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https://github.com/pret/pokemon-reverse-engineering-tools.git
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U-Fish-PC\Daniel
126 lines
4.0 KiB
Python
Executable File
126 lines
4.0 KiB
Python
Executable File
import configuration
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config = configuration.Config()
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rom = bytearray(open(config.rom_path, "r").read())
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banks = {
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0x02: 0x60,
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0x08: 0x78,
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0x1f: 0x68,
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}
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music_commands = {
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0xd0: ["notetype", {"type": "nibble"}, 2],
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0xe0: ["octave", 1],
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0xe8: ["togglecall", 1],
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0xea: ["vibrato", {"type": "byte"}, {"type": "nibble"}, 3],
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0xec: ["duty", {"type": "byte"}, 2],
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0xed: ["tempo", {"type": "byte"}, {"type": "byte"}, 3],
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0xf0: ["stereopanning", {"type": "byte"}, 2],
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0xf8: ["executemusic", 1],
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0xfc: ["dutycycle", {"type": "byte"}, 2],
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0xfe: ["loopchannel", {"type": "byte"}, {"type": "label"}, 4],
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0xff: ["endchannel", 1],
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}
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param_lengths = {
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"nibble": 1,
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"byte": 1,
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"label": 2,
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}
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music_notes = {
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0x0: "C_",
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0x1: "C#",
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0x2: "D_",
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0x3: "D#",
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0x4: "E_",
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0x5: "F_",
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0x6: "F#",
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0x7: "G_",
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0x8: "G#",
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0x9: "A_",
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0xa: "A#",
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0xb: "B_",
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}
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for bank in banks:
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header = bank * 0x4000 + 3
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for sfx in range(1,banks[bank]):
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sfxname = "SFX_{:02x}_{:02x}".format(bank, sfx)
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sfxfile = open("music/sfx/" + sfxname.lower() + ".asm", 'w')
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startingaddress = rom[header + 2] * 0x100 + rom[header + 1] + (0x4000 * (bank - 1))
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end = 0
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curchannel = 1
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lastchannel = (rom[header] >> 6) + 1
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channelnumber = rom[header] % 0x10
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output = ''
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while 1:
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address = startingaddress
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if curchannel != lastchannel:
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end = rom[header + 5] * 0x100 + rom[header + 4] + (0x4000 * (bank - 1))
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byte = rom[address]
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if byte == 0xf8 or (bank == 2 and sfx == 0x5e): executemusic = True
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else: executemusic = False
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output += "{}_Ch{}: ; {:02x} ({:0x}:{:02x})\n".format(sfxname, curchannel, address, bank, address % 0x4000 + 0x4000)
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while 1:
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if address == 0x2062a or address == 0x2063d or address == 0x20930:
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output += "\n{}_branch_{:02x}:\n".format(sfxname, address)
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if byte == 0x10 and not executemusic:
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output += "\tunknownsfx0x{:02x} {}".format(byte, rom[address + 1])
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command_length = 2
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elif byte < 0x30 and not executemusic:
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if channelnumber == 7:
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output += "\tunknownnoise0x20 {}, {}, {}".format(byte % 0x10, rom[address + 1], rom[address + 2])
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command_length = 3
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else:
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output += "\tunknownsfx0x20 {}, {}, {}, {}".format(byte % 0x10, rom[address + 1], rom[address + 2], rom[address + 3])
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command_length = 4
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elif byte < 0xc0:
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output += "\tnote {}, {}".format(music_notes[byte >> 4], byte % 0x10 + 1)
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command_length = 1
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elif byte < 0xd0:
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output += "\trest {}".format(byte % 0x10 + 1)
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command_length = 1
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else:
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if byte < 0xe0:
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command = music_commands[0xd0]
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output += "\t{} {},".format(command[0], byte % 0x10)
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byte = 0xd0
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elif byte < 0xe8:
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command = music_commands[0xe0]
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output += "\t{} {}".format(command[0], 0xe8 - byte)
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byte = 0xe0
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else:
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command = music_commands[byte]
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output += "\t{}".format(command[0])
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command_length = 1
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params = 1
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# print all params for current command
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while params != len(music_commands[byte]) - 1:
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param_type = music_commands[byte][params]["type"]
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address += command_length
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command_length = param_lengths[param_type]
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param = rom[address]
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if param_type == "nibble":
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output += " {}, {}".format(param >> 4, param % 0x10)
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elif param_type == "byte":
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output += " {}".format(param)
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else:
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param += rom[address + 1] * 0x100 - 0x4000 + (bank * 0x4000)
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if param == startingaddress: output += " {}_Ch{}".format(sfxname, curchannel)
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else: output += " {}_branch_{:02x}".format(sfxname, param)
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params += 1
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if params != len(music_commands[byte]) - 1: output += ","
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output += "\n"
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address += command_length
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if byte == 0xff or address == end: break
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byte = rom[address]
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header += 3
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channelnumber = rom[header]
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if curchannel == lastchannel:
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output += "; {}".format(hex(address))
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sfxfile.write(output)
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break
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output += "\n\n"
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startingaddress = address
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curchannel += 1 |