R3 =00000000 at 0 NS R2 =00000000 at 0 NS R1 =00000000 at 0 NS sclk =0 at 0 NS clk =0 at 0 NS stall=0 at 0 NS clk =1 at 5 NS sclk =1 at 6 NS clk =0 at 10 NS sclk =0 at 11 NS clk =1 at 15 NS sclk =1 at 16 NS R1 =00000001 at 17 NS clk =0 at 20 NS sclk =0 at 21 NS clk =1 at 25 NS sclk =1 at 26 NS R1 =00000002 at 27 NS R2 =00000001 at 27 NS clk =0 at 30 NS sclk =0 at 31 NS clk =1 at 35 NS sclk =1 at 36 NS R3 =00000001 at 36 NS R1 =00000003 at 37 NS R2 =00000002 at 37 NS stall=1 at 38 NS clk =0 at 40 NS clk =1 at 45 NS R3 =00000000 at 46 NS stall=0 at 47 NS clk =0 at 50 NS sclk =0 at 51 NS clk =1 at 55 NS sclk =1 at 56 NS R3 =00000002 at 56 NS R1 =00000004 at 57 NS R2 =00000003 at 57 NS clk =0 at 60 NS sclk =0 at 61 NS clk =1 at 65 NS sclk =1 at 66 NS R3 =00000003 at 66 NS R1 =00000005 at 67 NS R2 =00000004 at 67 NS