def test_str():
str_test = [("msg", b.string(5))]
data = bytearray([0x68, 0x65, 0x6c, 0x6c, 0x6f])
result = b.parse(data, str_test)
assert_equal(result.msg.decode('utf-8'), "hello")
assert_equal(b.write(result, str_test), data)
def test_str():
str_test = [("msg", b.string(5))]
data = bytearray([0x68, 0x65, 0x6c, 0x6c, 0x6f])
result = b.parse(data, str_test)
assert_equal(result.msg.decode('utf-8'), "hello")
assert_equal(b.write(result, str_test), data)
def test_parse_str():
test_struct = [("str", b.string(13))]
test_str = str("gabbagabbahey")
test_parsed = b.parse(test_str, test_struct)
assert_equal(test_parsed.str.decode('utf-8'), "gabbagabbahey")
def test_str():
str_test = [("msg", b.string(5))]
data = bytearray([0x68, 0x65, 0x6c, 0x6c, 0x6f])
result = b.parse(data, str_test)
assert result.msg == "hello"
assert b.write(result, str_test) == data
def test_parse_str():
test_struct = [
("str", b.string(13))
]
test_str = str("gabbagabbahey")
test_parsed = b.parse(test_str, test_struct)
assert_equal(test_parsed.str.decode('utf-8'), "gabbagabbahey")
def test_parse_str():
test_struct = [
("str", b.string(13))
]
test_str = str("gabbagabbahey")
test_parsed = b.parse(test_str, test_struct)
assert test_parsed.str == "gabbagabbahey"
def test_str():
str_test = [("msg", b.string(5))]
data = bytearray([0x68, 0x65, 0x6c, 0x6c, 0x6f])
result = b.parse(data, str_test)
assert result.msg == "hello"
assert b.write(result, str_test) == data
assert result.as_json() == json.dumps({'msg': 'hello'})
def test_read_and_write_prefix():
lsdsng_preamble = [("name", b.string(8)), ("version", b.byte)]
data = 'hellomon'.encode('utf-8')
data += bytearray([10, 20, 30, 40, 50])
parsed = b.parse(data, lsdsng_preamble)
assert_equal(len(parsed), 9 * 8)
output_bytes = b.write(parsed)
assert_equal(len(output_bytes), 9)
def test_get_slice():
data = bytearray([0x61, 0x62, 0x63, 0x64, 0x65, 0x66])
slice_test_format = [('arr', b.array(6, b.string(1)))]
slice_test = b.parse(data, slice_test_format)
assert_equal([b'a', b'b', b'c', b'd', b'e', b'f'], list(slice_test.arr))
assert_equal([b'c', b'd', b'e', b'f'], slice_test.arr[2:])
assert_equal([b'a', b'b'], slice_test.arr[:2])
assert_equal([b'f', b'e', b'd', b'c', b'b', b'a'], slice_test.arr[::-1])
assert_equal([b'c', b'd', b'e'], slice_test.arr[2:5])
assert_equal([b'f', b'e', b'd'], slice_test.arr[5:2:-1])
assert_equal([b'f', b'e', b'd'], slice_test.arr[:2:-1])
def test_new():
format_spec = [("greeting", b.string(5)), ("age", b.nibble)]
empty_struct = b.new(format_spec)
assert_equal(len(empty_struct), 8 * 5 + 4)
assert_equal(empty_struct.greeting, b'\x00\x00\x00\x00\x00')
assert_equal(empty_struct.age, 0)
empty_struct.greeting = 'hello'
empty_struct.age = 0xb
output_bytes = b.write(empty_struct)
assert_equal(output_bytes, bytearray([0x68, 0x65, 0x6c, 0x6c, 0x6f, 0xb0]))
def test_get_slice():
data = bytearray([0x61, 0x62, 0x63, 0x64, 0x65, 0x66])
slice_test_format = [('arr', b.array(6, b.string(1)))]
slice_test = b.parse(data, slice_test_format)
assert_equal([b'a', b'b', b'c', b'd', b'e', b'f'], list(slice_test.arr))
assert_equal([b'c', b'd', b'e', b'f'], slice_test.arr[2:])
assert_equal([b'a', b'b'], slice_test.arr[:2])
assert_equal([b'f', b'e', b'd', b'c', b'b', b'a'], slice_test.arr[::-1])
assert_equal([b'c', b'd', b'e'], slice_test.arr[2:5])
assert_equal([b'f', b'e', b'd'], slice_test.arr[5:2:-1])
assert_equal([b'f', b'e', b'd'], slice_test.arr[:2:-1])
def _test_new(data=None):
format_spec = [("greeting", b.string(5)),
("age", b.nibble)]
empty_struct = b.new(format_spec, data=data)
assert len(empty_struct) == 8 * 5 + 4
assert empty_struct.greeting == b'\x00\x00\x00\x00\x00'.decode('utf-8')
assert empty_struct.age == 0
empty_struct.greeting = 'hello'
empty_struct.age = 0xb
output_bytes = b.write(empty_struct)
assert output_bytes == bytearray([0x68, 0x65, 0x6c, 0x6c, 0x6f, 0xb0])
def test_str_unicode():
str_test = [("msg", b.string(5))]
data = bytearray([104, 101, 108, 108, 111])
result = b.parse(data, str_test)
assert_equal(result.msg.decode('utf-8'), "hello")
assert_equal(b.write(result, str_test), data)
result.msg = "abate"
output_data = b.write(result, str_test)
edited_result = b.parse(output_data, str_test)
assert_equal(result.msg, "abate")
def test_str_unicode():
str_test = [("msg", b.string(5))]
data = bytearray([104, 101, 108, 108, 111])
result = b.parse(data, str_test)
assert result.msg == "hello"
assert b.write(result, str_test) == data
result.msg = "abate"
output_data = b.write(result, str_test)
edited_result = b.parse(output_data, str_test)
assert result.msg == "abate"
def test_str_unicode():
str_test = [("msg", b.string(5))]
data = bytearray([104, 101, 108, 108, 111])
result = b.parse(data, str_test)
assert_equal(result.msg.decode('utf-8'), "hello")
assert_equal(b.write(result, str_test), data)
result.msg = "abate"
output_data = b.write(result, str_test)
edited_result = b.parse(output_data, str_test)
assert_equal(result.msg, "abate")
def test_new():
format_spec = [("greeting", b.string(5)),
("age", b.nibble)]
empty_struct = b.new(format_spec)
assert_equal(len(empty_struct), 8 * 5 + 4)
assert_equal(empty_struct.greeting, b'\x00\x00\x00\x00\x00')
assert_equal(empty_struct.age, 0)
empty_struct.greeting = 'hello'
empty_struct.age = 0xb
output_bytes = b.write(empty_struct)
assert_equal(output_bytes, bytearray([0x68, 0x65, 0x6c, 0x6c, 0x6f, 0xb0]))
def test_read_and_write_prefix():
lsdsng_preamble = [
("name", b.string(8)),
("version", b.byte)
]
data = 'hellomon'.encode('utf-8')
data += bytearray([10, 20, 30, 40, 50])
parsed = b.parse(data, lsdsng_preamble)
assert_equal(len(parsed), 9 * 8)
output_bytes = b.write(parsed)
assert_equal(len(output_bytes), 9)
import bread as b
import sys
def hex_array(x):
return str(map(hex, x))
nsf_header = [
('magic_number', b.array(5, b.byte),
{"str_format": hex_array}),
('version', b.byte),
('total_songs', b.byte),
('starting_song', b.byte),
('load_addr', b.uint16, {"str_format": hex}),
('init_addr', b.uint16, {"str_format": hex}),
('play_addr', b.uint16, {"str_format": hex}),
('title', b.string(32)),
('artist', b.string(32)),
('copyright', b.string(32)),
('ntsc_speed', b.uint16),
('bankswitch_init', b.array(8, b.byte), {"str_format": hex_array}),
('pal_speed', b.uint16),
('ntsc', b.boolean),
('pal', b.boolean),
('ntsc_and_pal', b.boolean),
(b.padding(6)),
('vrc6', b.boolean),
('vrc7', b.boolean),
('fds', b.boolean),
('mmc5', b.boolean),
('namco_106', b.boolean),
('fme07', b.boolean),
'offset': -7
}) # Range from -7 to 7
]
raw_voice = [('operators', b.array(6, raw_operator)),
('pitch_eg_rates', b.array(4, b.uint8)),
('pitch_eg_levels', b.array(4, b.uint8)),
('algorithm', b.uint8, {
'offset': 1
}), ('feedback', b.uint8), ('oscillator_sync', b.uint8),
('lfo_speed', b.uint8), ('lfo_delay', b.uint8),
('lfo_pitch_mod_depth', b.uint8), ('lfo_amp_mod_depth', b.uint8),
('lfo_sync', b.uint8),
('lfo_waveform', b.enum(8, enums['waveforms'])),
('pitch_mod_sensitivity', b.uint8), ('transpose', b.uint8),
('name', b.string(10, NAME_ENCODING))]
compressed_operator = [
('eg_rates', b.array(4, b.uint8)),
('eg_levels', b.array(4, b.uint8)),
('keyboard_level_scaling_break_point', b.uint8), # C3 = 0x27
('keyboard_level_scaling_left_depth', b.uint8),
('keyboard_level_scaling_right_depth', b.uint8),
b.padding(4),
# Byte 11
('keyboard_level_scaling_right_curve', b.enum(2, enums['curves'])),
('keyboard_level_scaling_left_curve', b.enum(2, enums['curves'])),
# Byte 12
b.padding(1),
('osc_detune', b.intX(4), {
'offset': -7
import bread as b
import sys
def hex_array(x):
return str(map(hex, x))
nsf_header = [('magic_number', b.array(5, b.byte), {
"str_format": hex_array
}), ('version', b.byte), ('total_songs', b.byte), ('starting_song', b.byte),
('load_addr', b.uint16, {
"str_format": hex
}), ('init_addr', b.uint16, {
"str_format": hex
}), ('play_addr', b.uint16, {
"str_format": hex
}), ('title', b.string(32)), ('artist', b.string(32)),
('copyright', b.string(32)), ('ntsc_speed', b.uint16),
('bankswitch_init', b.array(8, b.byte), {
"str_format": hex_array
}), ('pal_speed', b.uint16), ('ntsc', b.boolean),
('pal', b.boolean), ('ntsc_and_pal', b.boolean), (b.padding(6)),
('vrc6', b.boolean), ('vrc7', b.boolean), ('fds', b.boolean),
('mmc5', b.boolean), ('namco_106', b.boolean),
('fme07', b.boolean), (b.padding(2)), (b.padding(32))]
with open(sys.argv[1], 'r') as fp:
header = b.parse(fp, nsf_header)
print header
import bread as b
from .vendor.six.moves import range
def padded_hex(pad_count):
return lambda x: ("0x%%0%dx" % (pad_count)) % (x)
EMPTY_BLOCK = 0xff
# File management structure (starts at 0x8000)
compressed_sav_file = [
# Up to 32 files (songs) can be saved to one cartridge
("filenames", b.array(32, b.string(8))),
# Each file has a monotonically increasing version number
("file_versions", b.array(32, b.byte)),
b.padding(30 * 8),
("sram_init_check", b.string(2)), # set to 'jk' on init
# The file that is currently active
("active_file", b.byte),
# Table mapping blocks to files.
("block_alloc_table", b.array(191, b.byte))
]
# Should be 0x4000 bytes long
sample_kit = [
("magic_number", b.string(2)), # should be 0x60, 0x40
# The address of the first byte after each sample, or 0 if the sample is
# unused
("sample_end_addresses", b.array(15, b.string(2))),
b.padding(2 * 8),
# For samples with names less than three characters long, sample names are
with open(path, 'w') as f:
f.write(x)
def hex_array(x):
return str(map(hex, x))
nsf_head_spec = \
[ ('magic_number', b.array(5, b.byte), {"str_format": hex_array})
, ('version', b.byte)
, ('total_songs', b.byte)
, ('starting_song', b.byte)
, ('load_addr', b.uint16, {"str_format": hex})
, ('init_addr', b.uint16, {"str_format": hex})
, ('play_addr', b.uint16, {"str_format": hex})
, ('title', b.string(32))
, ('artist', b.string(32))
, ('copyright', b.string(32))
, ('ntsc_speed', b.uint16)
, ('bankswitch_init', b.array(8, b.byte), {"str_format": hex_array})
, ('pal_speed', b.uint16)
, ('tv_std', b.boolean, {"str_format": lambda x: "PAL" if x else "NTSC"})
, ('ntsc_and_pal', b.boolean)
, (b.padding(6))
, ('vrc6', b.boolean)
, ('vrc7', b.boolean)
, ('fds', b.boolean)
, ('mmc5', b.boolean)
, ('namco_106', b.boolean)
, ('fme07', b.boolean)
, (b.padding(2))
import bread as b
from .vendor.six.moves import range
def padded_hex(pad_count):
return lambda x: ("0x%%0%dx" % (pad_count)) % (x)
EMPTY_BLOCK = 0xff
# File management structure (starts at 0x8000)
compressed_sav_file = [
# Up to 32 files (songs) can be saved to one cartridge
("filenames", b.array(32, b.string(8))),
# Each file has a monotonically increasing version number
("file_versions", b.array(32, b.byte)),
b.padding(30 * 8),
("sram_init_check", b.string(2)), # set to 'jk' on init
# The file that is currently active
("active_file", b.byte),
# Table mapping blocks to files.
("block_alloc_table", b.array(191, b.byte))
]
# Should be 0x4000 bytes long
sample_kit = [
("magic_number", b.string(2)), # should be 0x60, 0x40
# The address of the first byte after each sample, or 0 if the sample is
# unused
("sample_end_addresses", b.array(15, b.string(2))),
import bread as b
from .vendor.six.moves import range
def padded_hex(pad_count):
return lambda x: ("0x%%0%dx" % (pad_count)) % (x)
EMPTY_BLOCK = 0xff
# File management structure (starts at 0x8000)
compressed_sav_file = [
# Up to 32 files (songs) can be saved to one cartridge
("filenames", b.array(32, b.string(8))),
# Each file has a monotonically increasing version number
("file_versions", b.array(32, b.byte)),
b.padding(30 * 8),
("sram_init_check", b.string(2)), # set to 'jk' on init
# The file that is currently active
("active_file", b.byte),
# Table mapping blocks to files.
("block_alloc_table", b.array(191, b.byte))
]
# Should be 0x4000 bytes long
sample_kit = [
("magic_number", b.string(2)), # should be 0x60, 0x40
# The address of the first byte after each sample, or 0 if the sample is
# unused
("sample_end_addresses", b.array(15, b.string(2))),
b.padding(2 * 8),
# For samples with names less than three characters long, sample names are