Initial commit

1 files changed, 33 insertions, 0 deletions

diff --git a/lab_3/SRC/interface.sv b/lab_3/SRC/interface.sv
new file mode 100644
index 0000000..aec4d93
--- /dev/null
+++ b/lab_3/SRC/interface.sv
@@ -0,0 +1,33 @@
+interface intf (
+    input logic clk
+);
+  // [Step 1] Wildcard import the enumeration typedef from the typedef_pkg package.
+  import typedef_pkg::*;
+
+  // [Step 2] Declare the signals, other than clk, that will connect to the DUV.
+  logic op_start;
+  logic [1:0] operation;
+  logic [7:0] operand_a;
+  logic [7:0] operand_b;
+  logic [15:0] result;
+
+  // [Step 3] Implement the execute_op task.
+  task execute_op(input operation_t op, input logic [7:0] op_a, input logic [7:0] op_b,
+                  output logic [15:0] res);
+    // Set inputs and start operation
+    operation = op;
+    operand_a = op_a;
+    operand_b = op_b;
+    op_start  = 1'b1;
+
+    @(posedge clk);
+
+    op_start = 1'b0;
+
+    // Wait 2 cycles for result
+    @(posedge clk);
+    @(posedge clk);
+
+    res = result;
+  endtask
+endinterface : intf