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32 lines
754 B
32 lines
754 B
1 month ago
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`default_nettype none
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module dmux(sel, i_pc, i_a, i_x, i_y, i_sp, i_aux, o_mux);
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input wire [2:0] sel;
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input wire [15:0] i_pc;
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input wire [7:0] i_a;
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input wire [7:0] i_x;
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input wire [7:0] i_y;
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input wire [7:0] i_sp;
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input wire [15:0] i_aux;
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output logic [15:0] o_mux;
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`include "parameters.vh"
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always_comb
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begin
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o_mux = 0;
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if (sel == DMUX_PC)
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o_mux = i_pc;
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else if (sel == DMUX_A)
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o_mux[15:0] = { 8'h0, i_a };
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else if (sel == DMUX_X)
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o_mux[15:0] = { 8'h0, i_x };
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else if (sel == DMUX_Y)
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o_mux[15:0] = { 8'h0, i_y };
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else if (sel == DMUX_SP)
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o_mux[15:0] = { 8'h1, i_sp };
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else if (sel == DMUX_AUX)
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o_mux = i_aux;
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end
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endmodule
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