Costas: Remove while(1) and allow proper returns.
[firearm.git] / Execute.v
index 7f4cf6c..ab204a0 100644 (file)
--- a/Execute.v
+++ b/Execute.v
@@ -101,7 +101,7 @@ module Execute(
                alu_setflags = 1'bx;
 
                jmp = 1'b0;
-               jmppc = 32'hxxxxxxxx;
+               jmppc = 32'h00000000;
 
                casez (insn)
                `DECODE_ALU_MULT:       /* Multiply -- must come before ALU, because it pattern matches a specific case of ALU */
@@ -171,12 +171,12 @@ module Execute(
                begin end
                `DECODE_BRANCH:
                begin
-                       if(!inbubble) begin
+                       if(!inbubble && !flush) begin
                                jmppc = pc + op0 + 32'h8;
                                if(insn[24]) begin
                                        next_write_reg = 1;
                                        next_write_num = 4'hE; /* link register */
-                                       next_write_data = pc - 32'h4;
+                                       next_write_data = pc + 32'h4;
                                end
                                jmp = 1'b1;
                        end
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