tool to create saturn boot sector

1 files changed, 35 insertions, 0 deletions

diff --git a/tools/bin2c b/tools/bin2c
new file mode 100755
index 0000000..25bb6f7
--- /dev/null
+++ b/tools/bin2c
@@ -0,0 +1,35 @@
+#! /bin/sh
+
+readbyte()
+{
+	read dummy hex << EOF
+	$(dd bs=1 count=1 2> /dev/null | od -t xC)
+EOF
+	printf "%s\n" $hex
+}
+
+if [ $# -ne 1 ] ; then
+	echo "usage: $0 in.bin > out.c"
+	exit
+fi
+
+varname=$(basename $1 .bin | tr -d "\n" | tr -c a-zA-Z _)
+length=0
+
+exec < $1
+printf "#include <stddef.h>\n"
+printf "const unsigned char %s[] = {" $varname
+
+byte=$(readbyte)
+until [ -z $byte ] ; do
+	[ $(($length % 12)) -eq 0 ] && printf "\n\t"
+	printf "0x%s," $byte
+	let length+=1
+
+	byte=$(readbyte)
+done
+
+[ $length -ne 0 ] && printf "\n"
+printf "};\n"
+
+printf "const size_t %s_size = %s;\n" $varname $length