0); + buf b_dopa1 (DOPA[1], dopa_out1); + buf b_dopa2 (DOPA[2], dopa_out2); + buf b_dopa3 (DOPA[3], dopa_out3); + buf b_dob0 (DOB[0], dob_out0); + buf b_dob1 (DOB[1], dob_out1); + buf b_dob2 (DOB[2], dob_out2); + buf b_dob3 (DOB[3], dob_out3); + buf b_dob4 (DOB[4], dob_out4); + buf b_dob5 (DOB[5], dob_out5); + buf b_dob6 (DOB[6], dob_out6); + buf b_dob7 (DOB[7], dob_out7); + buf b_dob8 (DOB[8], dob_out8); + buf b_dob9 (DOB[9], dob_out9); + buf b_dob10 (DOB[10], dob_out10); + buf b_dob11 (DOB[11], dob_out11); + buf b_dob12 (DOB[12], dob_out12); + buf b_dob13 (DOB[13], dob_out13); + buf b_dob14 (DOB[14], dob_out14); + buf b_dob15 (DOB[15], dob_out15); + buf b_dob16 (DOB[16], dob_out16); + buf b_dob17 (DOB[17], dob_out17); + buf b_dob18 (DOB[18], dob_out18); + buf b_dob19 (DOB[19], dob_out19); + buf b_dob20 (DOB[20], dob_out20); + buf b_dob21 (DOB[21], dob_out21); + buf b_dob22 (DOB[22], dob_out22); + buf b_dob23 (DOB[23], dob_out23); + buf b_dob24 (DOB[24], dob_out24); + buf b_dob25 (DOB[25], dob_out25); + buf b_dob26 (DOB[26], dob_out26); + buf b_dob27 (DOB[27], dob_out27); + buf b_dob28 (DOB[28], dob_out28); + buf b_dob29 (DOB[29], dob_out29); + buf b_dob30 (DOB[30], dob_out30); + buf b_dob31 (DOB[31], dob_out31); + buf b_dopb0 (DOPB[0], dopb_out0); + buf b_dopb1 (DOPB[1], dopb_out1); + buf b_dopb2 (DOPB[2], dopb_out2); + buf b_dopb3 (DOPB[3], dopb_out3); + + buf b_addra_0 (addra_int[0], ADDRA[0]); + buf b_addra_1 (addra_int[1], ADDRA[1]); + buf b_addra_2 (addra_int[2], ADDRA[2]); + buf b_addra_3 (addra_int[3], ADDRA[3]); + buf b_addra_4 (addra_int[4], ADDRA[4]); + buf b_addra_5 (addra_int[5], ADDRA[5]); + buf b_addra_6 (addra_int[6], ADDRA[6]); + buf b_addra_7 (addra_int[7], ADDRA[7]); + buf b_addra_8 (addra_int[8], ADDRA[8]); + buf b_dia_0 (dia_int[0], DIA[0]); + buf b_dia_1 (dia_int[1], DIA[1]); + buf b_dia_2 (dia_int[2], DIA[2]); + buf b_dia_3 (dia_int[3], DIA[3]); + buf b_dia_4 (dia_int[4], DIA[4]); + buf b_dia_5 (dia_int[5], DIA[5]); + buf b_dia_6 (dia_int[6], DIA[6]); + buf b_dia_7 (dia_int[7], DIA[7]); + buf b_dia_8 (dia_int[8], DIA[8]); + buf b_dia_9 (dia_int[9], DIA[9]); + buf b_dia_10 (dia_int[10], DIA[10]); + buf b_dia_11 (dia_int[11], DIA[11]); + buf b_dia_12 (dia_int[12], DIA[12]); + buf b_dia_13 (dia_int[13], DIA[13]); + buf b_dia_14 (dia_int[14], DIA[14]); + buf b_dia_15 (dia_int[15], DIA[15]); + buf b_dia_16 (dia_int[16], DIA[16]); + buf b_dia_17 (dia_int[17], DIA[17]); + buf b_dia_18 (dia_int[18], DIA[18]); + buf b_dia_19 (dia_int[19], DIA[19]); + buf b_dia_20 (dia_int[20], DIA[20]); + buf b_dia_21 (dia_int[21], DIA[21]); + buf b_dia_22 (dia_int[22], DIA[22]); + buf b_dia_23 (dia_int[23], DIA[23]); + buf b_dia_24 (dia_int[24], DIA[24]); + buf b_dia_25 (dia_int[25], DIA[25]); + buf b_dia_26 (dia_int[26], DIA[26]); + buf b_dia_27 (dia_int[27], DIA[27]); + buf b_dia_28 (dia_int[28], DIA[28]); + buf b_dia_29 (dia_int[29], DIA[29]); + buf b_dia_30 (dia_int[30], DIA[30]); + buf b_dia_31 (dia_int[31], DIA[31]); + buf b_dipa_0 (dipa_int[0], DIPA[0]); + buf b_dipa_1 (dipa_int[1], DIPA[1]); + buf b_dipa_2 (dipa_int[2], DIPA[2]); + buf b_dipa_3 (dipa_int[3], DIPA[3]); + buf b_ena (ena_int, ENA); + buf b_clka (clka_int, CLKA); + buf b_ssra (ssra_int, SSRA); + buf b_wea (wea_int, WEA); + buf b_addrb_0 (addrb_int[0], ADDRB[0]); + buf b_addrb_1 (addrb_int[1], ADDRB[1]); + buf b_addrb_2 (addrb_int[2], ADDRB[2]); + buf b_addrb_3 (addrb_int[3], ADDRB[3]); + buf b_addrb_4 (addrb_int[4], ADDRB[4]); + buf b_addrb_5 (addrb_int[5], ADDRB[5]); + buf b_addrb_6 (addrb_int[6], ADDRB[6]); + buf b_addrb_7 (addrb_int[7], ADDRB[7]); + buf b_addrb_8 (addrb_int[8], ADDRB[8]); + buf b_dib_0 (dib_int[0], DIB[0]); + buf b_dib_1 (dib_int[1], DIB[1]); + buf b_dib_2 (dib_int[2], DIB[2]); + buf b_dib_3 (dib_int[3], DIB[3]); + buf b_dib_4 (dib_int[4], DIB[4]); + buf b_dib_5 (dib_int[5], DIB[5]); + buf b_dib_6 (dib_int[6], DIB[6]); + buf b_dib_7 (dib_int[7], DIB[7]); + buf b_dib_8 (dib_int[8], DIB[8]); + buf b_dib_9 (dib_int[9], DIB[9]); + buf b_dib_10 (dib_int[10], DIB[10]); + buf b_dib_11 (dib_int[11], DIB[11]); + buf b_dib_12 (dib_int[12], DIB[12]); + buf b_dib_13 (dib_int[13], DIB[13]); + buf b_dib_14 (dib_int[14], DIB[14]); + buf b_dib_15 (dib_int[15], DIB[15]); + buf b_dib_16 (dib_int[16], DIB[16]); + buf b_dib_17 (dib_int[17], DIB[17]); + buf b_dib_18 (dib_int[18], DIB[18]); + buf b_dib_19 (dib_int[19], DIB[19]); + buf b_dib_20 (dib_int[20], DIB[20]); + buf b_dib_21 (dib_int[21], DIB[21]); + buf b_dib_22 (dib_int[22], DIB[22]); + buf b_dib_23 (dib_int[23], DIB[23]); + buf b_dib_24 (dib_int[24], DIB[24]); + buf b_dib_25 (dib_int[25], DIB[25]); + buf b_dib_26 (dib_int[26], DIB[26]); + buf b_dib_27 (dib_int[27], DIB[27]); + buf b_dib_28 (dib_int[28], DIB[28]); + buf b_dib_29 (dib_int[29], DIB[29]); + buf b_dib_30 (dib_int[30], DIB[30]); + buf b_dib_31 (dib_int[31], DIB[31]); + buf b_dipb_0 (dipb_int[0], DIPB[0]); + buf b_dipb_1 (dipb_int[1], DIPB[1]); + buf b_dipb_2 (dipb_int[2], DIPB[2]); + buf b_dipb_3 (dipb_int[3], DIPB[3]); + buf b_enb (enb_int, ENB); + buf b_clkb (clkb_int, CLKB); + buf b_ssrb (ssrb_int, SSRB); + buf b_web (web_int, WEB); + + initial begin + for (count = 0; count < 256; count = count + 1) begin + mem[count] <= INIT_00[count]; + mem[256 * 1 + count] <= INIT_01[count]; + mem[256 * 2 + count] <= INIT_02[count]; + mem[256 * 3 + count] <= INIT_03[count]; + mem[256 * 4 + count] <= INIT_04[count]; + mem[256 * 5 + count] <= INIT_05[count]; + mem[256 * 6 + count] <= INIT_06[count]; + mem[256 * 7 + count] <= INIT_07[count]; + mem[256 * 8 + count] <= INIT_08[count]; + mem[256 * 9 + count] <= INIT_09[count]; + mem[256 * 10 + count] <= INIT_0A[count]; + mem[256 * 11 + count] <= INIT_0B[count]; + mem[256 * 12 + count] <= INIT_0C[count]; + mem[256 * 13 + count] <= INIT_0D[count]; + mem[256 * 14 + count] <= INIT_0E[count]; + mem[256 * 15 + count] <= INIT_0F[count]; + mem[256 * 16 + count] <= INIT_10[count]; + mem[256 * 17 + count] <= INIT_11[count]; + mem[256 * 18 + count] <= INIT_12[count]; + mem[256 * 19 + count] <= INIT_13[count]; + mem[256 * 20 + count] <= INIT_14[count]; + mem[256 * 21 + count] <= INIT_15[count]; + mem[256 * 22 + count] <= INIT_16[count]; + mem[256 * 23 + count] <= INIT_17[count]; + mem[256 * 24 + count] <= INIT_18[count]; + mem[256 * 25 + count] <= INIT_19[count]; + mem[256 * 26 + count] <= INIT_1A[count]; + mem[256 * 27 + count] <= INIT_1B[count]; + mem[256 * 28 + count] <= INIT_1C[count]; + mem[256 * 29 + count] <= INIT_1D[count]; + mem[256 * 30 + count] <= INIT_1E[count]; + mem[256 * 31 + count] <= INIT_1F[count]; + mem[256 * 32 + count] <= INIT_20[count]; + mem[256 * 33 + count] <= INIT_21[count]; + mem[256 * 34 + count] <= INIT_22[count]; + mem[256 * 35 + count] <= INIT_23[count]; + mem[256 * 36 + count] <= INIT_24[count]; + mem[256 * 37 + count] <= INIT_25[count]; + mem[256 * 38 + count] <= INIT_26[count]; + mem[256 * 39 + count] <= INIT_27[count]; + mem[256 * 40 + count] <= INIT_28[count]; + mem[256 * 41 + count] <= INIT_29[count]; + mem[256 * 42 + count] <= INIT_2A[count]; + mem[256 * 43 + count] <= INIT_2B[count]; + mem[256 * 44 + count] <= INIT_2C[count]; + mem[256 * 45 + count] <= INIT_2D[count]; + mem[256 * 46 + count] <= INIT_2E[count]; + mem[256 * 47 + count] <= INIT_2F[count]; + mem[256 * 48 + count] <= INIT_30[count]; + mem[256 * 49 + count] <= INIT_31[count]; + mem[256 * 50 + count] <= INIT_32[count]; + mem[256 * 51 + count] <= INIT_33[count]; + mem[256 * 52 + count] <= INIT_34[count]; + mem[256 * 53 + count] <= INIT_35[count]; + mem[256 * 54 + count] <= INIT_36[count]; + mem[256 * 55 + count] <= INIT_37[count]; + mem[256 * 56 + count] <= INIT_38[count]; + mem[256 * 57 + count] <= INIT_39[count]; + mem[256 * 58 + count] <= INIT_3A[count]; + mem[256 * 59 + count] <= INIT_3B[count]; + mem[256 * 60 + count] <= INIT_3C[count]; + mem[256 * 61 + count] <= INIT_3D[count]; + mem[256 * 62 + count] <= INIT_3E[count]; + mem[256 * 63 + count] <= INIT_3F[count]; + mem[256 * 64 + count] <= INITP_00[count]; + mem[256 * 65 + count] <= INITP_01[count]; + mem[256 * 66 + count] <= INITP_02[count]; + mem[256 * 67 + count] <= INITP_03[count]; + mem[256 * 68 + count] <= INITP_04[count]; + mem[256 * 69 + count] <= INITP_05[count]; + mem[256 * 70 + count] <= INITP_06[count]; + mem[256 * 71 + count] <= INITP_07[count]; + end + address_collision <= 0; + address_collision_a_b <= 0; + address_collision_b_a <= 0; + change_clka <= 0; + change_clkb <= 0; + data_collision <= 0; + data_collision_a_b <= 0; + data_collision_b_a <= 0; + memory_collision <= 0; + memory_collision_a_b <= 0; + memory_collision_b_a <= 0; + setup_all_a_b <= 0; + setup_all_b_a <= 0; + setup_zero <= 0; + setup_rf_a_b <= 0; + setup_rf_b_a <= 0; + end + + assign data_addra_int = addra_int * 32; + assign data_addra_reg = addra_reg * 32; + assign data_addrb_int = addrb_int * 32; + assign data_addrb_reg = addrb_reg * 32; + assign parity_addra_int = 16384 + addra_int * 4; + assign parity_addra_reg = 16384 + addra_reg * 4; + assign parity_addrb_int = 16384 + addrb_int * 4; + assign parity_addrb_reg = 16384 + addrb_reg * 4; + + + initial begin + + display_flag = 1; + + case (SIM_COLLISION_CHECK) + + "NONE" : begin + assign setup_all_a_b = 1'b0; + assign setup_all_b_a = 1'b0; + assign setup_zero = 1'b0; + assign setup_rf_a_b = 1'b0; + assign setup_rf_b_a = 1'b0; + assign display_flag = 0; + end + "WARNING_ONLY" : begin + assign data_collision = 2'b00; + assign data_collision_a_b = 2'b00; + assign data_collision_b_a = 2'b00; + assign memory_collision = 1'b0; + assign memory_collision_a_b = 1'b0; + assign memory_collision_b_a = 1'b0; + end + "GENERATE_X_ONLY" : begin + assign display_flag = 0; + end + "ALL" : ; + default : begin + $display("Attribute Syntax Error : The Attribute SIM_COLLISION_CHECK on RAMB16_S36_S36 instance %m is set to %s. Legal values for this attribute are ALL, NONE, WARNING_ONLY or GENERATE_X_ONLY.", SIM_COLLISION_CHECK); + $finish; + end + + endcase // case(SIM_COLLISION_CHECK) + + end // initial begin + + + always @(posedge clka_int) begin + time_clka = $time; + #0 time_clkb_clka = time_clka - time_clkb; + change_clka = ~change_clka; + end + + always @(posedge clkb_int) begin + time_clkb = $time; + #0 time_clka_clkb = time_clkb - time_clka; + change_clkb = ~change_clkb; + end + + always @(change_clkb) begin + if ((0 < time_clka_clkb) && (time_clka_clkb < SETUP_ALL)) + setup_all_a_b = 1; + if ((0 < time_clka_clkb) && (time_clka_clkb < SETUP_READ_FIRST)) + setup_rf_a_b = 1; + end + + always @(change_clka) begin + if ((0 < time_clkb_clka) && (time_clkb_clka < SETUP_ALL)) + setup_all_b_a = 1; + if ((0 < time_clkb_clka) && (time_clkb_clka < SETUP_READ_FIRST)) + setup_rf_b_a = 1; + end + + always @(change_clkb or change_clka) begin + if ((time_clkb_clka == 0) && (time_clka_clkb == 0)) + setup_zero = 1; + end + + always @(posedge setup_zero) begin + if ((ena_int == 1) && (wea_int == 1) && + (enb_int == 1) && (web_int == 1) && + (data_addra_int[14:5] == data_addrb_int[14:5])) + memory_collision <= 1; + end + + always @(posedge setup_all_a_b or posedge setup_rf_a_b) begin + if ((ena_reg == 1) && (wea_reg == 1) && + (enb_int == 1) && (web_int == 1) && + (data_addra_reg[14:5] == data_addrb_int[14:5])) + memory_collision_a_b <= 1; + end + + always @(posedge setup_all_b_a or posedge setup_rf_b_a) begin + if ((ena_int == 1) && (wea_int == 1) && + (enb_reg == 1) && (web_reg == 1) && + (data_addra_int[14:5] == data_addrb_reg[14:5])) + memory_collision_b_a <= 1; + end + + always @(posedge setup_all_a_b) begin + if (data_addra_reg[14:5] == data_addrb_int[14:5]) begin + if ((ena_reg == 1) && (enb_int == 1)) begin + case ({wr_mode_a, wr_mode_b, wea_reg, web_int}) + 6'b000011 : begin data_collision_a_b <= 2'b11; display_wa_wb; end + 6'b000111 : begin data_collision_a_b <= 2'b11; display_wa_wb; end + 6'b001011 : begin data_collision_a_b <= 2'b10; display_wa_wb; end +// 6'b010011 : begin data_collision_a_b <= 2'b00; display_wa_wb; end +// 6'b010111 : begin data_collision_a_b <= 2'b00; display_wa_wb; end +// 6'b011011 : begin data_collision_a_b <= 2'b00; display_wa_wb; end + 6'b100011 : begin data_collision_a_b <= 2'b01; display_wa_wb; end + 6'b100111 : begin data_collision_a_b <= 2'b01; display_wa_wb; end + 6'b101011 : begin display_wa_wb; end + 6'b000001 : begin data_collision_a_b <= 2'b10; display_ra_wb; end +// 6'b000101 : begin data_collision_a_b <= 2'b00; display_ra_wb; end + 6'b001001 : begin data_collision_a_b <= 2'b10; display_ra_wb; end + 6'b010001 : begin data_collision_a_b <= 2'b10; display_ra_wb; end +// 6'b010101 : begin data_collision_a_b <= 2'b00; display_ra_wb; end + 6'b011001 : begin data_collision_a_b <= 2'b10; display_ra_wb; end + 6'b100001 : begin data_collision_a_b <= 2'b10; display_ra_wb; end +// 6'b100101 : begin data_collision_a_b <= 2'b00; display_ra_wb; end + 6'b101001 : begin data_collision_a_b <= 2'b10; display_ra_wb; end + 6'b000010 : begin data_collision_a_b <= 2'b01; display_wa_rb; end + 6'b000110 : begin data_collision_a_b <= 2'b01; display_wa_rb; end + 6'b001010 : begin data_collision_a_b <= 2'b01; display_wa_rb; end +// 6'b010010 : begin data_collision_a_b <= 2'b00; display_wa_rb; end +// 6'b010110 : begin data_collision_a_b <= 2'b00; display_wa_rb; end +// 6'b011010 : begin data_collision_a_b <= 2'b00; display_wa_rb; end + 6'b100010 : begin data_collision_a_b <= 2'b01; display_wa_rb; end + 6'b100110 : begin data_collision_a_b <= 2'b01; display_wa_rb; end + 6'b101010 : begin data_collision_a_b <= 2'b01; display_wa_rb; end + endcase + end + end + setup_all_a_b <= 0; + end + + + always @(posedge setup_all_b_a) begin + if (data_addra_int[14:5] == data_addrb_reg[14:5]) begin + if ((ena_int == 1) && (enb_reg == 1)) begin + case ({wr_mode_a, wr_mode_b, wea_int, web_reg}) + 6'b000011 : begin data_collision_b_a <= 2'b11; display_wa_wb; end +// 6'b000111 : begin data_collision_b_a <= 2'b00; display_wa_wb; end + 6'b001011 : begin data_collision_b_a <= 2'b10; display_wa_wb; end + 6'b010011 : begin data_collision_b_a <= 2'b11; display_wa_wb; end +// 6'b010111 : begin data_collision_b_a <= 2'b00; display_wa_wb; end + 6'b011011 : begin data_collision_b_a <= 2'b10; display_wa_wb; end + 6'b100011 : begin data_collision_b_a <= 2'b01; display_wa_wb; end + 6'b100111 : begin data_collision_b_a <= 2'b01; display_wa_wb; end + 6'b101011 : begin display_wa_wb; end + 6'b000001 : begin data_collision_b_a <= 2'b10; display_ra_wb; end + 6'b000101 : begin data_collision_b_a <= 2'b10; display_ra_wb; end + 6'b001001 : begin data_collision_b_a <= 2'b10; display_ra_wb; end + 6'b010001 : begin data_collision_b_a <= 2'b10; display_ra_wb; end + 6'b010101 : begin data_collision_b_a <= 2'b10; display_ra_wb; end + 6'b011001 : begin data_collision_b_a <= 2'b10; display_ra_wb; end + 6'b100001 : begin data_collision_b_a <= 2'b10; display_ra_wb; end + 6'b100101 : begin data_collision_b_a <= 2'b10; display_ra_wb; end + 6'b101001 : begin data_collision_b_a <= 2'b10; display_ra_wb; end + 6'b000010 : begin data_collision_b_a <= 2'b01; display_wa_rb; end + 6'b000110 : begin data_collision_b_a <= 2'b01; display_wa_rb; end + 6'b001010 : begin data_collision_b_a <= 2'b01; display_wa_rb; end +// 6'b010010 : begin data_collision_b_a <= 2'b00; display_wa_rb; end +// 6'b010110 : begin data_collision_b_a <= 2'b00; display_wa_rb; end +// 6'b011010 : begin data_collision_b_a <= 2'b00; display_wa_rb; end + 6'b100010 : begin data_collision_b_a <= 2'b01; display_wa_rb; end + 6'b100110 : begin data_collision_b_a <= 2'b01; display_wa_rb; end + 6'b101010 : begin data_collision_b_a <= 2'b01; display_wa_rb; end + endcase + end + end + setup_all_b_a <= 0; + end + + + always @(posedge setup_zero) begin + if (data_addra_int[14:5] == data_addrb_int[14:5]) begin + if ((ena_int == 1) && (enb_int == 1)) begin + case ({wr_mode_a, wr_mode_b, wea_int, web_int}) + 6'b000011 : begin data_collision <= 2'b11; display_wa_wb; end + 6'b000111 : begin data_collision <= 2'b11; display_wa_wb; end + 6'b001011 : begin data_collision <= 2'b10; display_wa_wb; end + 6'b010011 : begin data_collision <= 2'b11; display_wa_wb; end + 6'b010111 : begin data_collision <= 2'b11; display_wa_wb; end + 6'b011011 : begin data_collision <= 2'b10; display_wa_wb; end + 6'b100011 : begin data_collision <= 2'b01; display_wa_wb; end + 6'b100111 : begin data_collision <= 2'b01; display_wa_wb; end + 6'b101011 : begin display_wa_wb; end + 6'b000001 : begin data_collision <= 2'b10; display_ra_wb; end +// 6'b000101 : begin data_collision <= 2'b00; display_ra_wb; end + 6'b001001 : begin data_collision <= 2'b10; display_ra_wb; end + 6'b010001 : begin data_collision <= 2'b10; display_ra_wb; end +// 6'b010101 : begin data_collision <= 2'b00; display_ra_wb; end + 6'b011001 : begin data_collision <= 2'b10; display_ra_wb; end + 6'b100001 : begin data_collision <= 2'b10; display_ra_wb; end +// 6'b100101 : begin data_collision <= 2'b00; display_ra_wb; end + 6'b101001 : begin data_collision <= 2'b10; display_ra_wb; end + 6'b000010 : begin data_collision <= 2'b01; display_wa_rb; end + 6'b000110 : begin data_collision <= 2'b01; display_wa_rb; end + 6'b001010 : begin data_collision <= 2'b01; display_wa_rb; end +// 6'b010010 : begin data_collision <= 2'b00; display_wa_rb; end +// 6'b010110 : begin data_collision <= 2'b00; display_wa_rb; end +// 6'b011010 : begin data_collision <= 2'b00; display_wa_rb; end + 6'b100010 : begin data_collision <= 2'b01; display_wa_rb; end + 6'b100110 : begin data_collision <= 2'b01; display_wa_rb; end + 6'b101010 : begin data_collision <= 2'b01; display_wa_rb; end + endcase + end + end + setup_zero <= 0; + end + + task display_ra_wb; + begin + if (display_flag) + $display("Memory Collision Error on RAMB16_S36_S36:%m at simulation time %.3f ns\nA read was performed on address %h (hex) of Port A while a write was requested to the same address on Port B. The write will be successful however the read value on Port A is unknown until the next CLKA cycle.", $time/1000.0, addra_int); + end + endtask + + task display_wa_rb; + begin + if (display_flag) + $display("Memory Collision Error on RAMB16_S36_S36:%m at simulation time %.3f ns\nA read was performed on address %h (hex) of Port B while a write was requested to the same address on Port A. The write will be successful however the read value on Port B is unknown until the next CLKB cycle.", $time/1000.0, addrb_int); + end + endtask + + task display_wa_wb; + begin + if (display_flag) + $display("Memory Collision Error on RAMB16_S36_S36:%m at simulation time %.3f ns\nA write was requested to the same address simultaneously at both Port A and Port B of the RAM. The contents written to the RAM at address location %h (hex) of Port A and address location %h (hex) of Port B are unknown.", $time/1000.0, addra_int, addrb_int); + end + endtask + + + always @(posedge setup_rf_a_b) begin + if (data_addra_reg[14:5] == data_addrb_int[14:5]) begin + if ((ena_reg == 1) && (enb_int == 1)) begin + case ({wr_mode_a, wr_mode_b, wea_reg, web_int}) +// 6'b000011 : begin data_collision_a_b <= 2'b00; display_wa_wb; end +// 6'b000111 : begin data_collision_a_b <= 2'b00; display_wa_wb; end +// 6'b001011 : begin data_collision_a_b <= 2'b00; display_wa_wb; end + 6'b010011 : begin data_collision_a_b <= 2'b11; display_wa_wb; end + 6'b010111 : begin data_collision_a_b <= 2'b11; display_wa_wb; end + 6'b011011 : begin data_collision_a_b <= 2'b10; display_wa_wb; end +// 6'b100011 : begin data_collision_a_b <= 2'b00; display_wa_wb; end +// 6'b100111 : begin data_collision_a_b <= 2'b00; display_wa_wb; end +// 6'b101011 : begin data_collision_a_b <= 2'b00; display_wa_wb; end +// 6'b000001 : begin data_collision_a_b <= 2'b00; display_ra_wb; end +// 6'b000101 : begin data_collision_a_b <= 2'b00; display_ra_wb; end +// 6'b001001 : begin data_collision_a_b <= 2'b00; display_ra_wb; end +// 6'b010001 : begin data_collision_a_b <= 2'b00; display_ra_wb; end +// 6'b010101 : begin data_collision_a_b <= 2'b00; display_ra_wb; end +// 6'b011001 : begin data_collision_a_b <= 2'b00; display_ra_wb; end +// 6'b100001 : begin data_collision_a_b <= 2'b00; display_ra_wb; end +// 6'b100101 : begin data_collision_a_b <= 2'b00; display_ra_wb; end +// 6'b101001 : begin data_collision_a_b <= 2'b00; display_ra_wb; end +// 6'b000010 : begin data_collision_a_b <= 2'b00; display_wa_rb; end +// 6'b000110 : begin data_collision_a_b <= 2'b00; display_wa_rb; end +// 6'b001010 : begin data_collision_a_b <= 2'b00; display_wa_rb; end + 6'b010010 : begin data_collision_a_b <= 2'b01; display_wa_rb; end + 6'b010110 : begin data_collision_a_b <= 2'b01; display_wa_rb; end + 6'b011010 : begin data_collision_a_b <= 2'b01; display_wa_rb; end +// 6'b100010 : begin data_collision_a_b <= 2'b00; display_wa_rb; end +// 6'b100110 : begin data_collision_a_b <= 2'b00; display_wa_rb; end +// 6'b101010 : begin data_collision_a_b <= 2'b00; display_wa_rb; end + endcase + end + end + setup_rf_a_b <= 0; + end + + + always @(posedge setup_rf_b_a) begin + if (data_addra_int[14:5] == data_addrb_reg[14:5]) begin + if ((ena_int == 1) && (enb_reg == 1)) begin + case ({wr_mode_a, wr_mode_b, wea_int, web_reg}) +// 6'b000011 : begin data_collision_b_a <= 2'b00; display_wa_wb; end + 6'b000111 : begin data_collision_b_a <= 2'b11; display_wa_wb; end +// 6'b001011 : begin data_collision_b_a <= 2'b00; display_wa_wb; end +// 6'b010011 : begin data_collision_b_a <= 2'b00; display_wa_wb; end + 6'b010111 : begin data_collision_b_a <= 2'b11; display_wa_wb; end +// 6'b011011 : begin data_collision_b_a <= 2'b00; display_wa_wb; end +// 6'b100011 : begin data_collision_b_a <= 2'b00; display_wa_wb; end + 6'b100111 : begin data_collision_b_a <= 2'b01; display_wa_wb; end +// 6'b101011 : begin data_collision_b_a <= 2'b00; display_wa_wb; end +// 6'b000001 : begin data_collision_b_a <= 2'b00; display_ra_wb; end + 6'b000101 : begin data_collision_b_a <= 2'b10; display_ra_wb; end +// 6'b001001 : begin data_collision_b_a <= 2'b00; display_ra_wb; end +// 6'b010001 : begin data_collision_b_a <= 2'b00; display_ra_wb; end + 6'b010101 : begin data_collision_b_a <= 2'b10; display_ra_wb; end +// 6'b011001 : begin data_collision_b_a <= 2'b00; display_ra_wb; end +// 6'b100001 : begin data_collision_b_a <= 2'b00; display_ra_wb; end + 6'b100101 : begin data_collision_b_a <= 2'b10; display_ra_wb; end +// 6'b101001 : begin data_collision_b_a <= 2'b00; display_ra_wb; end +// 6'b000010 : begin data_collision_b_a <= 2'b00; display_wa_rb; end +// 6'b000110 : begin data_collision_b_a <= 2'b00; display_wa_rb; end +// 6'b001010 : begin data_collision_b_a <= 2'b00; display_wa_rb; end +// 6'b010010 : begin data_collision_b_a <= 2'b00; display_wa_rb; end +// 6'b010110 : begin data_collision_b_a <= 2'b00; display_wa_rb; end +// 6'b011010 : begin data_collision_b_a <= 2'b00; display_wa_rb; end +// 6'b100010 : begin data_collision_b_a <= 2'b00; display_wa_rb; end +// 6'b100110 : begin data_collision_b_a <= 2'b00; display_wa_rb; end +// 6'b101010 : begin data_collision_b_a <= 2'b00; display_wa_rb; end + endcase + end + end + setup_rf_b_a <= 0; + end + + + always @(posedge clka_int) begin + addra_reg <= addra_int; + ena_reg <= ena_int; + ssra_reg <= ssra_int; + wea_reg <= wea_int; + end + + always @(posedge clkb_int) begin + addrb_reg <= addrb_int; + enb_reg <= enb_int; + ssrb_reg <= ssrb_int; + web_reg <= web_int; + end + + // Data + always @(posedge memory_collision) begin + for (dmi = 0; dmi < 32; dmi = dmi + 1) begin + mem[data_addra_int + dmi] <= 1'bX; + end + memory_collision <= 0; + end + + always @(posedge memory_collision_a_b) begin + for (dmi = 0; dmi < 32; dmi = dmi + 1) begin + mem[data_addra_reg + dmi] <= 1'bX; + end + memory_collision_a_b <= 0; + end + + always @(posedge memory_collision_b_a) begin + for (dmi = 0; dmi < 32; dmi = dmi + 1) begin + mem[data_addra_int + dmi] <= 1'bX; + end + memory_collision_b_a <= 0; + end + + always @(posedge data_collision[1]) begin + if (ssra_int == 0) begin + doa_out <= 32'bX; + end + data_collision[1] <= 0; + end + + always @(posedge data_collision[0]) begin + if (ssrb_int == 0) begin + dob_out <= 32'bX; + end + data_collision[0] <= 0; + end + + always @(posedge data_collision_a_b[1]) begin + if (ssra_reg == 0) begin + doa_out <= 32'bX; + end + data_collision_a_b[1] <= 0; + end + + always @(posedge data_collision_a_b[0]) begin + if (ssrb_int == 0) begin + dob_out <= 32'bX; + end + data_collision_a_b[0] <= 0; + end + + always @(posedge data_collision_b_a[1]) begin + if (ssra_int == 0) begin + doa_out <= 32'bX; + end + data_collision_b_a[1] <= 0; + end + + always @(posedge data_collision_b_a[0]) begin + if (ssrb_reg == 0) begin + dob_out <= 32'bX; + end + data_collision_b_a[0] <= 0; + end + + + // Parity + always @(posedge memory_collision) begin + for (pmi = 0; pmi < 4; pmi = pmi + 1) begin + mem[parity_addra_int + pmi] <= 1'bX; + end + end + + always @(posedge memory_collision_a_b) begin + for (pmi = 0; pmi < 4; pmi = pmi + 1) begin + mem[parity_addra_reg + pmi] <= 1'bX; + end + end + + always @(posedge memory_collision_b_a) begin + for (pmi = 0; pmi < 4; pmi = pmi + 1) begin + mem[parity_addra_int + pmi] <= 1'bX; + end + end + + always @(posedge data_collision[1]) begin + if (ssra_int == 0) begin + dopa_out <= 4'bX; + end + end + + always @(posedge data_collision[0]) begin + if (ssrb_int == 0) begin + dopb_out <= 4'bX; + end + end + + always @(posedge data_collision_a_b[1]) begin + if (ssra_reg == 0) begin + dopa_out <= 4'bX; + end + end + + always @(posedge data_collision_a_b[0]) begin + if (ssrb_int == 0) begin + dopb_out <= 4'bX; + end + end + + always @(posedge data_collision_b_a[1]) begin + if (ssra_int == 0) begin + dopa_out <= 4'bX; + end + end + + always @(posedge data_collision_b_a[0]) begin + if (ssrb_reg == 0) begin + dopb_out <= 4'bX; + end + end + + + initial begin + case (WRITE_MODE_A) + "WRITE_FIRST" : wr_mode_a <= 2'b00; + "READ_FIRST" : wr_mode_a <= 2'b01; + "NO_CHANGE" : wr_mode_a <= 2'b10; + default : begin + $display("Attribute Syntax Error : The Attribute WRITE_MODE_A on RAMB16_S36_S36 instance %m is set to %s. Legal values for this attribute are WRITE_FIRST, READ_FIRST or NO_CHANGE.", WRITE_MODE_A); + $finish; + end + endcase + end + + initial begin + case (WRITE_MODE_B) + "WRITE_FIRST" : wr_mode_b <= 2'b00; + "READ_FIRST" : wr_mode_b <= 2'b01; + "NO_CHANGE" : wr_mode_b <= 2'b10; + default : begin + $display("Attribute Syntax Error : The Attribute WRITE_MODE_B on RAMB16_S36_S36 instance %m is set to %s. Legal values for this attribute are WRITE_FIRST, READ_FIRST or NO_CHANGE.", WRITE_MODE_B); + $finish; + end + endcase + end + + // Port A + always @(posedge clka_int) begin + if (ena_int == 1'b1) begin + if (ssra_int == 1'b1) begin + doa_out[0] <= SRVAL_A[0]; + doa_out[1] <= SRVAL_A[1]; + doa_out[2] <= SRVAL_A[2]; + doa_out[3] <= SRVAL_A[3]; + doa_out[4] <= SRVAL_A[4]; + doa_out[5] <= SRVAL_A[5]; + doa_out[6] <= SRVAL_A[6]; + doa_out[7] <= SRVAL_A[7]; + doa_out[8] <= SRVAL_A[8]; + doa_out[9] <= SRVAL_A[9]; + doa_out[10] <= SRVAL_A[10]; + doa_out[11] <= SRVAL_A[11]; + doa_out[12] <= SRVAL_A[12]; + doa_out[13] <= SRVAL_A[13]; + doa_out[14] <= SRVAL_A[14]; + doa_out[15] <= SRVAL_A[15]; + doa_out[16] <= SRVAL_A[16]; + doa_out[17] <= SRVAL_A[17]; + doa_out[18] <= SRVAL_A[18]; + doa_out[19] <= SRVAL_A[19]; + doa_out[20] <= SRVAL_A[20]; + doa_out[21] <= SRVAL_A[21]; + doa_out[22] <= SRVAL_A[22]; + doa_out[23] <= SRVAL_A[23]; + doa_out[24] <= SRVAL_A[24]; + doa_out[25] <= SRVAL_A[25]; + doa_out[26] <= SRVAL_A[26]; + doa_out[27] <= SRVAL_A[27]; + doa_out[28] <= SRVAL_A[28]; + doa_out[29] <= SRVAL_A[29]; + doa_out[30] <= SRVAL_A[30]; + doa_out[31] <= SRVAL_A[31]; + dopa_out[0] <= SRVAL_A[32]; + dopa_out[1] <= SRVAL_A[33]; + dopa_out[2] <= SRVAL_A[34]; + dopa_out[3] <= SRVAL_A[35]; + end + else begin + if (wea_int == 1'b1) begin + if (wr_mode_a == 2'b00) begin + doa_out <= dia_int; + dopa_out <= dipa_int; + end + else if (wr_mode_a == 2'b01) begin + doa_out[0] <= mem[data_addra_int + 0]; + doa_out[1] <= mem[data_addra_int + 1]; + doa_out[2] <= mem[data_addra_int + 2]; + doa_out[3] <= mem[data_addra_int + 3]; + doa_out[4] <= mem[data_addra_int + 4]; + doa_out[5] <= mem[data_addra_int + 5]; + doa_out[6] <= mem[data_addra_int + 6]; + doa_out[7] <= mem[data_addra_int + 7]; + doa_out[8] <= mem[data_addra_int + 8]; + doa_out[9] <= mem[data_addra_int + 9]; + doa_out[10] <= mem[data_addra_int + 10]; + doa_out[11] <= mem[data_addra_int + 11]; + doa_out[12] <= mem[data_addra_int + 12]; + doa_out[13] <= mem[data_addra_int + 13]; + doa_out[14] <= mem[data_addra_int + 14]; + doa_out[15] <= mem[data_addra_int + 15]; + doa_out[16] <= mem[data_addra_int + 16]; + doa_out[17] <= mem[data_addra_int + 17]; + doa_out[18] <= mem[data_addra_int + 18]; + doa_out[19] <= mem[data_addra_int + 19]; + doa_out[20] <= mem[data_addra_int + 20]; + doa_out[21] <= mem[data_addra_int + 21]; + doa_out[22] <= mem[data_addra_int + 22]; + doa_out[23] <= mem[data_addra_int + 23]; + doa_out[24] <= mem[data_addra_int + 24]; + doa_out[25] <= mem[data_addra_int + 25]; + doa_out[26] <= mem[data_addra_int + 26]; + doa_out[27] <= mem[data_addra_int + 27]; + doa_out[28] <= mem[data_addra_int + 28]; + doa_out[29] <= mem[data_addra_int + 29]; + doa_out[30] <= mem[data_addra_int + 30]; + doa_out[31] <= mem[data_addra_int + 31]; + dopa_out[0] <= mem[parity_addra_int + 0]; + dopa_out[1] <= mem[parity_addra_int + 1]; + dopa_out[2] <= mem[parity_addra_int + 2]; + dopa_out[3] <= mem[parity_addra_int + 3]; + end + end + else begin + doa_out[0] <= mem[data_addra_int + 0]; + doa_out[1] <= mem[data_addra_int + 1]; + doa_out[2] <= mem[data_addra_int + 2]; + doa_out[3] <= mem[data_addra_int + 3]; + doa_out[4] <= mem[data_addra_int + 4]; + doa_out[5] <= mem[data_addra_int + 5]; + doa_out[6] <= mem[data_addra_int + 6]; + doa_out[7] <= mem[data_addra_int + 7]; + doa_out[8] <= mem[data_addra_int + 8]; + doa_out[9] <= mem[data_addra_int + 9]; + doa_out[10] <= mem[data_addra_int + 10]; + doa_out[11] <= mem[data_addra_int + 11]; + doa_out[12] <= mem[data_addra_int + 12]; + doa_out[13] <= mem[data_addra_int + 13]; + doa_out[14] <= mem[data_addra_int + 14]; + doa_out[15] <= mem[data_addra_int + 15]; + doa_out[16] <= mem[data_addra_int + 16]; + doa_out[17] <= mem[data_addra_int + 17]; + doa_out[18] <= mem[data_addra_int + 18]; + doa_out[19] <= mem[data_addra_int + 19]; + doa_out[20] <= mem[data_addra_int + 20]; + doa_out[21] <= mem[data_addra_int + 21]; + doa_out[22] <= mem[data_addra_int + 22]; + doa_out[23] <= mem[data_addra_int + 23]; + doa_out[24] <= mem[data_addra_int + 24]; + doa_out[25] <= mem[data_addra_int + 25]; + doa_out[26] <= mem[data_addra_int + 26]; + doa_out[27] <= mem[data_addra_int + 27]; + doa_out[28] <= mem[data_addra_int + 28]; + doa_out[29] <= mem[data_addra_int + 29]; + doa_out[30] <= mem[data_addra_int + 30]; + doa_out[31] <= mem[data_addra_int + 31]; + dopa_out[0] <= mem[parity_addra_int + 0]; + dopa_out[1] <= mem[parity_addra_int + 1]; + dopa_out[2] <= mem[parity_addra_int + 2]; + dopa_out[3] <= mem[parity_addra_int + 3]; + end + end + end + end + + always @(posedge clka_int) begin + if (ena_int == 1'b1 && wea_int == 1'b1) begin + mem[data_addra_int + 0] <= dia_int[0]; + mem[data_addra_int + 1] <= dia_int[1]; + mem[data_addra_int + 2] <= dia_int[2]; + mem[data_addra_int + 3] <= dia_int[3]; + mem[data_addra_int + 4] <= dia_int[4]; + mem[data_addra_int + 5] <= dia_int[5]; + mem[data_addra_int + 6] <= dia_int[6]; + mem[data_addra_int + 7] <= dia_int[7]; + mem[data_addra_int + 8] <= dia_int[8]; + mem[data_addra_int + 9] <= dia_int[9]; + mem[data_addra_int + 10] <= dia_int[10]; + mem[data_addra_int + 11] <= dia_int[11]; + mem[data_addra_int + 12] <= dia_int[12]; + mem[data_addra_int + 13] <= dia_int[13]; + mem[data_addra_int + 14] <= dia_int[14]; + mem[data_addra_int + 15] <= dia_int[15]; + mem[data_addra_int + 16] <= dia_int[16]; + mem[data_addra_int + 17] <= dia_int[17]; + mem[data_addra_int + 18] <= dia_int[18]; + mem[data_addra_int + 19] <= dia_int[19]; + mem[data_addra_int + 20] <= dia_int[20]; + mem[data_addra_int + 21] <= dia_int[21]; + mem[data_addra_int + 22] <= dia_int[22]; + mem[data_addra_int + 23] <= dia_int[23]; + mem[data_addra_int + 24] <= dia_int[24]; + mem[data_addra_int + 25] <= dia_int[25]; + mem[data_addra_int + 26] <= dia_int[26]; + mem[data_addra_int + 27] <= dia_int[27]; + mem[data_addra_int + 28] <= dia_int[28]; + mem[data_addra_int + 29] <= dia_int[29]; + mem[data_addra_int + 30] <= dia_int[30]; + mem[data_addra_int + 31] <= dia_int[31]; + mem[parity_addra_int + 0] <= dipa_int[0]; + mem[parity_addra_int + 1] <= dipa_int[1]; + mem[parity_addra_int + 2] <= dipa_int[2]; + mem[parity_addra_int + 3] <= dipa_int[3]; + end + end + + // Port B + always @(posedge clkb_int) begin + if (enb_int == 1'b1) begin + if (ssrb_int == 1'b1) begin + dob_out[0] <= SRVAL_B[0]; + dob_out[1] <= SRVAL_B[1]; + dob_out[2] <= SRVAL_B[2]; + dob_out[3] <= SRVAL_B[3]; + dob_out[4] <= SRVAL_B[4]; + dob_out[5] <= SRVAL_B[5]; + dob_out[6] <= SRVAL_B[6]; + dob_out[7] <= SRVAL_B[7]; + dob_out[8] <= SRVAL_B[8]; + dob_out[9] <= SRVAL_B[9]; + dob_out[10] <= SRVAL_B[10]; + dob_out[11] <= SRVAL_B[11]; + dob_out[12] <= SRVAL_B[12]; + dob_out[13] <= SRVAL_B[13]; + dob_out[14] <= SRVAL_B[14]; + dob_out[15] <= SRVAL_B[15]; + dob_out[16] <= SRVAL_B[16]; + dob_out[17] <= SRVAL_B[17]; + dob_out[18] <= SRVAL_B[18]; + dob_out[19] <= SRVAL_B[19]; + dob_out[20] <= SRVAL_B[20]; + dob_out[21] <= SRVAL_B[21]; + dob_out[22] <= SRVAL_B[22]; + dob_out[23] <= SRVAL_B[23]; + dob_out[24] <= SRVAL_B[24]; + dob_out[25] <= SRVAL_B[25]; + dob_out[26] <= SRVAL_B[26]; + dob_out[27] <= SRVAL_B[27]; + dob_out[28] <= SRVAL_B[28]; + dob_out[29] <= SRVAL_B[29]; + dob_out[30] <= SRVAL_B[30]; + dob_out[31] <= SRVAL_B[31]; + dopb_out[0] <= SRVAL_B[32]; + dopb_out[1] <= SRVAL_B[33]; + dopb_out[2] <= SRVAL_B[34]; + dopb_out[3] <= SRVAL_B[35]; + end + else begin + if (web_int == 1'b1) begin + if (wr_mode_b == 2'b00) begin + dob_out <= dib_int; + dopb_out <= dipb_int; + end + else if (wr_mode_b == 2'b01) begin + dob_out[0] <= mem[data_addrb_int + 0]; + dob_out[1] <= mem[data_addrb_int + 1]; + dob_out[2] <= mem[data_addrb_int + 2]; + dob_out[3] <= mem[data_addrb_int + 3]; + dob_out[4] <= mem[data_addrb_int + 4]; + dob_out[5] <= mem[data_addrb_int + 5]; + dob_out[6] <= mem[data_addrb_int + 6]; + dob_out[7] <= mem[data_addrb_int + 7]; + dob_out[8] <= mem[data_addrb_int + 8]; + dob_out[9] <= mem[data_addrb_int + 9]; + dob_out[10] <= mem[data_addrb_int + 10]; + dob_out[11] <= mem[data_addrb_int + 11]; + dob_out[12] <= mem[data_addrb_int + 12]; + dob_out[13] <= mem[data_addrb_int + 13]; + dob_out[14] <= mem[data_addrb_int + 14]; + dob_out[15] <= mem[data_addrb_int + 15]; + dob_out[16] <= mem[data_addrb_int + 16]; + dob_out[17] <= mem[data_addrb_int + 17]; + dob_out[18] <= mem[data_addrb_int + 18]; + dob_out[19] <= mem[data_addrb_int + 19]; + dob_out[20] <= mem[data_addrb_int + 20]; + dob_out[21] <= mem[data_addrb_int + 21]; + dob_out[22] <= mem[data_addrb_int + 22]; + dob_out[23] <= mem[data_addrb_int + 23]; + dob_out[24] <= mem[data_addrb_int + 24]; + dob_out[25] <= mem[data_addrb_int + 25]; + dob_out[26] <= mem[data_addrb_int + 26]; + dob_out[27] <= mem[data_addrb_int + 27]; + dob_out[28] <= mem[data_addrb_int + 28]; + dob_out[29] <= mem[data_addrb_int + 29]; + dob_out[30] <= mem[data_addrb_int + 30]; + dob_out[31] <= mem[data_addrb_int + 31]; + dopb_out[0] <= mem[parity_addrb_int + 0]; + dopb_out[1] <= mem[parity_addrb_int + 1]; + dopb_out[2] <= mem[parity_addrb_int + 2]; + dopb_out[3] <= mem[parity_addrb_int + 3]; + end + end + else begin + dob_out[0] <= mem[data_addrb_int + 0]; + dob_out[1] <= mem[data_addrb_int + 1]; + dob_out[2] <= mem[data_addrb_int + 2]; + dob_out[3] <= mem[data_addrb_int + 3]; + dob_out[4] <= mem[data_addrb_int + 4]; + dob_out[5] <= mem[data_addrb_int + 5]; + dob_out[6] <= mem[data_addrb_int + 6]; + dob_out[7] <= mem[data_addrb_int + 7]; + dob_out[8] <= mem[data_addrb_int + 8]; + dob_out[9] <= mem[data_addrb_int + 9]; + dob_out[10] <= mem[data_addrb_int + 10]; + dob_out[11] <= mem[data_addrb_int + 11]; + dob_out[12] <= mem[data_addrb_int + 12]; + dob_out[13] <= mem[data_addrb_int + 13]; + dob_out[14] <= mem[data_addrb_int + 14]; + dob_out[15] <= mem[data_addrb_int + 15]; + dob_out[16] <= mem[data_addrb_int + 16]; + dob_out[17] <= mem[data_addrb_int + 17]; + dob_out[18] <= mem[data_addrb_int + 18]; + dob_out[19] <= mem[data_addrb_int + 19]; + dob_out[20] <= mem[data_addrb_int + 20]; + dob_out[21] <= mem[data_addrb_int + 21]; + dob_out[22] <= mem[data_addrb_int + 22]; + dob_out[23] <= mem[data_addrb_int + 23]; + dob_out[24] <= mem[data_addrb_int + 24]; + dob_out[25] <= mem[data_addrb_int + 25]; + dob_out[26] <= mem[data_addrb_int + 26]; + dob_out[27] <= mem[data_addrb_int + 27]; + dob_out[28] <= mem[data_addrb_int + 28]; + dob_out[29] <= mem[data_addrb_int + 29]; + dob_out[30] <= mem[data_addrb_int + 30]; + dob_out[31] <= mem[data_addrb_int + 31]; + dopb_out[0] <= mem[parity_addrb_int + 0]; + dopb_out[1] <= mem[parity_addrb_int + 1]; + dopb_out[2] <= mem[parity_addrb_int + 2]; + dopb_out[3] <= mem[parity_addrb_int + 3]; + end + end + end + end + + always @(posedge clkb_int) begin + if (enb_int == 1'b1 && web_int == 1'b1) begin + mem[data_addrb_int + 0] <= dib_int[0]; + mem[data_addrb_int + 1] <= dib_int[1]; + mem[data_addrb_int + 2] <= dib_int[2]; + mem[data_addrb_int + 3] <= dib_int[3]; + mem[data_addrb_int + 4] <= dib_int[4]; + mem[data_addrb_int + 5] <= dib_int[5]; + mem[data_addrb_int + 6] <= dib_int[6]; + mem[data_addrb_int + 7] <= dib_int[7]; + mem[data_addrb_int + 8] <= dib_int[8]; + mem[data_addrb_int + 9] <= dib_int[9]; + mem[data_addrb_int + 10] <= dib_int[10]; + mem[data_addrb_int + 11] <= dib_int[11]; + mem[data_addrb_int + 12] <= dib_int[12]; + mem[data_addrb_int + 13] <= dib_int[13]; + mem[data_addrb_int + 14] <= dib_int[14]; + mem[data_addrb_int + 15] <= dib_int[15]; + mem[data_addrb_int + 16] <= dib_int[16]; + mem[data_addrb_int + 17] <= dib_int[17]; + mem[data_addrb_int + 18] <= dib_int[18]; + mem[data_addrb_int + 19] <= dib_int[19]; + mem[data_addrb_int + 20] <= dib_int[20]; + mem[data_addrb_int + 21] <= dib_int[21]; + mem[data_addrb_int + 22] <= dib_int[22]; + mem[data_addrb_int + 23] <= dib_int[23]; + mem[data_addrb_int + 24] <= dib_int[24]; + mem[data_addrb_int + 25] <= dib_int[25]; + mem[data_addrb_int + 26] <= dib_int[26]; + mem[data_addrb_int + 27] <= dib_int[27]; + mem[data_addrb_int + 28] <= dib_int[28]; + mem[data_addrb_int + 29] <= dib_int[29]; + mem[data_addrb_int + 30] <= dib_int[30]; + mem[data_addrb_int + 31] <= dib_int[31]; + mem[parity_addrb_int + 0] <= dipb_int[0]; + mem[parity_addrb_int + 1] <= dipb_int[1]; + mem[parity_addrb_int + 2] <= dipb_int[2]; + mem[parity_addrb_int + 3] <= dipb_int[3]; + end + end + + specify + (CLKA *> DOA) = (100, 100); + (CLKA *> DOPA) = (100, 100); + (CLKB *> DOB) = (100, 100); + (CLKB *> DOPB) = (100, 100); + endspecify + +endmodule + +`else + +// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/unisims/RAMB16_S36_S36.v,v 1.10 2007/02/22 01:58:06 wloo Exp $ +/////////////////////////////////////////////////////////////////////////////// +// Copyright (c) 1995/2005 Xilinx, Inc. +// All Right Reserved. +/////////////////////////////////////////////////////////////////////////////// +// ____ ____ +// / /\/ / +// /___/ \ / Vendor : Xilinx +// \ \ \/ Version : 10.1 +// \ \ Description : Xilinx Timing Simulation Library Component +// / / 16K-Bit Data and 2K-Bit Parity Dual Port Block RAM +// /___/ /\ Filename : RAMB16_S36_S36.v +// \ \ / \ Timestamp : Thu Mar 10 16:44:01 PST 2005 +// \___\/\___\ +// +// Revision: +// 03/23/04 - Initial version. +// 03/10/05 - Initialized outputs. +// 02/21/07 - Fixed parameter SIM_COLLISION_CHECK (CR 433281). +// End Revision + +`timescale 1 ps/1 ps + +module RAMB16_S36_S36 (DOA, DOB, DOPA, DOPB, ADDRA, ADDRB, CLKA, CLKB, DIA, DIB, DIPA, DIPB, ENA, ENB, SSRA, SSRB, WEA, WEB); + + parameter INIT_A = 36'h0; + parameter INIT_B = 36'h0; + parameter SRVAL_A = 36'h0; + parameter SRVAL_B = 36'h0; + parameter WRITE_MODE_A = "WRITE_FIRST"; + parameter WRITE_MODE_B = "WRITE_FIRST"; + parameter SIM_COLLISION_CHECK = "ALL"; + localparam SETUP_ALL = 1000; + localparam SETUP_READ_FIRST = 3000; + + parameter INIT_00 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_01 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_02 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_03 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_04 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_05 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_06 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_07 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_08 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_09 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_0A = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_0B = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_0C = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_0D = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_0E = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_0F = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_10 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_11 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_12 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_13 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_14 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_15 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_16 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_17 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_18 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_19 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_1A = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_1B = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_1C = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_1D = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_1E = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_1F = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_20 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_21 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_22 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_23 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_24 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_25 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_26 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_27 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_28 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_29 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_2A = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_2B = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_2C = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_2D = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_2E = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_2F = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_30 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_31 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_32 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_33 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_34 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_35 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_36 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_37 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_38 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_39 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_3A = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_3B = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_3C = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_3D = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_3E = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INIT_3F = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INITP_00 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INITP_01 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INITP_02 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INITP_03 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INITP_04 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INITP_05 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INITP_06 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + parameter INITP_07 = 256'h0000000000000000000000000000000000000000000000000000000000000000; + + output [31:0] DOA; + output [3:0] DOPA; + output [31:0] DOB; + output [3:0] DOPB; + + input [8:0] ADDRA; + input [31:0] DIA; + input [3:0] DIPA; + input ENA, CLKA, WEA, SSRA; + input [8:0] ADDRB; + input [31:0] DIB; + input [3:0] DIPB; + input ENB, CLKB, WEB, SSRB; + + reg [31:0] doa_out = INIT_A[31:0]; + reg [3:0] dopa_out = INIT_A[35:32]; + reg [31:0] dob_out = INIT_B[31:0]; + reg [3:0] dopb_out = INIT_B[35:32]; + + reg [31:0] mem [511:0]; + reg [3:0] memp [511:0]; + + reg [8:0] count, countp; + reg [1:0] wr_mode_a, wr_mode_b; + + reg [5:0] dmi, dbi; + reg [5:0] pmi, pbi; + + wire [8:0] addra_int; + reg [8:0] addra_reg; + wire [31:0] dia_int; + wire [3:0] dipa_int; + wire ena_int, clka_int, wea_int, ssra_int; + reg ena_reg, wea_reg, ssra_reg; + wire [8:0] addrb_int; + reg [8:0] addrb_reg; + wire [31:0] dib_int; + wire [3:0] dipb_int; + wire enb_int, clkb_int, web_int, ssrb_int; + reg display_flag, output_flag; + reg enb_reg, web_reg, ssrb_reg; + + time time_clka, time_clkb; + time time_clka_clkb; + time time_clkb_clka; + + reg setup_all_a_b; + reg setup_all_b_a; + reg setup_zero; + reg setup_rf_a_b; + reg setup_rf_b_a; + reg [1:0] data_collision, data_collision_a_b, data_collision_b_a; + reg memory_collision, memory_collision_a_b, memory_collision_b_a; + reg change_clka; + reg change_clkb; + + wire [14:0] data_addra_int; + wire [14:0] data_addra_reg; + wire [14:0] data_addrb_int; + wire [14:0] data_addrb_reg; + + wire dia_enable = ena_int && wea_int; + wire dib_enable = enb_int && web_int; + + tri0 GSR = glbl.GSR; + wire gsr_int; + + buf b_gsr (gsr_int, GSR); + + buf b_doa [31:0] (DOA, doa_out); + buf b_dopa [3:0] (DOPA, dopa_out); + buf b_addra [8:0] (addra_int, ADDRA); + buf b_dia [31:0] (dia_int, DIA); + buf b_dipa [3:0] (dipa_int, DIPA); + buf b_ena (ena_int, ENA); + buf b_clka (clka_int, CLKA); + buf b_ssra (ssra_int, SSRA); + buf b_wea (wea_int, WEA); + + buf b_dob [31:0] (DOB, dob_out); + buf b_dopb [3:0] (DOPB, dopb_out); + buf b_addrb [8:0] (addrb_int, ADDRB); + buf b_dib [31:0] (dib_int, DIB); + buf b_dipb [3:0] (dipb_int, DIPB); + buf b_enb (enb_int, ENB); + buf b_clkb (clkb_int, CLKB); + buf b_ssrb (ssrb_int, SSRB); + buf b_web (web_int, WEB); + + + always @(gsr_int) + if (gsr_int) begin + assign {dopa_out, doa_out} = INIT_A; + assign {dopb_out, dob_out} = INIT_B; + end + else begin + deassign doa_out; + deassign dopa_out; + deassign dob_out; + deassign dopb_out; + end + + + initial begin + + for (count = 0; count < 8; count = count + 1) begin + mem[count] = INIT_00[(count * 32) +: 32]; + mem[8 * 1 + count] = INIT_01[(count * 32) +: 32]; + mem[8 * 2 + count] = INIT_02[(count * 32) +: 32]; + mem[8 * 3 + count] = INIT_03[(count * 32) +: 32]; + mem[8 * 4 + count] = INIT_04[(count * 32) +: 32]; + mem[8 * 5 + count] = INIT_05[(count * 32) +: 32]; + mem[8 * 6 + count] = INIT_06[(count * 32) +: 32]; + mem[8 * 7 + count] = INIT_07[(count * 32) +: 32]; + mem[8 * 8 + count] = INIT_08[(count * 32) +: 32]; + mem[8 * 9 + count] = INIT_09[(count * 32) +: 32]; + mem[8 * 10 + count] = INIT_0A[(count * 32) +: 32]; + mem[8 * 11 + count] = INIT_0B[(count * 32) +: 32]; + mem[8 * 12 + count] = INIT_0C[(count * 32) +: 32]; + mem[8 * 13 + count] = INIT_0D[(count * 32) +: 32]; + mem[8 * 14 + count] = INIT_0E[(count * 32) +: 32]; + mem[8 * 15 + count] = INIT_0F[(count * 32) +: 32]; + mem[8 * 16 + count] = INIT_10[(count * 32) +: 32]; + mem[8 * 17 + count] = INIT_11[(count * 32) +: 32]; + mem[8 * 18 + count] = INIT_12[(count * 32) +: 32]; + mem[8 * 19 + count] = INIT_13[(count * 32) +: 32]; + mem[8 * 20 + count] = INIT_14[(count * 32) +: 32]; + mem[8 * 21 + count] = INIT_15[(count * 32) +: 32]; + mem[8 * 22 + count] = INIT_16[(count * 32) +: 32]; + mem[8 * 23 + count] = INIT_17[(count * 32) +: 32]; + mem[8 * 24 + count] = INIT_18[(count * 32) +: 32]; + mem[8 * 25 + count] = INIT_19[(count * 32) +: 32]; + mem[8 * 26 + count] = INIT_1A[(count * 32) +: 32]; + mem[8 * 27 + count] = INIT_1B[(count * 32) +: 32]; + mem[8 * 28 + count] = INIT_1C[(count * 32) +: 32]; + mem[8 * 29 + count] = INIT_1D[(count * 32) +: 32]; + mem[8 * 30 + count] = INIT_1E[(count * 32) +: 32]; + mem[8 * 31 + count] = INIT_1F[(count * 32) +: 32]; + mem[8 * 32 + count] = INIT_20[(count * 32) +: 32]; + mem[8 * 33 + count] = INIT_21[(count * 32) +: 32]; + mem[8 * 34 + count] = INIT_22[(count * 32) +: 32]; + mem[8 * 35 + count] = INIT_23[(count * 32) +: 32]; + mem[8 * 36 + count] = INIT_24[(count * 32) +: 32]; + mem[8 * 37 + count] = INIT_25[(count * 32) +: 32]; + mem[8 * 38 + count] = INIT_26[(count * 32) +: 32]; + mem[8 * 39 + count] = INIT_27[(count * 32) +: 32]; + mem[8 * 40 + count] = INIT_28[(count * 32) +: 32]; + mem[8 * 41 + count] = INIT_29[(count * 32) +: 32]; + mem[8 * 42 + count] = INIT_2A[(count * 32) +: 32]; + mem[8 * 43 + count] = INIT_2B[(count * 32) +: 32]; + mem[8 * 44 + count] = INIT_2C[(count * 32) +: 32]; + mem[8 * 45 + count] = INIT_2D[(count * 32) +: 32]; + mem[8 * 46 + count] = INIT_2E[(count * 32) +: 32]; + mem[8 * 47 + count] = INIT_2F[(count * 32) +: 32]; + mem[8 * 48 + count] = INIT_30[(count * 32) +: 32]; + mem[8 * 49 + count] = INIT_31[(count * 32) +: 32]; + mem[8 * 50 + count] = INIT_32[(count * 32) +: 32]; + mem[8 * 51 + count] = INIT_33[(count * 32) +: 32]; + mem[8 * 52 + count] = INIT_34[(count * 32) +: 32]; + mem[8 * 53 + count] = INIT_35[(count * 32) +: 32]; + mem[8 * 54 + count] = INIT_36[(count * 32) +: 32]; + mem[8 * 55 + count] = INIT_37[(count * 32) +: 32]; + mem[8 * 56 + count] = INIT_38[(count * 32) +: 32]; + mem[8 * 57 + count] = INIT_39[(count * 32) +: 32]; + mem[8 * 58 + count] = INIT_3A[(count * 32) +: 32]; + mem[8 * 59 + count] = INIT_3B[(count * 32) +: 32]; + mem[8 * 60 + count] = INIT_3C[(count * 32) +: 32]; + mem[8 * 61 + count] = INIT_3D[(count * 32) +: 32]; + mem[8 * 62 + count] = INIT_3E[(count * 32) +: 32]; + mem[8 * 63 + count] = INIT_3F[(count * 32) +: 32]; + end + +// initiate parity start + for (countp = 0; countp < 64; countp = countp + 1) begin + memp[countp] = INITP_00[(countp * 4) +: 4]; + memp[64 * 1 + countp] = INITP_01[(countp * 4) +: 4]; + memp[64 * 2 + countp] = INITP_02[(countp * 4) +: 4]; + memp[64 * 3 + countp] = INITP_03[(countp * 4) +: 4]; + memp[64 * 4 + countp] = INITP_04[(countp * 4) +: 4]; + memp[64 * 5 + countp] = INITP_05[(countp * 4) +: 4]; + memp[64 * 6 + countp] = INITP_06[(countp * 4) +: 4]; + memp[64 * 7 + countp] = INITP_07[(countp * 4) +: 4]; + end +// initiate parity end + + change_clka <= 0; + change_clkb <= 0; + data_collision <= 0; + data_collision_a_b <= 0; + data_collision_b_a <= 0; + memory_collision <= 0; + memory_collision_a_b <= 0; + memory_collision_b_a <= 0; + setup_all_a_b <= 0; + setup_all_b_a <= 0; + setup_zero <= 0; + setup_rf_a_b <= 0; + setup_rf_b_a <= 0; + end + + assign data_addra_int = addra_int * 32; + assign data_addra_reg = addra_reg * 32; + assign data_addrb_int = addrb_int * 32; + assign data_addrb_reg = addrb_reg * 32; + + + initial begin + + display_flag = 1; + output_flag = 1; + + case (SIM_COLLISION_CHECK) + + "NONE" : begin + output_flag = 0; + display_flag = 0; + end + "WARNING_ONLY" : output_flag = 0; + "GENERATE_X_ONLY" : display_flag = 0; + "ALL" : ; + + default : begin + $display("Attribute Syntax Error : The Attribute SIM_COLLISION_CHECK on RAMB16_S36_S36 instance %m is set to %s. Legal values for this attribute are ALL, NONE, WARNING_ONLY or GENERATE_X_ONLY.", SIM_COLLISION_CHECK); + $finish; + end + + endcase // case(SIM_COLLISION_CHECK) + + end // initial begin + + + always @(posedge clka_int) begin + if ((output_flag || display_flag)) begin + time_clka = $time; + #0 time_clkb_clka = time_clka - time_clkb; + change_clka = ~change_clka; + end + end + + always @(posedge clkb_int) begin + if ((output_flag || display_flag)) begin + time_clkb = $time; + #0 time_clka_clkb = time_clkb - time_clka; + change_clkb = ~change_clkb; + end + end + + always @(change_clkb) begin + if ((0 < time_clka_clkb) && (time_clka_clkb < SETUP_ALL)) + setup_all_a_b = 1; + if ((0 < time_clka_clkb) && (time_clka_clkb < SETUP_READ_FIRST)) + setup_rf_a_b = 1; + end + + always @(change_clka) begin + if ((0 < time_clkb_clka) && (time_clkb_clka < SETUP_ALL)) + setup_all_b_a = 1; + if ((0 < time_clkb_clka) && (time_clkb_clka < SETUP_READ_FIRST)) + setup_rf_b_a = 1; + end + + always @(change_clkb or change_clka) begin + if ((time_clkb_clka == 0) && (time_clka_clkb == 0)) + setup_zero = 1; + end + + always @(posedge setup_zero) begin + if ((ena_int == 1) && (wea_int == 1) && + (enb_int == 1) && (web_int == 1) && + (data_addra_int[14:5] == data_addrb_int[14:5])) + memory_collision <= 1; + end + + always @(posedge setup_all_a_b or posedge setup_rf_a_b) begin + if ((ena_reg == 1) && (wea_reg == 1) && + (enb_int == 1) && (web_int == 1) && + (data_addra_reg[14:5] == data_addrb_int[14:5])) + memory_collision_a_b <= 1; + end + + always @(posedge setup_all_b_a or posedge setup_rf_b_a) begin + if ((ena_int == 1) && (wea_int == 1) && + (enb_reg == 1) && (web_reg == 1) && + (data_addra_int[14:5] == data_addrb_reg[14:5])) + memory_collision_b_a <= 1; + end + + always @(posedge setup_all_a_b) begin + if (data_addra_reg[14:5] == data_addrb_int[14:5]) begin + if ((ena_reg == 1) && (enb_int == 1)) begin + case ({wr_mode_a, wr_mode_b, wea_reg, web_int}) + 6'b000011 : begin data_collision_a_b <= 2'b11; display_wa_wb; end + 6'b000111 : begin data_collision_a_b <= 2'b11; display_wa_wb; end + 6'b001011 : begin data_collision_a_b <= 2'b10; display_wa_wb; end +// 6'b010011 : begin data_collision_a_b <= 2'b00; display_wa_wb; end +// 6'b010111 : begin data_collision_a_b <= 2'b00; display_wa_wb; end +// 6'b011011 : begin data_collision_a_b <= 2'b00; display_wa_wb; end + 6'b100011 : begin data_collision_a_b <= 2'b01; display_wa_wb; end + 6'b100111 : begin data_collision_a_b <= 2'b01; display_wa_wb; end + 6'b101011 : begin display_wa_wb; end + 6'b000001 : begin data_collision_a_b <= 2'b10; display_ra_wb; end +// 6'b000101 : begin data_collision_a_b <= 2'b00; display_ra_wb; end + 6'b001001 : begin data_collision_a_b <= 2'b10; display_ra_wb; end + 6'b010001 : begin data_collision_a_b <= 2'b10; display_ra_wb; end +// 6'b010101 : begin data_collision_a_b <= 2'b00; display_ra_wb; end + 6'b011001 : begin data_collision_a_b <= 2'b10; display_ra_wb; end + 6'b100001 : begin data_collision_a_b <= 2'b10; display_ra_wb; end +// 6'b100101 : begin data_collision_a_b <= 2'b00; display_ra_wb; end + 6'b101001 : begin data_collision_a_b <= 2'b10; display_ra_wb; end + 6'b000010 : begin data_collision_a_b <= 2'b01; display_wa_rb; end + 6'b000110 : begin data_collision_a_b <= 2'b01; display_wa_rb; end + 6'b001010 : begin data_collision_a_b <= 2'b01; display_wa_rb; end +// 6'b010010 : begin data_collision_a_b <= 2'b00; display_wa_rb; end +// 6'b010110 : begin data_collision_a_b <= 2'b00; display_wa_rb; end +// 6'b011010 : begin data_collision_a_b <= 2'b00; display_wa_rb; end + 6'b100010 : begin data_collision_a_b <= 2'b01; display_wa_rb; end + 6'b100110 : begin data_collision_a_b <= 2'b01; display_wa_rb; end + 6'b101010 : begin data_collision_a_b <= 2'b01; display_wa_rb; end + endcase + end + end + setup_all_a_b <= 0; + end + + + always @(posedge setup_all_b_a) begin + if (data_addra_int[14:5] == data_addrb_reg[14:5]) begin + if ((ena_int == 1) && (enb_reg == 1)) begin + case ({wr_mode_a, wr_mode_b, wea_int, web_reg}) + 6'b000011 : begin data_collision_b_a <= 2'b11; display_wa_wb; end +// 6'b000111 : begin data_collision_b_a <= 2'b00; display_wa_wb; end + 6'b001011 : begin data_collision_b_a <= 2'b10; display_wa_wb; end + 6'b010011 : begin data_collision_b_a <= 2'b11; display_wa_wb; end +// 6'b010111 : begin data_collision_b_a <= 2'b00; display_wa_wb; end + 6'b011011 : begin data_collision_b_a <= 2'b10; display_wa_wb; end + 6'b100011 : begin data_collision_b_a <= 2'b01; display_wa_wb; end + 6'b100111 : begin data_collision_b_a <= 2'b01; display_wa_wb; end + 6'b101011 : begin display_wa_wb; end + 6'b000001 : begin data_collision_b_a <= 2'b10; display_ra_wb; end + 6'b000101 : begin data_collision_b_a <= 2'b10; display_ra_wb; end + 6'b001001 : begin data_collision_b_a <= 2'b10; display_ra_wb; end + 6'b010001 : begin data_collision_b_a <= 2'b10; display_ra_wb; end + 6'b010101 : begin data_collision_b_a <= 2'b10; display_ra_wb; end + 6'b011001 : begin data_collision_b_a <= 2'b10; display_ra_wb; end + 6'b100001 : begin data_collision_b_a <= 2'b10; display_ra_wb; end + 6'b100101 : begin data_collision_b_a <= 2'b10; display_ra_wb; end + 6'b101001 : begin data_collision_b_a <= 2'b10; display_ra_wb; end + 6'b000010 : begin data_collision_b_a <= 2'b01; display_wa_rb; end + 6'b000110 : begin data_collision_b_a <= 2'b01; display_wa_rb; end + 6'b001010 : begin data_collision_b_a <= 2'b01; display_wa_rb; end +// 6'b010010 : begin data_collision_b_a <= 2'b00; display_wa_rb; end +// 6'b010110 : begin data_collision_b_a <= 2'b00; display_wa_rb; end +// 6'b011010 : begin data_collision_b_a <= 2'b00; display_wa_rb; end + 6'b100010 : begin data_collision_b_a <= 2'b01; display_wa_rb; end + 6'b100110 : begin data_collision_b_a <= 2'b01; display_wa_rb; end + 6'b101010 : begin data_collision_b_a <= 2'b01; display_wa_rb; end + endcase + end + end + setup_all_b_a <= 0; + end + + + always @(posedge setup_zero) begin + if (data_addra_int[14:5] == data_addrb_int[14:5]) begin + if ((ena_int == 1) && (enb_int == 1)) begin + case ({wr_mode_a, wr_mode_b, wea_int, web_int}) + 6'b000011 : begin data_collision <= 2'b11; display_wa_wb; end + 6'b000111 : begin data_collision <= 2'b11; display_wa_wb; end + 6'b001011 : begin data_collision <= 2'b10; display_wa_wb; end + 6'b010011 : begin data_collision <= 2'b11; display_wa_wb; end + 6'b010111 : begin data_collision <= 2'b11; display_wa_wb; end + 6'b011011 : begin data_collision <= 2'b10; display_wa_wb; end + 6'b100011 : begin data_collision <= 2'b01; display_wa_wb; end + 6'b100111 : begin data_collision <= 2'b01; display_wa_wb; end + 6'b101011 : begin display_wa_wb; end + 6'b000001 : begin data_collision <= 2'b10; display_ra_wb; end +// 6'b000101 : begin data_collision <= 2'b00; display_ra_wb; end + 6'b001001 : begin data_collision <= 2'b10; display_ra_wb; end + 6'b010001 : begin data_collision <= 2'b10; display_ra_wb; end +// 6'b010101 : begin data_collision <= 2'b00; display_ra_wb; end + 6'b011001 : begin data_collision <= 2'b10; display_ra_wb; end + 6'b100001 : begin data_collision <= 2'b10; display_ra_wb; end +// 6'b100101 : begin data_collision <= 2'b00; display_ra_wb; end + 6'b101001 : begin data_collision <= 2'b10; display_ra_wb; end + 6'b000010 : begin data_collision <= 2'b01; display_wa_rb; end + 6'b000110 : begin data_collision <= 2'b01; display_wa_rb; end + 6'b001010 : begin data_collision <= 2'b01; display_wa_rb; end +// 6'b010010 : begin data_collision <= 2'b00; display_wa_rb; end +// 6'b010110 : begin data_collision <= 2'b00; display_wa_rb; end +// 6'b011010 : begin data_collision <= 2'b00; display_wa_rb; end + 6'b100010 : begin data_collision <= 2'b01; display_wa_rb; end + 6'b100110 : begin data_collision <= 2'b01; display_wa_rb; end + 6'b101010 : begin data_collision <= 2'b01; display_wa_rb; end + endcase + end + end + setup_zero <= 0; + end + + task display_ra_wb; + begin + if (display_flag) + $display("Memory Collision Error on RAMB16_S36_S36:%m at simulation time %.3f ns\nA read was performed on address %h (hex) of Port A while a write was requested to the same address on Port B. The write will be successful however the read value on Port A is unknown until the next CLKA cycle.", $time/1000.0, addra_int); + end + endtask + + task display_wa_rb; + begin + if (display_flag) + $display("Memory Collision Error on RAMB16_S36_S36:%m at simulation time %.3f ns\nA read was performed on address %h (hex) of Port B while a write was requested to the same address on Port A. The write will be successful however the read value on Port B is unknown until the next CLKB cycle.", $time/1000.0, addrb_int); + end + endtask + + task display_wa_wb; + begin + if (display_flag) + $display("Memory Collision Error on RAMB16_S36_S36:%m at simulation time %.3f ns\nA write was requested to the same address simultaneously at both Port A and Port B of the RAM. The contents written to the RAM at address location %h (hex) of Port A and address location %h (hex) of Port B are unknown.", $time/1000.0, addra_int, addrb_int); + end + endtask + + + always @(posedge setup_rf_a_b) begin + if (data_addra_reg[14:5] == data_addrb_int[14:5]) begin + if ((ena_reg == 1) && (enb_int == 1)) begin + case ({wr_mode_a, wr_mode_b, wea_reg, web_int}) +// 6'b000011 : begin data_collision_a_b <= 2'b00; display_wa_wb; end +// 6'b000111 : begin data_collision_a_b <= 2'b00; display_wa_wb; end +// 6'b001011 : begin data_collision_a_b <= 2'b00; display_wa_wb; end + 6'b010011 : begin data_collision_a_b <= 2'b11; display_wa_wb; end + 6'b010111 : begin data_collision_a_b <= 2'b11; display_wa_wb; end + 6'b011011 : begin data_collision_a_b <= 2'b10; display_wa_wb; end +// 6'b100011 : begin data_collision_a_b <= 2'b00; display_wa_wb; end +// 6'b100111 : begin data_collision_a_b <= 2'b00; display_wa_wb; end +// 6'b101011 : begin data_collision_a_b <= 2'b00; display_wa_wb; end +// 6'b000001 : begin data_collision_a_b <= 2'b00; display_ra_wb; end +// 6'b000101 : begin data_collision_a_b <= 2'b00; display_ra_wb; end +// 6'b001001 : begin data_collision_a_b <= 2'b00; display_ra_wb; end +// 6'b010001 : begin data_collision_a_b <= 2'b00; display_ra_wb; end +// 6'b010101 : begin data_collision_a_b <= 2'b00; display_ra_wb; end +// 6'b011001 : begin data_collision_a_b <= 2'b00; display_ra_wb; end +// 6'b100001 : begin data_collision_a_b <= 2'b00; display_ra_wb; end +// 6'b100101 : begin data_collision_a_b <= 2'b00; display_ra_wb; end +// 6'b101001 : begin data_collision_a_b <= 2'b00; display_ra_wb; end +// 6'b000010 : begin data_collision_a_b <= 2'b00; display_wa_rb; end +// 6'b000110 : begin data_collision_a_b <= 2'b00; display_wa_rb; end +// 6'b001010 : begin data_collision_a_b <= 2'b00; display_wa_rb; end + 6'b010010 : begin data_collision_a_b <= 2'b01; display_wa_rb; end + 6'b010110 : begin data_collision_a_b <= 2'b01; display_wa_rb; end + 6'b011010 : begin data_collision_a_b <= 2'b01; display_wa_rb; end +// 6'b100010 : begin data_collision_a_b <= 2'b00; display_wa_rb; end +// 6'b100110 : begin data_collision_a_b <= 2'b00; display_wa_rb; end +// 6'b101010 : begin data_collision_a_b <= 2'b00; display_wa_rb; end + endcase + end + end + setup_rf_a_b <= 0; + end + + + always @(posedge setup_rf_b_a) begin + if (data_addra_int[14:5] == data_addrb_reg[14:5]) begin + if ((ena_int == 1) && (enb_reg == 1)) begin + case ({wr_mode_a, wr_mode_b, wea_int, web_reg}) +// 6'b000011 : begin data_collision_b_a <= 2'b00; display_wa_wb; end + 6'b000111 : begin data_collision_b_a <= 2'b11; display_wa_wb; end +// 6'b001011 : begin data_collision_b_a <= 2'b00; display_wa_wb; end +// 6'b010011 : begin data_collision_b_a <= 2'b00; display_wa_wb; end + 6'b010111 : begin data_collision_b_a <= 2'b11; display_wa_wb; end +// 6'b011011 : begin data_collision_b_a <= 2'b00; display_wa_wb; end +// 6'b100011 : begin data_collision_b_a <= 2'b00; display_wa_wb; end + 6'b100111 : begin data_collision_b_a <= 2'b01; display_wa_wb; end +// 6'b101011 : begin data_collision_b_a <= 2'b00; display_wa_wb; end +// 6'b000001 : begin data_collision_b_a <= 2'b00; display_ra_wb; end + 6'b000101 : begin data_collision_b_a <= 2'b10; display_ra_wb; end +// 6'b001001 : begin data_collision_b_a <= 2'b00; display_ra_wb; end +// 6'b010001 : begin data_collision_b_a <= 2'b00; display_ra_wb; end + 6'b010101 : begin data_collision_b_a <= 2'b10; display_ra_wb; end +// 6'b011001 : begin data_collision_b_a <= 2'b00; display_ra_wb; end +// 6'b100001 : begin data_collision_b_a <= 2'b00; display_ra_wb; end + 6'b100101 : begin data_collision_b_a <= 2'b10; display_ra_wb; end +// 6'b101001 : begin data_collision_b_a <= 2'b00; display_ra_wb; end +// 6'b000010 : begin data_collision_b_a <= 2'b00; display_wa_rb; end +// 6'b000110 : begin data_collision_b_a <= 2'b00; display_wa_rb; end +// 6'b001010 : begin data_collision_b_a <= 2'b00; display_wa_rb; end +// 6'b010010 : begin data_collision_b_a <= 2'b00; display_wa_rb; end +// 6'b010110 : begin data_collision_b_a <= 2'b00; display_wa_rb; end +// 6'b011010 : begin data_collision_b_a <= 2'b00; display_wa_rb; end +// 6'b100010 : begin data_collision_b_a <= 2'b00; display_wa_rb; end +// 6'b100110 : begin data_collision_b_a <= 2'b00; display_wa_rb; end +// 6'b101010 : begin data_collision_b_a <= 2'b00; display_wa_rb; end + endcase + end + end + setup_rf_b_a <= 0; + end + + + always @(posedge clka_int) begin + if ((output_flag || display_flag)) begin + addra_reg <= addra_int; + ena_reg <= ena_int; + ssra_reg <= ssra_int; + wea_reg <= wea_int; + end + end + + always @(posedge clkb_int) begin + if ((output_flag || display_flag)) begin + addrb_reg <= addrb_int; + enb_reg <= enb_int; + ssrb_reg <= ssrb_int; + web_reg <= web_int; + end + end + + + // Data + always @(posedge memory_collision) begin + if ((output_flag || display_flag)) begin + mem[addra_int] <= 32'bx; + memory_collision <= 0; + end + + end + + always @(posedge memory_collision_a_b) begin + if ((output_flag || display_flag)) begin + mem[addra_reg] <= 32'bx; + memory_collision_a_b <= 0; + end + end + + always @(posedge memory_collision_b_a) begin + if ((output_flag || display_flag)) begin + mem[addra_int] <= 32'bx; + memory_collision_b_a <= 0; + end + end + + always @(posedge data_collision[1]) begin + if (ssra_int == 0 && output_flag) begin + doa_out <= #100 32'bX; + end + data_collision[1] <= 0; + end + + always @(posedge data_collision[0]) begin + if (ssrb_int == 0 && output_flag) begin + dob_out <= #100 32'bX; + end + data_collision[0] <= 0; + end + + always @(posedge data_collision_a_b[1]) begin + if (ssra_reg == 0 && output_flag) begin + doa_out <= #100 32'bX; + end + data_collision_a_b[1] <= 0; + end + + always @(posedge data_collision_a_b[0]) begin + if (ssrb_int == 0 && output_flag) begin + dob_out <= #100 32'bX; + end + data_collision_a_b[0] <= 0; + end + + always @(posedge data_collision_b_a[1]) begin + if (ssra_int == 0 && output_flag) begin + doa_out <= #100 32'bX; + end + data_collision_b_a[1] <= 0; + end + + always @(posedge data_collision_b_a[0]) begin + if (ssrb_reg == 0 && output_flag) begin + dob_out <= #100 32'bX; + end + data_collision_b_a[0] <= 0; + end + +// x parity start + always @(posedge memory_collision) begin + if ((output_flag || display_flag)) + memp[addra_int] <= 4'bx; + end + + always @(posedge memory_collision_a_b) begin + if ((output_flag || display_flag)) + memp[addra_reg] <= 4'bx; + end + + always @(posedge memory_collision_b_a) begin + if ((output_flag || display_flag)) + memp[addra_int] <= 4'bx; + end + + always @(posedge data_collision[1]) begin + if (ssra_int == 0 && output_flag) begin + dopa_out <= #100 4'bX; + end + end + + always @(posedge data_collision_a_b[1]) begin + if (ssra_reg == 0 && output_flag) begin + dopa_out <= #100 4'bX; + end + end + + + always @(posedge data_collision_b_a[1]) begin + if (ssra_int == 0 && output_flag) begin + dopa_out <= #100 4'bX; + end + end + + always @(posedge data_collision[0]) begin + if (ssrb_int == 0 && output_flag) begin + dopb_out <= #100 4'bx; + end + end + + always @(posedge data_collision_a_b[0]) begin + if (ssrb_int == 0 && output_flag) begin + dopb_out <= #100 4'bx; + end + end + + always @(posedge data_collision_b_a[0]) begin + if (ssrb_reg == 0 && output_flag) begin + dopb_out <= #100 4'bx; + end + end +// x parity end + + initial begin + case (WRITE_MODE_A) + "WRITE_FIRST" : wr_mode_a <= 2'b00; + "READ_FIRST" : wr_mode_a <= 2'b01; + "NO_CHANGE" : wr_mode_a <= 2'b10; + default : begin + $display("Attribute Syntax Error : The Attribute WRITE_MODE_A on RAMB16_S36_S36 instance %m is set to %s. Legal values for this attribute are WRITE_FIRST, READ_FIRST or NO_CHANGE.", WRITE_MODE_A); + $finish; + end + endcase + end + + initial begin + case (WRITE_MODE_B) + "WRITE_FIRST" : wr_mode_b <= 2'b00; + "READ_FIRST" : wr_mode_b <= 2'b01; + "NO_CHANGE" : wr_mode_b <= 2'b10; + default : begin + $display("Attribute Syntax Error : The Attribute WRITE_MODE_B on RAMB16_S36_S36 instance %m is set to %s. Legal values for this attribute are WRITE_FIRST, READ_FIRST or NO_CHANGE.", WRITE_MODE_B); + $finish; + end + endcase + end + + + // Port A + always @(posedge clka_int) begin + + if (ena_int == 1'b1) begin + + if (ssra_int == 1'b1) begin + {dopa_out, doa_out} <= #100 SRVAL_A; + end + else begin + if (wea_int == 1'b1) begin + if (wr_mode_a == 2'b00) begin + doa_out <= #100 dia_int; + dopa_out <= #100 dipa_int; + end + else if (wr_mode_a == 2'b01) begin + + doa_out <= #100 mem[addra_int]; + dopa_out <= #100 memp[addra_int]; + + end + end + else begin + + doa_out <= #100 mem[addra_int]; + dopa_out <= #100 memp[addra_int]; + + end + end + + // memory + if (wea_int == 1'b1) begin + mem[addra_int] <= dia_int; + memp[addra_int] <= dipa_int; + end + + end + end + + + // Port B + always @(posedge clkb_int) begin + + if (enb_int == 1'b1) begin + + if (ssrb_int == 1'b1) begin + {dopb_out, dob_out} <= #100 SRVAL_B; + end + else begin + if (web_int == 1'b1) begin + if (wr_mode_b == 2'b00) begin + dob_out <= #100 dib_int; + dopb_out <= #100 dipb_int; + end + else if (wr_mode_b == 2'b01) begin + dob_out <= #100 mem[addrb_int]; + dopb_out <= #100 memp[addrb_int]; + end + end + else begin + dob_out <= #100 mem[addrb_int]; + dopb_out <= #100 memp[addrb_int]; + end + end + + // memory + if (web_int == 1'b1) begin + mem[addrb_int] <= dib_int; + memp[addrb_int] <= dipb_int; + end + + end + end + + +endmodule + +`endif |