#!/usr/bin/perl

# Copyright (c) Mauro Carvalho Chehab <mchehab@infradead.org>
# Released under GPLv2
#
# In order to use, you need to:
#	1) Download the windows driver with something like:
#		wget http://www.steventoth.net/linux/xc5000/HVR-12x0-14x0-17x0_1_25_25271_WHQL.zip
#	2) Extract the file hcw85bda.sys from the zip into the current dir:
#		unzip -j HVR-12x0-14x0-17x0_1_25_25271_WHQL.zip Driver85/hcw85bda.sys
#	3) run the script:
#		./extract_xc3028.pl
#	4) copy the generated file:
#		cp xc3028-v27.fw /lib/firmware

#use strict;
use IO::Handle;

my $debug=0;

sub verify ($$)
{
	my ($filename, $hash) = @_;
	my ($testhash);

	if (system("which md5sum > /dev/null 2>&1")) {
		die "This firmware requires the md5sum command - see http://www.gnu.org/software/coreutils/\n";
	}

	open(CMD, "md5sum ".$filename."|");
	$testhash = <CMD>;
	$testhash =~ /([a-zA-Z0-9]*)/;
	$testhash = $1;
	close CMD;
		die "Hash of extracted file does not match (found $testhash, expected $hash!\n" if ($testhash ne $hash);
}

sub get_hunk ($$)
{
	my ($offset, $length) = @_;
	my ($chunklength, $buf, $rcount, $out);

	sysseek(INFILE, $offset, SEEK_SET);
	while ($length > 0) {
	# Calc chunk size
		$chunklength = 2048;
		$chunklength = $length if ($chunklength > $length);

		$rcount = sysread(INFILE, $buf, $chunklength);
		die "Ran out of data\n" if ($rcount != $chunklength);
		$out .= $buf;
		$length -= $rcount;
	}
	return $out;
}

sub write_le16($)
{
	my $val = shift;
	my $msb = ($val >> 8) &0xff;
	my $lsb = $val & 0xff;

	syswrite(OUTFILE, chr($lsb).chr($msb));
}

sub write_le32($)
{
	my $val = shift;
	my $l3 = ($val >> 24) & 0xff;
	my $l2 = ($val >> 16) & 0xff;
	my $l1 = ($val >> 8)  & 0xff;
	my $l0 = $val         & 0xff;

	syswrite(OUTFILE, chr($l0).chr($l1).chr($l2).chr($l3));
}

sub write_le64($$)
{
	my $msb_val = shift;
	my $lsb_val = shift;
	my $l7 = ($msb_val >> 24) & 0xff;
	my $l6 = ($msb_val >> 16) & 0xff;
	my $l5 = ($msb_val >> 8)  & 0xff;
	my $l4 = $msb_val         & 0xff;

	my $l3 = ($lsb_val >> 24) & 0xff;
	my $l2 = ($lsb_val >> 16) & 0xff;
	my $l1 = ($lsb_val >> 8)  & 0xff;
	my $l0 = $lsb_val         & 0xff;

	syswrite(OUTFILE,
		 chr($l0).chr($l1).chr($l2).chr($l3).
		 chr($l4).chr($l5).chr($l6).chr($l7));
}

sub write_hunk($$)
{
	my ($offset, $length) = @_;
	my $out = get_hunk($offset, $length);

	printf "(len %d) ",$length if ($debug);

	for (my $i=0;$i<$length;$i++) {
		printf "%02x ",ord(substr($out,$i,1)) if ($debug);
	}
	printf "\n" if ($debug);

	syswrite(OUTFILE, $out);
}

sub write_hunk_fix_endian($$)
{
	my ($offset, $length) = @_;
	my $out = get_hunk($offset, $length);

	printf "(len_fix %d) ",$length if ($debug);

	for (my $i=0;$i<$length;$i++) {
		printf "%02x ",ord(substr($out,$i,1)) if ($debug);
	}
	printf "\n" if ($debug);

	my $i=0;
	while ($i<$length) {
		my $size = ord(substr($out,$i,1))*256+ord(substr($out,$i+1,1));
		syswrite(OUTFILE, substr($out,$i+1,1));
		syswrite(OUTFILE, substr($out,$i,1));
		$i+=2;
		if ($size>0 && $size <0x8000) {
			for (my $j=0;$j<$size;$j++) {
				syswrite(OUTFILE, substr($out,$j+$i,1));
			}
			$i+=$size;
		}
	}
}

sub main_firmware($$$$)
{
	my $out;
	my $j=0;
	my $outfile = shift;
	my $name    = shift;
	my $version = shift;
	my $nr_desc = shift;

	for ($j = length($name); $j <32; $j++) {
		$name = $name.chr(0);
}

	open OUTFILE, ">$outfile";
	syswrite(OUTFILE, $name);
	write_le16($version);
	write_le16($nr_desc);

	#
	# Firmware 0, type: BASE FW   F8MHZ (0x00000003), id: (0000000000000000), size: 8718
	#

	write_le32(0x00000003);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le32(8718);			# Size
	write_hunk_fix_endian(813432, 8718);

	#
	# Firmware 1, type: BASE FW   F8MHZ MTS (0x00000007), id: (0000000000000000), size: 8712
	#

	write_le32(0x00000007);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le32(8712);			# Size
	write_hunk_fix_endian(822152, 8712);

	#
	# Firmware 2, type: BASE FW   FM (0x00000401), id: (0000000000000000), size: 8562
	#

	write_le32(0x00000401);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le32(8562);			# Size
	write_hunk_fix_endian(830872, 8562);

	#
	# Firmware 3, type: BASE FW   FM INPUT1 (0x00000c01), id: (0000000000000000), size: 8576
	#

	write_le32(0x00000c01);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le32(8576);			# Size
	write_hunk_fix_endian(839440, 8576);

	#
	# Firmware 4, type: BASE FW   (0x00000001), id: (0000000000000000), size: 8706
	#

	write_le32(0x00000001);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le32(8706);			# Size
	write_hunk_fix_endian(848024, 8706);

	#
	# Firmware 5, type: BASE FW   MTS (0x00000005), id: (0000000000000000), size: 8682
	#

	write_le32(0x00000005);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le32(8682);			# Size
	write_hunk_fix_endian(856736, 8682);

	#
	# Firmware 6, type: STD FW    (0x00000000), id: PAL/BG A2/A (0000000100000007), size: 161
	#

	write_le32(0x00000000);			# Type
	write_le64(0x00000001, 0x00000007);	# ID
	write_le32(161);			# Size
	write_hunk_fix_endian(865424, 161);

	#
	# Firmware 7, type: STD FW    MTS (0x00000004), id: PAL/BG A2/A (0000000100000007), size: 169
	#

	write_le32(0x00000004);			# Type
	write_le64(0x00000001, 0x00000007);	# ID
	write_le32(169);			# Size
	write_hunk_fix_endian(865592, 169);

	#
	# Firmware 8, type: STD FW    (0x00000000), id: PAL/BG A2/B (0000000200000007), size: 161
	#

	write_le32(0x00000000);			# Type
	write_le64(0x00000002, 0x00000007);	# ID
	write_le32(161);			# Size
	write_hunk_fix_endian(865424, 161);

	#
	# Firmware 9, type: STD FW    MTS (0x00000004), id: PAL/BG A2/B (0000000200000007), size: 169
	#

	write_le32(0x00000004);			# Type
	write_le64(0x00000002, 0x00000007);	# ID
	write_le32(169);			# Size
	write_hunk_fix_endian(865592, 169);

	#
	# Firmware 10, type: STD FW    (0x00000000), id: PAL/BG NICAM/A (0000000400000007), size: 161
	#

	write_le32(0x00000000);			# Type
	write_le64(0x00000004, 0x00000007);	# ID
	write_le32(161);			# Size
	write_hunk_fix_endian(866112, 161);

	#
	# Firmware 11, type: STD FW    MTS (0x00000004), id: PAL/BG NICAM/A (0000000400000007), size: 169
	#

	write_le32(0x00000004);			# Type
	write_le64(0x00000004, 0x00000007);	# ID
	write_le32(169);			# Size
	write_hunk_fix_endian(866280, 169);

	#
	# Firmware 12, type: STD FW    (0x00000000), id: PAL/BG NICAM/B (0000000800000007), size: 161
	#

	write_le32(0x00000000);			# Type
	write_le64(0x00000008, 0x00000007);	# ID
	write_le32(161);			# Size
	write_hunk_fix_endian(866112, 161);

	#
	# Firmware 13, type: STD FW    MTS (0x00000004), id: PAL/BG NICAM/B (0000000800000007), size: 169
	#

	write_le32(0x00000004);			# Type
	write_le64(0x00000008, 0x00000007);	# ID
	write_le32(169);			# Size
	write_hunk_fix_endian(866280, 169);

	#
	# Firmware 14, type: STD FW    (0x00000000), id: PAL/DK A2 (00000003000000e0), size: 161
	#

	write_le32(0x00000000);			# Type
	write_le64(0x00000003, 0x000000e0);	# ID
	write_le32(161);			# Size
	write_hunk_fix_endian(866800, 161);

	#
	# Firmware 15, type: STD FW    MTS (0x00000004), id: PAL/DK A2 (00000003000000e0), size: 169
	#

	write_le32(0x00000004);			# Type
	write_le64(0x00000003, 0x000000e0);	# ID
	write_le32(169);			# Size
	write_hunk_fix_endian(866968, 169);

	#
	# Firmware 16, type: STD FW    (0x00000000), id: PAL/DK NICAM (0000000c000000e0), size: 161
	#

	write_le32(0x00000000);			# Type
	write_le64(0x0000000c, 0x000000e0);	# ID
	write_le32(161);			# Size
	write_hunk_fix_endian(867144, 161);

	#
	# Firmware 17, type: STD FW    MTS (0x00000004), id: PAL/DK NICAM (0000000c000000e0), size: 169
	#

	write_le32(0x00000004);			# Type
	write_le64(0x0000000c, 0x000000e0);	# ID
	write_le32(169);			# Size
	write_hunk_fix_endian(867312, 169);

	#
	# Firmware 18, type: STD FW    (0x00000000), id: SECAM/K1 (0000000000200000), size: 161
	#

	write_le32(0x00000000);			# Type
	write_le64(0x00000000, 0x00200000);	# ID
	write_le32(161);			# Size
	write_hunk_fix_endian(867488, 161);

	#
	# Firmware 19, type: STD FW    MTS (0x00000004), id: SECAM/K1 (0000000000200000), size: 169
	#

	write_le32(0x00000004);			# Type
	write_le64(0x00000000, 0x00200000);	# ID
	write_le32(169);			# Size
	write_hunk_fix_endian(867656, 169);

	#
	# Firmware 20, type: STD FW    (0x00000000), id: SECAM/K3 (0000000004000000), size: 161
	#

	write_le32(0x00000000);			# Type
	write_le64(0x00000000, 0x04000000);	# ID
	write_le32(161);			# Size
	write_hunk_fix_endian(867832, 161);

	#
	# Firmware 21, type: STD FW    MTS (0x00000004), id: SECAM/K3 (0000000004000000), size: 169
	#

	write_le32(0x00000004);			# Type
	write_le64(0x00000000, 0x04000000);	# ID
	write_le32(169);			# Size
	write_hunk_fix_endian(868000, 169);

	#
	# Firmware 22, type: STD FW    D2633 DTV6 ATSC (0x00010030), id: (0000000000000000), size: 149
	#

	write_le32(0x00010030);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le32(149);			# Size
	write_hunk_fix_endian(868176, 149);

	#
	# Firmware 23, type: STD FW    D2620 DTV6 QAM (0x00000068), id: (0000000000000000), size: 149
	#

	write_le32(0x00000068);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le32(149);			# Size
	write_hunk_fix_endian(868336, 149);

	#
	# Firmware 24, type: STD FW    D2633 DTV6 QAM (0x00000070), id: (0000000000000000), size: 149
	#

	write_le32(0x00000070);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le32(149);			# Size
	write_hunk_fix_endian(868488, 149);

	#
	# Firmware 25, type: STD FW    D2620 DTV7 (0x00000088), id: (0000000000000000), size: 149
	#

	write_le32(0x00000088);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le32(149);			# Size
	write_hunk_fix_endian(868648, 149);

	#
	# Firmware 26, type: STD FW    D2633 DTV7 (0x00000090), id: (0000000000000000), size: 149
	#

	write_le32(0x00000090);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le32(149);			# Size
	write_hunk_fix_endian(868800, 149);

	#
	# Firmware 27, type: STD FW    D2620 DTV78 (0x00000108), id: (0000000000000000), size: 149
	#

	write_le32(0x00000108);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le32(149);			# Size
	write_hunk_fix_endian(868960, 149);

	#
	# Firmware 28, type: STD FW    D2633 DTV78 (0x00000110), id: (0000000000000000), size: 149
	#

	write_le32(0x00000110);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le32(149);			# Size
	write_hunk_fix_endian(869112, 149);

	#
	# Firmware 29, type: STD FW    D2620 DTV8 (0x00000208), id: (0000000000000000), size: 149
	#

	write_le32(0x00000208);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le32(149);			# Size
	write_hunk_fix_endian(868648, 149);

	#
	# Firmware 30, type: STD FW    D2633 DTV8 (0x00000210), id: (0000000000000000), size: 149
	#

	write_le32(0x00000210);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le32(149);			# Size
	write_hunk_fix_endian(868800, 149);

	#
	# Firmware 31, type: STD FW    FM (0x00000400), id: (0000000000000000), size: 135
	#

	write_le32(0x00000400);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le32(135);			# Size
	write_hunk_fix_endian(869584, 135);

	#
	# Firmware 32, type: STD FW    (0x00000000), id: PAL/I (0000000000000010), size: 161
	#

	write_le32(0x00000000);			# Type
	write_le64(0x00000000, 0x00000010);	# ID
	write_le32(161);			# Size
	write_hunk_fix_endian(869728, 161);

	#
	# Firmware 33, type: STD FW    MTS (0x00000004), id: PAL/I (0000000000000010), size: 169
	#

	write_le32(0x00000004);			# Type
	write_le64(0x00000000, 0x00000010);	# ID
	write_le32(169);			# Size
	write_hunk_fix_endian(869896, 169);

	#
	# Firmware 34, type: STD FW    (0x00000000), id: SECAM/L AM (0000001000400000), size: 169
	#

	write_le32(0x00000000);			# Type
	write_le64(0x00000010, 0x00400000);	# ID
	write_le32(169);			# Size
	write_hunk_fix_endian(870072, 169);

	#
	# Firmware 35, type: STD FW    (0x00000000), id: SECAM/L NICAM (0000000c00400000), size: 161
	#

	write_le32(0x00000000);			# Type
	write_le64(0x0000000c, 0x00400000);	# ID
	write_le32(161);			# Size
	write_hunk_fix_endian(870248, 161);

	#
	# Firmware 36, type: STD FW    (0x00000000), id: SECAM/Lc (0000000000800000), size: 161
	#

	write_le32(0x00000000);			# Type
	write_le64(0x00000000, 0x00800000);	# ID
	write_le32(161);			# Size
	write_hunk_fix_endian(870416, 161);

	#
	# Firmware 37, type: STD FW    (0x00000000), id: NTSC/M Kr (0000000000008000), size: 161
	#

	write_le32(0x00000000);			# Type
	write_le64(0x00000000, 0x00008000);	# ID
	write_le32(161);			# Size
	write_hunk_fix_endian(870584, 161);

	#
	# Firmware 38, type: STD FW    LCD (0x00001000), id: NTSC/M Kr (0000000000008000), size: 161
	#

	write_le32(0x00001000);			# Type
	write_le64(0x00000000, 0x00008000);	# ID
	write_le32(161);			# Size
	write_hunk_fix_endian(870752, 161);

	#
	# Firmware 39, type: STD FW    LCD NOGD (0x00003000), id: NTSC/M Kr (0000000000008000), size: 161
	#

	write_le32(0x00003000);			# Type
	write_le64(0x00000000, 0x00008000);	# ID
	write_le32(161);			# Size
	write_hunk_fix_endian(870920, 161);

	#
	# Firmware 40, type: STD FW    MTS (0x00000004), id: NTSC/M Kr (0000000000008000), size: 169
	#

	write_le32(0x00000004);			# Type
	write_le64(0x00000000, 0x00008000);	# ID
	write_le32(169);			# Size
	write_hunk_fix_endian(871088, 169);

	#
	# Firmware 41, type: STD FW    (0x00000000), id: NTSC PAL/M PAL/N (000000000000b700), size: 161
	#

	write_le32(0x00000000);			# Type
	write_le64(0x00000000, 0x0000b700);	# ID
	write_le32(161);			# Size
	write_hunk_fix_endian(871264, 161);

	#
	# Firmware 42, type: STD FW    LCD (0x00001000), id: NTSC PAL/M PAL/N (000000000000b700), size: 161
	#

	write_le32(0x00001000);			# Type
	write_le64(0x00000000, 0x0000b700);	# ID
	write_le32(161);			# Size
	write_hunk_fix_endian(871432, 161);

	#
	# Firmware 43, type: STD FW    LCD NOGD (0x00003000), id: NTSC PAL/M PAL/N (000000000000b700), size: 161
	#

	write_le32(0x00003000);			# Type
	write_le64(0x00000000, 0x0000b700);	# ID
	write_le32(161);			# Size
	write_hunk_fix_endian(871600, 161);

	#
	# Firmware 44, type: STD FW    (0x00000000), id: NTSC/M Jp (0000000000002000), size: 161
	#

	write_le32(0x00000000);			# Type
	write_le64(0x00000000, 0x00002000);	# ID
	write_le32(161);			# Size
	write_hunk_fix_endian(871264, 161);

	#
	# Firmware 45, type: STD FW    MTS (0x00000004), id: NTSC PAL/M PAL/N (000000000000b700), size: 169
	#

	write_le32(0x00000004);			# Type
	write_le64(0x00000000, 0x0000b700);	# ID
	write_le32(169);			# Size
	write_hunk_fix_endian(871936, 169);

	#
	# Firmware 46, type: STD FW    MTS LCD (0x00001004), id: NTSC PAL/M PAL/N (000000000000b700), size: 169
	#

	write_le32(0x00001004);			# Type
	write_le64(0x00000000, 0x0000b700);	# ID
	write_le32(169);			# Size
	write_hunk_fix_endian(872112, 169);

	#
	# Firmware 47, type: STD FW    MTS LCD NOGD (0x00003004), id: NTSC PAL/M PAL/N (000000000000b700), size: 169
	#

	write_le32(0x00003004);			# Type
	write_le64(0x00000000, 0x0000b700);	# ID
	write_le32(169);			# Size
	write_hunk_fix_endian(872288, 169);

	#
	# Firmware 48, type: SCODE FW  HAS IF (0x60000000), IF = 3.28 MHz id: (0000000000000000), size: 192
	#

	write_le32(0x60000000);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le16(3280);			# IF
	write_le32(192);			# Size
	write_hunk(811896, 192);

	#
	# Firmware 49, type: SCODE FW  HAS IF (0x60000000), IF = 3.30 MHz id: (0000000000000000), size: 192
	#

	write_le32(0x60000000);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le16(3300);			# IF
	write_le32(192);			# Size
	write_hunk(813048, 192);

	#
	# Firmware 50, type: SCODE FW  HAS IF (0x60000000), IF = 3.44 MHz id: (0000000000000000), size: 192
	#

	write_le32(0x60000000);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le16(3440);			# IF
	write_le32(192);			# Size
	write_hunk(812280, 192);

	#
	# Firmware 51, type: SCODE FW  HAS IF (0x60000000), IF = 3.46 MHz id: (0000000000000000), size: 192
	#

	write_le32(0x60000000);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le16(3460);			# IF
	write_le32(192);			# Size
	write_hunk(812472, 192);

	#
	# Firmware 52, type: SCODE FW  DTV6 ATSC OREN36 HAS IF (0x60210020), IF = 3.80 MHz id: (0000000000000000), size: 192
	#

	write_le32(0x60210020);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le16(3800);			# IF
	write_le32(192);			# Size
	write_hunk(809784, 192);

	#
	# Firmware 53, type: SCODE FW  HAS IF (0x60000000), IF = 4.00 MHz id: (0000000000000000), size: 192
	#

	write_le32(0x60000000);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le16(4000);			# IF
	write_le32(192);			# Size
	write_hunk(812088, 192);

	#
	# Firmware 54, type: SCODE FW  DTV6 ATSC TOYOTA388 HAS IF (0x60410020), IF = 4.08 MHz id: (0000000000000000), size: 192
	#

	write_le32(0x60410020);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le16(4080);			# IF
	write_le32(192);			# Size
	write_hunk(809976, 192);

	#
	# Firmware 55, type: SCODE FW  HAS IF (0x60000000), IF = 4.20 MHz id: (0000000000000000), size: 192
	#

	write_le32(0x60000000);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le16(4200);			# IF
	write_le32(192);			# Size
	write_hunk(811704, 192);

	#
	# Firmware 56, type: SCODE FW  MONO HAS IF (0x60008000), IF = 4.32 MHz id: NTSC/M Kr (0000000000008000), size: 192
	#

	write_le32(0x60008000);			# Type
	write_le64(0x00000000, 0x00008000);	# ID
	write_le16(4320);			# IF
	write_le32(192);			# Size
	write_hunk(808056, 192);

	#
	# Firmware 57, type: SCODE FW  HAS IF (0x60000000), IF = 4.45 MHz id: (0000000000000000), size: 192
	#

	write_le32(0x60000000);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le16(4450);			# IF
	write_le32(192);			# Size
	write_hunk(812664, 192);

	#
	# Firmware 58, type: SCODE FW  MTS LCD NOGD MONO IF HAS IF (0x6002b004), IF = 4.50 MHz id: NTSC PAL/M PAL/N (000000000000b700), size: 192
	#

	write_le32(0x6002b004);			# Type
	write_le64(0x00000000, 0x0000b700);	# ID
	write_le16(4500);			# IF
	write_le32(192);			# Size
	write_hunk(807672, 192);

	#
	# Firmware 59, type: SCODE FW  LCD NOGD IF HAS IF (0x60023000), IF = 4.60 MHz id: NTSC/M Kr (0000000000008000), size: 192
	#

	write_le32(0x60023000);			# Type
	write_le64(0x00000000, 0x00008000);	# ID
	write_le16(4600);			# IF
	write_le32(192);			# Size
	write_hunk(807864, 192);

	#
	# Firmware 60, type: SCODE FW  DTV6 QAM DTV7 DTV78 DTV8 ZARLINK456 HAS IF (0x620003e0), IF = 4.76 MHz id: (0000000000000000), size: 192
	#

	write_le32(0x620003e0);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le16(4760);			# IF
	write_le32(192);			# Size
	write_hunk(807288, 192);

	#
	# Firmware 61, type: SCODE FW  HAS IF (0x60000000), IF = 4.94 MHz id: (0000000000000000), size: 192
	#

	write_le32(0x60000000);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le16(4940);			# IF
	write_le32(192);			# Size
	write_hunk(811512, 192);

	#
	# Firmware 62, type: SCODE FW  HAS IF (0x60000000), IF = 5.26 MHz id: (0000000000000000), size: 192
	#

	write_le32(0x60000000);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le16(5260);			# IF
	write_le32(192);			# Size
	write_hunk(810552, 192);

	#
	# Firmware 63, type: SCODE FW  MONO HAS IF (0x60008000), IF = 5.32 MHz id: PAL/BG A2 NICAM (0000000f00000007), size: 192
	#

	write_le32(0x60008000);			# Type
	write_le64(0x0000000f, 0x00000007);	# ID
	write_le16(5320);			# IF
	write_le32(192);			# Size
	write_hunk(810744, 192);

	#
	# Firmware 64, type: SCODE FW  DTV7 DTV78 DTV8 DIBCOM52 CHINA HAS IF (0x65000380), IF = 5.40 MHz id: (0000000000000000), size: 192
	#

	write_le32(0x65000380);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le16(5400);			# IF
	write_le32(192);			# Size
	write_hunk(807096, 192);

	#
	# Firmware 65, type: SCODE FW  DTV6 ATSC OREN538 HAS IF (0x60110020), IF = 5.58 MHz id: (0000000000000000), size: 192
	#

	write_le32(0x60110020);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le16(5580);			# IF
	write_le32(192);			# Size
	write_hunk(809592, 192);

	#
	# Firmware 66, type: SCODE FW  HAS IF (0x60000000), IF = 5.64 MHz id: PAL/BG A2 (0000000300000007), size: 192
	#

	write_le32(0x60000000);			# Type
	write_le64(0x00000003, 0x00000007);	# ID
	write_le16(5640);			# IF
	write_le32(192);			# Size
	write_hunk(808440, 192);

	#
	# Firmware 67, type: SCODE FW  HAS IF (0x60000000), IF = 5.74 MHz id: PAL/BG NICAM (0000000c00000007), size: 192
	#

	write_le32(0x60000000);			# Type
	write_le64(0x0000000c, 0x00000007);	# ID
	write_le16(5740);			# IF
	write_le32(192);			# Size
	write_hunk(808632, 192);

	#
	# Firmware 68, type: SCODE FW  HAS IF (0x60000000), IF = 5.90 MHz id: (0000000000000000), size: 192
	#

	write_le32(0x60000000);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le16(5900);			# IF
	write_le32(192);			# Size
	write_hunk(810360, 192);

	#
	# Firmware 69, type: SCODE FW  MONO HAS IF (0x60008000), IF = 6.00 MHz id: PAL/DK PAL/I SECAM/K3 SECAM/L SECAM/Lc NICAM (0000000c04c000f0), size: 192
	#

	write_le32(0x60008000);			# Type
	write_le64(0x0000000c, 0x04c000f0);	# ID
	write_le16(6000);			# IF
	write_le32(192);			# Size
	write_hunk(808824, 192);

	#
	# Firmware 70, type: SCODE FW  DTV6 QAM ATSC LG60 F6MHZ HAS IF (0x68050060), IF = 6.20 MHz id: (0000000000000000), size: 192
	#

	write_le32(0x68050060);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le16(6200);			# IF
	write_le32(192);			# Size
	write_hunk(809400, 192);

	#
	# Firmware 71, type: SCODE FW  HAS IF (0x60000000), IF = 6.24 MHz id: PAL/I (0000000000000010), size: 192
	#

	write_le32(0x60000000);			# Type
	write_le64(0x00000000, 0x00000010);	# ID
	write_le16(6240);			# IF
	write_le32(192);			# Size
	write_hunk(808248, 192);

	#
	# Firmware 72, type: SCODE FW  MONO HAS IF (0x60008000), IF = 6.32 MHz id: SECAM/K1 (0000000000200000), size: 192
	#

	write_le32(0x60008000);			# Type
	write_le64(0x00000000, 0x00200000);	# ID
	write_le16(6320);			# IF
	write_le32(192);			# Size
	write_hunk(811320, 192);

	#
	# Firmware 73, type: SCODE FW  HAS IF (0x60000000), IF = 6.34 MHz id: SECAM/K1 (0000000000200000), size: 192
	#

	write_le32(0x60000000);			# Type
	write_le64(0x00000000, 0x00200000);	# ID
	write_le16(6340);			# IF
	write_le32(192);			# Size
	write_hunk(809208, 192);

	#
	# Firmware 74, type: SCODE FW  MONO HAS IF (0x60008000), IF = 6.50 MHz id: PAL/DK SECAM/K3 SECAM/L NICAM (0000000c044000e0), size: 192
	#

	write_le32(0x60008000);			# Type
	write_le64(0x0000000c, 0x044000e0);	# ID
	write_le16(6500);			# IF
	write_le32(192);			# Size
	write_hunk(811128, 192);

	#
	# Firmware 75, type: SCODE FW  DTV6 ATSC ATI638 HAS IF (0x60090020), IF = 6.58 MHz id: (0000000000000000), size: 192
	#

	write_le32(0x60090020);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le16(6580);			# IF
	write_le32(192);			# Size
	write_hunk(807480, 192);

	#
	# Firmware 76, type: SCODE FW  HAS IF (0x60000000), IF = 6.60 MHz id: PAL/DK A2 (00000003000000e0), size: 192
	#

	write_le32(0x60000000);			# Type
	write_le64(0x00000003, 0x000000e0);	# ID
	write_le16(6600);			# IF
	write_le32(192);			# Size
	write_hunk(809016, 192);

	#
	# Firmware 77, type: SCODE FW  MONO HAS IF (0x60008000), IF = 6.68 MHz id: PAL/DK A2 (00000003000000e0), size: 192
	#

	write_le32(0x60008000);			# Type
	write_le64(0x00000003, 0x000000e0);	# ID
	write_le16(6680);			# IF
	write_le32(192);			# Size
	write_hunk(810936, 192);

	#
	# Firmware 78, type: SCODE FW  DTV6 ATSC TOYOTA794 HAS IF (0x60810020), IF = 8.14 MHz id: (0000000000000000), size: 192
	#

	write_le32(0x60810020);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le16(8140);			# IF
	write_le32(192);			# Size
	write_hunk(810168, 192);

	#
	# Firmware 79, type: SCODE FW  HAS IF (0x60000000), IF = 8.20 MHz id: (0000000000000000), size: 192
	#

	write_le32(0x60000000);			# Type
	write_le64(0x00000000, 0x00000000);	# ID
	write_le16(8200);			# IF
	write_le32(192);			# Size
	write_hunk(812856, 192);
}

sub extract_firmware {
	my $sourcefile = "hcw85bda.sys";
	my $hash = "0e44dbf63bb0169d57446aec21881ff2";
	my $outfile = "xc3028-v27.fw";
	my $name = "xc2028 firmware";
	my $version = 519;
	my $nr_desc = 80;
	my $out;

	verify($sourcefile, $hash);

	open INFILE, "<$sourcefile";
	main_firmware($outfile, $name, $version, $nr_desc);
	close INFILE;
}

extract_firmware;
printf "Firmwares generated.\n";