Reduce amount of scripts in root directory

scripts/fix-rom.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+setbyte() {
+  printf "\x$3"|dd status=none seek="$2" bs=1 count=1 conv=notrunc of="$1"
+}
+
+[ -n "$1" ] || exit 1
+
+setbyte "$1" 2 $(stat -c "%s" "$1"|awk '{printf("%02x",$1/512)}')
+
+setbyte "$1" 41 00
+checksum=$(xxd -p -c 1 "$1"|sed 's/^/0x/'|awk '{s+=$1} END {printf("%02x\n",256-s%256)}')
+setbyte "$1" 41 "$checksum"