1 files changed, 18 insertions(+), 0 deletions(-)

A src/program_counter.sv

@@ 0,0 1,18 @@
+// + 4 normally
+// or if should jump, jump to given address (either pc + imm or rs1 + imm)
+
+module program_counter(
+  input                    clk,
+  input                    rst_n,
+  input [WIDTH - 1:0]      pc_next,
+  output reg [WIDTH - 1:0] pc
+);
+  parameter WIDTH = 12;
+
+  always_ff @ (posedge clk)
+    if (rst_n == 1'b0)
+      pc <= 0;
+    else
+      pc <= pc_next;
+
+endmodule