added ability to extract firmware from original os

tools/extract-firmware.cmd

@@ -0,0 +1,120 @@
+@echo off
+cd ..
+set "fs=%cd%\res\filesystem\firmware"
+set "lfs=%fs%"
+
+set "drive=%lfs:~0,1%"
+
+set lfs=%lfs:~2%
+set "lfs=%lfs:\=/%"
+
+if %drive%==A set "drive=a"
+if %drive%==B set "drive=b"
+if %drive%==C set "drive=c"
+if %drive%==D set "drive=d"
+if %drive%==E set "drive=e"
+if %drive%==F set "drive=f"
+if %drive%==G set "drive=g"
+if %drive%==H set "drive=h"
+if %drive%==I set "drive=i"
+if %drive%==J set "drive=j"
+if %drive%==K set "drive=k"
+if %drive%==L set "drive=l"
+if %drive%==M set "drive=m"
+if %drive%==N set "drive=n"
+if %drive%==O set "drive=o"
+if %drive%==P set "drive=p"
+if %drive%==Q set "drive=q"
+if %drive%==R set "drive=r"
+if %drive%==S set "drive=s"
+if %drive%==T set "drive=t"
+if %drive%==U set "drive=u"
+if %drive%==V set "drive=v"
+if %drive%==W set "drive=w"
+if %drive%==X set "drive=x"
+if %drive%==Y set "drive=y"
+if %drive%==Z set "drive=z"
+
+set "lfs=/mnt/%drive%%lfs%"
+
+echo "Windows dir is %fs%"
+echo "Linux dir is %lfs%"
+
+:: del old firmware dir in ../res/filesystem
+RD /S /Q "%fs%"
+:: mk firmware dir in ../res/filesystem
+MKDIR "%fs%"
+
+SET "rom=%1"
+IF %1.==. (
+SET /P rom="Please enter full path to OS64.v64 V2.12:"
+)
+
+set "drive=%rom:~0,1%"
+
+set rom=%rom:~2%
+set "rom=%rom:\=/%"
+
+if %drive%==A set "drive=a"
+if %drive%==B set "drive=b"
+if %drive%==C set "drive=c"
+if %drive%==D set "drive=d"
+if %drive%==E set "drive=e"
+if %drive%==F set "drive=f"
+if %drive%==G set "drive=g"
+if %drive%==H set "drive=h"
+if %drive%==I set "drive=i"
+if %drive%==J set "drive=j"
+if %drive%==K set "drive=k"
+if %drive%==L set "drive=l"
+if %drive%==M set "drive=m"
+if %drive%==N set "drive=n"
+if %drive%==O set "drive=o"
+if %drive%==P set "drive=p"
+if %drive%==Q set "drive=q"
+if %drive%==R set "drive=r"
+if %drive%==S set "drive=s"
+if %drive%==T set "drive=t"
+if %drive%==U set "drive=u"
+if %drive%==V set "drive=v"
+if %drive%==W set "drive=w"
+if %drive%==X set "drive=x"
+if %drive%==Y set "drive=y"
+if %drive%==Z set "drive=z"
+
+set "rom=/mnt/%drive%%rom%"
+
+echo "Linux rom dir is %rom%"
+
+
+
+::echo. "This script is not yet ready and will now exit."
+::GOTO exit
+
+@echo ON
+
+:: OS64.V64 - Version 2.12 firmware offsets:
+:: cart 	offset (hex)	offset (dec) 	length
+:: v2_old 	0x25070 	151664		61552
+:: v2 		0x15930 	88368		63276
+:: v2.5 	0x340F0 	213232		69911
+:: v3 		0x45210 	283152		71187
+
+:: Count = lengh / blocksize
+:: Seek = offset converted to decimal / blocksize
+
+:: ED rev 2_old
+bash --verbose -c "dd skip=9479 count=3847 if=%rom% of=%lfs%/firmware_v2_old.bin bs=16"
+
+:: ED rev 2.0 (default should return 0x214)
+bash --verbose -c "dd skip=5523 count=3954 if=%rom% of=%lfs%/firmware_v2.bin bs=16"
+
+:: ED rev 2.5 (default should return 0x250)
+bash --verbose -c "dd skip=13327 count=4369 if=%rom% of=%lfs%/firmware_v2_5.bin bs=16"
+
+:: ED rev 3 (default should return 0x300)
+bash --verbose -c "dd skip=17697 count=4449 if=%rom% of=%lfs%/firmware_v3.bin bs=16"
+
+
+pause
+:exit