diff --git a/firmware/tools/cpld_bitstream.py b/firmware/tools/cpld_bitstream.py
index 2e201361..4adcad43 100755
--- a/firmware/tools/cpld_bitstream.py
+++ b/firmware/tools/cpld_bitstream.py
@@ -149,9 +149,10 @@ def make_sram_program(program_blocks):
 import argparse
 
 parser = argparse.ArgumentParser()
-action_group = parser.add_mutually_exclusive_group(required=True)
-action_group.add_argument('--checksum', action='store_true', help='Calculate bitstream read-back CRC32 value')
+action_group = parser.add_argument_group(title='outputs')
+action_group.add_argument('--checksum', action='store_true', help='Print bitstream verification CRC32 value')
 action_group.add_argument('--hackrf-data', type=str, help='C data file for HackRF bitstream loading/programming/verification')
+action_group.add_argument('--portapack-data', type=str, help='C++ data file for PortaPack bitstream loading/programming/verification')
 parser.add_argument('--crcmod', action='store_true', help='Use Python crcmod library instead of built-in CRC32 code')
 parser.add_argument('--debug', action='store_true', help='Enable debug output')
 parser.add_argument('--xsvf', required=True, type=str, help='HackRF Xilinx XC2C64A CPLD XSVF file containing erase/program/verify phases')
@@ -245,3 +246,33 @@ if args.hackrf_data:
 	))
 	with open(args.hackrf_data, 'w') as f:
 		f.write('\n'.join(result))
+
+if args.portapack_data:
+	program_sram = make_sram_program(program_blocks)
+	verify_block = verify_blocks[1]
+	verify_masks = extract_mask(verify_block)
+
+	result = []
+	result.extend((
+		'/*',
+		' * WARNING: Auto-generated file. Do not edit.',
+		'*/',
+		'#include "hackrf_cpld_data.hpp"',
+		'namespace hackrf {',
+		'namespace one {',
+		'namespace cpld {',
+		'const ::cpld::xilinx::XC2C64A::verify_blocks_t verify_blocks { {',
+	))
+	data_lines = [', '.join(['0x%02x' % n for n in row['data'].to_bytes(bytes_of_data, byteorder='big')]) for row in program_sram]
+	mask_lines = [', '.join(['0x%02x' % n for n in mask.to_bytes(bytes_of_data, byteorder='big')]) for mask in verify_masks]
+	lines = ['{ 0x%02x, { { %s } }, { { %s } } }' % data for data in zip(address_sequence, data_lines, mask_lines)]
+	result.extend('\t%s,' % line for line in lines)
+	result.extend((
+		'} };',
+		'} /* namespace hackrf */',
+		'} /* namespace one */',
+		'} /* namespace cpld */',
+		'',
+	))
+	with open(args.portapack_data, 'w') as f:
+		f.write('\n'.join(result))