diff --git a/Makefile b/firmware/Makefile
similarity index 100%
rename from Makefile
rename to firmware/Makefile
diff --git a/SDISK2SCH.PNG b/firmware/SDISK2SCH.PNG
similarity index 100%
rename from SDISK2SCH.PNG
rename to firmware/SDISK2SCH.PNG
diff --git a/sdisk2.c b/firmware/sdisk2.c
similarity index 100%
rename from sdisk2.c
rename to firmware/sdisk2.c
diff --git a/sdisk2.hex b/firmware/sdisk2.hex
similarity index 100%
rename from sdisk2.hex
rename to firmware/sdisk2.hex
diff --git a/sdisk2.pnproj b/firmware/sdisk2.pnproj
similarity index 100%
rename from sdisk2.pnproj
rename to firmware/sdisk2.pnproj
diff --git a/sub.S b/firmware/sub.S
similarity index 100%
rename from sub.S
rename to firmware/sub.S