diff --git a/.gitignore b/.gitignore
index e2c60fc..e135391 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,6 +19,7 @@
 
 # Drawio temp files.
 *.bkp
+*.dtmp
 
 *.mem
 sim_top
diff --git a/hw/super6502_fpga/src/sub/network_processor/doc/tcp.drawio b/hw/super6502_fpga/src/sub/network_processor/doc/tcp.drawio
index d806725..ceab18d 100644
--- a/hw/super6502_fpga/src/sub/network_processor/doc/tcp.drawio
+++ b/hw/super6502_fpga/src/sub/network_processor/doc/tcp.drawio
@@ -1,6 +1,6 @@
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diff --git a/hw/super6502_fpga/src/sub/network_processor/doc/tcp.drawio.png b/hw/super6502_fpga/src/sub/network_processor/doc/tcp.drawio.png
index c8a2205..a8c80b7 100644
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