mirror of
https://github.com/coop-deluxe/sm64coopdx.git
synced 2024-11-21 11:35:11 +00:00
749 lines
24 KiB
Python
Executable file
749 lines
24 KiB
Python
Executable file
#!/usr/bin/env python3
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import sys
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commands = {}
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commands['seq'] = {
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# non-arg commands
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0xff: ['end'],
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0xfe: ['delay1'],
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0xfd: ['delay', 'var'],
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0xfc: ['call', 'addr'],
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0xfb: ['jump', 'addr'],
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0xfa: ['beqz', 'addr'],
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0xf9: ['bltz', 'addr'],
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0xf8: ['loop', 'u8'],
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0xf7: ['loopend'],
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0xf5: ['bgez', 'addr'],
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0xf2: ['reservenotes', 'u8'],
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0xf1: ['unreservenotes'],
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0xdf: ['transpose', 's8'],
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0xde: ['transposerel', 's8'],
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0xdd: ['settempo', 'u8'],
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0xdc: ['addtempo', 's8'],
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0xdb: ['setvol', 'u8'],
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0xda: ['changevol', 's8'],
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0xd7: ['initchannels', 'hex16'],
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0xd6: ['disablechannels', 'hex16'],
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0xd5: ['setmutescale', 's8'],
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0xd4: ['mute'],
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0xd3: ['setmutebhv', 'hex8'],
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0xd2: ['setshortnotevelocitytable', 'addr'],
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0xd1: ['setshortnotedurationtable', 'addr'],
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0xd0: ['setnoteallocationpolicy', 'u8'],
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0xcc: ['setval', 'u8'],
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0xc9: ['bitand', 'u8'],
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0xc8: ['subtract', 'u8'],
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# arg commands
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0x00: ['testchdisabled', 'bits:4'],
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0x50: ['subvariation', 'bits:4:ign'],
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0x70: ['setvariation', 'bits:4:ign'],
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0x80: ['getvariation', 'bits:4:ign'],
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0x90: ['startchannel', 'bits:4', 'addr'],
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}
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commands['chan'] = {
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# non-arg commands
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0xff: ['end'],
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0xfe: ['delay1'],
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0xfd: ['delay', 'var'],
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0xfc: ['call', 'addr'],
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0xfb: ['jump', 'addr'],
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0xfa: ['beqz', 'addr'],
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0xf9: ['bltz', 'addr'],
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0xf8: ['loop', 'u8'],
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0xf7: ['loopend'],
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0xf6: ['break'],
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0xf5: ['bgez', 'addr'],
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0xf3: ['hang'],
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0xf2: ['reservenotes', 'u8'],
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0xf1: ['unreservenotes'],
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0xe4: ['dyncall'],
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0xe3: ['setvibratodelay', 'u8'],
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0xe2: ['setvibratoextentlinear', 'u8', 'u8', 'u8'],
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0xe1: ['setvibratoratelinear', 'u8', 'u8', 'u8'],
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0xe0: ['setvolscale', 'u8'],
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0xdf: ['setvol', 'u8'],
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0xde: ['freqscale', 'u16'],
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0xdd: ['setpan', 'u8'],
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0xdc: ['setpanmix', 'u8'],
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0xdb: ['transpose', 's8'],
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0xda: ['setenvelope', 'addr'],
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0xd9: ['setdecayrelease', 'u8'],
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0xd8: ['setvibratoextent', 'u8'],
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0xd7: ['setvibratorate', 'u8'],
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0xd6: ['setupdatesperframe_unimplemented', 'u8'],
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0xd4: ['setreverb', 'u8'],
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0xd3: ['pitchbend', 's8'],
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0xd2: ['setsustain', 'u8'],
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0xd1: ['setnoteallocationpolicy', 'u8'],
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0xd0: ['stereoheadseteffects', 'u8'],
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0xcc: ['setval', 'u8'],
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0xcb: ['readseq', 'addr'],
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0xca: ['setmutebhv', 'hex8'],
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0xc9: ['bitand', 'u8'],
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0xc8: ['subtract', 'u8'],
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0xc7: ['writeseq', 'u8', 'addr'],
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0xc6: ['setbank', 'u8'],
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0xc5: ['dynsetdyntable'],
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0xc4: ['largenoteson'],
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0xc3: ['largenotesoff'],
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0xc2: ['setdyntable', 'addr'],
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0xc1: ['setinstr', 'u8'],
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# arg commands
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0x00: ['testlayerfinished', 'bits:4'],
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0x10: ['startchannel', 'bits:4', 'addr'],
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0x20: ['disablechannel', 'bits:4'],
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0x30: ['iowriteval2', 'bits:4', 'u8'],
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0x40: ['ioreadval2', 'bits:4', 'u8'],
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0x50: ['ioreadvalsub', 'bits:4'],
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0x60: ['setnotepriority', 'bits:4'],
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0x70: ['iowriteval', 'bits:4'],
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0x80: ['ioreadval', 'bits:4'],
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0x90: ['setlayer', 'bits:4', 'addr'],
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0xa0: ['freelayer', 'bits:4'],
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0xb0: ['dynsetlayer', 'bits:4'],
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}
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commands_layer_base = {
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# non-arg commands
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0xc0: ['delay', 'var'],
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0xc1: ['setshortnotevelocity', 'u8'],
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0xc2: ['transpose', 's8'],
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0xc3: ['setshortnotedefaultplaypercentage', 'var'],
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0xc4: ['somethingon'], # ?? (something to do with decay behavior)
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0xc5: ['somethingoff'], # ??
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0xc6: ['setinstr', 'u8'],
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0xc7: ['portamento', 'hex8', 'u8', 'u8'],
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0xc8: ['disableportamento'],
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0xc9: ['setshortnoteduration', 'u8'],
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0xca: ['setpan', 'u8'],
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0xf7: ['loopend'],
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0xf8: ['loop', 'u8'],
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0xfb: ['jump', 'addr'],
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0xfc: ['call', 'addr'],
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0xff: ['end'],
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# arg commands
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0xd0: ['setshortnotevelocityfromtable', 'bits:4'],
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0xe0: ['setshortnotedurationfromtable', 'bits:4'],
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}
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commands['layer_large'] = dict(list(commands_layer_base.items()) + list({
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0x00: ['note0', 'bits:6', 'var', 'u8', 'u8'],
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0x40: ['note1', 'bits:6', 'var', 'u8'],
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0x80: ['note2', 'bits:6', 'u8', 'u8'],
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}.items()))
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commands['layer_small'] = dict(list(commands_layer_base.items()) + list({
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0x00: ['smallnote0', 'bits:6', 'var'],
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0x40: ['smallnote1', 'bits:6'],
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0x80: ['smallnote2', 'bits:6'],
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}.items()))
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sh_chan_overrides = [
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(0x80, ['testlayerfinished', 'bits:3']),
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(0x88, ['setlayer', 'bits:3', 'addr']),
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(0x60, ['ioreadval', 'bits:4']),
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(0x90, ['freelayer', 'bits:4']),
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]
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def valid_cmd_for_nbits(cmd_list, nbits):
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for arg in cmd_list:
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if arg.startswith('bits:'):
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return int(arg.split(':')[1]) == nbits
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return nbits == 0
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print_end_padding = False
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if "--print-end-padding" in sys.argv:
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print_end_padding = True
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sys.argv.remove("--print-end-padding")
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if len(sys.argv) != 2:
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print(f"Usage: {sys.argv[0]} (--emit-asm-macros | input.m64)")
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sys.exit(0)
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if sys.argv[1] == "--emit-asm-macros":
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print("# Macros for disassembled sequence files. This file was automatically generated by seq_decoder.py.")
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print("# To regenerate it, run: ./tools/seq_decoder.py --emit-asm-macros >seq_macros.inc")
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print()
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def print_hword(x):
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print(f" .byte {x} >> 8, {x} & 0xff")
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def emit_cmd(key, op, cmd):
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mn = cmd[0]
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args = cmd[1:]
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param_names = []
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param_list = []
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bits_param_name = None
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for i, arg in enumerate(args):
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param_name = chr(97 + i)
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param_names.append(param_name)
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param_list.append(param_name + ("=0" if arg.endswith(":ign") else ""))
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if arg.startswith("bits:"):
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bits_param_name = param_name
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print(f".macro {key}_{mn} {', '.join(param_list)}".rstrip())
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if bits_param_name is not None:
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print(f" .byte {hex(op)} + \\{bits_param_name}")
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else:
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print(f" .byte {hex(op)}")
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for arg, param_name in zip(args, param_names):
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if arg.startswith('bits:'):
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pass
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elif arg in ['s8', 'u8', 'hex8']:
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print(f" .byte \\{param_name}")
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elif arg in ['u16', 'hex16']:
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print_hword("\\" + param_name)
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elif arg == 'addr':
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print_hword(f"(\\{param_name} - sequence_start)")
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elif arg == 'var_long':
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print(f" var_long \\{param_name}")
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elif arg == 'var':
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print(f" var \\{param_name}")
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else:
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raise Exception("Unknown argument type " + arg)
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print(".endm")
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print()
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def emit_env_cmd(op, cmd):
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mn = cmd[0]
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param_names = []
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param_list = []
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for i, arg in enumerate(cmd[1:]):
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param_name = chr(97 + i)
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param_names.append(param_name)
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param_list.append(param_name + ("=0" if arg.endswith(":ign") else ""))
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print(f".macro envelope_{mn} {', '.join(param_list)}".rstrip())
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if op is not None:
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print(f" .byte {hex(op >> 8)}, {hex(op & 0xff)}")
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for param in param_names:
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print_hword("\\" + param)
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print(".endm\n")
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for key in ['seq', 'chan', 'layer']:
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print(f"# {key} commands\n")
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if key == 'layer':
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cmds = commands['layer_large']
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for op in sorted(commands['layer_small'].keys()):
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if op not in cmds:
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emit_cmd(key, op, commands['layer_small'][op])
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else:
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cmds = commands[key]
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eu_sh = []
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us_jp = []
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sh = sh_chan_overrides if key == 'chan' else []
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non_sh = []
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for op in sorted(cmds.keys()):
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mn = cmds[op][0]
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if mn == 'setnotepriority':
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eu_sh.append((0xe9, ['setnotepriority', 'u8']))
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us_jp.append((op, cmds[op]))
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elif mn in ['reservenotes', 'unreservenotes']:
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eu_sh.append((op - 1, cmds[op]))
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us_jp.append((op, cmds[op]))
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elif mn in ['testlayerfinished', 'setlayer', 'ioreadval', 'freelayer']:
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non_sh.append((op, cmds[op]))
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elif mn not in ['portamento', 'writeseq']:
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emit_cmd(key, op, cmds[op])
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if key == 'chan':
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print(".macro chan_writeseq val, pos, offset")
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print(" .byte 0xc7, \\val")
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print_hword("(\\pos - sequence_start + \\offset)")
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print(".endm\n")
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print(".macro chan_writeseq_nextinstr val, offset")
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print(" .byte 0xc7, \\val")
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print_hword("(writeseq\\@ - sequence_start + \\offset)")
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print(" writeseq\\@:")
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print(".endm\n")
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print(".macro layer_portamento a, b, c")
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print(" .byte 0xc7, \\a, \\b")
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print(" .if ((\\a & 0x80) == 0)")
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print(" var \\c")
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print(" .else")
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print(" .byte \\c")
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print(" .endif")
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print(".endm\n")
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emit_cmd(key, 0xfd, ['delay_long', 'var_long'])
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if key == 'layer':
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emit_cmd(key, 0xc0, ['delay_long', 'var_long'])
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emit_cmd(key, 0x40, ['note1_long', 'bits:4', 'var_long', 'u8'])
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if eu_sh or us_jp or sh or non_sh:
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print(".ifdef VERSION_SH\n")
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for (op, cmd) in eu_sh:
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emit_cmd(key, op, cmd)
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for (op, cmd) in sh:
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emit_cmd(key, op, cmd)
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print(".else\n")
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for (op, cmd) in non_sh:
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emit_cmd(key, op, cmd)
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print(".ifdef VERSION_EU\n")
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for (op, cmd) in eu_sh:
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emit_cmd(key, op, cmd)
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print(".else\n")
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for (op, cmd) in us_jp:
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emit_cmd(key, op, cmd)
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print(".endif\n")
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print(".endif\n")
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print("# envelope commands\n")
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emit_env_cmd(0, ['disable', 'u16'])
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emit_env_cmd(2**16-1, ['hang', 'u16:ign'])
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emit_env_cmd(2**16-2, ['goto', 'u16'])
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emit_env_cmd(2**16-3, ['restart', 'u16:ign'])
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emit_env_cmd(None, ['line', 'u16', 'u16'])
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print("# other commands\n")
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print(".macro var_long x")
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print(" .byte (0x80 | (\\x & 0x7f00) >> 8), (\\x & 0xff)")
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print(".endm\n")
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print(".macro var x")
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print(" .if (\\x >= 0x80)")
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print(" var_long \\x")
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print(" .else")
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print(" .byte \\x")
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print(" .endif")
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print(".endm\n")
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print(".macro sound_ref a")
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print_hword("(\\a - sequence_start)")
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print(".endm")
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sys.exit(0)
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filename = sys.argv[1]
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try:
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lang = filename.split('/')[-2]
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assert lang in ['us', 'jp', 'eu', 'sh']
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seq_num = int(filename.split('/')[-1].split('_')[0], 16)
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except Exception:
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lang = ''
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seq_num = -1
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try:
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with open(filename, 'rb') as f:
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data = f.read()
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except Exception:
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print("Error: could not open file {filename} for reading.", file=sys.stderr)
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sys.exit(1)
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output = [None] * len(data)
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output_instate = [None] * len(data)
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label_name = [None] * len(data)
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script_start = [False] * len(data)
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hit_eof = False
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errors = []
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seq_writes = []
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# Our analysis of large notes mode doesn't persist through multiple channel activations
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# For simplicity, we force large notes always instead, which is valid for SM64.
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force_large_notes = True
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if lang in ['eu', 'sh']:
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# unreservenotes moved to 0xf0 in EU, and reservenotes took its place
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commands['chan'][0xf0] = commands['chan'][0xf1]
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commands['chan'][0xf1] = commands['chan'][0xf2]
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del commands['chan'][0xf2]
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# total guess: the same is true for the 'seq'-type command
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commands['seq'][0xf0] = commands['seq'][0xf1]
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commands['seq'][0xf1] = commands['seq'][0xf2]
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del commands['seq'][0xf2]
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# setnotepriority moved to 0xe9, becoming a non-arg command
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commands['chan'][0xe9] = ['setnotepriority', 'u8']
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del commands['chan'][0x60]
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if lang == 'sh':
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del commands['chan'][0x00]
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del commands['chan'][0xa0]
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for op, cmd_list in sh_chan_overrides:
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commands['chan'][op] = cmd_list
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def gen_label(ind, tp):
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nice_tp = tp.replace('_small', '').replace('_large', '')
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addr = hex(ind)[2:].upper()
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ret = f".{nice_tp}_{addr}"
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if ind >= len(data):
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errors.append(f"reference to oob label {ret}")
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return ret
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if label_name[ind] is not None:
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return label_name[ind]
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label_name[ind] = ret
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return ret
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def gen_mnemonic(tp, b):
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nice_tp = tp.split('_')[0]
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mn = commands[tp][b][0]
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if not mn:
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mn = f"{b:02X}"
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return f"{nice_tp}_{mn}"
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decode_list = []
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def decode_one(state):
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pos, tp, nesting, large = state
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orig_pos = pos
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if pos >= len(data):
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global hit_eof
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hit_eof = True
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return
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if output[pos] is not None:
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if output_instate[pos] != state:
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errors.append(f"got to {gen_label(orig_pos, tp)} with both state {state} and {output_instate[pos]}")
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return
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def u8():
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nonlocal pos
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global hit_eof
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if pos == len(data):
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hit_eof = True
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return 0
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ret = data[pos]
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pos += 1
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return ret
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def u16():
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hi = u8()
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lo = u8()
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return (hi << 8) | lo
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def var():
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ret = u8()
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if ret & 0x80:
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ret = (ret << 8) & 0x7f00;
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ret |= u8()
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return (ret, ret < 0x80)
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return (ret, False)
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if tp == 'soundref':
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sound = u16()
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decode_list.append((sound, 'chan', 0, True))
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if sound < len(data):
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script_start[sound] = True
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for p in range(orig_pos, pos):
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output[p] = ''
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output_instate[p] = state
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output[orig_pos] = 'sound_ref ' + gen_label(sound, 'chan')
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return
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if tp == 'envelope':
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a = u16()
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b = u16()
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for p in range(orig_pos, pos):
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output[p] = ''
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output_instate[p] = state
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if a >= 2**16 - 3:
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a -= 2**16
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if a <= 0:
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mn = ['disable', 'hang', 'goto', 'restart'][-a]
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output[orig_pos] = f'envelope_{mn} {b}'
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# assume any goto is backwards and stop decoding
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else:
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output[orig_pos] = f'envelope_line {a} {b}'
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decode_list.append((pos, tp, nesting, large))
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return
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ins_byte = u8()
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cmds = commands[tp]
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nbits = 0
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used_b = ins_byte
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while True:
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if used_b in cmds and valid_cmd_for_nbits(cmds[used_b], nbits):
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break
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used_b &= ~(1 << nbits)
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nbits += 1
|
|
if nbits == 8:
|
|
errors.append(f"unrecognized instruction {hex(ins_byte)} for type {tp} at label {gen_label(orig_pos, tp)}")
|
|
return
|
|
|
|
out_mn = gen_mnemonic(tp, used_b)
|
|
out_args = []
|
|
cmd_mn = cmds[used_b][0]
|
|
cmd_args = cmds[used_b][1:]
|
|
long_var = False
|
|
|
|
for a in cmd_args:
|
|
if cmd_mn == 'portamento' and len(out_args) == 2 and (int(out_args[0], 0) & 0x80) == 0:
|
|
a = 'var'
|
|
if a.startswith('bits:'):
|
|
low_bits = ins_byte & ((1 << nbits) - 1)
|
|
if not (a.endswith(':ign') and low_bits == 0):
|
|
out_args.append(str(low_bits))
|
|
elif a == 'u8':
|
|
out_args.append(str(u8()))
|
|
elif a == 'hex8':
|
|
out_args.append(hex(u8()))
|
|
elif a == 's8':
|
|
v = u8()
|
|
out_args.append(str(v if v < 128 else v - 256))
|
|
elif a == 'u16':
|
|
out_args.append(str(u16()))
|
|
elif a == 'hex16':
|
|
out_args.append(hex(u16()))
|
|
elif a == 'var':
|
|
val, bad = var()
|
|
out_args.append(hex(val))
|
|
if bad:
|
|
long_var = True
|
|
elif a == 'addr':
|
|
v = u16()
|
|
|
|
kind = 'addr'
|
|
if cmd_mn == 'call':
|
|
kind = tp + '_fn'
|
|
elif cmd_mn in ['jump', 'beqz', 'bltz', 'bgez']:
|
|
kind = tp
|
|
elif cmd_mn == 'startchannel':
|
|
kind = 'chan'
|
|
elif cmd_mn == 'setlayer':
|
|
kind = 'layer'
|
|
elif cmd_mn == 'setdyntable':
|
|
kind = 'table'
|
|
elif cmd_mn == 'setenvelope':
|
|
kind = 'envelope'
|
|
|
|
if v >= len(data):
|
|
label = gen_label(v, kind)
|
|
out_args.append(label)
|
|
errors.append(f"reference to oob label {label}")
|
|
elif cmd_mn == 'writeseq':
|
|
out_args.append('<fixup>')
|
|
seq_writes.append((orig_pos, v))
|
|
else:
|
|
out_args.append(gen_label(v, kind))
|
|
if cmd_mn == 'call':
|
|
decode_list.append((v, tp, 0, large))
|
|
script_start[v] = True
|
|
elif cmd_mn in ['jump', 'beqz', 'bltz', 'bgez']:
|
|
decode_list.append((v, tp, nesting, large))
|
|
elif cmd_mn == 'startchannel':
|
|
decode_list.append((v, 'chan', 0, force_large_notes))
|
|
script_start[v] = True
|
|
elif cmd_mn == 'setlayer':
|
|
if large:
|
|
decode_list.append((v, 'layer_large', 0, True))
|
|
else:
|
|
decode_list.append((v, 'layer_small', 0, True))
|
|
script_start[v] = True
|
|
elif cmd_mn == 'setenvelope':
|
|
decode_list.append((v, 'envelope', 0, True))
|
|
script_start[v] = True
|
|
else:
|
|
script_start[v] = True
|
|
|
|
out_all = out_mn
|
|
if long_var:
|
|
out_all += "_long"
|
|
if out_args:
|
|
out_all += ' '
|
|
out_all += ', '.join(out_args)
|
|
for p in range(orig_pos, pos):
|
|
output[p] = ''
|
|
output_instate[p] = state
|
|
output[orig_pos] = out_all
|
|
|
|
if cmd_mn in ['hang', 'jump']:
|
|
return
|
|
if cmd_mn in ['loop']:
|
|
nesting += 1
|
|
if cmd_mn == 'end':
|
|
nesting -= 1
|
|
if cmd_mn in ['break', 'loopend']:
|
|
nesting -= 1
|
|
if nesting < 0:
|
|
# This is iffy, and actually happens in sequence 0. It will make us
|
|
# return to the caller's caller at function end.
|
|
nesting = 0
|
|
if cmd_mn == 'largenoteson':
|
|
large = True
|
|
if cmd_mn == 'largenotesoff':
|
|
large = False
|
|
if nesting >= 0:
|
|
decode_list.append((pos, tp, nesting, large))
|
|
|
|
def decode_rec(state, initial):
|
|
if not initial:
|
|
v = state[0]
|
|
gen_label(v, state[1])
|
|
script_start[v] = True
|
|
decode_list.append(state)
|
|
while decode_list:
|
|
decode_one(decode_list.pop())
|
|
|
|
def main():
|
|
decode_rec((0, 'seq', 0, False), initial=True)
|
|
|
|
if seq_num == 0:
|
|
if lang == 'jp':
|
|
sound_banks = [
|
|
(0x14C, 0x70),
|
|
(0x8A8, 0x38), # stated as 0x30
|
|
(0xB66, 0x38), # stated as 0x30
|
|
(0xE09, 0x80),
|
|
(0x194B, 0x28), # stated as 0x20
|
|
(0x1CA6, 0x80),
|
|
(0x27C9, 0x20),
|
|
(0x2975, 0x30),
|
|
# same script as bank 3
|
|
# same script as bank 5
|
|
]
|
|
unused = [
|
|
(0x1FC4, 'layer_large'),
|
|
(0x2149, 'layer_large'),
|
|
(0x2223, 'layer_large'),
|
|
(0x28C5, 'chan'),
|
|
(0x3110, 'envelope'),
|
|
(0x31EC, 'envelope'),
|
|
]
|
|
elif lang == 'us':
|
|
sound_banks = [
|
|
(0x14C, 0x70),
|
|
(0x8F6, 0x38), # stated as 0x30
|
|
(0xBB4, 0x40),
|
|
(0xF8E, 0x80),
|
|
(0x1AF3, 0x28), # stated as 0x20
|
|
(0x1E4E, 0x80),
|
|
(0x2971, 0x20),
|
|
(0x2B1D, 0x40),
|
|
# same script as bank 3
|
|
# same script as bank 5
|
|
]
|
|
unused = [
|
|
(0x216C, 'layer_large'),
|
|
(0x22F1, 'layer_large'),
|
|
(0x23CB, 'layer_large'),
|
|
(0x2A6D, 'chan'),
|
|
(0x339C, 'envelope'),
|
|
(0x3478, 'envelope'),
|
|
]
|
|
elif lang == 'eu':
|
|
sound_banks = [
|
|
(0x154, 0x70),
|
|
(0x8FE, 0x38), # stated as 0x30
|
|
(0xBBC, 0x40),
|
|
(0xFA5, 0x80),
|
|
(0x1B0C, 0x28), # stated as 0x20
|
|
(0x1E67, 0x80),
|
|
(0x298A, 0x20),
|
|
(0x2B36, 0x40),
|
|
# same script as bank 3
|
|
# same script as bank 5
|
|
]
|
|
unused = [
|
|
(0xF9A, 'chan'),
|
|
(0x2185, 'layer_large'),
|
|
(0x230A, 'layer_large'),
|
|
(0x23E4, 'layer_large'),
|
|
(0x2A86, 'chan'),
|
|
(0x33CC, 'envelope'),
|
|
(0x34A8, 'envelope'),
|
|
]
|
|
elif lang == 'sh':
|
|
sound_banks = [
|
|
(0x154, 0x70),
|
|
(0x8FE, 0x38), # stated as 0x30
|
|
(0xBBC, 0x40),
|
|
(0xFA5, 0x80),
|
|
(0x1B11, 0x28), # stated as 0x20
|
|
(0x1E6C, 0x80),
|
|
(0x298F, 0x20),
|
|
(0x2B3B, 0x40),
|
|
# same script as bank 3
|
|
# same script as bank 5
|
|
]
|
|
|
|
unused = [
|
|
(0xF9A, 'chan'),
|
|
(0x218A, 'layer_large'),
|
|
(0x230F, 'layer_large'),
|
|
(0x23E9, 'layer_large'),
|
|
(0x2A8B, 'chan'),
|
|
(0x33D0, 'envelope'),
|
|
(0x34AC, 'envelope'),
|
|
]
|
|
|
|
|
|
for (addr, count) in sound_banks:
|
|
for i in range(count):
|
|
decode_rec((addr + 2*i, 'soundref', 0, False), initial=True)
|
|
|
|
for (addr, tp) in unused:
|
|
gen_label(addr, tp + '_unused')
|
|
decode_rec((addr, tp, 0, force_large_notes), initial=False)
|
|
|
|
for (pos, write_to) in seq_writes:
|
|
assert '<fixup>' in output[pos]
|
|
delta = 0
|
|
while output[write_to] == '':
|
|
write_to -= 1
|
|
delta += 1
|
|
if write_to > pos and all(output[i] == '' for i in range(pos+1, write_to)):
|
|
nice_target = str(delta)
|
|
output[pos] = output[pos].replace('writeseq', 'writeseq_nextinstr')
|
|
else:
|
|
tp = output_instate[write_to][1] if output_instate[write_to] is not None else 'addr'
|
|
nice_target = gen_label(write_to, tp) + ", " + str(delta)
|
|
output[pos] = output[pos].replace('<fixup>', nice_target)
|
|
|
|
# Add unreachable 'end' markers
|
|
for i in range(1, len(data)):
|
|
if (data[i] == 0xff and output[i] is None and output[i - 1] is not None
|
|
and label_name[i] is None):
|
|
tp = output_instate[i - 1][1]
|
|
if tp in ["seq", "chan", "layer_small", "layer_large"]:
|
|
output[i] = gen_mnemonic(tp, 0xff)
|
|
|
|
# Add envelope padding
|
|
for i in range(1, len(data) - 1):
|
|
if (data[i] == 0 and output[i] is None and output[i - 1] is not None and
|
|
output[i + 1] is not None and label_name[i] is None and
|
|
output[i + 1].startswith('envelope')):
|
|
script_start[i] = True
|
|
output[i] = "# padding\n.byte 0"
|
|
|
|
# Add 'unused' marker labels
|
|
for i in range(1, len(data)):
|
|
if (output[i] is None and output[i - 1] is not None and label_name[i] is None):
|
|
script_start[i] = True
|
|
gen_label(i, 'unused')
|
|
|
|
# Remove up to 15 bytes of padding at the end
|
|
end_padding = 0
|
|
for i in range(len(data)-1, -1, -1):
|
|
if output[i] is not None:
|
|
break
|
|
end_padding += 1
|
|
if end_padding > 15:
|
|
end_padding = 0
|
|
|
|
if print_end_padding:
|
|
print(end_padding)
|
|
sys.exit(0)
|
|
|
|
print(".include \"seq_macros.inc\"")
|
|
print(".section .rodata")
|
|
print(".align 0")
|
|
print("sequence_start:")
|
|
print()
|
|
for i in range(len(data) - end_padding):
|
|
if script_start[i] and i > 0:
|
|
print()
|
|
if label_name[i] is not None:
|
|
print(f"{label_name[i]}:")
|
|
o = output[i]
|
|
if o is None:
|
|
print(f".byte {hex(data[i])}")
|
|
elif o:
|
|
print(o)
|
|
elif label_name[i] is not None:
|
|
print("<mid-instruction>")
|
|
errors.append(f"mid-instruction label {label_name[i]}")
|
|
|
|
if hit_eof:
|
|
errors.append("hit eof!?")
|
|
|
|
if errors:
|
|
print(f"[{filename}] errors:", file=sys.stderr)
|
|
for w in errors:
|
|
print(w, file=sys.stderr)
|
|
|
|
main()
|