eel3792c_rv32i

commit 70477dad47f985f68ce05668911939b0374ea364
parent 341ffb58d33ed5f0ce4743ec0881e11964589966
Author: vin <git@vineetk.net>
Date:   Mon, 24 Mar 2025 16:46:05 -0400

refactor PCSrc assignment and add bne instruction

Diffstat:
M
riscvsingle.sv
 | 
11
++++++++++-

1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/riscvsingle.sv b/riscvsingle.sv
@@ -229,7 +229,16 @@ module controller(input  logic [6:0] op,
              ALUSrc, RegWrite, Jump, ImmSrc, ALUOp);
   aludec  ad(op[5], funct3, funct7b5, ALUOp, ALUControl);
 
-  assign PCSrc = Branch & Zero | Jump;
+//  assign PCSrc = Branch & Zero | Jump;
+  always_comb
+    if (Branch)
+       case (funct3)
+	 3'b000: PCSrc = Zero;
+	 3'b001: PCSrc = ~Zero;
+	 default: PCSrc = 1'bx;
+       endcase
+    else
+      PCSrc = Jump;
 endmodule
 
 module maindec(input  logic [6:0] op,