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[/] [or1k/] [branches/] [mp3_stable/] [mp3/] [lib/] [xilinx/] [unisims/] [RAMB16_S4_S36.v] - Blame information for rev 1765

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1 266 lampret
// $Header: /home/marcus/revision_ctrl_test/oc_cvs/cvs/or1k/mp3/lib/xilinx/unisims/RAMB16_S4_S36.v,v 1.1.1.1 2001-11-04 18:59:56 lampret Exp $
2
 
3
/*
4
 
5
FUNCTION        : 16x4x36 Block RAM with synchronous write capability
6
 
7
*/
8
 
9
`timescale  100 ps / 10 ps
10
 
11
`celldefine
12
 
13
module RAMB16_S4_S36 (DOA, DOB, DOPB, ADDRA, CLKA, DIA, ENA, SSRA, WEA, ADDRB, CLKB, DIB, DIPB, ENB, SSRB, WEB);
14
    parameter cds_action = "ignore";
15
    parameter INIT_A = 4'h0;
16
    parameter INIT_B = 36'h0;
17
    parameter SRVAL_A = 4'h0;
18
    parameter SRVAL_B = 36'h0;
19
    parameter WRITE_MODE_A = "WRITE_FIRST";
20
    parameter WRITE_MODE_B = "WRITE_FIRST";
21
 
22
    parameter INIT_00 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
23
    parameter INIT_01 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
24
    parameter INIT_02 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
25
    parameter INIT_03 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
26
    parameter INIT_04 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
27
    parameter INIT_05 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
28
    parameter INIT_06 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
29
    parameter INIT_07 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
30
    parameter INIT_08 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
31
    parameter INIT_09 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
32
    parameter INIT_0A = 256'h0000000000000000000000000000000000000000000000000000000000000000;
33
    parameter INIT_0B = 256'h0000000000000000000000000000000000000000000000000000000000000000;
34
    parameter INIT_0C = 256'h0000000000000000000000000000000000000000000000000000000000000000;
35
    parameter INIT_0D = 256'h0000000000000000000000000000000000000000000000000000000000000000;
36
    parameter INIT_0E = 256'h0000000000000000000000000000000000000000000000000000000000000000;
37
    parameter INIT_0F = 256'h0000000000000000000000000000000000000000000000000000000000000000;
38
    parameter INIT_10 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
39
    parameter INIT_11 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
40
    parameter INIT_12 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
41
    parameter INIT_13 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
42
    parameter INIT_14 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
43
    parameter INIT_15 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
44
    parameter INIT_16 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
45
    parameter INIT_17 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
46
    parameter INIT_18 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
47
    parameter INIT_19 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
48
    parameter INIT_1A = 256'h0000000000000000000000000000000000000000000000000000000000000000;
49
    parameter INIT_1B = 256'h0000000000000000000000000000000000000000000000000000000000000000;
50
    parameter INIT_1C = 256'h0000000000000000000000000000000000000000000000000000000000000000;
51
    parameter INIT_1D = 256'h0000000000000000000000000000000000000000000000000000000000000000;
52
    parameter INIT_1E = 256'h0000000000000000000000000000000000000000000000000000000000000000;
53
    parameter INIT_1F = 256'h0000000000000000000000000000000000000000000000000000000000000000;
54
    parameter INIT_20 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
55
    parameter INIT_21 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
56
    parameter INIT_22 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
57
    parameter INIT_23 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
58
    parameter INIT_24 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
59
    parameter INIT_25 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
60
    parameter INIT_26 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
61
    parameter INIT_27 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
62
    parameter INIT_28 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
63
    parameter INIT_29 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
64
    parameter INIT_2A = 256'h0000000000000000000000000000000000000000000000000000000000000000;
65
    parameter INIT_2B = 256'h0000000000000000000000000000000000000000000000000000000000000000;
66
    parameter INIT_2C = 256'h0000000000000000000000000000000000000000000000000000000000000000;
67
    parameter INIT_2D = 256'h0000000000000000000000000000000000000000000000000000000000000000;
68
    parameter INIT_2E = 256'h0000000000000000000000000000000000000000000000000000000000000000;
69
    parameter INIT_2F = 256'h0000000000000000000000000000000000000000000000000000000000000000;
70
    parameter INIT_30 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
71
    parameter INIT_31 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
72
    parameter INIT_32 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
73
    parameter INIT_33 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
74
    parameter INIT_34 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
75
    parameter INIT_35 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
76
    parameter INIT_36 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
77
    parameter INIT_37 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
78
    parameter INIT_38 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
79
    parameter INIT_39 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
80
    parameter INIT_3A = 256'h0000000000000000000000000000000000000000000000000000000000000000;
81
    parameter INIT_3B = 256'h0000000000000000000000000000000000000000000000000000000000000000;
82
    parameter INIT_3C = 256'h0000000000000000000000000000000000000000000000000000000000000000;
83
    parameter INIT_3D = 256'h0000000000000000000000000000000000000000000000000000000000000000;
84
    parameter INIT_3E = 256'h0000000000000000000000000000000000000000000000000000000000000000;
85
    parameter INIT_3F = 256'h0000000000000000000000000000000000000000000000000000000000000000;
86
    parameter INITP_00 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
87
    parameter INITP_01 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
88
    parameter INITP_02 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
89
    parameter INITP_03 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
90
    parameter INITP_04 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
91
    parameter INITP_05 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
92
    parameter INITP_06 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
93
    parameter INITP_07 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
94
 
95
    output [3:0] DOA;
96
    reg [3:0] doa_out;
97
    wire doa_out0, doa_out1, doa_out2, doa_out3;
98
 
99
    input [11:0] ADDRA;
100
    input [3:0] DIA;
101
    input ENA, CLKA, WEA, SSRA;
102
 
103
    output [31:0] DOB;
104
    output [3:0] DOPB;
105
    reg [31:0] dob_out;
106
    reg [3:0] dopb_out;
107
    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;
108
    wire dopb0_out, dopb1_out, dopb2_out, dopb3_out;
109
 
110
    input [8:0] ADDRB;
111
    input [31:0] DIB;
112
    input [3:0] DIPB;
113
    input ENB, CLKB, WEB, SSRB;
114
 
115
    reg [18431:0] mem;
116
    reg [8:0] count;
117
    reg [1:0] wr_mode_a, wr_mode_b;
118
 
119
    reg [5:0] ci, cj;
120
    reg [5:0] dmi, dmj, dni, dnj, doi, doj, dai, daj, dbi, dbj, dci, dcj, ddi, ddj;
121
    reg [5:0] pmi, pmj, pni, pnj, poi, poj, pai, paj, pbi, pbj, pci, pcj, pdi, pdj;
122
 
123
    wire [11:0] addra_int;
124
    wire [3:0] dia_int;
125
    wire ena_int, clka_int, wea_int, ssra_int;
126
    wire [8:0] addrb_int;
127
    wire [31:0] dib_int;
128
    wire [3:0] dipb_int;
129
    wire enb_int, clkb_int, web_int, ssrb_int;
130
 
131
    reg recovery_a, recovery_b;
132
    reg address_collision;
133
 
134
    wire clka_enable = ena_int && wea_int && enb_int && address_collision;
135
    wire clkb_enable = enb_int && web_int && ena_int && address_collision;
136
    wire collision = clka_enable || clkb_enable;
137
 
138
    tri0 GSR = glbl.GSR;
139
 
140
    always @(GSR)
141
        if (GSR) begin
142
            assign doa_out = INIT_A[3:0];
143
            assign dob_out = INIT_B[31:0];
144
            assign dopb_out = INIT_B[35:32];
145
        end
146
        else begin
147
            deassign doa_out;
148
            deassign dob_out;
149
            deassign dopb_out;
150
        end
151
 
152
    buf b_doa_out0 (doa_out0, doa_out[0]);
153
    buf b_doa_out1 (doa_out1, doa_out[1]);
154
    buf b_doa_out2 (doa_out2, doa_out[2]);
155
    buf b_doa_out3 (doa_out3, doa_out[3]);
156
    buf b_dob_out0 (dob_out0, dob_out[0]);
157
    buf b_dob_out1 (dob_out1, dob_out[1]);
158
    buf b_dob_out2 (dob_out2, dob_out[2]);
159
    buf b_dob_out3 (dob_out3, dob_out[3]);
160
    buf b_dob_out4 (dob_out4, dob_out[4]);
161
    buf b_dob_out5 (dob_out5, dob_out[5]);
162
    buf b_dob_out6 (dob_out6, dob_out[6]);
163
    buf b_dob_out7 (dob_out7, dob_out[7]);
164
    buf b_dob_out8 (dob_out8, dob_out[8]);
165
    buf b_dob_out9 (dob_out9, dob_out[9]);
166
    buf b_dob_out10 (dob_out10, dob_out[10]);
167
    buf b_dob_out11 (dob_out11, dob_out[11]);
168
    buf b_dob_out12 (dob_out12, dob_out[12]);
169
    buf b_dob_out13 (dob_out13, dob_out[13]);
170
    buf b_dob_out14 (dob_out14, dob_out[14]);
171
    buf b_dob_out15 (dob_out15, dob_out[15]);
172
    buf b_dob_out16 (dob_out16, dob_out[16]);
173
    buf b_dob_out17 (dob_out17, dob_out[17]);
174
    buf b_dob_out18 (dob_out18, dob_out[18]);
175
    buf b_dob_out19 (dob_out19, dob_out[19]);
176
    buf b_dob_out20 (dob_out20, dob_out[20]);
177
    buf b_dob_out21 (dob_out21, dob_out[21]);
178
    buf b_dob_out22 (dob_out22, dob_out[22]);
179
    buf b_dob_out23 (dob_out23, dob_out[23]);
180
    buf b_dob_out24 (dob_out24, dob_out[24]);
181
    buf b_dob_out25 (dob_out25, dob_out[25]);
182
    buf b_dob_out26 (dob_out26, dob_out[26]);
183
    buf b_dob_out27 (dob_out27, dob_out[27]);
184
    buf b_dob_out28 (dob_out28, dob_out[28]);
185
    buf b_dob_out29 (dob_out29, dob_out[29]);
186
    buf b_dob_out30 (dob_out30, dob_out[30]);
187
    buf b_dob_out31 (dob_out31, dob_out[31]);
188
    buf b_dopb_out0 (dopb_out0, dopb_out[0]);
189
    buf b_dopb_out1 (dopb_out1, dopb_out[1]);
190
    buf b_dopb_out2 (dopb_out2, dopb_out[2]);
191
    buf b_dopb_out3 (dopb_out3, dopb_out[3]);
192
 
193
    buf b_doa0 (DOA[0], doa_out0);
194
    buf b_doa1 (DOA[1], doa_out1);
195
    buf b_doa2 (DOA[2], doa_out2);
196
    buf b_doa3 (DOA[3], doa_out3);
197
    buf b_dob0 (DOB[0], dob_out0);
198
    buf b_dob1 (DOB[1], dob_out1);
199
    buf b_dob2 (DOB[2], dob_out2);
200
    buf b_dob3 (DOB[3], dob_out3);
201
    buf b_dob4 (DOB[4], dob_out4);
202
    buf b_dob5 (DOB[5], dob_out5);
203
    buf b_dob6 (DOB[6], dob_out6);
204
    buf b_dob7 (DOB[7], dob_out7);
205
    buf b_dob8 (DOB[8], dob_out8);
206
    buf b_dob9 (DOB[9], dob_out9);
207
    buf b_dob10 (DOB[10], dob_out10);
208
    buf b_dob11 (DOB[11], dob_out11);
209
    buf b_dob12 (DOB[12], dob_out12);
210
    buf b_dob13 (DOB[13], dob_out13);
211
    buf b_dob14 (DOB[14], dob_out14);
212
    buf b_dob15 (DOB[15], dob_out15);
213
    buf b_dob16 (DOB[16], dob_out16);
214
    buf b_dob17 (DOB[17], dob_out17);
215
    buf b_dob18 (DOB[18], dob_out18);
216
    buf b_dob19 (DOB[19], dob_out19);
217
    buf b_dob20 (DOB[20], dob_out20);
218
    buf b_dob21 (DOB[21], dob_out21);
219
    buf b_dob22 (DOB[22], dob_out22);
220
    buf b_dob23 (DOB[23], dob_out23);
221
    buf b_dob24 (DOB[24], dob_out24);
222
    buf b_dob25 (DOB[25], dob_out25);
223
    buf b_dob26 (DOB[26], dob_out26);
224
    buf b_dob27 (DOB[27], dob_out27);
225
    buf b_dob28 (DOB[28], dob_out28);
226
    buf b_dob29 (DOB[29], dob_out29);
227
    buf b_dob30 (DOB[30], dob_out30);
228
    buf b_dob31 (DOB[31], dob_out31);
229
    buf b_dopb0 (DOPB[0], dopb_out0);
230
    buf b_dopb1 (DOPB[1], dopb_out1);
231
    buf b_dopb2 (DOPB[2], dopb_out2);
232
    buf b_dopb3 (DOPB[3], dopb_out3);
233
 
234
    buf b_addra_0 (addra_int[0], ADDRA[0]);
235
    buf b_addra_1 (addra_int[1], ADDRA[1]);
236
    buf b_addra_2 (addra_int[2], ADDRA[2]);
237
    buf b_addra_3 (addra_int[3], ADDRA[3]);
238
    buf b_addra_4 (addra_int[4], ADDRA[4]);
239
    buf b_addra_5 (addra_int[5], ADDRA[5]);
240
    buf b_addra_6 (addra_int[6], ADDRA[6]);
241
    buf b_addra_7 (addra_int[7], ADDRA[7]);
242
    buf b_addra_8 (addra_int[8], ADDRA[8]);
243
    buf b_addra_9 (addra_int[9], ADDRA[9]);
244
    buf b_addra_10 (addra_int[10], ADDRA[10]);
245
    buf b_addra_11 (addra_int[11], ADDRA[11]);
246
    buf b_dia_0 (dia_int[0], DIA[0]);
247
    buf b_dia_1 (dia_int[1], DIA[1]);
248
    buf b_dia_2 (dia_int[2], DIA[2]);
249
    buf b_dia_3 (dia_int[3], DIA[3]);
250
    buf b_ena (ena_int, ENA);
251
    buf b_clka (clka_int, CLKA);
252
    buf b_ssra (ssra_int, SSRA);
253
    buf b_wea (wea_int, WEA);
254
    buf b_addrb_0 (addrb_int[0], ADDRB[0]);
255
    buf b_addrb_1 (addrb_int[1], ADDRB[1]);
256
    buf b_addrb_2 (addrb_int[2], ADDRB[2]);
257
    buf b_addrb_3 (addrb_int[3], ADDRB[3]);
258
    buf b_addrb_4 (addrb_int[4], ADDRB[4]);
259
    buf b_addrb_5 (addrb_int[5], ADDRB[5]);
260
    buf b_addrb_6 (addrb_int[6], ADDRB[6]);
261
    buf b_addrb_7 (addrb_int[7], ADDRB[7]);
262
    buf b_addrb_8 (addrb_int[8], ADDRB[8]);
263
    buf b_dib_0 (dib_int[0], DIB[0]);
264
    buf b_dib_1 (dib_int[1], DIB[1]);
265
    buf b_dib_2 (dib_int[2], DIB[2]);
266
    buf b_dib_3 (dib_int[3], DIB[3]);
267
    buf b_dib_4 (dib_int[4], DIB[4]);
268
    buf b_dib_5 (dib_int[5], DIB[5]);
269
    buf b_dib_6 (dib_int[6], DIB[6]);
270
    buf b_dib_7 (dib_int[7], DIB[7]);
271
    buf b_dib_8 (dib_int[8], DIB[8]);
272
    buf b_dib_9 (dib_int[9], DIB[9]);
273
    buf b_dib_10 (dib_int[10], DIB[10]);
274
    buf b_dib_11 (dib_int[11], DIB[11]);
275
    buf b_dib_12 (dib_int[12], DIB[12]);
276
    buf b_dib_13 (dib_int[13], DIB[13]);
277
    buf b_dib_14 (dib_int[14], DIB[14]);
278
    buf b_dib_15 (dib_int[15], DIB[15]);
279
    buf b_dib_16 (dib_int[16], DIB[16]);
280
    buf b_dib_17 (dib_int[17], DIB[17]);
281
    buf b_dib_18 (dib_int[18], DIB[18]);
282
    buf b_dib_19 (dib_int[19], DIB[19]);
283
    buf b_dib_20 (dib_int[20], DIB[20]);
284
    buf b_dib_21 (dib_int[21], DIB[21]);
285
    buf b_dib_22 (dib_int[22], DIB[22]);
286
    buf b_dib_23 (dib_int[23], DIB[23]);
287
    buf b_dib_24 (dib_int[24], DIB[24]);
288
    buf b_dib_25 (dib_int[25], DIB[25]);
289
    buf b_dib_26 (dib_int[26], DIB[26]);
290
    buf b_dib_27 (dib_int[27], DIB[27]);
291
    buf b_dib_28 (dib_int[28], DIB[28]);
292
    buf b_dib_29 (dib_int[29], DIB[29]);
293
    buf b_dib_30 (dib_int[30], DIB[30]);
294
    buf b_dib_31 (dib_int[31], DIB[31]);
295
    buf b_dipb_0 (dipb_int[0], DIPB[0]);
296
    buf b_dipb_1 (dipb_int[1], DIPB[1]);
297
    buf b_dipb_2 (dipb_int[2], DIPB[2]);
298
    buf b_dipb_3 (dipb_int[3], DIPB[3]);
299
    buf b_enb (enb_int, ENB);
300
    buf b_clkb (clkb_int, CLKB);
301
    buf b_ssrb (ssrb_int, SSRB);
302
    buf b_web (web_int, WEB);
303
 
304
    initial begin
305
        for (count = 0; count < 256; count = count + 1) begin
306
            mem[count]            <= INIT_00[count];
307
            mem[256 * 1 + count]  <= INIT_01[count];
308
            mem[256 * 2 + count]  <= INIT_02[count];
309
            mem[256 * 3 + count]  <= INIT_03[count];
310
            mem[256 * 4 + count]  <= INIT_04[count];
311
            mem[256 * 5 + count]  <= INIT_05[count];
312
            mem[256 * 6 + count]  <= INIT_06[count];
313
            mem[256 * 7 + count]  <= INIT_07[count];
314
            mem[256 * 8 + count]  <= INIT_08[count];
315
            mem[256 * 9 + count]  <= INIT_09[count];
316
            mem[256 * 10 + count] <= INIT_0A[count];
317
            mem[256 * 11 + count] <= INIT_0B[count];
318
            mem[256 * 12 + count] <= INIT_0C[count];
319
            mem[256 * 13 + count] <= INIT_0D[count];
320
            mem[256 * 14 + count] <= INIT_0E[count];
321
            mem[256 * 15 + count] <= INIT_0F[count];
322
            mem[256 * 16 + count] <= INIT_10[count];
323
            mem[256 * 17 + count] <= INIT_11[count];
324
            mem[256 * 18 + count] <= INIT_12[count];
325
            mem[256 * 19 + count] <= INIT_13[count];
326
            mem[256 * 20 + count] <= INIT_14[count];
327
            mem[256 * 21 + count] <= INIT_15[count];
328
            mem[256 * 22 + count] <= INIT_16[count];
329
            mem[256 * 23 + count] <= INIT_17[count];
330
            mem[256 * 24 + count] <= INIT_18[count];
331
            mem[256 * 25 + count] <= INIT_19[count];
332
            mem[256 * 26 + count] <= INIT_1A[count];
333
            mem[256 * 27 + count] <= INIT_1B[count];
334
            mem[256 * 28 + count] <= INIT_1C[count];
335
            mem[256 * 29 + count] <= INIT_1D[count];
336
            mem[256 * 30 + count] <= INIT_1E[count];
337
            mem[256 * 31 + count] <= INIT_1F[count];
338
            mem[256 * 32 + count] <= INIT_20[count];
339
            mem[256 * 33 + count] <= INIT_21[count];
340
            mem[256 * 34 + count] <= INIT_22[count];
341
            mem[256 * 35 + count] <= INIT_23[count];
342
            mem[256 * 36 + count] <= INIT_24[count];
343
            mem[256 * 37 + count] <= INIT_25[count];
344
            mem[256 * 38 + count] <= INIT_26[count];
345
            mem[256 * 39 + count] <= INIT_27[count];
346
            mem[256 * 40 + count] <= INIT_28[count];
347
            mem[256 * 41 + count] <= INIT_29[count];
348
            mem[256 * 42 + count] <= INIT_2A[count];
349
            mem[256 * 43 + count] <= INIT_2B[count];
350
            mem[256 * 44 + count] <= INIT_2C[count];
351
            mem[256 * 45 + count] <= INIT_2D[count];
352
            mem[256 * 46 + count] <= INIT_2E[count];
353
            mem[256 * 47 + count] <= INIT_2F[count];
354
            mem[256 * 48 + count] <= INIT_30[count];
355
            mem[256 * 49 + count] <= INIT_31[count];
356
            mem[256 * 50 + count] <= INIT_32[count];
357
            mem[256 * 51 + count] <= INIT_33[count];
358
            mem[256 * 52 + count] <= INIT_34[count];
359
            mem[256 * 53 + count] <= INIT_35[count];
360
            mem[256 * 54 + count] <= INIT_36[count];
361
            mem[256 * 55 + count] <= INIT_37[count];
362
            mem[256 * 56 + count] <= INIT_38[count];
363
            mem[256 * 57 + count] <= INIT_39[count];
364
            mem[256 * 58 + count] <= INIT_3A[count];
365
            mem[256 * 59 + count] <= INIT_3B[count];
366
            mem[256 * 60 + count] <= INIT_3C[count];
367
            mem[256 * 61 + count] <= INIT_3D[count];
368
            mem[256 * 62 + count] <= INIT_3E[count];
369
            mem[256 * 63 + count] <= INIT_3F[count];
370
            mem[256 * 64 + count] <= INITP_00[count];
371
            mem[256 * 65 + count] <= INITP_01[count];
372
            mem[256 * 66 + count] <= INITP_02[count];
373
            mem[256 * 67 + count] <= INITP_03[count];
374
            mem[256 * 68 + count] <= INITP_04[count];
375
            mem[256 * 69 + count] <= INITP_05[count];
376
            mem[256 * 70 + count] <= INITP_06[count];
377
            mem[256 * 71 + count] <= INITP_07[count];
378
        end
379
    end
380
 
381
    always @(addra_int or addrb_int) begin
382
        address_collision <= 1'b0;
383
        for (ci = 0; ci < 4; ci = ci + 1) begin
384
            for (cj = 0; cj < 32; cj = cj + 1) begin
385
                if ((addra_int * 4 + ci) == (addrb_int * 32 + cj)) begin
386
                    address_collision <= 1'b1;
387
                end
388
            end
389
        end
390
    end
391
 
392
    // Data
393
    always @(posedge recovery_a or posedge recovery_b) begin
394
        if (((wr_mode_a == 2'b01) && (wr_mode_b == 2'b01)) ||
395
            ((wr_mode_a != 2'b01) && (wr_mode_b != 2'b01))) begin
396
            if (wea_int == 1 && web_int == 1) begin
397
                for (dmi = 0; dmi < 4; dmi = dmi + 1) begin
398
                    for (dmj = 0; dmj < 32; dmj = dmj + 1) begin
399
                        if ((addra_int * 4 + dmi) == (addrb_int * 32 + dmj)) begin
400
                            mem[addra_int * 4 + dmi] <= 1'bX;
401
                        end
402
                    end
403
                end
404
            end
405
        end
406
        recovery_a <= 0;
407
        recovery_b <= 0;
408
    end
409
 
410
    always @(posedge recovery_a or posedge recovery_b) begin
411
        if ((wr_mode_a == 2'b01) && (wr_mode_b != 2'b01)) begin
412
            if (wea_int == 1 && web_int == 1) begin
413
                for (dni = 0; dni < 4; dni = dni + 1) begin
414
                    for (dnj = 0; dnj < 32; dnj = dnj + 1) begin
415
                        if ((addra_int * 4 + dni) == (addrb_int * 32 + dnj)) begin
416
                            mem[addra_int * 4 + dni] <= dia_int[dni];
417
                        end
418
                    end
419
                end
420
            end
421
        end
422
    end
423
 
424
    always @(posedge recovery_a or posedge recovery_b) begin
425
        if ((wr_mode_a != 2'b01) && (wr_mode_b == 2'b01)) begin
426
            if (wea_int == 1 && web_int == 1) begin
427
                for (doi = 0; doi < 4; doi = doi + 1) begin
428
                    for (doj = 0; doj < 32; doj = doj + 1) begin
429
                        if ((addra_int * 4 + doi) == (addrb_int * 32 + doj)) begin
430
                            mem[addrb_int * 32 + doj] <= dib_int[doj];
431
                        end
432
                    end
433
                end
434
            end
435
        end
436
    end
437
 
438
    always @(posedge recovery_a or posedge recovery_b) begin
439
        if ((wr_mode_b == 2'b00) || (wr_mode_b == 2'b10)) begin
440
            if ((wea_int == 0) && (web_int == 1) && (ssra_int == 0)) begin
441
                for (dai = 0; dai < 4; dai = dai + 1) begin
442
                    for (daj = 0; daj < 32; daj = daj + 1) begin
443
                        if ((addra_int * 4 + dai) == (addrb_int * 32 + daj)) begin
444
                            doa_out[dai] <= 1'bX;
445
                        end
446
                    end
447
                end
448
            end
449
        end
450
    end
451
 
452
    always @(posedge recovery_a or posedge recovery_b) begin
453
        if ((wr_mode_a == 2'b00) || (wr_mode_a == 2'b10)) begin
454
            if ((wea_int == 1) && (web_int == 0) && (ssrb_int == 0)) begin
455
                for (dbi = 0; dbi < 4; dbi = dbi + 1) begin
456
                    for (dbj = 0; dbj < 32; dbj = dbj + 1) begin
457
                        if ((addra_int * 4 + dbi) == (addrb_int * 32 + dbj)) begin
458
                            dob_out[dbj] <= 1'bX;
459
                        end
460
                    end
461
                end
462
            end
463
        end
464
    end
465
 
466
    always @(posedge recovery_a or posedge recovery_b) begin
467
        if (((wr_mode_a == 2'b00) && (wr_mode_b == 2'b00)) ||
468
            (wr_mode_b == 2'b10) ||
469
            ((wr_mode_a == 2'b01) && (wr_mode_b == 2'b00))) begin
470
            if ((wea_int == 1) && (web_int == 1) && (ssra_int == 0)) begin
471
                for (dci = 0; dci < 4; dci = dci + 1) begin
472
                    for (dcj = 0; dcj < 32; dcj = dcj + 1) begin
473
                        if ((addra_int * 4 + dci) == (addrb_int * 32 + dcj)) begin
474
                            doa_out[dci] <= 1'bX;
475
                        end
476
                    end
477
                end
478
            end
479
        end
480
    end
481
 
482
    always @(posedge recovery_a or posedge recovery_b) begin
483
        if (((wr_mode_a == 2'b00) && (wr_mode_b == 2'b00)) ||
484
            (wr_mode_a == 2'b10) ||
485
            ((wr_mode_a == 2'b00) && (wr_mode_b == 2'b01))) begin
486
            if ((wea_int == 1) && (web_int == 1) && (ssrb_int == 0)) begin
487
                for (ddi = 0; ddi < 4; ddi = ddi + 1) begin
488
                    for (ddj = 0; ddj < 32; ddj = ddj + 1) begin
489
                        if ((addra_int * 4 + ddi) == (addrb_int * 32 + ddj)) begin
490
                            dob_out[ddj] <= 1'bX;
491
                        end
492
                    end
493
                end
494
            end
495
        end
496
    end
497
 
498
    initial begin
499
        case (WRITE_MODE_A)
500
            "WRITE_FIRST" : wr_mode_a <= 2'b00;
501
            "READ_FIRST"  : wr_mode_a <= 2'b01;
502
            "NO_CHANGE"   : wr_mode_a <= 2'b10;
503
            default       : begin
504
                                $display("Error : WRITE_MODE_A = %s is not WRITE_FIRST, READ_FIRST or NO_CHANGE.", WRITE_MODE_A);
505
                                $finish;
506
                            end
507
        endcase
508
    end
509
 
510
    initial begin
511
        case (WRITE_MODE_B)
512
            "WRITE_FIRST" : wr_mode_b <= 2'b00;
513
            "READ_FIRST"  : wr_mode_b <= 2'b01;
514
            "NO_CHANGE"   : wr_mode_b <= 2'b10;
515
            default       : begin
516
                                $display("Error : WRITE_MODE_B = %s is not WRITE_FIRST, READ_FIRST or NO_CHANGE.", WRITE_MODE_B);
517
                                $finish;
518
                            end
519
        endcase
520
    end
521
 
522
    // Port A
523
    always @(posedge clka_int) begin
524
        if (ena_int == 1'b1) begin
525
            if (ssra_int == 1'b1) begin
526
                doa_out[0] <= SRVAL_A[0];
527
                doa_out[1] <= SRVAL_A[1];
528
                doa_out[2] <= SRVAL_A[2];
529
                doa_out[3] <= SRVAL_A[3];
530
            end
531
            else begin
532
                if (wea_int == 1'b1) begin
533
                    if (wr_mode_a == 2'b00) begin
534
                        doa_out[0] <= dia_int[0];
535
                        doa_out[1] <= dia_int[1];
536
                        doa_out[2] <= dia_int[2];
537
                        doa_out[3] <= dia_int[3];
538
                    end
539
                    else if (wr_mode_a == 2'b01) begin
540
                        doa_out[0] <= mem[addra_int * 4 + 0];
541
                        doa_out[1] <= mem[addra_int * 4 + 1];
542
                        doa_out[2] <= mem[addra_int * 4 + 2];
543
                        doa_out[3] <= mem[addra_int * 4 + 3];
544
                    end
545
                    else begin
546
                        doa_out[0] <= doa_out[0];
547
                        doa_out[1] <= doa_out[1];
548
                        doa_out[2] <= doa_out[2];
549
                        doa_out[3] <= doa_out[3];
550
                    end
551
                end
552
                else begin
553
                    doa_out[0] <= mem[addra_int * 4 + 0];
554
                    doa_out[1] <= mem[addra_int * 4 + 1];
555
                    doa_out[2] <= mem[addra_int * 4 + 2];
556
                    doa_out[3] <= mem[addra_int * 4 + 3];
557
                end
558
            end
559
        end
560
    end
561
 
562
    always @(posedge clka_int) begin
563
        if (ena_int == 1'b1 && wea_int == 1'b1) begin
564
            mem[addra_int * 4 + 0] <= dia_int[0];
565
            mem[addra_int * 4 + 1] <= dia_int[1];
566
            mem[addra_int * 4 + 2] <= dia_int[2];
567
            mem[addra_int * 4 + 3] <= dia_int[3];
568
        end
569
    end
570
 
571
    // Port B
572
    always @(posedge clkb_int) begin
573
        if (enb_int == 1'b1) begin
574
            if (ssrb_int == 1'b1) begin
575
                dob_out[0] <= SRVAL_B[0];
576
                dob_out[1] <= SRVAL_B[1];
577
                dob_out[2] <= SRVAL_B[2];
578
                dob_out[3] <= SRVAL_B[3];
579
                dob_out[4] <= SRVAL_B[4];
580
                dob_out[5] <= SRVAL_B[5];
581
                dob_out[6] <= SRVAL_B[6];
582
                dob_out[7] <= SRVAL_B[7];
583
                dob_out[8] <= SRVAL_B[8];
584
                dob_out[9] <= SRVAL_B[9];
585
                dob_out[10] <= SRVAL_B[10];
586
                dob_out[11] <= SRVAL_B[11];
587
                dob_out[12] <= SRVAL_B[12];
588
                dob_out[13] <= SRVAL_B[13];
589
                dob_out[14] <= SRVAL_B[14];
590
                dob_out[15] <= SRVAL_B[15];
591
                dob_out[16] <= SRVAL_B[16];
592
                dob_out[17] <= SRVAL_B[17];
593
                dob_out[18] <= SRVAL_B[18];
594
                dob_out[19] <= SRVAL_B[19];
595
                dob_out[20] <= SRVAL_B[20];
596
                dob_out[21] <= SRVAL_B[21];
597
                dob_out[22] <= SRVAL_B[22];
598
                dob_out[23] <= SRVAL_B[23];
599
                dob_out[24] <= SRVAL_B[24];
600
                dob_out[25] <= SRVAL_B[25];
601
                dob_out[26] <= SRVAL_B[26];
602
                dob_out[27] <= SRVAL_B[27];
603
                dob_out[28] <= SRVAL_B[28];
604
                dob_out[29] <= SRVAL_B[29];
605
                dob_out[30] <= SRVAL_B[30];
606
                dob_out[31] <= SRVAL_B[31];
607
                dopb_out[0] <= SRVAL_B[32];
608
                dopb_out[1] <= SRVAL_B[33];
609
                dopb_out[2] <= SRVAL_B[34];
610
                dopb_out[3] <= SRVAL_B[35];
611
            end
612
            else begin
613
                if (web_int == 1'b1) begin
614
                    if (wr_mode_b == 2'b00) begin
615
                        dob_out[0] <= dib_int[0];
616
                        dob_out[1] <= dib_int[1];
617
                        dob_out[2] <= dib_int[2];
618
                        dob_out[3] <= dib_int[3];
619
                        dob_out[4] <= dib_int[4];
620
                        dob_out[5] <= dib_int[5];
621
                        dob_out[6] <= dib_int[6];
622
                        dob_out[7] <= dib_int[7];
623
                        dob_out[8] <= dib_int[8];
624
                        dob_out[9] <= dib_int[9];
625
                        dob_out[10] <= dib_int[10];
626
                        dob_out[11] <= dib_int[11];
627
                        dob_out[12] <= dib_int[12];
628
                        dob_out[13] <= dib_int[13];
629
                        dob_out[14] <= dib_int[14];
630
                        dob_out[15] <= dib_int[15];
631
                        dob_out[16] <= dib_int[16];
632
                        dob_out[17] <= dib_int[17];
633
                        dob_out[18] <= dib_int[18];
634
                        dob_out[19] <= dib_int[19];
635
                        dob_out[20] <= dib_int[20];
636
                        dob_out[21] <= dib_int[21];
637
                        dob_out[22] <= dib_int[22];
638
                        dob_out[23] <= dib_int[23];
639
                        dob_out[24] <= dib_int[24];
640
                        dob_out[25] <= dib_int[25];
641
                        dob_out[26] <= dib_int[26];
642
                        dob_out[27] <= dib_int[27];
643
                        dob_out[28] <= dib_int[28];
644
                        dob_out[29] <= dib_int[29];
645
                        dob_out[30] <= dib_int[30];
646
                        dob_out[31] <= dib_int[31];
647
                        dopb_out[0] <= dipb_int[0];
648
                        dopb_out[1] <= dipb_int[1];
649
                        dopb_out[2] <= dipb_int[2];
650
                        dopb_out[3] <= dipb_int[3];
651
                    end
652
                    else if (wr_mode_b == 2'b01) begin
653
                        dob_out[0] <= mem[addrb_int * 32 + 0];
654
                        dob_out[1] <= mem[addrb_int * 32 + 1];
655
                        dob_out[2] <= mem[addrb_int * 32 + 2];
656
                        dob_out[3] <= mem[addrb_int * 32 + 3];
657
                        dob_out[4] <= mem[addrb_int * 32 + 4];
658
                        dob_out[5] <= mem[addrb_int * 32 + 5];
659
                        dob_out[6] <= mem[addrb_int * 32 + 6];
660
                        dob_out[7] <= mem[addrb_int * 32 + 7];
661
                        dob_out[8] <= mem[addrb_int * 32 + 8];
662
                        dob_out[9] <= mem[addrb_int * 32 + 9];
663
                        dob_out[10] <= mem[addrb_int * 32 + 10];
664
                        dob_out[11] <= mem[addrb_int * 32 + 11];
665
                        dob_out[12] <= mem[addrb_int * 32 + 12];
666
                        dob_out[13] <= mem[addrb_int * 32 + 13];
667
                        dob_out[14] <= mem[addrb_int * 32 + 14];
668
                        dob_out[15] <= mem[addrb_int * 32 + 15];
669
                        dob_out[16] <= mem[addrb_int * 32 + 16];
670
                        dob_out[17] <= mem[addrb_int * 32 + 17];
671
                        dob_out[18] <= mem[addrb_int * 32 + 18];
672
                        dob_out[19] <= mem[addrb_int * 32 + 19];
673
                        dob_out[20] <= mem[addrb_int * 32 + 20];
674
                        dob_out[21] <= mem[addrb_int * 32 + 21];
675
                        dob_out[22] <= mem[addrb_int * 32 + 22];
676
                        dob_out[23] <= mem[addrb_int * 32 + 23];
677
                        dob_out[24] <= mem[addrb_int * 32 + 24];
678
                        dob_out[25] <= mem[addrb_int * 32 + 25];
679
                        dob_out[26] <= mem[addrb_int * 32 + 26];
680
                        dob_out[27] <= mem[addrb_int * 32 + 27];
681
                        dob_out[28] <= mem[addrb_int * 32 + 28];
682
                        dob_out[29] <= mem[addrb_int * 32 + 29];
683
                        dob_out[30] <= mem[addrb_int * 32 + 30];
684
                        dob_out[31] <= mem[addrb_int * 32 + 31];
685
                        dopb_out[0] <= mem[16384 + addrb_int * 4 + 0];
686
                        dopb_out[1] <= mem[16384 + addrb_int * 4 + 1];
687
                        dopb_out[2] <= mem[16384 + addrb_int * 4 + 2];
688
                        dopb_out[3] <= mem[16384 + addrb_int * 4 + 3];
689
                    end
690
                    else begin
691
                        dob_out[0] <= dob_out[0];
692
                        dob_out[1] <= dob_out[1];
693
                        dob_out[2] <= dob_out[2];
694
                        dob_out[3] <= dob_out[3];
695
                        dob_out[4] <= dob_out[4];
696
                        dob_out[5] <= dob_out[5];
697
                        dob_out[6] <= dob_out[6];
698
                        dob_out[7] <= dob_out[7];
699
                        dob_out[8] <= dob_out[8];
700
                        dob_out[9] <= dob_out[9];
701
                        dob_out[10] <= dob_out[10];
702
                        dob_out[11] <= dob_out[11];
703
                        dob_out[12] <= dob_out[12];
704
                        dob_out[13] <= dob_out[13];
705
                        dob_out[14] <= dob_out[14];
706
                        dob_out[15] <= dob_out[15];
707
                        dob_out[16] <= dob_out[16];
708
                        dob_out[17] <= dob_out[17];
709
                        dob_out[18] <= dob_out[18];
710
                        dob_out[19] <= dob_out[19];
711
                        dob_out[20] <= dob_out[20];
712
                        dob_out[21] <= dob_out[21];
713
                        dob_out[22] <= dob_out[22];
714
                        dob_out[23] <= dob_out[23];
715
                        dob_out[24] <= dob_out[24];
716
                        dob_out[25] <= dob_out[25];
717
                        dob_out[26] <= dob_out[26];
718
                        dob_out[27] <= dob_out[27];
719
                        dob_out[28] <= dob_out[28];
720
                        dob_out[29] <= dob_out[29];
721
                        dob_out[30] <= dob_out[30];
722
                        dob_out[31] <= dob_out[31];
723
                        dopb_out[0] <= dopb_out[0];
724
                        dopb_out[1] <= dopb_out[1];
725
                        dopb_out[2] <= dopb_out[2];
726
                        dopb_out[3] <= dopb_out[3];
727
                    end
728
                end
729
                else begin
730
                    dob_out[0] <= mem[addrb_int * 32 + 0];
731
                    dob_out[1] <= mem[addrb_int * 32 + 1];
732
                    dob_out[2] <= mem[addrb_int * 32 + 2];
733
                    dob_out[3] <= mem[addrb_int * 32 + 3];
734
                    dob_out[4] <= mem[addrb_int * 32 + 4];
735
                    dob_out[5] <= mem[addrb_int * 32 + 5];
736
                    dob_out[6] <= mem[addrb_int * 32 + 6];
737
                    dob_out[7] <= mem[addrb_int * 32 + 7];
738
                    dob_out[8] <= mem[addrb_int * 32 + 8];
739
                    dob_out[9] <= mem[addrb_int * 32 + 9];
740
                    dob_out[10] <= mem[addrb_int * 32 + 10];
741
                    dob_out[11] <= mem[addrb_int * 32 + 11];
742
                    dob_out[12] <= mem[addrb_int * 32 + 12];
743
                    dob_out[13] <= mem[addrb_int * 32 + 13];
744
                    dob_out[14] <= mem[addrb_int * 32 + 14];
745
                    dob_out[15] <= mem[addrb_int * 32 + 15];
746
                    dob_out[16] <= mem[addrb_int * 32 + 16];
747
                    dob_out[17] <= mem[addrb_int * 32 + 17];
748
                    dob_out[18] <= mem[addrb_int * 32 + 18];
749
                    dob_out[19] <= mem[addrb_int * 32 + 19];
750
                    dob_out[20] <= mem[addrb_int * 32 + 20];
751
                    dob_out[21] <= mem[addrb_int * 32 + 21];
752
                    dob_out[22] <= mem[addrb_int * 32 + 22];
753
                    dob_out[23] <= mem[addrb_int * 32 + 23];
754
                    dob_out[24] <= mem[addrb_int * 32 + 24];
755
                    dob_out[25] <= mem[addrb_int * 32 + 25];
756
                    dob_out[26] <= mem[addrb_int * 32 + 26];
757
                    dob_out[27] <= mem[addrb_int * 32 + 27];
758
                    dob_out[28] <= mem[addrb_int * 32 + 28];
759
                    dob_out[29] <= mem[addrb_int * 32 + 29];
760
                    dob_out[30] <= mem[addrb_int * 32 + 30];
761
                    dob_out[31] <= mem[addrb_int * 32 + 31];
762
                    dopb_out[0] <= mem[16384 + addrb_int * 4 + 0];
763
                    dopb_out[1] <= mem[16384 + addrb_int * 4 + 1];
764
                    dopb_out[2] <= mem[16384 + addrb_int * 4 + 2];
765
                    dopb_out[3] <= mem[16384 + addrb_int * 4 + 3];
766
                end
767
            end
768
        end
769
    end
770
 
771
    always @(posedge clkb_int) begin
772
        if (enb_int == 1'b1 && web_int == 1'b1) begin
773
            mem[addrb_int * 32 + 0] <= dib_int[0];
774
            mem[addrb_int * 32 + 1] <= dib_int[1];
775
            mem[addrb_int * 32 + 2] <= dib_int[2];
776
            mem[addrb_int * 32 + 3] <= dib_int[3];
777
            mem[addrb_int * 32 + 4] <= dib_int[4];
778
            mem[addrb_int * 32 + 5] <= dib_int[5];
779
            mem[addrb_int * 32 + 6] <= dib_int[6];
780
            mem[addrb_int * 32 + 7] <= dib_int[7];
781
            mem[addrb_int * 32 + 8] <= dib_int[8];
782
            mem[addrb_int * 32 + 9] <= dib_int[9];
783
            mem[addrb_int * 32 + 10] <= dib_int[10];
784
            mem[addrb_int * 32 + 11] <= dib_int[11];
785
            mem[addrb_int * 32 + 12] <= dib_int[12];
786
            mem[addrb_int * 32 + 13] <= dib_int[13];
787
            mem[addrb_int * 32 + 14] <= dib_int[14];
788
            mem[addrb_int * 32 + 15] <= dib_int[15];
789
            mem[addrb_int * 32 + 16] <= dib_int[16];
790
            mem[addrb_int * 32 + 17] <= dib_int[17];
791
            mem[addrb_int * 32 + 18] <= dib_int[18];
792
            mem[addrb_int * 32 + 19] <= dib_int[19];
793
            mem[addrb_int * 32 + 20] <= dib_int[20];
794
            mem[addrb_int * 32 + 21] <= dib_int[21];
795
            mem[addrb_int * 32 + 22] <= dib_int[22];
796
            mem[addrb_int * 32 + 23] <= dib_int[23];
797
            mem[addrb_int * 32 + 24] <= dib_int[24];
798
            mem[addrb_int * 32 + 25] <= dib_int[25];
799
            mem[addrb_int * 32 + 26] <= dib_int[26];
800
            mem[addrb_int * 32 + 27] <= dib_int[27];
801
            mem[addrb_int * 32 + 28] <= dib_int[28];
802
            mem[addrb_int * 32 + 29] <= dib_int[29];
803
            mem[addrb_int * 32 + 30] <= dib_int[30];
804
            mem[addrb_int * 32 + 31] <= dib_int[31];
805
            mem[16384 + addrb_int * 4 + 0] <= dipb_int[0];
806
            mem[16384 + addrb_int * 4 + 1] <= dipb_int[1];
807
            mem[16384 + addrb_int * 4 + 2] <= dipb_int[2];
808
            mem[16384 + addrb_int * 4 + 3] <= dipb_int[3];
809
        end
810
    end
811
 
812
    specify
813
        (CLKA *> DOA) = (1, 1);
814
        (CLKB *> DOB) = (1, 1);
815
        (CLKB *> DOPB) = (1, 1);
816
        $recovery (posedge CLKB, posedge CLKA &&& collision, 1, recovery_b);
817
        $recovery (posedge CLKA, posedge CLKB &&& collision, 1, recovery_a);
818
    endspecify
819
 
820
endmodule
821
 
822
`endcelldefine

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