diff --git a/.gitmodules b/.gitmodules
index fb789b9..481289d 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -16,3 +16,6 @@
 [submodule "hw/super6502_fpga/src/sub/verilog-ethernet"]
 	path = hw/super6502_fpga/src/sub/verilog-ethernet
 	url = ../verilog-ethernet.git
+[submodule "hw/super6502_fpga/src/sub/stream_dmas"]
+	path = hw/super6502_fpga/src/sub/stream_dmas
+	url = ../stream_dmas.git
diff --git a/hw/super6502_fpga/src/sub/stream_dmas b/hw/super6502_fpga/src/sub/stream_dmas
new file mode 160000
index 0000000..bc059c4
--- /dev/null
+++ b/hw/super6502_fpga/src/sub/stream_dmas
@@ -0,0 +1 @@
+Subproject commit bc059c4327e483c80d86a6241e1d26653ceec2d2