diff --git a/lib/VGA_ctrl/ghdl/tb_vga_frontend_jb32.gtkw b/lib/VGA_ctrl/ghdl/tb_vga_frontend_jb32.gtkw
index e69de29..93f1092 100644
--- a/lib/VGA_ctrl/ghdl/tb_vga_frontend_jb32.gtkw
+++ b/lib/VGA_ctrl/ghdl/tb_vga_frontend_jb32.gtkw
@@ -0,0 +1,35 @@
+[*]
+[*] GTKWave Analyzer v3.3.104 (w)1999-2020 BSI
+[*] Sun Mar 28 15:32:19 2021
+[*]
+[dumpfile] "/home/jens/work/vhdl/trunk/lib/VGA_ctrl/ghdl/build/tb_vga_frontend_jb32/tb_vga_frontend_jb32.fst"
+[dumpfile_mtime] "Sun Mar 28 15:04:45 2021"
+[dumpfile_size] 3239825
+[savefile] "/home/jens/work/vhdl/trunk/lib/VGA_ctrl/ghdl/build/tb_vga_frontend_jb32/tb_vga_frontend_jb32.gtkw"
+[timestart] 0
+[size] 1856 1136
+[pos] -51 -51
+*-41.669048 1432903000000 -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
+[sst_width] 349
+[signals_width] 313
+[sst_expanded] 1
+[sst_vpaned_height] 331
+@22
+inst_vga_frontend_jb32.mdat_o[31:0]
+inst_vga_frontend_jb32.mdat_i[31:0]
+@28
+inst_vga_frontend_jb32.color_en[1:0]
+inst_vga_frontend_jb32.cg_ascii_we
+inst_vga_frontend_jb32.cg_clr_line
+inst_vga_frontend_jb32.cg_clr_screen
+@22
+inst_vga_frontend_jb32.cg_din[7:0]
+inst_vga_frontend_jb32.cg_dout[7:0]
+inst_vga_frontend_jb32.fifo_color_in[31:0]
+inst_vga_frontend_jb32.fifo_color_out[31:0]
+inst_vga_frontend_jb32.vga_blue[7:0]
+inst_vga_frontend_jb32.vga_green[7:0]
+@23
+inst_vga_frontend_jb32.vga_red[7:0]
+[pattern_trace] 1
+[pattern_trace] 0
diff --git a/lib/VGA_ctrl/ghdl/tb_vga_frontend_jb64.gtkw b/lib/VGA_ctrl/ghdl/tb_vga_frontend_jb64.gtkw
index e69de29..7ae4931 100644
--- a/lib/VGA_ctrl/ghdl/tb_vga_frontend_jb64.gtkw
+++ b/lib/VGA_ctrl/ghdl/tb_vga_frontend_jb64.gtkw
@@ -0,0 +1,42 @@
+[*]
+[*] GTKWave Analyzer v3.3.104 (w)1999-2020 BSI
+[*] Sun Mar 28 15:37:03 2021
+[*]
+[dumpfile] "/home/jens/work/vhdl/trunk/lib/VGA_ctrl/ghdl/build/tb_vga_frontend_jb64/tb_vga_frontend_jb64.fst"
+[dumpfile_mtime] "Sun Mar 28 15:34:52 2021"
+[dumpfile_size] 996110
+[savefile] "/home/jens/work/vhdl/trunk/lib/VGA_ctrl/ghdl/build/tb_vga_frontend_jb64/tb_vga_frontend_jb64.gtkw"
+[timestart] 0
+[size] 1478 743
+[pos] -1 -1
+*-38.794468 911000000000 -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
+[sst_width] 313
+[signals_width] 276
+[sst_expanded] 1
+[sst_vpaned_height] 194
+@22
+inst_vga_frontend_jb64.addr_i[31:0]
+inst_vga_frontend_jb64.addr_o[31:0]
+inst_vga_frontend_jb64.blit_cmd_addr_dst[31:0]
+inst_vga_frontend_jb64.vga_blue[7:0]
+inst_vga_frontend_jb64.vga_red[7:0]
+inst_vga_frontend_jb64.vga_green[7:0]
+@28
+inst_vga_frontend_jb64.vga_scan_rdy
+inst_vga_frontend_jb64.vga_vsync
+inst_vga_frontend_jb64.vga_sync_n
+inst_vga_frontend_jb64.sn
+inst_vga_frontend_jb64.s
+@22
+inst_vga_frontend_jb64.mdat_i[63:0]
+inst_vga_frontend_jb64.mdat_o[63:0]
+@28
+inst_vga_frontend_jb64.fifo_almost_empty
+inst_vga_frontend_jb64.fifo_almost_full
+inst_vga_frontend_jb64.fifo_color_re
+inst_vga_frontend_jb64.fifo_color_we
+inst_vga_frontend_jb64.fifo_empty
+@29
+inst_vga_frontend_jb64.fifo_full
+[pattern_trace] 1
+[pattern_trace] 0