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ipr_decomp.py
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ipr_decomp.py
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from listing import Line, Listing
class IPRDecomp:
# noinspection SpellCheckingInspection
io_host = {
0: 'PBMAX',
1: 'PBPOS',
2: 'PIN_TEST_WINDOW',
3: 'PIN_TEST_RESULT',
4: 'TAB_COUNT',
10: 'USB',
11: 'USB_WAIT',
12: 'USB16',
13: 'USB16_WAIT',
14: 'USB32',
15: 'USB32_WAIT',
33: 'WINDOW',
34: 'FAST_TIMER',
65: 'ESIZE1',
66: 'ESIZE2',
67: 'ESIZE3',
68: 'FILEEXISTS',
69: 'SW_VERSION',
70: 'DEVICE_SERIAL',
71: 'OPEN_FILE_DIALOG',
72: 'SAVE_FILE_DIALOG',
254: 'WRITE_ENABLE',
}
# noinspection SpellCheckingInspection
io_device = {
0: 'PORTA',
1: 'PORTB',
2: 'PORTC',
3: 'PORTD',
4: 'PORTE',
5: 'TIMER',
6: 'UART_DATA',
7: ('VM_ID', 'UART_CR'), # in / out
8: 'UART_MR',
9: 'UART_BRGR',
10: 'USB',
11: 'USB_WAIT',
12: 'USB16',
13: 'USB16_WAIT',
14: 'USB32',
15: 'USB32_WAIT',
16: 'POWER',
17: 'SPI_CR',
18: 'SPI_DATA32',
19: 'SPI_DATA8',
20: 'ADC_CR',
21: 'ADC_SR',
22: 'ADC_DATA0',
23: 'ADC_DATA1',
24: ('ADC_DATA2', 'I2C_PINS'), # in / out
25: 'ADC_DATA3',
26: 'IDLE_ENABLE',
27: 'TIMER2',
28: 'PWM0',
29: 'PWM1',
30: 'PWM2',
31: 'IRQ_FLAG',
32: 'IRQ_ENABLE',
# 33: '???',
34: 'FAST_TIMER',
35: 'CAPT_VALUE',
36: 'CAPT_CLOCK',
37: ('CAPT_VALUE2', 'TIMER_ENABLE'),
38: 'SPI_DATA16',
39: 'SPI_DATA24',
40: ('RANDOM', 'CAPT_MODE'),
41: 'CAPT_TIMER',
42: 'FAST_TIMER_CLOCK',
50: 'CAPT_INTERVAL0',
51: 'CAPT_INTERVAL1',
52: 'CAPT_INTERVAL2',
53: 'CAPT_INTERVAL3',
54: 'CAPT_INTERVAL4',
55: 'CAPT_INTERVAL5',
56: 'CAPT_INTERVAL6',
57: 'CAPT_INTERVAL7',
58: 'CAPT_INTERVAL8',
59: 'CAPT_INTERVAL9',
60: 'BDM_ENABLE',
61: 'BDM_TIMES',
62: 'BDM_DATA_8',
63: 'BDM_DATA_16',
64: 'BDM_DATA_32',
65: 'I2C_DATA',
66: 'ESPI_CONFIG',
67: 'ESPI_DATA8',
68: 'ESPI_DATA16',
69: 'ESPI_DATA32',
70: 'I2C_DATA_ACK',
71: 'I2C_ACK',
72: ('DDEVICE_SERIAL', 'PWM0_RUN'),
73: 'PWM0_PULSE',
74: 'PULSE_35080',
75: 'PORTA_PULSE',
76: 'PWM_PULSE',
77: 'SOUND',
253: 'USB_INT',
254: 'WRITE_ENABLE', # ???
255: 'SERIAL',
# 21: 'BDM_SYNC_PULSE',
# 22: 'BDM_CLOCK',
# 23: 'BDM_MULT',
# 28: 'SPI_CSR',
# 29: 'DBG1',
# 30: 'DBG2',
# 54: 'PULSE2_35080',
# 64: 'BDM_SYNC',
# 71: 'ER35080',
# 77: 'PWM_DIRECT',
}
patterns = []
@classmethod
def reg_pattern(cls, func):
cls.patterns.append(func)
def __init__(self, listing: Listing):
self.listing = listing
self.listing.dis.presets['global'] = {'emem': [], 'string': []}
self.line_first = None
self.pad = 0
self.tmp_str = None
self.last_r15 = []
def get_ui(self, ui_id):
ui = self.listing.dis.presets.get('ui')
control = ui and ui.get(ui_id)
return control or f'unknown_{ui_id}'
def tmp_str_clear(self):
self.tmp_str = None
def tmp_str_append(self, s):
self.tmp_str = s if self.tmp_str is None else f'{self.tmp_str} + {s}'
def tmp_str_get(self):
return "" if self.tmp_str is None else self.tmp_str
def add_global_str(self, str_idx):
if str_idx not in self.listing.dis.presets['global']['string']:
self.listing.dis.presets['global']['string'].append(str_idx)
def set_comment(self, line: Line, comment):
padding = ' ' * self.pad * 4
line.set_comment(padding + comment)
def get_io_name(self, io_id, output):
io_names = self.io_host if self.listing.dis.is_host() else self.io_device
if io_id in io_names:
io = io_names[io_id]
return io if isinstance(io, str) else io[output]
else:
return f'IO_{io_id}'
def set_device_label(self, ea, name, comment=None):
if 'device_labels' in self.listing.dis.presets:
self.listing.dis.presets['device_labels'].append((ea, name, comment))
def get_emem_label(self, emem_id):
emem_var = {0: 'buf0', 1: 'buf1', 2: 'sel0', 3: 'sel1', 4: 'data'}.get(emem_id, f'emem{emem_id}')
emem = (emem_var, emem_id)
if emem not in self.listing.dis.presets['global']['emem']:
self.listing.dis.presets['global']['emem'].append(emem)
return emem_var
@staticmethod
def is_reg_preserved(lines, reg, before_line):
check_list = []
if lines and before_line:
line = lines[-1].next()
while line < before_line:
check_list.append(line)
line = line.next()
for line in check_list:
if line.instruction in ('JMP', 'CALL', 'RET', 'SYS', 'DCALL') or \
line.instruction[:3] == "CMP" or \
line.instruction[:1] == "J" or \
line.instruction[:3] == "CPI" or \
(len(line.args) > 1 and line.arg_str(0) == reg):
return False
return True
def decompile(self, ea: int):
if '?' in self.listing.flags(ea):
# skip bad functions
return
self.line_first = self.listing.line(ea)
self.pad = 0
self.tmp_str_clear()
self.last_r15 = []
line = self.line_first
while True:
if 'P' in line.flags and line != self.line_first: # конец ф-ии
break
next_line = None
for p in self.patterns:
next_line = p(self, line)
if next_line:
line = next_line
break
if next_line is None:
# next line
line = line.next()
def post(self):
# emem
emem = self.listing.dis.presets['global']['emem']
if emem:
emem = sorted(emem, key=lambda b: b[1])
emem_vars = ', '.join(f'{e}={i}' for e, i in emem)
self.listing.glob.append(f'emem {emem_vars};')
self.listing.glob.append('')
# string
s = self.listing.dis.presets['global']['string']
if s:
str_vars = ', '.join(f'str{i}' for i in range(max(s) + 1))
self.listing.glob.append(f'string {str_vars};')
self.listing.glob.append('')
pat = IPRDecomp.reg_pattern
@pat
def _proc(d: IPRDecomp, line: Line):
"""
begin proc
"""
if line.instruction == 'PUSHR':
line2 = line.next()
if line2.instruction == 'ENTER':
v = ', '.join([f'R{a}' for a in range(line2.arg(0))])
d.set_comment(line, f'proc {line.name}({v}) {{')
# Typically the last one or two registers are used as an unnamed variable.
v = ', '.join([f'R{a + line2.arg(0)}' for a in range(line2.arg(1) - line2.arg(0) - 1)])
if v:
d.set_comment(line2, f'var {v};\n')
else:
d.set_comment(line2, f'\n')
return line2.next()
@pat
def _for1(d: IPRDecomp, line: Line):
"""
for((const)_init_;(const)_cond_;_incr_) {} instruction
"""
if line.instruction in ('LDB', 'LDW', 'LDD'):
line2 = line.next()
if line2.instruction in ('LDB', 'LDW', 'LDD'):
line3 = line2.next()
if line3.instruction[:4] == 'CMPJ' and line3.arg(0) == line.arg(0) and line3.arg(1) == line2.arg(0):
ncond = {'E': '!=', 'NE': '=', 'GE': '<', 'LE': '>', 'L': '>=', 'G': '<='}.get(
line3.instruction[4:], '??')
if line2.name:
d.set_comment(line3, f'for ({line.arg_str(0)} = {line.arg_str(1)}; '
f'{line.arg_str(0)} {ncond} {line2.arg_str(1)}; _incr_) {{')
d.set_comment(line, '_init_')
d.set_comment(line2, '_cond_')
else:
d.set_comment(line3, f'if ({line3.arg_str(0)} {ncond} {line3.arg_str(1)}) {{')
return line3.next()
linee = line3.next()
lineincr = None
while 'P' not in linee.flags:
if linee.instruction == 'JMP' and linee.arg(0) == line2.ea and linee.next().ea == line3.arg(2):
if lineincr is not None:
d.set_comment(lineincr, '_incr_')
d.set_comment(linee, '} // for')
break
elif linee.instruction == 'JMP' and linee.arg(0) == line2.ea:
d.set_comment(linee, ' continue;')
elif linee.instruction == 'JMP' and linee.arg(0) == line3.arg(2):
d.set_comment(linee, ' break;')
lineincr = linee
linee = linee.next()
return line3.next()
@pat
def _for2(d: IPRDecomp, line: Line):
"""
for((const)_init_;(var)_cond_;_incr_) {} instruction
"""
if line.instruction in ('LDB', 'LDW', 'LDD'):
line2 = line.next()
if line2.instruction[:4] == 'CMPJ' and line2.arg(0) == line.arg(0):
ncond = {'E': '!=', 'NE': '=', 'GE': '<', 'LE': '>', 'L': '>=', 'G': '<='}.get(line2.instruction[4:], '??')
if line2.name:
d.set_comment(line2, f'for ({line.arg_str(0)} = {line.arg_str(1)}; '
f'{line2.arg_str(0)} {ncond} {line2.arg_str(1)}; _incr_) {{')
d.set_comment(line, '_init_')
else:
d.set_comment(line2, f'if ({line2.arg_str(0)} {ncond} {line2.arg_str(1)}) {{')
return line2.next()
linee = line2.next()
lineincr = None
while 'P' not in linee.flags:
if linee.instruction == 'JMP' and linee.arg(0) == line2.ea and linee.next().ea == line2.arg(2):
if lineincr is not None:
d.set_comment(lineincr, '_incr_')
d.set_comment(linee, '} // for')
break
elif linee.instruction == 'JMP' and linee.arg(0) == line2.ea:
d.set_comment(linee, ' continue;')
elif linee.instruction == 'JMP' and linee.arg(0) == line2.arg(2):
d.set_comment(linee, ' break;')
lineincr = linee
linee = linee.next()
return line2.next()
@pat
def _while(d: IPRDecomp, line: Line):
"""
while(_cond_) ...
"""
if line.instruction in ('LDB', 'LDW', 'LDD'):
line2 = line.next()
if line2.instruction[:4] == 'CMPJ' and line2.arg(1) == line.arg(0):
ncond = {'E': '!=', 'NE': '=', 'GE': '<', 'LE': '>', 'L': '>=', 'G': '<='}.get(line2.instruction[4:], '??')
linee = d.listing.line(line2.arg(2)-3) # JMP xxxx = 3bytes
if linee.instruction == 'JMP' and linee.arg(0) == line.ea:
d.set_comment(line, '')
d.set_comment(line2, f'while ({line2.arg_str(0)} {ncond} {line.arg_str(1)}) {{')
d.set_comment(linee, '} // while')
line_ = line2.next()
while line_ < linee:
if line_.instruction == 'JMP':
if line_.arg(0) == line.ea:
d.set_comment(line_, ' continue;')
elif line_.arg(0) == line2.arg(2):
d.set_comment(line_, ' break;')
line_ = line_.next()
return line2.next()
@pat
def _if(d: IPRDecomp, line: Line):
"""
if
"""
if line.instruction[:4] == 'CMPJ':
ncond = {'E': '!=', 'NE': '=', 'GE': '<', 'LE': '>', 'L': '>=', 'G': '<='}.get(line.instruction[4:], '??')
d.set_comment(line, f'if ({line.arg_str(0)} {ncond} {line.arg_str(1)}) {{')
return line.next()
if line.instruction[:4] == 'CPIJ':
ncond = {'E': '!=', 'NE': '='}.get(line.instruction[4:], '??')
d.set_comment(line, f'if ({line.arg_str(0)} {ncond} {line.arg_str(1)}) {{')
return line.next()
if line.instruction == 'JZ':
d.set_comment(line, f'if ({line.arg_str(0)}) {{')
return line.next()
if line.instruction == 'JNZ':
d.set_comment(line, f'if ({line.arg_str(0)} = 0) {{')
return line.next()
if line.instruction == 'JBRC':
d.set_comment(line, f'if ({line.arg_str(0)} & 0x{1 << line.arg(1):02x}) {{')
return line.next()
if line.instruction == 'JBRS':
d.set_comment(line, f'if (({line.arg_str(0)} & 0x{1 << line.arg(1):02x}) = 0) {{')
return line.next()
@pat
def _in(d: IPRDecomp, line: Line):
"""
var = IO
"""
if line.instruction == 'IN':
r = line.arg_str(0)
a = line.arg(1)
io = d.get_io_name(a, False)
d.set_comment(line, f'{r} = {io};')
return line.next()
@pat
def _out(d: IPRDecomp, line: Line):
"""
IO = var|cons
"""
if line.instruction == 'OUT':
a = line.arg(0)
r = line.arg_str(1)
io = d.get_io_name(a, True)
d.set_comment(line, f'{io} = {r};\n')
return line.next()
@pat
def _out_or(d: IPRDecomp, line: Line):
"""
IO |= const
"""
if line.instruction == 'ORPI':
a = line.arg(0)
io = d.get_io_name(a, True)
r = line.arg(1)
d.set_comment(line, f'{io} |= 0x{r:x};')
return line.next()
@pat
def _out_and_not(d: IPRDecomp, line: Line):
"""
IO &= const ^ 255
"""
if line.instruction == 'ANDPI':
a = line.arg(0)
io = d.get_io_name(a, True)
r = line.arg(1)
d.set_comment(line, f'{io} &= 0x{r ^ 255:x} ^ 255;')
return line.next()
@pat
def _if_in(d: IPRDecomp, line: Line):
"""
if (IO = 0) {
"""
if line.instruction == 'JNZIO':
a = line.arg(0)
io = d.get_io_name(a, False)
d.set_comment(line, f'if ({io} = 0) {{\n')
return line.next()
# if line.instruction == 'JZIO':
# a = line.arg(0)
# io = d.get_io_name(a, False)
# d.set_comment(line, f'if ({io}) {{\n')
# return line.next()
@pat
def _sys_0(d: IPRDecomp, line: Line):
"""
SYS 0 -> clear temp string
"""
if line.instruction == 'SYS' and line.arg(0) == 0:
d.set_comment(line, '// TMP = ""')
d.tmp_str_clear()
return line.next()
@pat
def _sys_2(d: IPRDecomp, line: Line):
"""
SYS 2 -> global str = temp string
"""
if line.instruction == 'LDB' and line.arg_str(0) == 'R15':
line2 = line.next()
if line2.instruction == 'SYS' and line2.arg(0) == 2:
d.set_comment(line, '')
s = d.tmp_str_get()
d.set_comment(line2, f'str{line.arg(1)} = {s}; // str{line.arg(1)} = TMP\n')
d.add_global_str(line.arg(1))
return line.next()
@pat
def _sys_13_host(d: IPRDecomp, line: Line):
"""
$HOST
SYS 13 -> put global str to temp string
"""
if line.instruction == 'LDB' and line.arg_str(0) == 'R15':
line2 = line.next()
if line2.instruction == 'SYS' and line2.arg(0) == 13:
s = f'str{line.arg(1)}'
d.tmp_str_append(s)
d.set_comment(line, '')
d.set_comment(line2, f'// TMP += {s}')
d.add_global_str(line.arg(1))
return line.next()
@pat
def _sys_13_device(d: IPRDecomp, line: Line):
"""
$DEVICE
SYS 13 -> STREAMPIN = PORT[ABD].bit
"""
if line.instruction == 'LDW' and line.arg_str(0) == 'R15':
line2 = line.next()
if line2.instruction == 'SYS' and line2.arg(0) == 13:
port = 'PORT' + chr(ord('A') + (line.arg(1) >> 8))
bit_number = len(bin(line.arg(1) & 0xFF)) - 3
d.set_comment(line, '')
d.set_comment(line2, f'STREAMPIN = {port}.{bit_number};')
return line2.next()
@pat
def _sys_3(d: IPRDecomp, line: Line):
"""
SYS 3 -> put int into temp string
"""
# local int
if line.instruction == 'MOV' and line.arg_str(0) == 'R15':
line2 = line.next()
if line2.instruction == 'SYS' and line2.arg(0) == 3:
v = line.arg_str(1)
s = f'#i.{v}'
d.tmp_str_append(s)
d.set_comment(line, '')
d.set_comment(line2, f'// TMP += {s}')
return line2.next()
# const int
if line.instruction in ('LDB', 'LDW', 'LDD') and line.arg_str(0) == 'R15':
line2 = line.next()
if line2.instruction == 'SYS' and line2.arg(0) == 3:
v = line.arg(1)
s = f'#i.{v}'
d.tmp_str_append(s)
d.set_comment(line, '')
d.set_comment(line2, f'// TMP += {s}')
return line2.next()
# global int
if line.instruction in ('LDMB', 'LDMW', 'LDMD') and line.arg_str(0) == 'R15':
line2 = line.next()
if line2.instruction == 'SYS' and line2.arg(0) == 3:
v = line.arg_str(1)
s = f'#i.{v}'
d.tmp_str_append(s)
d.set_comment(line, '')
d.set_comment(line2, f'// TMP += {s}')
return line2.next()
@pat
def _sys_4(d: IPRDecomp, line: Line):
"""
SYS 4 -> put char into temp string
"""
# local char
if line.instruction == 'MOV' and line.arg_str(0) == 'R15':
line2 = line.next()
if line2.instruction == 'SYS' and line2.arg(0) == 4:
v = line.arg_str(1)
s = f'#c.{v}'
d.tmp_str_append(s)
d.set_comment(line, '')
d.set_comment(line2, f'// TMP += {s}')
return line2.next()
# const char
if line.instruction in ('LDB', 'LDW', 'LDD') and line.arg_str(0) == 'R15':
line2 = line.next()
if line2.instruction == 'SYS' and line2.arg(0) == 4:
v = line.arg(1)
s = f'#c.{v}'
d.tmp_str_append(s)
d.set_comment(line, '')
d.set_comment(line2, f'// TMP += {s}')
return line2.next()
# global char
if line.instruction in ('LDMB', 'LDMW', 'LDMD') and line.arg_str(0) == 'R15':
line2 = line.next()
if line2.instruction == 'SYS' and line2.arg(0) == 4:
v = line.arg_str(1)
s = f'#c.{v}'
d.tmp_str_append(s)
d.set_comment(line, '')
d.set_comment(line2, f'// TMP += {s}')
return line2.next()
@pat
def _sys_5_6_7_8(d: IPRDecomp, line: Line):
"""
SYS [5,6,7,8] - > put hex into temp string
"""
# local hex
if line.instruction == 'MOV' and line.arg_str(0) == 'R15':
line2 = line.next()
if line2.instruction == 'SYS' and line2.arg(0) in (5, 6, 7, 8):
w = line2.arg(0) - 4
v = line.arg_str(1)
s = f'#h{w}.{v}'
d.tmp_str_append(s)
d.set_comment(line, '')
d.set_comment(line2, f'// TMP += {s}')
return line2.next()
# const hex
if line.instruction in ('LDB', 'LDW', 'LDD') and line.arg_str(0) == 'R15':
line2 = line.next()
if line2.instruction == 'SYS' and line2.arg(0) in (5, 6, 7, 8):
w = line2.arg(0) - 4
v = line.arg(1)
s = f'#h{w}.{v}'
d.tmp_str_append(s)
d.set_comment(line, f'// {v} == 0x{v:02x}')
d.set_comment(line2, f'// TMP += {s}')
return line2.next()
# global hex
if line.instruction in ('LDMB', 'LDMW', 'LDMD') and line.arg_str(0) == 'R15':
line2 = line.next()
if line2.instruction == 'SYS' and line2.arg(0) in (5, 6, 7, 8):
w = line2.arg(0) - 4
v = line.arg_str(1)
s = f'#h{w}.{v}'
d.tmp_str_append(s)
d.set_comment(line, '')
d.set_comment(line2, f'// TMP += {s}')
return line2.next()
@pat
def _sys_1(d: IPRDecomp, line: Line):
"""
SYS 1 -> put string into temp string
"""
if line.instruction == 'LDW' and line.arg_str(0) == 'R15':
line2 = line.next()
if line2.instruction == 'SYS' and line2.arg(0) == 1:
str_offset = line.arg(1)
d.listing.set_string0(str_offset)
line.set_arg_type(1, 'o')
s = d.listing.line(str_offset).arg(0)
d.tmp_str_append(s)
d.set_comment(line, '')
d.set_comment(line2, f'// TMP += {s}')
return line2.next()
@pat
def _sys_43(d: IPRDecomp, line: Line):
"""
SYS 43 -> put FILENAME into temp string
"""
if line.instruction == 'SYS' and line.arg(0) == 43:
s = 'FILENAME'
d.tmp_str_append(s)
d.set_comment(line, f'// TMP += {s}')
return line.next()
@pat
def _sys_9(d: IPRDecomp, line: Line):
"""
SYS 9 -> mbox(temp string, NUM)
"""
if line.instruction == 'ORD' and line.arg_str(0) == 'R15':
line2 = line.next()
if line2.instruction == 'SYS' and line2.arg(0) == 9:
a = line.arg(1)
# lo = a & 0xFFFF
hi = a >> 16
s = d.tmp_str_get()
d.set_comment(line, f'// ({hi} << 16)')
d.set_comment(line2, f'R15 = mbox({s}, {hi}); // R15 = mbox(TMP, {hi})\n')
return line2.next()
@pat
def _sys_12(d: IPRDecomp, line: Line):
"""
SYS 12 -> print(temp string)
"""
if line.instruction == 'SYS' and line.arg(0) == 12:
s = d.tmp_str_get()
d.set_comment(line, f'print({s}); // print(TMP)\n')
return line.next()
@pat
def _sys_26(d: IPRDecomp, line: Line):
"""
SYS 26 -> backup(temp string)
"""
if line.instruction == 'SYS' and line.arg(0) == 26:
s = d.tmp_str_get()
d.set_comment(line, f'backup({s}); // backup(TMP)\n')
return line.next()
@pat
def _sys_28(d: IPRDecomp, line: Line):
"""
SYS 28 -> picture_idR15 = temp string
"""
if line.instruction == 'LDB' and line.arg_str(0) == 'R15':
line2 = line.next()
if line2.instruction == 'SYS' and line2.arg(0) == 28:
s = d.tmp_str_get()
c = d.get_ui(line.arg(1))
d.set_comment(line, '')
d.set_comment(line2, f'{c} = {s}; // {c} = TMP\n')
return line2.next()
@pat
def _sys_15_host(d: IPRDecomp, line: Line):
"""
SYS 15 -> control_R15 = temp string
"""
if line.instruction == 'LDB' and line.arg_str(0) == 'R15':
line2 = line.next()
if line2.instruction == 'SYS' and line2.arg(0) == 15:
s = d.tmp_str_get()
c = d.get_ui(line.arg(1))
d.set_comment(line, '')
d.set_comment(line2, f'{c} = {s}; // {c} = TMP\n')
return line2.next()
@pat
def _sys_15_device(d: IPRDecomp, line: Line):
"""
SYS 15 -> StreamOut(R15, R14h, R14l)
"""
# R15
# 1: LDx|MOV|LDMD R15, Rx or const or gvar
#
# R14h
# 2: MOV|LDMx R14, Rx or gvar
# 22: RL R14, 16
# or
# 2: LDD R14, const<<16
#
# R14l
# 3: OR|ORx|ORMx R14 or const
#
# flags (optional)
# 32: ORD R14, 0x40000000
#
# 4: SYS 15
if line.instruction in ('MOV', 'LDB', 'LDW', 'LDD', 'LDMD') and line.arg_str(0) == 'R15':
line2 = line.next()
if line2.instruction in ('MOV', 'LDMB', 'LDMW', 'LDMD', 'LDD') and line2.arg_str(0) == 'R14':
line3 = line2.next()
if line2.instruction != 'LDD' and \
line3.instruction == 'RL' and line3.arg_str(0) == 'R14' and line3.arg(1) == 16:
line22 = line3
line3 = line22.next()
else:
line22 = None
if line3.instruction in ('OR', 'ORB', 'ORW', 'ORD', 'ORMB', 'ORMW', 'ORMD') and line3.arg_str(0) == 'R14':
line4 = line3.next()
if line4.instruction == 'ORD' and line4.arg_str(0) == 'R14' and line4.arg(1) == 0x40000000:
line32 = line4
line4 = line32.next()
else:
line32 = None
if line4.instruction == 'SYS' and line4.arg(0) == 15:
if line32:
d.set_comment(line32, '// R15 is byte array')
if line.instruction != 'MOV':
a0 = line.arg(1)
label = f'b_{a0:04X}' # byte array
d.listing.set_label(a0, label, False)
line.set_arg_type(1, 'o')
a0 = line.arg_str(1)
if line22:
a1 = line2.arg_str(1)
d.set_comment(line2, '')
d.set_comment(line22, '')
else:
a1 = line2.arg(1) >> 16
d.set_comment(line2, f'// {a1} << 16')
a2 = line3.arg_str(1)
d.set_comment(line, '')
d.set_comment(line3, '')
d.set_comment(line4, f'StreamOut({a0}, {a1}, {a2});\n')
return line4.next()
@pat
def _sys_16(d: IPRDecomp, line: Line):
"""
SYS 16 -> (byte|word|dword)device.R14 = R15
"""
if line.instruction in ('MOV', 'LDD') and line.arg_str(0) == 'R15':
line2 = line.next()
if line2.instruction == 'LDW' and line2.arg_str(0) == 'R14':
line3 = line2.next()
if line3.instruction == 'ORD' and line3.arg_str(0) == 'R14':
line4 = line3.next()
if line4.instruction == 'SYS' and line4.arg(0) == 16:
w = line3.arg(1) >> 16
w, pref = {1: ('byte', 'b_'), 2: ('word', 'w_'), 4: ('dword', 'd_')}.get(w, str(w))
dev_label = f'{pref}{line2.arg(1):04X}'
d.set_device_label(line2.arg(1), dev_label)
d.set_comment(line, f'')
d.set_comment(line2, '')
d.set_comment(line3, f'// {line3.arg(1)}:{line2.arg(1)} is {w}:device.{dev_label}')
d.set_comment(line4, f'({w})device.{dev_label} = {line.arg_str(1)};\n')
return line4.next()
# device.any_array[NUM] = any
if line.instruction == 'MOV' and line.arg_str(0) == 'R15':
line2 = line.next()
if line2.instruction == 'LDD' and line2.arg_str(0) == 'R14':
line3 = line2.next()
if line3.instruction == 'RL' and line3.arg_str(0) == 'R14':
w = line3.arg(1)
line4 = line3.next()
else:
w = 0
line4 = line3
line3 = None
if line4.instruction == 'ADDW' and line4.arg_str(0) == 'R14':
line5 = line4.next()
if line5.instruction == 'SYS' and line5.arg(0) == 16:
w, pref = {0: ('byte', 'b_'), 1: ('word', 'w_'), 2: ('dword', 'd_')}.get(w, str(w))
dev_label = f'{pref}{line4.arg(1):04X}'
d.set_device_label(line4.arg(1), dev_label)
d.set_comment(line, '')
d.set_comment(line2, '')
if line3:
d.set_comment(line3, '')
d.set_comment(line4, '')
d.set_comment(line5, f'({w})device.{dev_label}[{line2.arg_str(1)}] = {line.arg_str(1)};\n')
return line5.next()
# device.byte_array[local_var] = any
if line.instruction == 'MOV' and line.arg_str(0) == 'R15':
line2 = line.next()
if line2.instruction == 'LMA' and line2.arg_str(0) == 'R14':
line3 = line2.next()
if line3.instruction == 'SYS' and line3.arg(0) == 16:
w = 'byte'
dev_label = f'b_{line2.arg(2):04X}'
d.set_device_label(line2.arg(2), dev_label)
d.set_comment(line, '')
d.set_comment(line2, '')
d.set_comment(line3, f'({w})device.{dev_label}[{line2.arg_str(1)}] = {line.arg_str(1)};\n')
return line3.next()
# device.byte_array[expression] = any
if line.instruction == 'LMA' and line.arg_str(0) == 'R14':
line2 = line.next()
if line2.instruction == 'SYS' and line2.arg(0) == 16:
w = 'byte'
dev_label = f'b_{line.arg(2):04X}'
d.set_device_label(line.arg(2), dev_label)
d.set_comment(line, '')
d.set_comment(line2, f'({w})device.{dev_label}[{line.arg_str(1)}] = R15;\n')
return line2.next()
# device.word_array|dword_array[local_var] = any
if line.instruction == 'MOV' and line.arg_str(0) == 'R15':
line2 = line.next()
if line2.instruction == 'MOV' and line2.arg_str(0) == 'R14':
line3 = line2.next()
if line3.instruction == 'RL' and line3.arg_str(0) == 'R14':
line4 = line3.next()
if line4.instruction == 'ADDW' and line4.arg_str(0) == 'R14':
line5 = line4.next()
if line5.instruction == 'SYS' and line5.arg(0) == 16:
w = line3.arg(1)
w, pref = {0: ('byte', 'b_'), 1: ('word', 'w_'), 2: ('dword', 'd_')}.get(w, str(w))
dev_label = f'{pref}{line4.arg(1):04X}'
d.set_device_label(line4.arg(1), dev_label)
d.set_comment(line, '')
d.set_comment(line2, '')
d.set_comment(line3, '')
d.set_comment(line4, '')
d.set_comment(line5, f'({w})device.{dev_label}[{line2.arg_str(1)}] = {line.arg_str(1)};\n')
return line5.next()
# device.word_array|dword_array[expression] = any
if line.instruction == 'MOV' and line.arg_str(0) == 'R14':
line2 = line.next()
if line2.instruction == 'RL' and line2.arg_str(0) == 'R14':
line3 = line2.next()
if line3.instruction == 'ADDW' and line3.arg_str(0) == 'R14':
line4 = line3.next()
if line4.instruction == 'SYS' and line4.arg(0) == 16:
w = line2.arg(1)
w, pref = {1: ('word', 'w_'), 2: ('dword', 'd_')}.get(w, str(w))
dev_label = f'{pref}{line3.arg(1):04X}'
d.set_device_label(line3.arg(1), dev_label)
d.set_comment(line, '')
d.set_comment(line2, '')
d.set_comment(line3, '')
d.set_comment(line4, f'({w})device.{dev_label}[{line.arg_str(1)}] = R15;\n')
return line4.next()
@pat
def _sys_17(d: IPRDecomp, line: Line):
"""
SYS 17 -> R15 = device.prc_id_R15low_byte(R15hi_byte args)
"""
if line.instruction == 'LDB' and line.arg_str(0) == 'R15':
line2 = line.next()
if line2.instruction == 'SYS' and line2.arg(0) == 17:
proc_id = line.arg(1)
line3 = line2.next()
if line3.instruction == 'MOV' and line3.arg_str(1) == 'R15':
d.set_comment(line, '')
d.set_comment(line2, '')
d.set_comment(line3, f'{line3.arg_str(0)} = device.prc_id{proc_id}();\n')
return line3.next()
else:
d.set_comment(line, '')
d.set_comment(line2, f'R15 = device.prc_id{proc_id}();\n')
return line2.next()
if line.instruction == 'LDB' and line.arg_str(0) == 'R15':
line2 = line.next()
if line2.instruction == 'ORW' and line2.arg_str(0) == 'R15':
line3 = line2.next()
if line3.instruction == 'SYS' and line3.arg(0) == 17:
a = line2.arg(1)
proc_id = line.arg(1)
n = a >> 8
line4 = line3.next()
if line4.instruction == 'MOV' and line4.arg_str(1) == 'R15':
d.set_comment(line, '')
d.set_comment(line2, '')
d.set_comment(line3, '')
d.set_comment(line4, f'{line4.arg_str(0)} = device.prc_id{proc_id}(<{n} args>);\n')
return line3.next()
else:
d.set_comment(line, '')
d.set_comment(line2, '')
d.set_comment(line3, f'R15 = device.prc_id{proc_id}(<{n} args>);\n')
return line3.next()
@pat
def _sys_18(d: IPRDecomp, line: Line):
"""
SYS 18 -> device.prc_id_R15low_byte(R15hi_byte args)
"""
if line.instruction == 'LDB' and line.arg_str(0) == 'R15':
line2 = line.next()
if line2.instruction == 'SYS' and line2.arg(0) == 18:
d.set_comment(line, '')
d.set_comment(line2, f'device.prc_id{line.arg(1)}();\n')
return line2.next()
if line.instruction == 'LDB' and line.arg_str(0) == 'R15':
line2 = line.next()
if line2.instruction == 'ORW' and line2.arg_str(0) == 'R15':
line3 = line2.next()
if line3.instruction == 'SYS' and line3.arg(0) == 18:
a = line2.arg(1)
proc_id = line.arg(1)
n = a >> 8
d.set_comment(line, f'id {proc_id}')
d.set_comment(line2, f'args {n}')
d.set_comment(line3, f'device.prc_id{proc_id}(<{n} args>);\n')
return line3.next()