diff --git a/lib/CPUs/MIPS/ghdl/tb_mips_top.gtkw b/lib/CPUs/MIPS/ghdl/tb_mips_top.gtkw
index 2a29456..037e65b 100644
--- a/lib/CPUs/MIPS/ghdl/tb_mips_top.gtkw
+++ b/lib/CPUs/MIPS/ghdl/tb_mips_top.gtkw
@@ -1,21 +1,21 @@
 [*]
 [*] GTKWave Analyzer v3.3.104 (w)1999-2020 BSI
-[*] Sat Sep 10 09:13:33 2022
+[*] Tue Sep 13 09:25:38 2022
 [*]
 [dumpfile] "/home/jens/work/projects/vhdl/lib/CPUs/MIPS/ghdl/build/tb_mips_top/tb_mips_top.ghw"
-[dumpfile_mtime] "Sat Sep 10 08:39:58 2022"
-[dumpfile_size] 45378068
+[dumpfile_mtime] "Tue Sep 13 05:37:30 2022"
+[dumpfile_size] 284165098
 [savefile] "/home/jens/work/projects/vhdl/lib/CPUs/MIPS/ghdl/tb_mips_top.gtkw"
-[timestart] 0
+[timestart] 1624938400000
 [size] 1920 1163
 [pos] -1987 -28
-*-37.262630 755900000000 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
+*-24.584558 1625004800000 1624975000000 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
 [treeopen] top.
 [treeopen] top.tb_mips_top.
 [treeopen] top.tb_mips_top.uut.
 [treeopen] top.tb_mips_top.uut.inst_biu.inst_icache.
+[treeopen] top.tb_mips_top.uut.inst_cop.
 [treeopen] top.tb_mips_top.uut.inst_cop.ctrl_in.
-[treeopen] top.tb_mips_top.uut.inst_pipeline.
 [treeopen] top.tb_mips_top.uut.inst_pipeline.c0_ctrl_in.
 [treeopen] top.tb_mips_top.uut.inst_pipeline.c0_ctrl_out.
 [treeopen] top.tb_mips_top.uut.inst_pipeline.ex_stage.
@@ -25,7 +25,7 @@
 [sst_width] 358
 [signals_width] 296
 [sst_expanded] 1
-[sst_vpaned_height] 649
+[sst_vpaned_height] 667
 @200
 -MIPS_R13
 @28
@@ -104,12 +104,18 @@ top.tb_mips_top.uut.inst_pipeline.wb_stage.nop
 top.tb_mips_top.uut.inst_pipeline.wb_stage.op
 @28
 top.tb_mips_top.uut.inst_pipeline.wb_stage.exc
-@29
 top.tb_mips_top.uut.inst_pipeline.wb_stage.events.int
-@28
 top.tb_mips_top.uut.inst_pipeline.wb_stage.bd
 top.tb_mips_top.uut.inst_pipeline.wb_stage.events.int
 @200
+-COP
+@421
+top.tb_mips_top.uut.inst_cop.exc_state
+@22
+#{top.tb_mips_top.uut.inst_cop.epc[31:0]} top.tb_mips_top.uut.inst_cop.epc[31] top.tb_mips_top.uut.inst_cop.epc[30] top.tb_mips_top.uut.inst_cop.epc[29] top.tb_mips_top.uut.inst_cop.epc[28] top.tb_mips_top.uut.inst_cop.epc[27] top.tb_mips_top.uut.inst_cop.epc[26] top.tb_mips_top.uut.inst_cop.epc[25] top.tb_mips_top.uut.inst_cop.epc[24] top.tb_mips_top.uut.inst_cop.epc[23] top.tb_mips_top.uut.inst_cop.epc[22] top.tb_mips_top.uut.inst_cop.epc[21] top.tb_mips_top.uut.inst_cop.epc[20] top.tb_mips_top.uut.inst_cop.epc[19] top.tb_mips_top.uut.inst_cop.epc[18] top.tb_mips_top.uut.inst_cop.epc[17] top.tb_mips_top.uut.inst_cop.epc[16] top.tb_mips_top.uut.inst_cop.epc[15] top.tb_mips_top.uut.inst_cop.epc[14] top.tb_mips_top.uut.inst_cop.epc[13] top.tb_mips_top.uut.inst_cop.epc[12] top.tb_mips_top.uut.inst_cop.epc[11] top.tb_mips_top.uut.inst_cop.epc[10] top.tb_mips_top.uut.inst_cop.epc[9] top.tb_mips_top.uut.inst_cop.epc[8] top.tb_mips_top.uut.inst_cop.epc[7] top.tb_mips_top.uut.inst_cop.epc[6] top.tb_mips_top.uut.inst_cop.epc[5] top.tb_mips_top.uut.inst_cop.epc[4] top.tb_mips_top.uut.inst_cop.epc[3] top.tb_mips_top.uut.inst_cop.epc[2] top.tb_mips_top.uut.inst_cop.epc[1] top.tb_mips_top.uut.inst_cop.epc[0]
+#{top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[31:0]} top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[31] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[30] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[29] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[28] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[27] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[26] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[25] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[24] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[23] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[22] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[21] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[20] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[19] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[18] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[17] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[16] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[15] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[14] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[13] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[12] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[11] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[10] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[9] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[8] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[7] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[6] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[5] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[4] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[3] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[2] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[1] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[0]
+#{top.tb_mips_top.uut.inst_cop.ctrl_in.epc_wb[31:0]} top.tb_mips_top.uut.inst_cop.ctrl_in.epc_wb[31] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_wb[30] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_wb[29] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_wb[28] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_wb[27] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_wb[26] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_wb[25] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_wb[24] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_wb[23] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_wb[22] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_wb[21] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_wb[20] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_wb[19] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_wb[18] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_wb[17] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_wb[16] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_wb[15] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_wb[14] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_wb[13] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_wb[12] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_wb[11] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_wb[10] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_wb[9] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_wb[8] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_wb[7] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_wb[6] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_wb[5] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_wb[4] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_wb[3] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_wb[2] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_wb[1] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_wb[0]
+@200
 -I-Cache
 @420
 top.tb_mips_top.uut.inst_biu.inst_icache.s
@@ -123,5 +129,8 @@ top.tb_mips_top.uut.inst_biu.inst_icache.cache_hit
 top.tb_mips_top.uut.inst_biu.inst_icache.cache_busy
 top.tb_mips_top.uut.inst_biu.inst_icache.cache_ack
 top.tb_mips_top.uut.inst_biu.inst_icache.cache_req
+@22
+#{top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[31:0]} top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[31] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[30] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[29] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[28] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[27] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[26] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[25] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[24] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[23] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[22] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[21] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[20] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[19] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[18] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[17] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[16] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[15] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[14] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[13] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[12] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[11] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[10] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[9] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[8] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[7] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[6] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[5] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[4] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[3] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[2] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[1] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[0]
+#{top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[31:0]} top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[31] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[30] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[29] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[28] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[27] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[26] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[25] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[24] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[23] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[22] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[21] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[20] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[19] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[18] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[17] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[16] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[15] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[14] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[13] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[12] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[11] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[10] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[9] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[8] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[7] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[6] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[5] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[4] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[3] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[2] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[1] top.tb_mips_top.uut.inst_cop.ctrl_in.epc_mem[0]
 [pattern_trace] 1
 [pattern_trace] 0