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//
//ALTERA_LPM
//
module lpm_ram_dq (
    address,
    inclock,
    outclock,
    data,
    we,
    q
);
 
parameter lpm_width = 8;
parameter lpm_widthad = 11;
parameter lpm_indata = "REGISTERED";            //This 4 parameters are included only to avoid warnings
parameter lpm_address_control = "REGISTERED";   //they are not accessed inside the module. OR1200 uses this 
parameter lpm_outdata = "UNREGISTERED";         //configuration set on all its instantiations, so this is fine.
parameter lpm_hint = "USE_EAB=ON";              //It may not be fine, if you are adding this library to your 
                                                //own system, which uses this module with another configuration.
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 q = 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/] [branches/] [rc-1.0/] [bench/] [verilog/] [sim_lib/] [fpga_memory_primitives.v] - Blame information for rev 121

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	27	rfajardo	`parameter lpm_indata = "REGISTERED"; //This 4 parameters are included only to avoid warnings`
17			`parameter lpm_address_control = "REGISTERED"; //they are not accessed inside the module. OR1200 uses this`
18			`parameter lpm_outdata = "UNREGISTERED"; //configuration set on all its instantiations, so this is fine.`
19			`parameter lpm_hint = "USE_EAB=ON"; //It may not be fine, if you are adding this library to your`
20			`//own system, which uses this module with another configuration.`
21	10	rfajardo	`localparam dw = lpm_width;`
22			`localparam aw = lpm_widthad;`
23
24			`input [aw-1:0] address;`
25			`input inclock;`
26			`input outclock;`
27			`input [dw-1:0] data;`
28			`input we;`
29			`output [dw-1:0] q;`
30
31			`reg [dw-1:0] mem [(1<<aw)-1:0]; // RAM content`
32			`reg [aw-1:0] addr_reg; // RAM address register`
33
34			`//`
35			`// Data output drivers`
36			`//`
37	27	rfajardo	`assign q = mem[addr_reg];`
38	10	rfajardo
39			`//`
40			`// RAM address register`
41			`//`
42			`always @(posedge inclock)`
43			`addr_reg <= #1 address;`
44
45			`//`
46			`// RAM write`
47			`//`
48			`always @(posedge inclock)`
49			`if (we)`
50			`mem[address] <= #1 data;`
51
52			`endmodule`
53
54			`module altqpram (`
55			`wraddress_a,`
56			`inclocken_a,`
57			`wraddress_b,`
58			`wren_a,`
59			`inclocken_b,`
60			`wren_b,`
61			`inaclr_a,`
62			`inaclr_b,`
63			`inclock_a,`
64			`inclock_b,`
65			`data_a,`
66			`data_b,`
67			`q_a,`
68			`q_b`
69			`);`
70
71			`parameter width_write_a = 8;`
72			`parameter widthad_write_a = 11;`
73			`parameter width_write_b = 8;`
74			`parameter widthad_write_b = 11;`
75
76			`localparam dw = width_write_a;`
77			`localparam aw = widthad_write_a;`
78
79			`input inclock_a, inaclr_a, inclocken_a, wren_a, inclock_b, inaclr_b, inclocken_b, wren_b;`
80			`input [dw-1:0] data_a, data_b;`
81			`output [dw-1:0] q_a, q_b;`
82			`input [aw-1:0] wraddress_a, wraddress_b;`
83
84			`reg [dw-1:0] mem [(1<<aw)-1:0]; // RAM content`
85			`reg [aw-1:0] addr_reg_a; // RAM address register`
86			`reg [aw-1:0] addr_reg_b; // RAM address register`
87
88			`//`
89			`// Data output drivers`
90			`//`
91			`assign q_a = mem[addr_reg_a][dw-1:0];`
92			`assign q_b = mem[addr_reg_b][dw-1:0];`
93
94			`//`
95			`// RAM address register`
96			`//`
97			`always @(posedge inclock_a or posedge inaclr_a)`
98			`if ( inaclr_a == 1'b1 )`
99			`addr_reg_a <= #1 {aw{1'b0}};`
100			`else if ( inclocken_a )`
101			`addr_reg_a <= #1 wraddress_a;`
102
103			`always @(posedge inclock_b or posedge inaclr_b)`
104			`if ( inaclr_b == 1'b1 )`
105			`addr_reg_b <= #1 {aw{1'b0}};`
106			`else if ( inclocken_b )`
107			`addr_reg_b <= #1 wraddress_b;`
108
109			`//`
110			`// RAM write`
111			`//`
112			`always @(posedge inclock_a)`
113			`if (inclocken_a && wren_a)`
114			`mem[wraddress_a] <= #1 data_a;`
115
116			`always @(posedge inclock_b)`
117			`if (inclocken_b && wren_b)`
118			`mem[wraddress_b] <= #1 data_b;`
119
120			`endmodule`
121			`//`
122			`// ~ALTERA_LPM`
123			`//`
124
125
126			`//`
127			`//XILINX_RAMB16`
128			`//`
129			`module RAMB16_S36_S36 (`
130			`CLKA,`
131			`SSRA,`
132			`ADDRA,`
133			`DIA,`
134			`DIPA,`
135			`ENA,`
136			`WEA,`
137			`DOA,`
138			`DOPA,`
139
140			`CLKB,`
141			`SSRB,`
142			`ADDRB,`
143			`DIB,`
144			`DIPB,`
145			`ENB,`
146			`WEB,`
147			`DOB,`
148			`DOPB`
149			`);`
150
151			`parameter dw = 32;`
152			`parameter dwp = 4;`
153			`parameter aw = 9;`
154
155			`input CLKA, SSRA, ENA, WEA, CLKB, SSRB, ENB, WEB;`
156			`input [dw-1:0] DIA, DIB;`
157			`output [dw-1:0] DOA, DOB;`
158			`input [dwp-1:0] DIPA, DIPB;`
159			`output [dwp-1:0] DOPA, DOPB;`
160			`input [aw-1:0] ADDRA, ADDRB;`
161
162			`reg [dw+dwp-1:0] mem [(1<<aw)-1:0]; // RAM content`
163			`reg [aw-1:0] addr_reg_a; // RAM address register`
164			`reg [aw-1:0] addr_reg_b; // RAM address register`
165
166			`//`
167			`// Data output drivers`
168			`//`
169			`assign DOA = mem[addr_reg_a][dw-1:0];`
170			`assign DOPA = mem[addr_reg_a][dwp+dw-1:dw];`
171			`assign DOB = mem[addr_reg_b][dw-1:0];`
172			`assign DOPB = mem[addr_reg_b][dwp+dw-1:dw];`
173
174			`//`
175			`// RAM address register`
176			`//`
177			`always @(posedge CLKA or posedge SSRA)`
178			`if ( SSRA == 1'b1 )`
179			`addr_reg_a <= #1 {aw{1'b0}};`
180			`else if ( ENA )`
181			`addr_reg_a <= #1 ADDRA;`
182
183			`always @(posedge CLKB or posedge SSRB)`
184			`if ( SSRB == 1'b1 )`
185			`addr_reg_b <= #1 {aw{1'b0}};`
186			`else if ( ENB )`
187			`addr_reg_b <= #1 ADDRB;`
188
189			`//`
190			`// RAM write`
191			`//`
192			`always @(posedge CLKA)`
193			`if (ENA && WEA)`
194			`mem[ADDRA] <= #1 { DIPA , DIA };`
195
196			`always @(posedge CLKB)`
197			`if (ENB && WEB)`
198			`mem[ADDRB] <= #1 { DIPB , DIB };`
199
200			`endmodule`
201
202
203			`module RAMB16_S9 (`
204			`CLK,`
205			`SSR,`
206			`ADDR,`
207			`DI,`
208			`DIP,`
209			`EN,`
210			`WE,`
211			`DO,`
212			`DOP`
213			`);`
214
215			`parameter dw = 8;`
216			`parameter dwp = 1;`
217			`parameter aw = 11;`
218
219			`input CLK, SSR, EN, WE;`
220			`input [dw-1:0] DI;`
221			`output [dw-1:0] DO;`
222			`input [dwp-1:0] DIP;`
223			`output [dwp-1:0] DOP;`
224			`input [aw-1:0] ADDR;`
225
226			`reg [dw+dwp-1:0] mem [(1<<aw)-1:0]; // RAM content`
227			`reg [aw-1:0] addr_reg; // RAM address register`
228
229			`//`
230			`// Data output drivers`
231			`//`
232			`assign DO = mem[addr_reg][dw-1:0];`
233			`assign DOP = mem[addr_reg][dwp+dw-1:dw];`
234
235			`//`
236			`// RAM address register`
237			`//`
238			`always @(posedge CLK or posedge SSR)`
239			`if ( SSR == 1'b1 )`
240			`addr_reg <= #1 {aw{1'b0}};`
241			`else if ( EN )`
242			`addr_reg <= #1 ADDR;`
243
244			`//`
245			`// RAM write`
246			`//`
247			`always @(posedge CLK)`
248			`if (EN && WE)`
249			`mem[ADDR] <= #1 { DIP , DI };`
250
251			`endmodule`
252
253
254			`module RAMB16_S36 (`
255			`CLK,`
256			`SSR,`
257			`ADDR,`
258			`DI,`
259			`DIP,`
260			`EN,`
261			`WE,`
262			`DO,`
263			`DOP`
264			`);`
265
266			`parameter dw = 32;`
267			`parameter dwp = 4;`
268			`parameter aw = 9;`
269
270			`input CLK, SSR, EN, WE;`
271			`input [dw-1:0] DI;`
272			`output [dw-1:0] DO;`
273			`input [dwp-1:0] DIP;`
274			`output [dwp-1:0] DOP;`
275			`input [aw-1:0] ADDR;`
276
277			`reg [dw+dwp-1:0] mem [(1<<aw)-1:0]; // RAM content`
278			`reg [aw-1:0] addr_reg; // RAM address register`
279
280			`//`
281			`// Data output drivers`
282			`//`
283			`assign DO = mem[addr_reg][dw-1:0];`
284			`assign DOP = mem[addr_reg][dwp+dw-1:dw];`
285
286			`//`
287			`// RAM address register`
288			`//`
289			`always @(posedge CLK or posedge SSR)`
290			`if ( SSR == 1'b1 )`
291			`addr_reg <= #1 {aw{1'b0}};`
292			`else if ( EN )`
293			`addr_reg <= #1 ADDR;`
294
295			`//`
296			`// RAM write`
297			`//`
298			`always @(posedge CLK)`
299			`if (EN && WE)`
300			`mem[ADDR] <= #1 { DIP , DI };`
301
302			`endmodule`
303
304
305			`module RAMB16_S18 (`
306			`CLK,`
307			`SSR,`
308			`ADDR,`
309			`DI,`
310			`DIP,`
311			`EN,`
312			`WE,`
313			`DO,`
314			`DOP`
315			`);`
316
317			`parameter dw = 16;`
318			`parameter dwp = 2;`
319			`parameter aw = 10;`
320
321			`input CLK, SSR, EN, WE;`
322			`input [dw-1:0] DI;`
323			`output [dw-1:0] DO;`
324			`input [dwp-1:0] DIP;`
325			`output [dwp-1:0] DOP;`
326			`input [aw-1:0] ADDR;`
327
328			`reg [dw+dwp-1:0] mem [(1<<aw)-1:0]; // RAM content`
329			`reg [aw-1:0] addr_reg; // RAM address register`
330
331			`//`
332			`// Data output drivers`
333			`//`
334			`assign DO = mem[addr_reg][dw-1:0];`
335			`assign DOP = mem[addr_reg][dwp+dw-1:dw];`
336
337			`//`
338			`// RAM address register`
339			`//`
340			`always @(posedge CLK or posedge SSR)`
341			`if ( SSR == 1'b1 )`
342			`addr_reg <= #1 {aw{1'b0}};`
343			`else if ( EN )`
344			`addr_reg <= #1 ADDR;`
345
346			`//`
347			`// RAM write`
348			`//`
349			`always @(posedge CLK)`
350			`if (EN && WE)`
351			`mem[ADDR] <= #1 { DIP , DI };`
352
353			`endmodule`
354			`//`
355			`//~XILINX_RAMB16`
356			`//`
357
358
359			`//`
360			`//XILINX_RAMB4`
361			`//`
362			`module RAMB4_S16_S16 (`
363			`CLKA,`
364			`RSTA,`
365			`ADDRA,`
366			`DIA,`
367			`ENA,`
368			`WEA,`
369			`DOA,`
370
371			`CLKB,`
372			`RSTB,`
373			`ADDRB,`
374			`DIB,`
375			`ENB,`
376			`WEB,`
377			`DOB`
378			`);`
379
380			`parameter dw = 16;`
381			`parameter aw = 8;`
382
383			`input CLKA, RSTA, ENA, WEA, CLKB, RSTB, ENB, WEB;`
384			`input [dw-1:0] DIA, DIB;`
385			`output [dw-1:0] DOA, DOB;`
386			`input [aw-1:0] ADDRA, ADDRB;`
387
388			`reg [dw-1:0] mem [(1<<aw)-1:0]; // RAM content`
389			`reg [aw-1:0] addr_reg_a; // RAM address register`
390			`reg [aw-1:0] addr_reg_b; // RAM address register`
391
392			`//`
393			`// Data output drivers`
394			`//`
395			`assign DOA = mem[addr_reg_a][dw-1:0];`
396			`assign DOB = mem[addr_reg_b][dw-1:0];`
397
398			`//`
399			`// RAM address register`
400			`//`
401			`always @(posedge CLKA or posedge RSTA)`
402			`if ( RSTA == 1'b1 )`
403			`addr_reg_a <= #1 {aw{1'b0}};`
404			`else if ( ENA )`
405			`addr_reg_a <= #1 ADDRA;`
406
407			`always @(posedge CLKB or posedge RSTB)`
408			`if ( RSTB == 1'b1 )`
409			`addr_reg_b <= #1 {aw{1'b0}};`
410			`else if ( ENB )`
411			`addr_reg_b <= #1 ADDRB;`
412
413			`//`
414			`// RAM write`
415			`//`
416			`always @(posedge CLKA)`
417			`if (ENA && WEA)`
418			`mem[ADDRA] <= #1 DIA;`
419
420			`always @(posedge CLKB)`
421			`if (ENB && WEB)`
422			`mem[ADDRB] <= #1 DIB;`
423
424			`endmodule`
425
426			`module RAMB4_S4 (`
427			`CLK,`
428			`RST,`
429			`ADDR,`
430			`DI,`
431			`EN,`
432			`WE,`
433			`DO,`
434			`);`
435
436			`parameter dw = 4;`
437			`parameter aw = 10;`
438
439			`input CLK, RST, EN, WE;`
440			`input [dw-1:0] DI;`
441			`output [dw-1:0] DO;`
442			`input [aw-1:0] ADDR;`
443
444			`reg [dw-1:0] mem [(1<<aw)-1:0]; // RAM content`
445			`reg [aw-1:0] addr_reg; // RAM address register`
446
447			`//`
448			`// Data output drivers`
449			`//`
450			`assign DO = mem[addr_reg][dw-1:0];`
451
452			`//`
453			`// RAM address register`
454			`//`
455			`always @(posedge CLK or posedge RST)`
456			`if ( RST == 1'b1 )`
457			`addr_reg <= #1 {aw{1'b0}};`
458			`else if ( EN )`
459			`addr_reg <= #1 ADDR;`
460
461			`//`
462			`// RAM write`
463			`//`
464			`always @(posedge CLK)`
465			`if (EN && WE)`
466			`mem[ADDR] <= #1 DI;`
467
468			`endmodule`
469
470			`module RAMB4_S16 (`
471			`CLK,`
472			`RST,`
473			`ADDR,`
474			`DI,`
475			`EN,`
476			`WE,`
477			`DO`
478			`);`
479
480			`parameter dw = 16;`
481			`parameter aw = 8;`
482
483			`input CLK, RST, EN, WE;`
484			`input [dw-1:0] DI;`
485			`output [dw-1:0] DO;`
486			`input [aw-1:0] ADDR;`
487
488			`reg [dw-1:0] mem [(1<<aw)-1:0]; // RAM content`
489			`reg [aw-1:0] addr_reg; // RAM address register`
490
491			`//`
492			`// Data output drivers`
493			`//`
494			`assign DO = mem[addr_reg][dw-1:0];`
495
496			`//`
497			`// RAM address register`
498			`//`
499			`always @(posedge CLK or posedge RST)`
500			`if ( RST == 1'b1 )`
501			`addr_reg <= #1 {aw{1'b0}};`
502			`else if ( EN )`
503			`addr_reg <= #1 ADDR;`
504
505			`//`
506			`// RAM write`
507			`//`
508			`always @(posedge CLK)`
509			`if (EN && WE)`
510			`mem[ADDR] <= #1 DI;`
511
512			`endmodule`
513
514			`module RAMB4_S2 (`
515			`CLK,`
516			`RST,`
517			`ADDR,`
518			`DI,`
519			`EN,`
520			`WE,`
521			`DO,`
522			`);`
523
524			`parameter dw = 2;`
525			`parameter aw = 11;`
526
527			`input CLK, RST, EN, WE;`
528			`input [dw-1:0] DI;`
529			`output [dw-1:0] DO;`
530			`input [aw-1:0] ADDR;`
531
532			`reg [dw-1:0] mem [(1<<aw)-1:0]; // RAM content`
533			`reg [aw-1:0] addr_reg; // RAM address register`
534
535			`//`
536			`// Data output drivers`
537			`//`
538			`assign DO = mem[addr_reg][dw-1:0];`
539
540			`//`
541			`// RAM address register`
542			`//`
543			`always @(posedge CLK or posedge RST)`
544			`if ( RST == 1'b1 )`
545			`addr_reg <= #1 {aw{1'b0}};`
546			`else if ( EN )`
547			`addr_reg <= #1 ADDR;`
548
549			`//`
550			`// RAM write`
551			`//`
552			`always @(posedge CLK)`
553			`if (EN && WE)`
554			`mem[ADDR] <= #1 DI;`
555
556			`endmodule`
557
558			`module RAMB4_S8 (`
559			`CLK,`
560			`RST,`
561			`ADDR,`
562			`DI,`
563			`EN,`
564			`WE,`
565			`DO,`
566			`);`
567
568			`parameter dw = 8;`
569			`parameter aw = 9;`
570
571			`input CLK, RST, EN, WE;`
572			`input [dw-1:0] DI;`
573			`output [dw-1:0] DO;`
574			`input [aw-1:0] ADDR;`
575
576			`reg [dw-1:0] mem [(1<<aw)-1:0]; // RAM content`
577			`reg [aw-1:0] addr_reg; // RAM address register`
578
579			`//`
580			`// Data output drivers`
581			`//`
582			`assign DO = mem[addr_reg][dw-1:0];`
583
584			`//`
585			`// RAM address register`
586			`//`
587			`always @(posedge CLK or posedge RST)`
588			`if ( RST == 1'b1 )`
589			`addr_reg <= #1 {aw{1'b0}};`
590			`else if ( EN )`
591			`addr_reg <= #1 ADDR;`
592
593			`//`
594			`// RAM write`
595			`//`
596			`always @(posedge CLK)`
597			`if (EN && WE)`
598			`mem[ADDR] <= #1 DI;`
599
600			`endmodule`
601			`//`
602			`// ~XILINX_RAMB4`
603			`//`
604
605
606			`//`
607			`// XILINX_RAM32X1D`
608			`//`
609			`module RAM32X1D (`
610			`DPO,`
611			`SPO,`
612			`A0,`
613			`A1,`
614			`A2,`
615			`A3,`
616			`A4,`
617			`D,`
618			`DPRA0,`
619			`DPRA1,`
620			`DPRA2,`
621			`DPRA3,`
622			`DPRA4,`
623			`WCLK,`
624			`WE`
625			`);`
626
627			`parameter dw = 1;`
628			`parameter aw = 5;`
629
630			`output DPO, SPO;`
631			`input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4;`
632			`input A0, A1, A2, A3, A4;`
633			`input D;`
634			`input WCLK;`
635			`input WE;`
636
637			`reg [dw-1:0] mem [(1<<aw)-1:0]; // RAM content`
638
639			`//`
640			`// Data output drivers`
641			`//`
642			`assign DPO = mem[{DPRA4 , DPRA3 , DPRA2 , DPRA1 , DPRA0}][dw-1:0];`
643			`assign SPO = mem[{A4 , A3 , A2 , A1 , A0}][dw-1:0];`
644
645			`//`
646			`// RAM write`
647			`//`
648			`always @(posedge WCLK)`
649			`if (WE)`
650			`mem[{A4 , A3 , A2 , A1 , A0}] <= #1 D;`
651
652			`endmodule`
653			`//`
654	17	rfajardo	`// ~XILINX_RAM32X1D`
655	10	rfajardo	`//`
656
657
658			`//`
659			`// USE_RAM16X1D_FOR_RAM32X1D`
660			`//`
661			`module RAM16X1D (`
662			`DPO,`
663			`SPO,`
664			`A0,`
665			`A1,`
666			`A2,`
667			`A3,`
668			`D,`
669			`DPRA0,`
670			`DPRA1,`
671			`DPRA2,`
672			`DPRA3,`
673			`WCLK,`
674			`WE`
675			`);`
676
677			`parameter dw = 1;`
678			`parameter aw = 4;`
679
680			`output DPO, SPO;`
681			`input DPRA0, DPRA1, DPRA2, DPRA3;`
682			`input A0, A1, A2, A3;`
683			`input D;`
684			`input WCLK;`
685			`input WE;`
686
687			`reg [dw-1:0] mem [(1<<aw)-1:0]; // RAM content`
688
689			`//`
690			`// Data output drivers`
691			`//`
692			`assign DPO = mem[{DPRA3 , DPRA2 , DPRA1 , DPRA0}][dw-1:0];`
693			`assign SPO = mem[{A3 , A2 , A1 , A0}][dw-1:0];`
694
695			`//`
696			`// RAM write`
697			`//`
698			`always @(posedge WCLK)`
699			`if (WE)`
700			`mem[{A3 , A2 , A1 , A0}] <= #1 D;`
701
702			`endmodule`
703			`//`
704	17	rfajardo	`// ~USE_RAM16X1D_FOR_RAM32X1D`
705	10	rfajardo	`//`