mirror of
https://gitlab.com/xCrystal/pokecrystal-board.git
synced 2024-11-16 11:27:33 -08:00
almost complete new disassembler version
This commit is contained in:
Bryan Bishop
parent
0768fead4f
commit
7dd0c86a6b
@ -559,7 +559,6 @@ def load_labels(filename="labels.json"):
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all_labels = json.loads(open(filename, "r").read())
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else:
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print "You must run analyze_incbins.scan_for_predefined_labels() to create \"labels.json\"."
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load_labels()
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def find_label(local_address, bank_id=0):
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return None
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@ -827,5 +826,6 @@ def all_outstanding_labels_are_reverse(byte_labels, offset):
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return True
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if __name__ == "__main__":
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load_labels()
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load_rom()
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print output_bank_opcodes(int(sys.argv[1], 16))[0]
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178
extras/romstr.py
178
extras/romstr.py
@ -1,17 +1,43 @@
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from gbz80disasm import opt_table, end_08_scripts_with, relative_jumps, relative_unconditional_jumps, call_commands
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class RomStr(str):
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""" Simple wrapper to prevent a giant rom from being shown on screen
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""" Simple wrapper to prevent a giant rom from being shown on screen.
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"""
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def length(self):
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"""len(self)"""
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return len(self)
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def __repr__(self):
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""" Simplifies this object so that the output doesn't overflow stdout.
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"""
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return "RomStr(too long)"
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@classmethod
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def load(cls, crystal=True, red=False):
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""" Loads a ROM into a RomStr.
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"""
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if crystal and not red:
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file_handler = open("../baserom.gbc", "r")
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elif red and not crystal:
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file_handler = open("../pokered-baserom.gbc", "r")
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else:
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raise Exception, "not sure which rom to load?"
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bytes = file_handler.read()
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file_handler.close()
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return RomStr(bytes)
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def length(self):
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""" len(self)
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"""
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return len(self)
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def len(self):
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""" len(self)
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"""
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return self.length()
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def interval(self, offset, length, strings=True, debug=True):
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"""returns hex values for the rom starting at offset until offset+length"""
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returnable = []
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""" returns hex values for the rom starting at offset until
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offset+length
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"""
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returnable = []
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for byte in self[offset:offset+length]:
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if strings:
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returnable.append(hex(ord(byte)))
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@ -20,16 +46,148 @@ class RomStr(str):
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return returnable
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def until(self, offset, byte, strings=True, debug=False):
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"""returns hex values from rom starting at offset until the given byte"""
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""" Returns hex values from rom starting at offset until the given
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byte.
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"""
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return self.interval(offset, self.find(chr(byte), offset) - offset, strings=strings)
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def to_asm(self, address, end_address=None, size=None, max_size=0x4000, debug=None):
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""" Disassembles ASM at some address. This will stop disassembling when
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either the end_address or size is met. Also, there's a maximum size
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that will be parsed, so that large patches of data aren't parsed as
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code.
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"""
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start_address = address
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if start_address == None:
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raise Exception, "address must be given"
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if debug == None:
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if not hasattr(self, "debug"):
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debug = False
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else:
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debug = self.debug
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# this is probably a terrible idea.. why am i doing this?
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if size != None and max_size < size:
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raise Exception, "max_size must be greater than or equal to size"
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elif end_address != None and (end_address - start_address) > max_size:
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raise Exception, "end_address is out of bounds"
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elif end_address != None and size != None:
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if (end_address - start_address) >= size:
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size = end_address - start_address
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else:
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end_address = start_address + size
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elif end_address == None and size != None:
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end_address = start_address + size
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elif end_address != None and size == None:
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size = end_address - start_address
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return Asm(start_address=start_address, end_address=end_address, size=size, max_size=max_size, debug=debug, rom=self)
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class Asm:
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""" z80 disassembler
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"""
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def __init__(self, start_address=None, end_address=None, size=None, max_size=0x4000, debug=True, rom=None):
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assert start_address != None, "start_address must be given"
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if rom == None:
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file_handler = open("../baserom.gbc", "r")
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bytes = file_handler.read()
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file_handler.close()
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rom = RomStr(bytes)
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if debug not in [None, True, False]:
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raise Exception, "debug param is invalid"
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if debug == None:
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debug = False
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# get end_address and size in sync with each other
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if end_address == None and size != None:
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end_address = start_address + size
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elif end_address != None and size == None:
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size = end_address - start_address
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elif end_address != None and size != None:
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size = max(end_address - start_address, size)
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end_address = start_address + size
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# check that the bounds make sense
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if end_address != None:
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if end_address <= start_address:
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raise Exception, "end_address is out of bounds"
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elif (end_address - start_address) > max_size:
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raise Exception, "end_address goes beyond max_size"
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# check more edge cases
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if not start_address >= 0:
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raise Exception, "start_address must be at least 0"
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elif not end_address >= 0:
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raise Exception, "end_address must be at least 0"
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self.rom = rom
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self.start_address = start_address
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self.end_address = end_address
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self.size = size
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self.max_size = max_size
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self.debug = debug
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self.parse()
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def parse(self):
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""" Disassembles stuff and things.
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"""
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rom = self.rom
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start_address = self.start_address
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end_address = self.end_address
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max_size = self.max_size
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debug = self.debug
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bank_id = start_address / 0x4000
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# [{"command": 0x20, "bytes": [0x20, 0x40, 0x50],
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# "asm": "jp $5040", "label": "Unknown5040"}]
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asm_commands = []
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offset = start_address
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current_byte_number = 0
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last_hl_address = None
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last_a_address = None
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used_3d97 = False
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keep_reading = True
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# for labeling future bytes (like for relative jumps)
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byte_labels = {}
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while offset <= end_address and keep_reading:
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current_byte = ord(rom[offset])
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is_data = False
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maybe_byte = current_byte
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# stuff...
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raise NotImplementedError, "o_______o"
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def __str__(self):
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""" ASM pretty printer.
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"""
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raise NotImplementedError, "zzzzzz"
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class AsmList(list):
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"""simple wrapper to prevent all asm lines from being shown on screen"""
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""" Simple wrapper to prevent all asm lines from being shown on screen.
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"""
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def length(self):
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"""len(self)"""
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""" len(self)
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"""
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return len(self)
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def __repr__(self):
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""" Simplifies this object so that the output doesn't overflow stdout.
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"""
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return "AsmList(too long)"
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