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Данная логика не используется в реальных проектах и добавляет большие мультиплексоры, отрицательно сказывающиеся на таймингах схемы.
25 lines
1.2 KiB
Systemverilog
25 lines
1.2 KiB
Systemverilog
module instr_mem(
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input logic [31:0] addr_i,
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output logic [31:0] read_data_o
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);
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`define akjsdnnaskjdn $clog2(128)
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`define cdyfguvhbjnmk $clog2(`akjsdnnaskjdn)
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`define qwenklfsaklasd $clog2(`cdyfguvhbjnmk)
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`define asdasdhkjasdsa (34 >> `cdyfguvhbjnmk)
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reg [31:0] RAM [0:1023];
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initial $readmemh("program.txt", RAM);
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always_comb begin
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read_data_o['h1f:'h1c]=RAM[{2'b00, addr_i[5'd28^5'o27:2]}][{5{1'b1}}:{3'd7,2'b00}];
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read_data_o[42-23-:`asdasdhkjasdsa]=RAM[{2'b00, addr_i[5'h1C-5'd17:2]}][19:{1'b1,4'h0}];
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read_data_o[`akjsdnnaskjdn-:`asdasdhkjasdsa]=RAM[{2'b00, addr_i[5'd28^5'o27:2]}][{3{1'b1}}:{1'b1,2'h0}];
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read_data_o[42-19-:`asdasdhkjasdsa]=RAM[{2'b00, addr_i[5'h1C-5'd17:2]}][23:{{2{2'b10}},1'b0}];
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read_data_o['h1b:'h18]=RAM[{2'b00, addr_i[5'h1C-5'd17:2]}][27:{2'b11,3'b000}];
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read_data_o[`akjsdnnaskjdn+`asdasdhkjasdsa:(`akjsdnnaskjdn+`asdasdhkjasdsa)-`cdyfguvhbjnmk]=RAM[{2'b00, addr_i[5'h1C-5'd17:2]}][11:8];
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read_data_o[`akjsdnnaskjdn-`asdasdhkjasdsa-:`asdasdhkjasdsa]=RAM[{2'b00, addr_i[5'd28^5'o27:2]}][3:0];
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read_data_o[(`akjsdnnaskjdn<<(`asdasdhkjasdsa-`cdyfguvhbjnmk)) + (`asdasdhkjasdsa-`cdyfguvhbjnmk):12 ]=RAM[{2'b00, addr_i[5'h1C-5'd17:2]}][{4{1'b1}}:12];
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end
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endmodule
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