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cd_rominfo.py
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cd_rominfo.py
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"""
Info on Appareden CD rom structure and project directory layout.
"""
import os
from collections import OrderedDict
import rominfo
import pointer_info
from appareden.asm import CD_EDITS, CD_CHEATS
CD_SRC_DIR = 'original_CD'
CD_DEST_DIR = 'patched_CD'
CD_SRC_DISK = os.path.join(CD_SRC_DIR, 'Appareden (CD-UPDATED).HDI')
CD_DEST_DISK = os.path.join(CD_DEST_DIR, 'Appareden (CD-UPDATED).HDI')
DUMP_XLS_PATH = 'appareden_sys_dump.xlsx'
POINTER_XLS_PATH = 'appareden_pointer_dump.xlsx'
def orfield_fd_to_cd(n):
"""
Given an offset in ORFIELD.EXE FD, return the CD offset.
"""
if n < 0x2663e:
return n + 1568
else:
return n + 1606
def orbtl_fd_to_cd(n):
"""
Given an offset in ORBTL.EXE FD, return the CD offset.
"""
if 0x151d2 <= n < 0x2715a:
return n + 528
elif 0x2715a <= n < 0x28178:
return n - 1470
else:
return n - 1442
FILE_BLOCKS = {
'ORFIELD.EXE': [
(0x26740, 0x267b6),
(0x26988, 0x26a64),
(0x26c84, 0x26dbd),
(0x26e35, 0x26e45),
(0x26e9b, 0x26f95),
(0x27051, 0x270d6),
(0x2716e, 0x27204),
(0x2745c, 0x27563),
(0x277d3, 0x27b9e),
(0x27c33, 0x27c45),
(0x27c54, 0x27c6d),
(0x28526, 0x28546), # repel block
(0x2868a, 0x28e97),
(0x28f94, 0x29667),
(0x29667, 0x29704),
(0x2a900, 0x2d28c),
(0x2d668, 0x2da0c),
(0x2e0ba, 0x2ecd8),
(0x2eff8, 0x2f0cb),
(0x2f193, 0x2f55a)
],
'ORTITLE.EXE': [
(0x414c, 0x4294),
(0x4294, 0x431e),
],
'ORBTL.EXE': [],
}
#for fb in rominfo.FILE_BLOCKS['ORFIELD.EXE']:
# FILE_BLOCKS['ORFIELD.EXE'].append((orfield_fd_to_cd(fb[0]), orfield_fd_to_cd(fb[1])))
for fb in rominfo.FILE_BLOCKS['ORBTL.EXE']:
FILE_BLOCKS['ORBTL.EXE'].append((orbtl_fd_to_cd(fb[0]), orbtl_fd_to_cd(fb[1])))
# These are done
POINTER_CONSTANT = {
'ORTITLE.EXE': 0x40b0,
'ORFIELD.EXE': 0x26530,
'ORBTL.EXE': 0x25330,
}
# Tables are (start, stop, stride) tuples.
POINTER_TABLES = {
'ORTITLE.EXE': [
(0x40e4, 0x4116, 2),
],
'ORBTL.EXE': [
(0x25364, 0x25388, 2), # done
(0x2619e, 0x261a2, 2), # done
(0x26c3c, 0x26c42, 2), # done
(0x26c44, 0x26c4a, 4), # done
(0x274ae, 0x27830, 0xe), # done
(0x27830, 0x278ae, 2), # done
(0x278ae, 0x27b4e, 0x10), # done
(0x27bc8, 0x27bd8, 2), # done
(0x28720, 0x28abc, 12), # done
(0x28abc, 0x28b56, 2), # done
(0x28b66, 0x29796, 16), # done
(0x2af1c, 0x2af2d, 2), # done
(0x2b0bc, 0x2b1fe, 0x28), # done
(0x2b224, 0x2cd07, 0x28), # done
],
'ORFIELD.EXE': [
(0x266c8, 0x266dc, 2), # done
(0x26982, 0x26988, 2), # done
(0x26c34, 0x26c84, 2), # done
(0x27028, 0x27040, 2), # done
(0x270d6, 0x270dc, 2), # done
(0x270e6, 0x27113, 2), # done # other problems
(0x27116, 0x27140, 2), # done
(0x2714a, 0x2716c, 2), # done
(0x28546, 0x285d6, 2), # done
(0x285ea, 0x28687, 2), # done
(0x29704, 0x29a8a, 0xc), # done
(0x29a94, 0x29b3a, 2), # done
(0x29b4a, 0x2a77c, 0x10), # done
(0x2a77c, 0x2a900, 2), # done # problems
(0x2da0c, 0x2dd8c, 0xe), # done
(0x2dd8c, 0x2de0c, 2), # done
(0x2de0c, 0x2e0ae, 0x10), # done
(0x2e0ac, 0x2e0ba, 2),
]
}
DICTIONARY_LOCATION = {
'ORFIELD.EXE': 0x2a900,
'ORBTL.EXE': 0x29796,
'ORTITLE.EXE': None
}
# " What will you do?" is at ESI=77c, (0x26ce9).
# ESI = 0 at 0x2656d.
# So, dictionary at 0x2a900 is ESI=4393.
COMPRESSION_DICTIONARY = rominfo.COMPRESSION_DICTIONARY
POINTER_DISAMBIGUATION = {
# ORFIELD.EXE
0x27527: 0x16ef7,
0x2752c: 0x16f06,
0x27818: 0x176a0,
0x27b30: 0x17bd2,
0x27b77: 0x17de4,
0x28d35: 0x1c6da,
0x28fad: 0x1d935,
0x2d698: 0x217d6,
0x2d698: 0x217d6,
0x2d798: 0x21edb,
0x2d7b1: 0x21f83,
0x2eff8: 0x23484,
0x2f028: 0x23595,
0x2f041: 0x23602,
0x2f2ea: 0x23b7d,
0x269de: 0xc147,
0x269ef: 0xc163,
0x26a18: 0xc1a3,
0x26cad: 0x12ffc,
0x26eaf: 0x13691,
0x26eee: 0x138d0,
0x26ef9: 0x138f1,
0x28d35: 0x1c93a,
0x2f532: 0x2421e,
0x2d970: 0x22acc,
0x2d9a4: 0x22ca9,
0x2f408: 0x23d39,
# ORBTL
0x25540: 0xcf2a,
0x2555c: 0xcf77,
0x25586: 0xd26e,
0x255ac: 0xd53a,
0x255b7: 0xd655,
}
POINTERS_TO_REASSIGN = {
'ORFIELD.EXE': [],
'ORBTL.EXE': []
}
for src, dest in pointer_info.POINTERS_TO_REASSIGN['ORFIELD.EXE']:
POINTERS_TO_REASSIGN['ORFIELD.EXE'].append((orfield_fd_to_cd(src), orfield_fd_to_cd(dest)))
for src, dest in pointer_info.POINTERS_TO_REASSIGN['ORBTL.EXE']:
POINTERS_TO_REASSIGN['ORBTL.EXE'].append((orbtl_fd_to_cd(src), orbtl_fd_to_cd(dest)))
CdRom = rominfo.Rominfo(FILE_BLOCKS, POINTER_CONSTANT, DICTIONARY_LOCATION, POINTER_TABLES,
COMPRESSION_DICTIONARY, POINTER_DISAMBIGUATION,
POINTERS_TO_REASSIGN, CD_EDITS, CD_CHEATS)