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[/] [minsoc/] [trunk/] [bench/] [verilog/] [sim_lib/] [fpga_memory_primitives.v] - Blame information for rev 19

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//
//ALTERA_LPM
//
module lpm_ram_dq (
    address,
    inclock,
    outclock,
    data,
    we,
    q
);
 
parameter lpm_width = 8;
parameter lpm_widthad = 11;
 
localparam dw = lpm_width;
localparam aw = lpm_widthad;
 
input [aw-1:0] address;
input inclock;
input outclock;
input [dw-1:0] data;
input we;
output [dw-1:0] q;
 
reg     [dw-1:0] mem [(1<<aw)-1:0];       // RAM content
reg     [aw-1:0] addr_reg;               // RAM address register
 
//
// Data output drivers
//
assign doq = mem[addr_reg];
 
//
// RAM address register
//
always @(posedge inclock)
    addr_reg <= #1 address;
 
//
// RAM write
//
always @(posedge inclock)
        if (we)
                mem[address] <= #1 data;
 
endmodule
 
module altqpram (
        wraddress_a,
        inclocken_a,
        wraddress_b,
        wren_a,
        inclocken_b,
        wren_b,
        inaclr_a,
        inaclr_b,
        inclock_a,
        inclock_b,
        data_a,
        data_b,
        q_a,
        q_b
);
 
parameter width_write_a = 8;
parameter widthad_write_a = 11;
parameter width_write_b = 8;
parameter widthad_write_b = 11;
 
localparam dw = width_write_a;
localparam aw = widthad_write_a;
 
input inclock_a, inaclr_a, inclocken_a, wren_a, inclock_b, inaclr_b, inclocken_b, wren_b;
input [dw-1:0] data_a, data_b;
output [dw-1:0] q_a, q_b;
input [aw-1:0] wraddress_a, wraddress_b;
 
reg     [dw-1:0] mem [(1<<aw)-1:0];       // RAM content
reg     [aw-1:0] addr_reg_a;             // RAM address register
reg     [aw-1:0] addr_reg_b;             // RAM address register
 
//
// Data output drivers
//
assign q_a = mem[addr_reg_a][dw-1:0];
assign q_b = mem[addr_reg_b][dw-1:0];
 
//
// RAM address register
//
always @(posedge inclock_a or posedge inaclr_a)
    if ( inaclr_a == 1'b1 )
        addr_reg_a <= #1 {aw{1'b0}};
    else if ( inclocken_a )
        addr_reg_a <= #1 wraddress_a;
 
always @(posedge inclock_b or posedge inaclr_b)
    if ( inaclr_b == 1'b1 )
        addr_reg_b <= #1 {aw{1'b0}};
    else if ( inclocken_b )
        addr_reg_b <= #1 wraddress_b;
 
//
// RAM write
//
always @(posedge inclock_a)
        if (inclocken_a && wren_a)
                mem[wraddress_a] <= #1 data_a;
 
always @(posedge inclock_b)
        if (inclocken_b && wren_b)
                mem[wraddress_b] <= #1 data_b;
 
endmodule
//
// ~ALTERA_LPM
//
 
 
//
//XILINX_RAMB16
//
module RAMB16_S36_S36 (
    CLKA,
    SSRA,
    ADDRA,
    DIA,
    DIPA,
    ENA,
    WEA,
    DOA,
    DOPA,
 
    CLKB,
    SSRB,
    ADDRB,
    DIB,
    DIPB,
    ENB,
    WEB,
    DOB,
    DOPB
);
 
parameter dw = 32;
parameter dwp = 4;
parameter aw = 9;
 
input CLKA, SSRA, ENA, WEA, CLKB, SSRB, ENB, WEB;
input [dw-1:0] DIA, DIB;
output [dw-1:0] DOA, DOB;
input [dwp-1:0] DIPA, DIPB;
output [dwp-1:0] DOPA, DOPB;
input [aw-1:0] ADDRA, ADDRB;
 
reg     [dw+dwp-1:0]     mem [(1<<aw)-1:0];       // RAM content
reg     [aw-1:0] addr_reg_a;             // RAM address register
reg     [aw-1:0] addr_reg_b;             // RAM address register
 
//
// Data output drivers
//
assign DOA = mem[addr_reg_a][dw-1:0];
assign DOPA = mem[addr_reg_a][dwp+dw-1:dw];
assign DOB = mem[addr_reg_b][dw-1:0];
assign DOPB = mem[addr_reg_b][dwp+dw-1:dw];
 
//
// RAM address register
//
always @(posedge CLKA or posedge SSRA)
    if ( SSRA == 1'b1 )
        addr_reg_a <= #1 {aw{1'b0}};
    else if ( ENA )
        addr_reg_a <= #1 ADDRA;
 
always @(posedge CLKB or posedge SSRB)
    if ( SSRB == 1'b1 )
        addr_reg_b <= #1 {aw{1'b0}};
    else if ( ENB )
        addr_reg_b <= #1 ADDRB;
 
//
// RAM write
//
always @(posedge CLKA)
        if (ENA && WEA)
                mem[ADDRA] <= #1 { DIPA , DIA };
 
always @(posedge CLKB)
        if (ENB && WEB)
                mem[ADDRB] <= #1 { DIPB , DIB };
 
endmodule
 
 
module RAMB16_S9 (
    CLK,
    SSR,
    ADDR,
    DI,
    DIP,
    EN,
    WE,
    DO,
    DOP
);
 
parameter dw = 8;
parameter dwp = 1;
parameter aw = 11;
 
input CLK, SSR, EN, WE;
input [dw-1:0] DI;
output [dw-1:0] DO;
input [dwp-1:0] DIP;
output [dwp-1:0] DOP;
input [aw-1:0] ADDR;
 
reg     [dw+dwp-1:0]     mem [(1<<aw)-1:0];       // RAM content
reg     [aw-1:0] addr_reg;               // RAM address register
 
//
// Data output drivers
//
assign DO = mem[addr_reg][dw-1:0];
assign DOP = mem[addr_reg][dwp+dw-1:dw];
 
//
// RAM address register
//
always @(posedge CLK or posedge SSR)
    if ( SSR == 1'b1 )
        addr_reg <= #1 {aw{1'b0}};
    else if ( EN )
        addr_reg <= #1 ADDR;
 
//
// RAM write
//
always @(posedge CLK)
        if (EN && WE)
                mem[ADDR] <= #1 { DIP , DI };
 
endmodule
 
 
module RAMB16_S36 (
    CLK,
    SSR,
    ADDR,
    DI,
    DIP,
    EN,
    WE,
    DO,
    DOP
);
 
parameter dw = 32;
parameter dwp = 4;
parameter aw = 9;
 
input CLK, SSR, EN, WE;
input [dw-1:0] DI;
output [dw-1:0] DO;
input [dwp-1:0] DIP;
output [dwp-1:0] DOP;
input [aw-1:0] ADDR;
 
reg     [dw+dwp-1:0]     mem [(1<<aw)-1:0];       // RAM content
reg     [aw-1:0] addr_reg;               // RAM address register
 
//
// Data output drivers
//
assign DO = mem[addr_reg][dw-1:0];
assign DOP = mem[addr_reg][dwp+dw-1:dw];
 
//
// RAM address register
//
always @(posedge CLK or posedge SSR)
    if ( SSR == 1'b1 )
        addr_reg <= #1 {aw{1'b0}};
    else if ( EN )
        addr_reg <= #1 ADDR;
 
//
// RAM write
//
always @(posedge CLK)
        if (EN && WE)
                mem[ADDR] <= #1 { DIP , DI };
 
endmodule
 
 
module RAMB16_S18 (
    CLK,
    SSR,
    ADDR,
    DI,
    DIP,
    EN,
    WE,
    DO,
    DOP
);
 
parameter dw = 16;
parameter dwp = 2;
parameter aw = 10;
 
input CLK, SSR, EN, WE;
input [dw-1:0] DI;
output [dw-1:0] DO;
input [dwp-1:0] DIP;
output [dwp-1:0] DOP;
input [aw-1:0] ADDR;
 
reg     [dw+dwp-1:0]     mem [(1<<aw)-1:0];       // RAM content
reg     [aw-1:0] addr_reg;               // RAM address register
 
//
// Data output drivers
//
assign DO = mem[addr_reg][dw-1:0];
assign DOP = mem[addr_reg][dwp+dw-1:dw];
 
//
// RAM address register
//
always @(posedge CLK or posedge SSR)
    if ( SSR == 1'b1 )
        addr_reg <= #1 {aw{1'b0}};
    else if ( EN )
        addr_reg <= #1 ADDR;
 
//
// RAM write
//
always @(posedge CLK)
        if (EN && WE)
                mem[ADDR] <= #1 { DIP , DI };
 
endmodule
//
//~XILINX_RAMB16
//
 
 
//
//XILINX_RAMB4
//
module RAMB4_S16_S16 (
    CLKA,
    RSTA,
    ADDRA,
    DIA,
    ENA,
    WEA,
    DOA,
 
    CLKB,
    RSTB,
    ADDRB,
    DIB,
    ENB,
    WEB,
    DOB
);
 
parameter dw = 16;
parameter aw = 8;
 
input CLKA, RSTA, ENA, WEA, CLKB, RSTB, ENB, WEB;
input [dw-1:0] DIA, DIB;
output [dw-1:0] DOA, DOB;
input [aw-1:0] ADDRA, ADDRB;
 
reg     [dw-1:0] mem [(1<<aw)-1:0];       // RAM content
reg     [aw-1:0] addr_reg_a;             // RAM address register
reg     [aw-1:0] addr_reg_b;             // RAM address register
 
//
// Data output drivers
//
assign DOA = mem[addr_reg_a][dw-1:0];
assign DOB = mem[addr_reg_b][dw-1:0];
 
//
// RAM address register
//
always @(posedge CLKA or posedge RSTA)
    if ( RSTA == 1'b1 )
        addr_reg_a <= #1 {aw{1'b0}};
    else if ( ENA )
        addr_reg_a <= #1 ADDRA;
 
always @(posedge CLKB or posedge RSTB)
    if ( RSTB == 1'b1 )
        addr_reg_b <= #1 {aw{1'b0}};
    else if ( ENB )
        addr_reg_b <= #1 ADDRB;
 
//
// RAM write
//
always @(posedge CLKA)
        if (ENA && WEA)
                mem[ADDRA] <= #1 DIA;
 
always @(posedge CLKB)
        if (ENB && WEB)
                mem[ADDRB] <= #1 DIB;
 
endmodule
 
module RAMB4_S4 (
    CLK,
    RST,
    ADDR,
    DI,
    EN,
    WE,
    DO,
);
 
parameter dw = 4;
parameter aw = 10;
 
input CLK, RST, EN, WE;
input [dw-1:0] DI;
output [dw-1:0] DO;
input [aw-1:0] ADDR;
 
reg     [dw-1:0] mem [(1<<aw)-1:0];       // RAM content
reg     [aw-1:0] addr_reg;               // RAM address register
 
//
// Data output drivers
//
assign DO = mem[addr_reg][dw-1:0];
 
//
// RAM address register
//
always @(posedge CLK or posedge RST)
    if ( RST == 1'b1 )
        addr_reg <= #1 {aw{1'b0}};
    else if ( EN )
        addr_reg <= #1 ADDR;
 
//
// RAM write
//
always @(posedge CLK)
        if (EN && WE)
                mem[ADDR] <= #1 DI;
 
endmodule
 
module RAMB4_S16 (
    CLK,
    RST,
    ADDR,
    DI,
    EN,
    WE,
    DO
);
 
parameter dw = 16;
parameter aw = 8;
 
input CLK, RST, EN, WE;
input [dw-1:0] DI;
output [dw-1:0] DO;
input [aw-1:0] ADDR;
 
reg     [dw-1:0] mem [(1<<aw)-1:0];       // RAM content
reg     [aw-1:0] addr_reg;               // RAM address register
 
//
// Data output drivers
//
assign DO = mem[addr_reg][dw-1:0];
 
//
// RAM address register
//
always @(posedge CLK or posedge RST)
    if ( RST == 1'b1 )
        addr_reg <= #1 {aw{1'b0}};
    else if ( EN )
        addr_reg <= #1 ADDR;
 
//
// RAM write
//
always @(posedge CLK)
        if (EN && WE)
                mem[ADDR] <= #1 DI;
 
endmodule
 
module RAMB4_S2 (
    CLK,
    RST,
    ADDR,
    DI,
    EN,
    WE,
    DO,
);
 
parameter dw = 2;
parameter aw = 11;
 
input CLK, RST, EN, WE;
input [dw-1:0] DI;
output [dw-1:0] DO;
input [aw-1:0] ADDR;
 
reg     [dw-1:0] mem [(1<<aw)-1:0];       // RAM content
reg     [aw-1:0] addr_reg;               // RAM address register
 
//
// Data output drivers
//
assign DO = mem[addr_reg][dw-1:0];
 
//
// RAM address register
//
always @(posedge CLK or posedge RST)
    if ( RST == 1'b1 )
        addr_reg <= #1 {aw{1'b0}};
    else if ( EN )
        addr_reg <= #1 ADDR;
 
//
// RAM write
//
always @(posedge CLK)
        if (EN && WE)
                mem[ADDR] <= #1 DI;
 
endmodule
 
module RAMB4_S8 (
    CLK,
    RST,
    ADDR,
    DI,
    EN,
    WE,
    DO,
);
 
parameter dw = 8;
parameter aw = 9;
 
input CLK, RST, EN, WE;
input [dw-1:0] DI;
output [dw-1:0] DO;
input [aw-1:0] ADDR;
 
reg     [dw-1:0] mem [(1<<aw)-1:0];       // RAM content
reg     [aw-1:0] addr_reg;               // RAM address register
 
//
// Data output drivers
//
assign DO = mem[addr_reg][dw-1:0];
 
//
// RAM address register
//
always @(posedge CLK or posedge RST)
    if ( RST == 1'b1 )
        addr_reg <= #1 {aw{1'b0}};
    else if ( EN )
        addr_reg <= #1 ADDR;
 
//
// RAM write
//
always @(posedge CLK)
        if (EN && WE)
                mem[ADDR] <= #1 DI;
 
endmodule
//
// ~XILINX_RAMB4
//
 
 
//
// XILINX_RAM32X1D
//
module RAM32X1D (
    DPO,
    SPO,
    A0,
    A1,
    A2,
    A3,
    A4,
    D,
    DPRA0,
    DPRA1,
    DPRA2,
    DPRA3,
    DPRA4,
    WCLK,
    WE
);
 
parameter dw = 1;
parameter aw = 5;
 
output DPO, SPO;
input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4;
input A0, A1, A2, A3, A4;
input D;
input WCLK;
input WE;
 
reg     [dw-1:0] mem [(1<<aw)-1:0];       // RAM content
 
//
// Data output drivers
//
assign DPO = mem[{DPRA4 , DPRA3 , DPRA2 , DPRA1 , DPRA0}][dw-1:0];
assign SPO = mem[{A4 , A3 , A2 , A1 , A0}][dw-1:0];
 
//
// RAM write
//
always @(posedge WCLK)
        if (WE)
                mem[{A4 , A3 , A2 , A1 , A0}] <= #1 D;
 
endmodule
//
// ~XILINX_RAM32X1D
//
 
 
//
// USE_RAM16X1D_FOR_RAM32X1D
//
module RAM16X1D (
    DPO,
    SPO,
    A0,
    A1,
    A2,
    A3,
    D,
    DPRA0,
    DPRA1,
    DPRA2,
    DPRA3,
    WCLK,
    WE
);
 
parameter dw = 1;
parameter aw = 4;
 
output DPO, SPO;
input DPRA0, DPRA1, DPRA2, DPRA3;
input A0, A1, A2, A3;
input D;
input WCLK;
input WE;
 
reg     [dw-1:0] mem [(1<<aw)-1:0];       // RAM content
 
//
// Data output drivers
//
assign DPO = mem[{DPRA3 , DPRA2 , DPRA1 , DPRA0}][dw-1:0];
assign SPO = mem[{A3 , A2 , A1 , A0}][dw-1:0];
 
//
// RAM write
//
always @(posedge WCLK)
        if (WE)
                mem[{A3 , A2 , A1 , A0}] <= #1 D;
 
endmodule
//
// ~USE_RAM16X1D_FOR_RAM32X1D
//

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[/] [minsoc/] [trunk/] [bench/] [verilog/] [sim_lib/] [fpga_memory_primitives.v] - Blame information for rev 19

Line No.	Rev	Author	Line
1	10	rfajardo
2			`//`
3			`//ALTERA_LPM`
4			`//`
5			`module lpm_ram_dq (`
6			`address,`
7			`inclock,`
8			`outclock,`
9			`data,`
10			`we,`
11			`q`
12			`);`
13
14			`parameter lpm_width = 8;`
15			`parameter lpm_widthad = 11;`
16
17			`localparam dw = lpm_width;`
18			`localparam aw = lpm_widthad;`
19
20			`input [aw-1:0] address;`
21			`input inclock;`
22			`input outclock;`
23			`input [dw-1:0] data;`
24			`input we;`
25			`output [dw-1:0] q;`
26
27			`reg [dw-1:0] mem [(1<<aw)-1:0]; // RAM content`
28			`reg [aw-1:0] addr_reg; // RAM address register`
29
30			`//`
31			`// Data output drivers`
32			`//`
33			`assign doq = mem[addr_reg];`
34
35			`//`
36			`// RAM address register`
37			`//`
38			`always @(posedge inclock)`
39			`addr_reg <= #1 address;`
40
41			`//`
42			`// RAM write`
43			`//`
44			`always @(posedge inclock)`
45			`if (we)`
46			`mem[address] <= #1 data;`
47
48			`endmodule`
49
50			`module altqpram (`
51			`wraddress_a,`
52			`inclocken_a,`
53			`wraddress_b,`
54			`wren_a,`
55			`inclocken_b,`
56			`wren_b,`
57			`inaclr_a,`
58			`inaclr_b,`
59			`inclock_a,`
60			`inclock_b,`
61			`data_a,`
62			`data_b,`
63			`q_a,`
64			`q_b`
65			`);`
66
67			`parameter width_write_a = 8;`
68			`parameter widthad_write_a = 11;`
69			`parameter width_write_b = 8;`
70			`parameter widthad_write_b = 11;`
71
72			`localparam dw = width_write_a;`
73			`localparam aw = widthad_write_a;`
74
75			`input inclock_a, inaclr_a, inclocken_a, wren_a, inclock_b, inaclr_b, inclocken_b, wren_b;`
76			`input [dw-1:0] data_a, data_b;`
77			`output [dw-1:0] q_a, q_b;`
78			`input [aw-1:0] wraddress_a, wraddress_b;`
79
80			`reg [dw-1:0] mem [(1<<aw)-1:0]; // RAM content`
81			`reg [aw-1:0] addr_reg_a; // RAM address register`
82			`reg [aw-1:0] addr_reg_b; // RAM address register`
83
84			`//`
85			`// Data output drivers`
86			`//`
87			`assign q_a = mem[addr_reg_a][dw-1:0];`
88			`assign q_b = mem[addr_reg_b][dw-1:0];`
89
90			`//`
91			`// RAM address register`
92			`//`
93			`always @(posedge inclock_a or posedge inaclr_a)`
94			`if ( inaclr_a == 1'b1 )`
95			`addr_reg_a <= #1 {aw{1'b0}};`
96			`else if ( inclocken_a )`
97			`addr_reg_a <= #1 wraddress_a;`
98
99			`always @(posedge inclock_b or posedge inaclr_b)`
100			`if ( inaclr_b == 1'b1 )`
101			`addr_reg_b <= #1 {aw{1'b0}};`
102			`else if ( inclocken_b )`
103			`addr_reg_b <= #1 wraddress_b;`
104
105			`//`
106			`// RAM write`
107			`//`
108			`always @(posedge inclock_a)`
109			`if (inclocken_a && wren_a)`
110			`mem[wraddress_a] <= #1 data_a;`
111
112			`always @(posedge inclock_b)`
113			`if (inclocken_b && wren_b)`
114			`mem[wraddress_b] <= #1 data_b;`
115
116			`endmodule`
117			`//`
118			`// ~ALTERA_LPM`
119			`//`
120
121
122			`//`
123			`//XILINX_RAMB16`
124			`//`
125			`module RAMB16_S36_S36 (`
126			`CLKA,`
127			`SSRA,`
128			`ADDRA,`
129			`DIA,`
130			`DIPA,`
131			`ENA,`
132			`WEA,`
133			`DOA,`
134			`DOPA,`
135
136			`CLKB,`
137			`SSRB,`
138			`ADDRB,`
139			`DIB,`
140			`DIPB,`
141			`ENB,`
142			`WEB,`
143			`DOB,`
144			`DOPB`
145			`);`
146
147			`parameter dw = 32;`
148			`parameter dwp = 4;`
149			`parameter aw = 9;`
150
151			`input CLKA, SSRA, ENA, WEA, CLKB, SSRB, ENB, WEB;`
152			`input [dw-1:0] DIA, DIB;`
153			`output [dw-1:0] DOA, DOB;`
154			`input [dwp-1:0] DIPA, DIPB;`
155			`output [dwp-1:0] DOPA, DOPB;`
156			`input [aw-1:0] ADDRA, ADDRB;`
157
158			`reg [dw+dwp-1:0] mem [(1<<aw)-1:0]; // RAM content`
159			`reg [aw-1:0] addr_reg_a; // RAM address register`
160			`reg [aw-1:0] addr_reg_b; // RAM address register`
161
162			`//`
163			`// Data output drivers`
164			`//`
165			`assign DOA = mem[addr_reg_a][dw-1:0];`
166			`assign DOPA = mem[addr_reg_a][dwp+dw-1:dw];`
167			`assign DOB = mem[addr_reg_b][dw-1:0];`
168			`assign DOPB = mem[addr_reg_b][dwp+dw-1:dw];`
169
170			`//`
171			`// RAM address register`
172			`//`
173			`always @(posedge CLKA or posedge SSRA)`
174			`if ( SSRA == 1'b1 )`
175			`addr_reg_a <= #1 {aw{1'b0}};`
176			`else if ( ENA )`
177			`addr_reg_a <= #1 ADDRA;`
178
179			`always @(posedge CLKB or posedge SSRB)`
180			`if ( SSRB == 1'b1 )`
181			`addr_reg_b <= #1 {aw{1'b0}};`
182			`else if ( ENB )`
183			`addr_reg_b <= #1 ADDRB;`
184
185			`//`
186			`// RAM write`
187			`//`
188			`always @(posedge CLKA)`
189			`if (ENA && WEA)`
190			`mem[ADDRA] <= #1 { DIPA , DIA };`
191
192			`always @(posedge CLKB)`
193			`if (ENB && WEB)`
194			`mem[ADDRB] <= #1 { DIPB , DIB };`
195
196			`endmodule`
197
198
199			`module RAMB16_S9 (`
200			`CLK,`
201			`SSR,`
202			`ADDR,`
203			`DI,`
204			`DIP,`
205			`EN,`
206			`WE,`
207			`DO,`
208			`DOP`
209			`);`
210
211			`parameter dw = 8;`
212			`parameter dwp = 1;`
213			`parameter aw = 11;`
214
215			`input CLK, SSR, EN, WE;`
216			`input [dw-1:0] DI;`
217			`output [dw-1:0] DO;`
218			`input [dwp-1:0] DIP;`
219			`output [dwp-1:0] DOP;`
220			`input [aw-1:0] ADDR;`
221
222			`reg [dw+dwp-1:0] mem [(1<<aw)-1:0]; // RAM content`
223			`reg [aw-1:0] addr_reg; // RAM address register`
224
225			`//`
226			`// Data output drivers`
227			`//`
228			`assign DO = mem[addr_reg][dw-1:0];`
229			`assign DOP = mem[addr_reg][dwp+dw-1:dw];`
230
231			`//`
232			`// RAM address register`
233			`//`
234			`always @(posedge CLK or posedge SSR)`
235			`if ( SSR == 1'b1 )`
236			`addr_reg <= #1 {aw{1'b0}};`
237			`else if ( EN )`
238			`addr_reg <= #1 ADDR;`
239
240			`//`
241			`// RAM write`
242			`//`
243			`always @(posedge CLK)`
244			`if (EN && WE)`
245			`mem[ADDR] <= #1 { DIP , DI };`
246
247			`endmodule`
248
249
250			`module RAMB16_S36 (`
251			`CLK,`
252			`SSR,`
253			`ADDR,`
254			`DI,`
255			`DIP,`
256			`EN,`
257			`WE,`
258			`DO,`
259			`DOP`
260			`);`
261
262			`parameter dw = 32;`
263			`parameter dwp = 4;`
264			`parameter aw = 9;`
265
266			`input CLK, SSR, EN, WE;`
267			`input [dw-1:0] DI;`
268			`output [dw-1:0] DO;`
269			`input [dwp-1:0] DIP;`
270			`output [dwp-1:0] DOP;`
271			`input [aw-1:0] ADDR;`
272
273			`reg [dw+dwp-1:0] mem [(1<<aw)-1:0]; // RAM content`
274			`reg [aw-1:0] addr_reg; // RAM address register`
275
276			`//`
277			`// Data output drivers`
278			`//`
279			`assign DO = mem[addr_reg][dw-1:0];`
280			`assign DOP = mem[addr_reg][dwp+dw-1:dw];`
281
282			`//`
283			`// RAM address register`
284			`//`
285			`always @(posedge CLK or posedge SSR)`
286			`if ( SSR == 1'b1 )`
287			`addr_reg <= #1 {aw{1'b0}};`
288			`else if ( EN )`
289			`addr_reg <= #1 ADDR;`
290
291			`//`
292			`// RAM write`
293			`//`
294			`always @(posedge CLK)`
295			`if (EN && WE)`
296			`mem[ADDR] <= #1 { DIP , DI };`
297
298			`endmodule`
299
300
301			`module RAMB16_S18 (`
302			`CLK,`
303			`SSR,`
304			`ADDR,`
305			`DI,`
306			`DIP,`
307			`EN,`
308			`WE,`
309			`DO,`
310			`DOP`
311			`);`
312
313			`parameter dw = 16;`
314			`parameter dwp = 2;`
315			`parameter aw = 10;`
316
317			`input CLK, SSR, EN, WE;`
318			`input [dw-1:0] DI;`
319			`output [dw-1:0] DO;`
320			`input [dwp-1:0] DIP;`
321			`output [dwp-1:0] DOP;`
322			`input [aw-1:0] ADDR;`
323
324			`reg [dw+dwp-1:0] mem [(1<<aw)-1:0]; // RAM content`
325			`reg [aw-1:0] addr_reg; // RAM address register`
326
327			`//`
328			`// Data output drivers`
329			`//`
330			`assign DO = mem[addr_reg][dw-1:0];`
331			`assign DOP = mem[addr_reg][dwp+dw-1:dw];`
332
333			`//`
334			`// RAM address register`
335			`//`
336			`always @(posedge CLK or posedge SSR)`
337			`if ( SSR == 1'b1 )`
338			`addr_reg <= #1 {aw{1'b0}};`
339			`else if ( EN )`
340			`addr_reg <= #1 ADDR;`
341
342			`//`
343			`// RAM write`
344			`//`
345			`always @(posedge CLK)`
346			`if (EN && WE)`
347			`mem[ADDR] <= #1 { DIP , DI };`
348
349			`endmodule`
350			`//`
351			`//~XILINX_RAMB16`
352			`//`
353
354
355			`//`
356			`//XILINX_RAMB4`
357			`//`
358			`module RAMB4_S16_S16 (`
359			`CLKA,`
360			`RSTA,`
361			`ADDRA,`
362			`DIA,`
363			`ENA,`
364			`WEA,`
365			`DOA,`
366
367			`CLKB,`
368			`RSTB,`
369			`ADDRB,`
370			`DIB,`
371			`ENB,`
372			`WEB,`
373			`DOB`
374			`);`
375
376			`parameter dw = 16;`
377			`parameter aw = 8;`
378
379			`input CLKA, RSTA, ENA, WEA, CLKB, RSTB, ENB, WEB;`
380			`input [dw-1:0] DIA, DIB;`
381			`output [dw-1:0] DOA, DOB;`
382			`input [aw-1:0] ADDRA, ADDRB;`
383
384			`reg [dw-1:0] mem [(1<<aw)-1:0]; // RAM content`
385			`reg [aw-1:0] addr_reg_a; // RAM address register`
386			`reg [aw-1:0] addr_reg_b; // RAM address register`
387
388			`//`
389			`// Data output drivers`
390			`//`
391			`assign DOA = mem[addr_reg_a][dw-1:0];`
392			`assign DOB = mem[addr_reg_b][dw-1:0];`
393
394			`//`
395			`// RAM address register`
396			`//`
397			`always @(posedge CLKA or posedge RSTA)`
398			`if ( RSTA == 1'b1 )`
399			`addr_reg_a <= #1 {aw{1'b0}};`
400			`else if ( ENA )`
401			`addr_reg_a <= #1 ADDRA;`
402
403			`always @(posedge CLKB or posedge RSTB)`
404			`if ( RSTB == 1'b1 )`
405			`addr_reg_b <= #1 {aw{1'b0}};`
406			`else if ( ENB )`
407			`addr_reg_b <= #1 ADDRB;`
408
409			`//`
410			`// RAM write`
411			`//`
412			`always @(posedge CLKA)`
413			`if (ENA && WEA)`
414			`mem[ADDRA] <= #1 DIA;`
415
416			`always @(posedge CLKB)`
417			`if (ENB && WEB)`
418			`mem[ADDRB] <= #1 DIB;`
419
420			`endmodule`
421
422			`module RAMB4_S4 (`
423			`CLK,`
424			`RST,`
425			`ADDR,`
426			`DI,`
427			`EN,`
428			`WE,`
429			`DO,`
430			`);`
431
432			`parameter dw = 4;`
433			`parameter aw = 10;`
434
435			`input CLK, RST, EN, WE;`
436			`input [dw-1:0] DI;`
437			`output [dw-1:0] DO;`
438			`input [aw-1:0] ADDR;`
439
440			`reg [dw-1:0] mem [(1<<aw)-1:0]; // RAM content`
441			`reg [aw-1:0] addr_reg; // RAM address register`
442
443			`//`
444			`// Data output drivers`
445			`//`
446			`assign DO = mem[addr_reg][dw-1:0];`
447
448			`//`
449			`// RAM address register`
450			`//`
451			`always @(posedge CLK or posedge RST)`
452			`if ( RST == 1'b1 )`
453			`addr_reg <= #1 {aw{1'b0}};`
454			`else if ( EN )`
455			`addr_reg <= #1 ADDR;`
456
457			`//`
458			`// RAM write`
459			`//`
460			`always @(posedge CLK)`
461			`if (EN && WE)`
462			`mem[ADDR] <= #1 DI;`
463
464			`endmodule`
465
466			`module RAMB4_S16 (`
467			`CLK,`
468			`RST,`
469			`ADDR,`
470			`DI,`
471			`EN,`
472			`WE,`
473			`DO`
474			`);`
475
476			`parameter dw = 16;`
477			`parameter aw = 8;`
478
479			`input CLK, RST, EN, WE;`
480			`input [dw-1:0] DI;`
481			`output [dw-1:0] DO;`
482			`input [aw-1:0] ADDR;`
483
484			`reg [dw-1:0] mem [(1<<aw)-1:0]; // RAM content`
485			`reg [aw-1:0] addr_reg; // RAM address register`
486
487			`//`
488			`// Data output drivers`
489			`//`
490			`assign DO = mem[addr_reg][dw-1:0];`
491
492			`//`
493			`// RAM address register`
494			`//`
495			`always @(posedge CLK or posedge RST)`
496			`if ( RST == 1'b1 )`
497			`addr_reg <= #1 {aw{1'b0}};`
498			`else if ( EN )`
499			`addr_reg <= #1 ADDR;`
500
501			`//`
502			`// RAM write`
503			`//`
504			`always @(posedge CLK)`
505			`if (EN && WE)`
506			`mem[ADDR] <= #1 DI;`
507
508			`endmodule`
509
510			`module RAMB4_S2 (`
511			`CLK,`
512			`RST,`
513			`ADDR,`
514			`DI,`
515			`EN,`
516			`WE,`
517			`DO,`
518			`);`
519
520			`parameter dw = 2;`
521			`parameter aw = 11;`
522
523			`input CLK, RST, EN, WE;`
524			`input [dw-1:0] DI;`
525			`output [dw-1:0] DO;`
526			`input [aw-1:0] ADDR;`
527
528			`reg [dw-1:0] mem [(1<<aw)-1:0]; // RAM content`
529			`reg [aw-1:0] addr_reg; // RAM address register`
530
531			`//`
532			`// Data output drivers`
533			`//`
534			`assign DO = mem[addr_reg][dw-1:0];`
535
536			`//`
537			`// RAM address register`
538			`//`
539			`always @(posedge CLK or posedge RST)`
540			`if ( RST == 1'b1 )`
541			`addr_reg <= #1 {aw{1'b0}};`
542			`else if ( EN )`
543			`addr_reg <= #1 ADDR;`
544
545			`//`
546			`// RAM write`
547			`//`
548			`always @(posedge CLK)`
549			`if (EN && WE)`
550			`mem[ADDR] <= #1 DI;`
551
552			`endmodule`
553
554			`module RAMB4_S8 (`
555			`CLK,`
556			`RST,`
557			`ADDR,`
558			`DI,`
559			`EN,`
560			`WE,`
561			`DO,`
562			`);`
563
564			`parameter dw = 8;`
565			`parameter aw = 9;`
566
567			`input CLK, RST, EN, WE;`
568			`input [dw-1:0] DI;`
569			`output [dw-1:0] DO;`
570			`input [aw-1:0] ADDR;`
571
572			`reg [dw-1:0] mem [(1<<aw)-1:0]; // RAM content`
573			`reg [aw-1:0] addr_reg; // RAM address register`
574
575			`//`
576			`// Data output drivers`
577			`//`
578			`assign DO = mem[addr_reg][dw-1:0];`
579
580			`//`
581			`// RAM address register`
582			`//`
583			`always @(posedge CLK or posedge RST)`
584			`if ( RST == 1'b1 )`
585			`addr_reg <= #1 {aw{1'b0}};`
586			`else if ( EN )`
587			`addr_reg <= #1 ADDR;`
588
589			`//`
590			`// RAM write`
591			`//`
592			`always @(posedge CLK)`
593			`if (EN && WE)`
594			`mem[ADDR] <= #1 DI;`
595
596			`endmodule`
597			`//`
598			`// ~XILINX_RAMB4`
599			`//`
600
601
602			`//`
603			`// XILINX_RAM32X1D`
604			`//`
605			`module RAM32X1D (`
606			`DPO,`
607			`SPO,`
608			`A0,`
609			`A1,`
610			`A2,`
611			`A3,`
612			`A4,`
613			`D,`
614			`DPRA0,`
615			`DPRA1,`
616			`DPRA2,`
617			`DPRA3,`
618			`DPRA4,`
619			`WCLK,`
620			`WE`
621			`);`
622
623			`parameter dw = 1;`
624			`parameter aw = 5;`
625
626			`output DPO, SPO;`
627			`input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4;`
628			`input A0, A1, A2, A3, A4;`
629			`input D;`
630			`input WCLK;`
631			`input WE;`
632
633			`reg [dw-1:0] mem [(1<<aw)-1:0]; // RAM content`
634
635			`//`
636			`// Data output drivers`
637			`//`
638			`assign DPO = mem[{DPRA4 , DPRA3 , DPRA2 , DPRA1 , DPRA0}][dw-1:0];`
639			`assign SPO = mem[{A4 , A3 , A2 , A1 , A0}][dw-1:0];`
640
641			`//`
642			`// RAM write`
643			`//`
644			`always @(posedge WCLK)`
645			`if (WE)`
646			`mem[{A4 , A3 , A2 , A1 , A0}] <= #1 D;`
647
648			`endmodule`
649			`//`
650	17	rfajardo	`// ~XILINX_RAM32X1D`
651	10	rfajardo	`//`
652
653
654			`//`
655			`// USE_RAM16X1D_FOR_RAM32X1D`
656			`//`
657			`module RAM16X1D (`
658			`DPO,`
659			`SPO,`
660			`A0,`
661			`A1,`
662			`A2,`
663			`A3,`
664			`D,`
665			`DPRA0,`
666			`DPRA1,`
667			`DPRA2,`
668			`DPRA3,`
669			`WCLK,`
670			`WE`
671			`);`
672
673			`parameter dw = 1;`
674			`parameter aw = 4;`
675
676			`output DPO, SPO;`
677			`input DPRA0, DPRA1, DPRA2, DPRA3;`
678			`input A0, A1, A2, A3;`
679			`input D;`
680			`input WCLK;`
681			`input WE;`
682
683			`reg [dw-1:0] mem [(1<<aw)-1:0]; // RAM content`
684
685			`//`
686			`// Data output drivers`
687			`//`
688			`assign DPO = mem[{DPRA3 , DPRA2 , DPRA1 , DPRA0}][dw-1:0];`
689			`assign SPO = mem[{A3 , A2 , A1 , A0}][dw-1:0];`
690
691			`//`
692			`// RAM write`
693			`//`
694			`always @(posedge WCLK)`
695			`if (WE)`
696			`mem[{A3 , A2 , A1 , A0}] <= #1 D;`
697
698			`endmodule`
699			`//`
700	17	rfajardo	`// ~USE_RAM16X1D_FOR_RAM32X1D`
701	10	rfajardo	`//`