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Diffstat (limited to 'tests/memlib/memlib_multilut.v')
-rw-r--r-- | tests/memlib/memlib_multilut.v | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/tests/memlib/memlib_multilut.v b/tests/memlib/memlib_multilut.v new file mode 100644 index 000000000..a623d41fd --- /dev/null +++ b/tests/memlib/memlib_multilut.v @@ -0,0 +1,45 @@ +module LUT_MULTI( + input [3:0] PORT_R0_ADDR, + input [3:0] PORT_R1_ADDR, + input [3:0] PORT_R2_ADDR, + input [3:0] PORT_R3_ADDR, + input [3:0] PORT_R4_ADDR, + input [3:0] PORT_R5_ADDR, + input [3:0] PORT_R6_ADDR, + input [3:0] PORT_RW_ADDR, + input PORT_RW_CLK, + input PORT_RW_WR_EN, + input [1:0] PORT_RW_WR_DATA, + output [1:0] PORT_R0_RD_DATA, + output [1:0] PORT_R1_RD_DATA, + output [1:0] PORT_R2_RD_DATA, + output [1:0] PORT_R3_RD_DATA, + output [1:0] PORT_R4_RD_DATA, + output [1:0] PORT_R5_RD_DATA, + output [1:0] PORT_R6_RD_DATA, + output [1:0] PORT_RW_RD_DATA +); + +parameter INIT = 0; +parameter OPTION_PORTS = "UNDEFINED"; + +reg [1:0] mem [0:15]; +integer i; +initial + for (i = 0; i < 16; i += 1) + mem[i] = INIT[i*4+:4]; + +assign PORT_R0_RD_DATA = mem[PORT_R0_ADDR]; +assign PORT_R1_RD_DATA = mem[PORT_R1_ADDR]; +assign PORT_R2_RD_DATA = mem[PORT_R2_ADDR]; +assign PORT_R3_RD_DATA = mem[PORT_R3_ADDR]; +assign PORT_R4_RD_DATA = mem[PORT_R4_ADDR]; +assign PORT_R5_RD_DATA = mem[PORT_R5_ADDR]; +assign PORT_R6_RD_DATA = mem[PORT_R6_ADDR]; +assign PORT_RW_RD_DATA = mem[PORT_RW_ADDR]; + +always @(posedge PORT_RW_CLK) + if (PORT_RW_WR_EN) + mem[PORT_RW_ADDR] <= PORT_RW_WR_DATA; + +endmodule |