42 lines
990 B
Plaintext
42 lines
990 B
Plaintext
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:vpi_module "system";
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;
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; This example demonstrates a simple blocking assignment to a
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; reg vector within a module.
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;
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main .scope module, "main" "main";
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; This declares a "reg" data type named "test" in the current scope.
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; The bit range is given for the purposes of VPI access. The range
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; corresponds to the declaration "reg [7:0] test", so leads to an 8
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; bit wide vector.
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test .var "test", 7, 0;
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; The %assign/v0 opcode assigns a vector to the .var at the label,
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; with the given delay. The width of the vector from index register0.
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T0 %ix/load 0, 8 ; Set the width of the vector to 8.
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%assign/v0 test, 2, 0 ;
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%delay 3;
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%vpi_call "$display", "test = %b", test;
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%assign/v0 test, 2, 1 ;
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%delay 1;
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%vpi_call "$display", "test = %b", test;
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%delay 2;
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%vpi_call "$display", "test = %b", test;
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%assign/v0 test, 2, 2 ;
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%delay 3;
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%vpi_call "$display", "test = %b", test;
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%assign/v0 test, 2, 3 ;
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%delay 3;
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%vpi_call "$display", "test = %b", test;
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%end;
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.thread T0;
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