- output reg outstall, /* stage outputs */
- output reg outbubble,
- output reg [31:0] outpc,
- output reg [31:0] outinsn
+ output reg outstall = 0, /* stage outputs */
+ output reg outbubble = 1,
+ output reg [31:0] outpc = 0,
+ output reg [31:0] outinsn = 0