#!/bin/sh

if [[ $# -ne 2 ]]; then
	echo "Usage: $0 RomMondo RomImageL"
	exit 1
fi

dd if="$1" of="$2" count=1 bs=$((0x`xxd -p -s $((0x1a)) -l 4 "$1"`)) &> /dev/null
dd if=/dev/zero of="$2" bs=1 seek=$((0x0)) count=$((0x4)) conv=notrunc &> /dev/null
dd if=/dev/zero of="$2" bs=1 seek=$((0x1a)) count=$((0x4)) conv=notrunc &> /dev/null
dd if=/dev/zero of="$2" bs=1 seek=$((0x30)) count=$((0x10)) conv=notrunc &> /dev/null
dd if=/dev/zero of="$2" bs=1 seek=$((0x40)) count=$((0x4)) conv=notrunc &> /dev/null