Some tooling to extract assets
Run: restool.py decode to extract assets into assets/defs/* Run: restool.py compile to compile the assets back into a rom
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Snesrev
204
assets/eproj_decode.py
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204
assets/eproj_decode.py
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import pickle
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from decode_common import *
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BANK = 0x86
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kEprojInstructionSet = {
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0x868154: ('Delete', ''),
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0x868159: ('Sleep', ''),
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0x868161: ('SetPreInstr_', 'A'),
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0x86816a: ('ClearPreInstr', ''),
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0x868171: ('CallFunc', 'L'),
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0x86818b: ('CallFuncWithParam', 'LH'),
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0x8681ab: ('Goto', 'G'),
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0x8681c6: ('DecTimerAndGotoIfNonZero', 'G'),
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0x8681d5: ('SetTimer', 'H'),
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0x8681de: ('nullsub_82', ''),
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0x8681df: ('MoveRandomlyWithinRadius', 'BBBB'),
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0x868230: ('SetProjectileProperties', 'X'),
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0x86823c: ('ClearProjectileProperties', 'X'),
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0x868248: ('EnableCollisionWithSamusProj', ''),
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0x868252: ('DisableCollisionWithSamusProj', ''),
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0x86825c: ('DisableCollisionWithSamus', ''),
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0x868266: ('EnableCollisionWithSamus', ''),
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0x868270: ('SetToNotDieOnContact', ''),
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0x86827a: ('SetToDieOnContact', ''),
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0x868284: ('SetLowPriority', ''),
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0x86828e: ('SetHighPriority', ''),
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0x868298: ('SetXyRadius', 'BB'),
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0x8682a1: ('SetXyRadiusZero', ''),
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0x8682a5: ('CalculateDirectionTowardsSamus', ''),
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0x8682d5: ('WriteColorsToPalette', 'HHH'),
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0x8682fd: ('QueueMusic', 'B'),
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0x868309: ('QueueSfx1_Max6', 'B'),
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0x868312: ('QueueSfx2_Max6', 'B'),
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0x86831b: ('QueueSfx3_Max6', 'B'),
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0x868324: ('QueueSfx1_Max15', 'B'),
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0x86832d: ('QueueSfx2_Max15', 'B'),
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0x868336: ('QueueSfx3_Max15', 'B'),
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0x86833f: ('QueueSfx1_Max3', 'B'),
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0x868348: ('QueueSfx2_Max3', 'B'),
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0x868351: ('QueueSfx3_Max3', 'B'),
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0x86835a: ('QueueSfx1_Max9', 'B'),
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0x868363: ('QueueSfx2_Max9', 'B'),
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0x86836c: ('QueueSfx3_Max9', 'B'),
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0x868375: ('QueueSfx1_Max1', 'B'),
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0x86837e: ('QueueSfx2_Max1', 'B'),
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0x868387: ('QueueSfx3_Max1', 'B'),
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0x868c68: ('SpawnEnemyDropsWithDraygonsEyeDrops', ''),
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0x868cf6: ('EnemyProjInstr_SetPreInstrA', ''),
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0x868d99: ('EprojInstr_868D99', ''),
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0x869270: ('EprojInstr_9270', ''),
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0x8695ba: ('EprojInstr_95BA', ''),
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0x8695ed: ('EprojInstr_95ED', ''),
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0x869620: ('EprojInstr_9620', ''),
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0x86980e: ('EprojInstr_980E', ''),
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0x86a050: ('SetPreInstrAndRun', 'A'),
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0x86a3be: ('EprojInstr_A3BE', ''),
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0x86ab8a: ('SpawnEnemyDrops', 'aa'),
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0x86af36: ('ResetXYpos1', ''),
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0x86b269: ('SetVelTowardsSamus1', ''),
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0x86b7ea: ('SpawnTourianStatueUnlockingParticle', ''),
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0x86b7f5: ('Earthquake', ''),
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0x86b818: ('SpawnTourianStatueUnlockingParticleTail', ''),
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0x86c173: ('SwitchJump', ''),
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0x86c1b4: ('UserPalette0', ''),
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0x86caee: ('MotherBrainPurpleBreathIsActive', ''),
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0x86c42e: ('sub_86C42E', ''),
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0x86c8d0: ('Add12ToY', ''),
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0x86d1c7: ('EprojInstr_D1C7', ''),
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0x86d1ce: ('EprojInstr_D1CE', ''),
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0x86d5f2: ('SetN00bTubeShardX', 'SS'),
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0x86d5e1: ('AssignNewN00bTubeShardVelocity', ''),
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0x86d69a: ('SetXvelRandom', ''),
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0x86dc5a: ('EprojInstr_DC5A', ''),
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0x86dc61: ('SpawnEnemyDrops_0', ''),
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0x86dfea: ('EprojInstr_DFEA', ''),
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0x86e533: ('SetYVel', 'I'),
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0x86ee8b: ('QueueSfx2_9', ''),
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0x86b13e: ('sub_86B13E', ''),
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0x86b272: ('SetVelTowardsSamus2', ''),
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0x86b3b8: ('GotoIfFunc1', 'G'),
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0x86d15c: ('EprojInstr_D15C', ''),
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0x86d1b6: ('EprojInstr_D1B6', ''),
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0x86d62a: ('EprojInstr_D62A', 'H'),
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0x86dc77: ('SpawnSporesEproj', ''),
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0x86ef10: ('HandleRespawningEnemy', ''),
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0x86eeaf: ('EprojInstr_EEAF', ''),
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0x86eea3: ('QueueSfx2_B', ''),
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0x86ee97: ('QueueSfx2_24', ''),
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0x86ece3: ('EprojInstr_ECE3', 'H'),
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0x86ed17: ('EprojInstr_ED17', 'H'),
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0x86ad92: ('GotoDependingOnXDirection', 'HG'),
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0x869475: ('DisableCollisionsWithSamus', ''),
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0x86a456: ('GotoWithProbability25', 'G'),
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0x86af92: ('MoveY_Minus4', ''),
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0x86b841: ('AddToYpos', 'H'),
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}
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kCommandByName = {v[0] : (k, v[1]) for k, v in kEprojInstructionSet.items()}
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kEprojTerminator = {0x868154, 0x868159, 0x8681AB, 0x86c173}
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kEprojTerminatorEA = {0x86B818}
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if 0:
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name2ea = pickle.loads(open('names.pickle', 'rb').read())
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name2ea = {k.replace('?', '') : v for k, v in name2ea.items()}
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ea2name = {v:k for k,v in name2ea.items()}
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for k, v in kEprojInstructionSet.items():
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k = k | 0x860000
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t = ea2name[k]
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name = t.replace('EprojInstr_', '')
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args, _ = v
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tostr = {1 : 'B', 2 : 'H', 3 : 'L'}
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args = ''.join(tostr[a] for a in args)
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if name.startswith('Goto'):
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args = args[:-1] + 'G'
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print(" 0x%x: ('%s', '%s')," % (k, name, args))
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class EprojParser(InstrParserCommon):
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forbidden_addrs = {0x868a39}
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def __init__(self):
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super().__init__()
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self.sprite_maps = set()
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def print(self, file):
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print('<?eproj\n', file = file)
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for ea, line in sorted(self.lines, key = lambda x: x[0]):
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if ea in self.label:
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print(f'{get_ea_name(ea, short_label = True)}:', file = file)
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print(line, file = file)
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print('?>', file = file)
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print('', file = file)
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def process_queue_entry(self, ea):
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assert ea & 0x8000
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while True:
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if ea in self.visited or ea in kEprojTerminatorEA:
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break
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self.visited.add(ea)
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ins = get_word(ea)
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if ins & 0x8000:
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ea_org = ea
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ins = 0x860000 | ins
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if ins not in kEprojInstructionSet:
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print(f'// Ins {ins:X} not in iset at {ea:X}')
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self.missing_isets.add(ea & 0xff0000 | ins)
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return
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name, operands = kEprojInstructionSet[ins]
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ea += 2
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r = []
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for op in operands:
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if op == 'B':
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r.append('%d' % get_byte(ea))
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ea += 1
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elif op == 'H':
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r.append('%d' % get_word(ea))
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ea += 2
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elif op == 'I':
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r.append('%d' % sex16(get_word(ea)))
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ea += 2
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elif op == 'X':
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r.append('0x%x' % get_word(ea))
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ea += 2
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elif op == 'L':
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r.append(get_ea_name(get_word(ea) + get_byte(ea+2) * 65536))
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ea += 3
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elif op == 'G':
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addr = 0x860000 | get_word(ea)
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assert addr & 0x8000
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r.append(get_ea_name(addr, short_label=True))
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self.visit(addr)
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ea += 2
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elif op == 'A':
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addr = 0x860000 | get_word(ea)
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assert addr & 0x8000
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r.append(get_ea_name(addr, short_label=True))
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ea += 2
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elif op == 'a':
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addr = 0xa00000 | get_word(ea)
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assert addr & 0x8000
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r.append(get_ea_name(addr))
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ea += 2
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elif op == 'S':
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addr = 0x8D0000 | get_word(ea)
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assert addr & 0x8000
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r.append(get_ea_name(addr))
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self.sprite_maps.add(addr)
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ea += 2
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else:
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assert 0
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self.print_line(ea_org, f' {name}({", ".join(r)})')
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if ins in kEprojTerminator:
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self.print_line(ea_org + 1, '')
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break
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else:
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drawp = get_word(ea + 2) | 0x8D0000
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assert drawp & 0x8000, hex(ea)
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assert drawp != 0x868000
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self.sprite_maps.add(drawp)
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self.print_line(ea, f' {ins} ! {get_ea_name(drawp)}')
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ea += 4
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