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slowR3KA.py
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#!/usr/bin/env python3
"""SlowR3KA - PSX Disassembler [PS1/Playstation 1]
"""
__version__ = "0.7.1"
__author__ = "infval"
import ast
import sys
from struct import unpack
from re import finditer
import tkinter as tk
from tkinter import ttk
from tkinter import font as tkfont
from tkinter import filedialog
from tkinter import messagebox
class PSXHeader:
ATTR_NAMES = (
"id", "text", "data", "pc0", "gp0"
, "t_addr", "t_size"
, "d_addr", "d_size"
, "b_addr", "b_size"
, "s_addr", "s_size"
, "sp", "fp", "gp", "ret", "base"
, "marker"
)
def __init__(self, data):
marker_size = data.find(b"\x00", 76) - 76
marker_size = max(0, min(0x800 - 76, marker_size))
fmt = "<8s 17I {}s".format(marker_size)
values = unpack(fmt, data[: 76 + marker_size])
for key, value in zip(self.ATTR_NAMES, values):
if type(value) == bytes:
value = value.decode()
setattr(self, key, value)
def __str__(self):
s = (" #------------------#------------------#\n"
"| Playstation | magic : {magic:} | pc0 : {pc:08X} |\n"
"| Executable | t_addr: {ta:08X} | t_size: {ts:08X} |\n"
"| Information | s_addr: {sa:08X} | s_size: {ss:08X} |\n"
" #------------------#------------------#\n"
"| {marker}"
).format(magic =self.id , pc=self.pc0
, ta =self.t_addr, ts=self.t_size
, sa =self.s_addr, ss=self.s_size
, marker=self.marker)
return s
REGS = (
"zr", "at", "v0", "v1", "a0", "a1", "a2", "a3"
, "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7"
, "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7"
, "t8", "t9", "k0", "k1", "gp", "sp", "fp", "ra"
)
def shift(data, shft, len_bit):
return (data >> shft) & ((1 << len_bit) - 1)
def reg_shift(data, shft):
return REGS[shift(data, shft, 5)]
ALLBITS = ( 0, 32)
OPCODE = (26, 6)
SID = ( 0, 6)
BID = (16, 5)
CO = (25, 1)
MVFUNC = (21, 5)
TLBID = ( 0, 25) # (0, 6)
START_ADDR = 0xF800
pc = 0x00000000
labels = []
bjal_set = set()
def int_to_s16(n):
n &= 0xFFFF
if n & 0x8000:
n -= 0x10000
return n
def offset_to_addr(base_addr, offset):
return base_addr + (1 + int_to_s16(offset)) * 4
def Empty(inst, data):
return inst
def Unknown(inst, data):
return "{} 0x{:08X}".format(inst, data)
def COP(inst, data):
return "{} 0x{:07X}".format(inst, shift(data, 0, 25))
def Bcond(inst, data):
addr = offset_to_addr(pc, data)
labels.append((pc, addr))
if inst.upper() in ("BLTZAL", "BGEZAL"):
bjal_set.add(addr)
return "{} {}, 0x{:08X}".format(inst, reg_shift(data, 21), addr)
def JType(inst, data):
addr = (shift(data, 0, 26) << 2) | (pc & 0xF0000000)
labels.append((pc, addr))
if inst.upper() == "JAL":
bjal_set.add(addr)
return "{} 0x{:08X}".format(inst, addr)
def BranchEqualFmt(inst, data):
addr = offset_to_addr(pc, data)
labels.append((pc, addr))
return "{} {}, {}, 0x{:08X}".format(inst, reg_shift(data, 21),
reg_shift(data, 16), addr)
def BranchZeroFmt(inst, data):
addr = offset_to_addr(pc, data)
labels.append((pc, addr))
return "{} {}, 0x{:08X}".format(inst, reg_shift(data, 21), addr)
def ImmediateALU(inst, data):
return "{} {}, {}, 0x{:04X}".format(inst, reg_shift(data, 16),
reg_shift(data, 21), shift(data, 0, 16))
def ImmediateLUI(inst, data):
return "{} {}, 0x{:04X}".format(inst, reg_shift(data, 16),
shift(data, 0, 16))
def LoadStoreInstruction(inst, data):
return "{} {}, 0x{:04X}({})".format(inst, reg_shift(data, 16),
shift(data, 0, 16), reg_shift(data, 21))
def ShiftAmount(inst, data):
return "{} {}, {}, 0x{:02X}".format(inst, reg_shift(data, 11),
reg_shift(data, 16), shift(data, 6, 5))
def ShiftRegister(inst, data):
return "{} {}, {}, {}".format(inst, reg_shift(data, 11),
reg_shift(data, 16), reg_shift(data, 21))
def JumpTarget(inst, data):
return "{} {}".format(inst, reg_shift(data, 21))
def JumpRegister(inst, data):
return "{} {}, {}".format(inst, reg_shift(data, 11), reg_shift(data, 21))
def Special(inst, data):
return "{} 0x{:05X}".format(inst, shift(data, 6, 20))
def MoveFromHILO(inst, data):
return "{} {}".format(inst, reg_shift(data, 11))
def MoveToHILO(inst, data):
return "{} {}".format(inst, reg_shift(data, 21))
def DivMult(inst, data):
return "{} {}, {}".format(inst, reg_shift(data, 21), reg_shift(data, 16))
def RegisterALU(inst, data):
return "{} {}, {}, {}".format(inst, reg_shift(data, 11),
reg_shift(data, 21), reg_shift(data, 16))
def CoprocessorMove(inst, data):
return "{} {}, {}".format(inst, reg_shift(data, 16), reg_shift(data, 11))
def BC(inst, data):
return "{} 0x{:04X}".format(inst, shift(data, 0, 16))
itree = ("unknown", Unknown, OPCODE,
{
0o00 : ("unknown", Unknown, SID, # SPECIAL
{
0o00 : ("sll", ShiftAmount, ALLBITS,
{
0o00 : ("nop", Empty, (0,0),{})
}
)
, 0o02 : ("srl" , ShiftAmount, (0,0),{})
, 0o03 : ("sra" , ShiftAmount, (0,0),{})
, 0o04 : ("sllv" , ShiftRegister, (0,0),{})
, 0o06 : ("srlv" , ShiftRegister, (0,0),{})
, 0o07 : ("srav" , ShiftRegister, (0,0),{})
, 0o10 : ("jr" , JumpTarget, (0,0),{})
, 0o11 : ("jalr" , JumpRegister, (0,0),{})
, 0o14 : ("syscall", Special, (0,0),{})
, 0o15 : ("break" , Special, (0,0),{})
, 0o20 : ("mfhi" , MoveFromHILO, (0,0),{})
, 0o21 : ("mthi" , MoveToHILO, (0,0),{})
, 0o22 : ("mflo" , MoveFromHILO, (0,0),{})
, 0o23 : ("mtlo" , MoveToHILO, (0,0),{})
, 0o30 : ("mult" , DivMult, (0,0),{})
, 0o31 : ("multu" , DivMult, (0,0),{})
, 0o32 : ("div" , DivMult, (0,0),{})
, 0o33 : ("divu" , DivMult, (0,0),{})
, 0o40 : ("add" , RegisterALU, (0,0),{})
, 0o41 : ("addu" , RegisterALU, (0,0),{})
, 0o42 : ("sub" , RegisterALU, (0,0),{})
, 0o43 : ("subu" , RegisterALU, (0,0),{})
, 0o44 : ("and" , RegisterALU, (0,0),{})
, 0o45 : ("or" , RegisterALU, (0,0),{})
, 0o46 : ("xor" , RegisterALU, (0,0),{})
, 0o47 : ("nor" , RegisterALU, (0,0),{})
, 0o52 : ("slt" , RegisterALU, (0,0),{})
, 0o53 : ("sltu" , RegisterALU, (0,0),{})
}
)
, 0o01 : ("unknown", Unknown, BID, # BCOND (REGIMM)
{
0o00 : ("bltz" , Bcond, (0,0),{})
, 0o01 : ("bgez" , Bcond, (0,0),{})
, 0o20 : ("bltzal", Bcond, (0,0),{})
, 0o21 : ("bgezal", Bcond, (0,0),{})
}
)
, 0o02 : ("j" , JType, (0,0),{})
, 0o03 : ("jal" , JType, (0,0),{})
, 0o04 : ("beq" , BranchEqualFmt, (0,0),{})
, 0o05 : ("bne" , BranchEqualFmt, (0,0),{})
, 0o06 : ("blez" , BranchZeroFmt, (0,0),{})
, 0o07 : ("bgtz" , BranchZeroFmt, (0,0),{})
, 0o10 : ("addi" , ImmediateALU, (0,0),{})
, 0o11 : ("addiu", ImmediateALU, (0,0),{})
, 0o12 : ("slti" , ImmediateALU, (0,0),{})
, 0o13 : ("sltiu", ImmediateALU, (0,0),{})
, 0o14 : ("andi" , ImmediateALU, (0,0),{})
, 0o15 : ("ori" , ImmediateALU, (0,0),{})
, 0o16 : ("xori" , ImmediateALU, (0,0),{})
, 0o17 : ("lui" , ImmediateLUI, (0,0),{})
, 0o20 : ("unknown", Unknown, CO, # COP0
{
0o00 : ("unknown", Unknown, MVFUNC,
{
0o00 : ("mfc0", CoprocessorMove, (0,0),{})
, 0o04 : ("mtc0", CoprocessorMove, (0,0),{})
}
)
, 0o01 : ("unknown", Unknown, TLBID, #("cop0", COP, TLBID, # TLB
{
0o01 : ("tlbr" , Empty, (0,0),{})
, 0o02 : ("tlbwi", Empty, (0,0),{})
, 0o06 : ("tlbwr", Empty, (0,0),{})
, 0o10 : ("tlbp" , Empty, (0,0),{})
, 0o20 : ("rfe" , Empty, (0,0),{})
}
)
}
)
# , 0o21 : ("unknown", Unknown, CO, # COP1 (not valid for PSX)
# {
# 0o00 : ("unknown", Unknown, MVFUNC,
# {
# 0o00 : ("mfc1", CoprocessorMove, (0,0),{})
# , 0o02 : ("cfc1", CoprocessorMove, (0,0),{})
# , 0o04 : ("mtc1", CoprocessorMove, (0,0),{})
# , 0o06 : ("ctc1", CoprocessorMove, (0,0),{})
# , 0o10 : ("unknown", Unknown, BID, # BC (cc = 0)
# {
# 0o00 : ("bc1f", BC, (0,0),{})
# , 0o01 : ("bc1t", BC, (0,0),{})
# }
# )
# }
# )
# , 0o01 : ("cop1", COP, (0,0),{})
# }
# )
, 0o22 : ("unknown", Unknown, CO, # COP2 (GTE)
{
0o00 : ("unknown", Unknown, MVFUNC,
{
0o00 : ("mfc2", CoprocessorMove, (0,0),{})
, 0o02 : ("cfc2", CoprocessorMove, (0,0),{})
, 0o04 : ("mtc2", CoprocessorMove, (0,0),{})
, 0o06 : ("ctc2", CoprocessorMove, (0,0),{})
}
)
, 0o01 : ("cop2", COP, (0,0),{})
}
)
# , 0o23 : ("unknown", Unknown, CO, # COP3 (not valid for PSX)
# {
# 0o00 : ("unknown", Unknown, MVFUNC,
# {
# 0o00 : ("mfc3", CoprocessorMove, (0,0),{})
# , 0o02 : ("cfc3", CoprocessorMove, (0,0),{})
# , 0o04 : ("mtc3", CoprocessorMove, (0,0),{})
# , 0o06 : ("ctc3", CoprocessorMove, (0,0),{})
# }
# )
# , 0o01 : ("cop3", COP, (0,0),{})
# }
# )
, 0o40 : ("lb" , LoadStoreInstruction, (0,0),{})
, 0o41 : ("lh" , LoadStoreInstruction, (0,0),{})
, 0o42 : ("lwl" , LoadStoreInstruction, (0,0),{})
, 0o43 : ("lw" , LoadStoreInstruction, (0,0),{})
, 0o44 : ("lbu" , LoadStoreInstruction, (0,0),{})
, 0o45 : ("lhu" , LoadStoreInstruction, (0,0),{})
, 0o46 : ("lwr" , LoadStoreInstruction, (0,0),{})
, 0o50 : ("sb" , LoadStoreInstruction, (0,0),{})
, 0o51 : ("sh" , LoadStoreInstruction, (0,0),{})
, 0o52 : ("swl" , LoadStoreInstruction, (0,0),{})
, 0o53 : ("sw" , LoadStoreInstruction, (0,0),{})
, 0o56 : ("swr" , LoadStoreInstruction, (0,0),{})
# , 0o60 : ("lwc0" , LoadStoreInstruction, (0,0),{}) # not valid for PSX
# , 0o61 : ("lwc1" , LoadStoreInstruction, (0,0),{}) # not valid for PSX
, 0o62 : ("lwc2" , LoadStoreInstruction, (0,0),{})
# , 0o63 : ("lwc3" , LoadStoreInstruction, (0,0),{}) # not valid for PSX
# , 0o70 : ("swc0" , LoadStoreInstruction, (0,0),{}) # not valid for PSX
# , 0o71 : ("swc1" , LoadStoreInstruction, (0,0),{}) # not valid for PSX
, 0o72 : ("swc2" , LoadStoreInstruction, (0,0),{})
# , 0o73 : ("swc3" , LoadStoreInstruction, (0,0),{}) # not valid for PSX
})
def get_argparser():
import argparse
parser = argparse.ArgumentParser(description='SlowR3KA - PSX Disassembler [PS1/Playstation 1] v' + __version__)
parser.add_argument('-v', '--version', action='version', version='%(prog)s ' + __version__)
parser.add_argument('input_path', metavar='INPUT', help='PS-X EXE file or any file')
parser.add_argument('output_path', metavar='OUTPUT', help='text file')
parser.add_argument('-s', '--starting-address', metavar='RAM_ADDR', help='RAM address at the start of a file (default: 0x{:X})'.format(START_ADDR))
fmt_group = parser.add_argument_group('format')
fmt_group.add_argument('-n', '--no-labels', action='store_true', help='don\'t add labels')
fmt_group.add_argument('--psig', action='store_true', help='PSIG compatible format')
group = parser.add_mutually_exclusive_group()
group.add_argument('-f' , nargs=2, metavar=('BEGIN', 'END') , help='file positions')
group.add_argument('-fs', nargs=2, metavar=('BEGIN', 'SIZE'), help='file position and size of code')
group.add_argument('-r' , nargs=2, metavar=('BEGIN', 'END') , help='RAM addresses')
group.add_argument('-rs', nargs=2, metavar=('BEGIN', 'SIZE'), help='RAM address and size of code')
return parser
class PSXDisassembler:
def __init__(self, in_bytes=b""):
self.header = None
self.set_bytes(in_bytes)
self.lines = []
try: # Faster insertion
from blist import blist
self.lines = blist([])
except ImportError:
pass
def set_bytes(self, in_bytes):
self.in_bytes = in_bytes
if self.in_bytes[:8] == b"PS-X EXE":
self.header = PSXHeader(self.in_bytes)
self.start = 0x800
self.end = self.start + self.header.t_size
self.size = self.header.t_size
self.start_pc = self.header.t_addr - self.start
else:
self.start = 0
self.end = len(self.in_bytes)
self.size = self.end
self.set_start_pc()
def set_start_pc(self, sa=None):
if sa is None:
self.start_pc = START_ADDR
else:
self.start_pc = ast.literal_eval(sa)
def set_start(self, start):
self.start = ast.literal_eval(start)
self.size = self.end - self.start
def set_end(self, end):
self.end = ast.literal_eval(end)
self.size = self.end - self.start
def set_start_ram(self, start):
self.start = ast.literal_eval(start) - self.start_pc
self.size = self.end - self.start
def set_end_ram(self, end):
self.end = ast.literal_eval(end) - self.start_pc
self.size = self.end - self.start
def set_size(self, size):
self.size = ast.literal_eval(size)
self.end = self.start + self.size
def process(self, input_path, no_labels=False, psig=False):
global pc, labels, bjal_set
self.start = max(self.start, 0)
self.end = min(self.end, len(self.in_bytes))
self.end = self.start + (self.end - self.start) // 4 * 4
pc = self.start_pc + self.start
labels = []
bjal_set = set()
del self.lines[:]
if psig:
itree[3][0][3][0][3][0] = ("noop", Empty, (0,0),{}) # NOP -> NOOP
line_format = lambda pc, func, inst, data: " {}\n".format(func(inst.upper(), data))
else:
itree[3][0][3][0][3][0] = ("nop", Empty, (0,0),{}) # Revert
line_format = lambda pc, func, inst, data: "0x{:08X} {}\n".format(pc, func(inst.upper(), data))
for word in range(self.start, self.end, 4):
data, = unpack("<I", self.in_bytes[word: word+4])
cur_node = itree
while True:
rule = cur_node[2]
nodes = cur_node[3]
i = shift(data, *rule)
if i in nodes:
cur_node = nodes[i]
else:
inst = cur_node[0]
func = cur_node[1]
self.lines.append(line_format(pc, func, inst, data))
break
pc += 4
if not no_labels:
new_labels = []
for inst_addr, label_addr in labels:
label_a_file = label_addr - self.start_pc
if label_a_file >= self.start and label_a_file < self.end:
new_labels.append((inst_addr, label_addr))
labels = new_labels
if labels:
prefixes = ("label", "func")
for inst_addr, label_addr in labels:
p = prefixes[int(label_addr in bjal_set)]
label_name = "{}_0x{:08X}".format(p, label_addr)
inst_index = (inst_addr - self.start_pc - self.start) // 4
line = self.lines[inst_index].split(" ")
line[-1] = label_name + "\n"
self.lines[inst_index] = " ".join(line)
labels.sort(key=lambda x: x[1], reverse=True)
# Remove duplicates
last = labels[-1]
for i in range(len(labels)-2, -1, -1):
if last[1] == labels[i][1]:
del labels[i]
else:
last = labels[i]
for inst_addr, label_addr in labels:
p = prefixes[int(label_addr in bjal_set)]
label_name = "{}_0x{:08X}".format(p, label_addr)
label_index = (label_addr - self.start_pc - self.start) // 4
self.lines.insert(label_index, label_name + ":\n")
if psig:
import os
import datetime
date = datetime.date.today().strftime("%d.%m.%Y")
psig_header = [
";{} {}\n".format(date, os.path.basename(input_path))
, ";SlowR3KA v{}\n".format(__version__)
, "\n"
, " code_start {:X}\n".format(self.start + self.start_pc)
, " file_index {:X}\n".format(self.start_pc)
, "\n"
]
if self.start_pc == START_ADDR or\
self.start_pc == START_ADDR | 0x80000000:
del psig_header[4] # file_index
self.lines = psig_header + self.lines
return self.lines
def write_to_file(self, output_path):
with open(output_path, "w", encoding="utf-8") as f:
f.writelines(self.lines)
class Application(tk.Frame):
def __init__(self, master=None):
super().__init__(master)
self.pack(padx=8, pady=8, fill="both", expand=True)
self.pd = PSXDisassembler()
ttk.Style().configure("Error.TEntry", foreground="red")
self.create_fonts()
self.create_widgets()
self.create_menu()
self.master.bind("<KeyPress>", self.key_press)
self.preview_pos = 0
def mouse_wheel(e):
self.preview_pos += (4 if e.delta < 0 else -4)
self.update_preview(pos=self.preview_pos)
self.code.bind("<MouseWheel>", mouse_wheel)
self.show_info_id = None
def show_info(self, text, clear=True):
def clear_info():
self.info_var.set("...")
self.show_info_id = None
if self.show_info_id is not None:
self.after_cancel(self.show_info_id)
self.info_var.set(text)
if clear:
self.show_info_id = self.after(3000, clear_info)
def create_fonts(self):
self.font_mono = tkfont.Font(family="Courier", size=10)
fontname = ttk.Style().lookup("TLabel", "font")
self.font_label_bold = tkfont.nametofont(fontname).copy()
self.font_label_bold.configure(weight="bold")
def create_widgets(self):
frame_input_output = tk.Frame(self)
frame_input_output.pack(fill="x")
self.path_input_var = tk.StringVar()
self.path_output_var = tk.StringVar()
for name, var, button_func in (
("Input", self.path_input_var, self.open_input)
, ("Output", self.path_output_var, self.open_output)
):
f = tk.Frame(frame_input_output)
f.pack(fill="x")
tmp = ttk.Label(f, text=name, width=8, anchor="w")
tmp.pack(side="left")
tmp = ttk.Entry(f, textvariable=var)
tmp.pack(side="left", fill="x", expand=True)
setattr(self, name.lower() + "_entry", tmp)
tmp = ttk.Button(f, text="Browse", command=button_func)
tmp.pack(side="left")
frame_left_side = tk.Frame(self)
frame_left_side.pack(anchor="nw", side="left", padx=2, pady=2)
group_range = ttk.LabelFrame(frame_left_side, text="Range")
group_range.pack(anchor="nw")
# Starting address
tmp = ttk.Label(group_range, text="Starting address",
font=self.font_label_bold)
tmp.pack()
def create_label_entry(master, text, var):
f = tk.Frame(master)
f.pack(anchor="w")
tmp = ttk.Label(f, text=text, width=6)
tmp.pack(side="left")
entry = ttk.Entry(f, font=self.font_mono, width=11,
textvariable=var)
entry.pack(side="left", padx=1, pady=1)
return entry
self.sa_var = tk.StringVar()
sa_entry = create_label_entry(group_range, "", self.sa_var)
# RAM addresses
tmp = ttk.Label(group_range, text="RAM addresses",
font=self.font_label_bold)
tmp.pack()
self.rs_var = tk.StringVar()
self.re_var = tk.StringVar()
rs_entry = create_label_entry(group_range, "Start", self.rs_var)
re_entry = create_label_entry(group_range, "End" , self.re_var)
# File positions
tmp = ttk.Label(group_range, text="File positions",
font=self.font_label_bold)
tmp.pack()
self.fs_var = tk.StringVar()
self.fe_var = tk.StringVar()
self.sz_var = tk.StringVar()
fs_entry = create_label_entry(group_range, "Start", self.fs_var)
fe_entry = create_label_entry(group_range, "End" , self.fe_var)
tmp = ttk.Separator(group_range, orient="horizontal")
tmp.pack(fill="x", pady=4)
sz_entry = create_label_entry(group_range, "Size", self.sz_var)
# Update Entry
self.update_in_progress = False
def gen_func(pd_func, var, entry):
entry.configure(style="TEntry")
if self.update_in_progress: return
try:
n = ast.literal_eval(var.get())
if type(n) is not int:
raise ValueError
except (SyntaxError, ValueError):
entry.configure(style="Error.TEntry")
return
pd_func(var.get())
self.update_in_progress = True
self.update_all_vars(var)
self.update_in_progress = False
self.sa_var.trace("w", lambda *args:
gen_func(self.pd.set_start_pc, self.sa_var, sa_entry))
self.rs_var.trace("w", lambda *args:
gen_func(self.pd.set_start_ram, self.rs_var, rs_entry))
self.re_var.trace("w", lambda *args:
gen_func(self.pd.set_end_ram, self.re_var, re_entry))
self.fs_var.trace("w", lambda *args:
gen_func(self.pd.set_start, self.fs_var, fs_entry))
self.fe_var.trace("w", lambda *args:
gen_func(self.pd.set_end, self.fe_var, fe_entry))
self.sz_var.trace("w", lambda *args:
gen_func(self.pd.set_size, self.sz_var, sz_entry))
def load_file(*args):
try:
with open(self.path_input_var.get(), "rb") as f:
in_bytes = f.read()
except (FileNotFoundError, PermissionError):
self.show_info("Input File Error!")
return
self.pd.set_bytes(in_bytes)
self.sa_var.set(hex(self.pd.start_pc))
self.show_info("Input File Loaded")
self.path_input_var.trace("w", load_file)
# Format
group_fmt = ttk.LabelFrame(frame_left_side, text="Format")
group_fmt.pack(anchor="nw", fill="x")
self.labels_var = tk.IntVar(value=1)
self.psig_var = tk.IntVar(value=0)
tmp = ttk.Checkbutton(group_fmt, text="Labels",
variable=self.labels_var)
tmp.pack(anchor="w")
tmp = ttk.Checkbutton(group_fmt, text="PSIG compatible",
variable=self.psig_var)
tmp.pack(anchor="w")
# Process
f = tk.Frame(self)
f.pack(anchor="ne", fill="x")
tmp = ttk.Button(f, text="Disassemble", command=self.process)
tmp.pack(side="right")
self.info_var = tk.StringVar(value="...")
tmp = ttk.Label(f, textvariable=self.info_var,
font=self.font_label_bold)
tmp.pack(side="left", padx=2)
# Code preview
self.code = tk.Text(self, wrap="none", width=34, font=self.font_mono)
self.code.pack(anchor="nw", side="left", padx=2, pady=2,
fill="both", expand=True)
self.code.config(cursor="arrow")
self.code.config(state="disabled")
self.sa_var.set(hex(self.pd.start_pc))
# Code highlight
self.code.config(bg="#272822", fg="#F8F8F2")
self.code.tag_configure("ADDR" , foreground="#808080")
self.code.tag_configure("NUMBER" , foreground="#AE81FF")
self.code.tag_configure("REG" , foreground="#66D9EF")
self.code.tag_configure("JUMP" , foreground="#F92672")
self.code.tag_configure("BRANCH" , foreground="#A6E22E")
self.code.tag_configure("NOP" , foreground="#FD971F")
self.code.tag_configure("UNKNOWN", foreground="#75715E")
def update_all_vars(self, exc=None):
def set_var(var, value):
v = var.get().upper()
r = ""
if v == "" or "X" in v: r = hex(value)
elif "O" in v: r = oct(value)
elif "B" in v: r = bin(value)
else: r = str(value)
var.set(r)
if exc is not self.sa_var:
set_var(self.sa_var, self.pd.start_pc)
if exc is not self.rs_var:
set_var(self.rs_var, self.pd.start + self.pd.start_pc)
if exc is not self.re_var:
set_var(self.re_var, self.pd.end + self.pd.start_pc)
if exc is not self.fs_var:
set_var(self.fs_var, self.pd.start)
if exc is not self.fe_var:
set_var(self.fe_var, self.pd.end)
if exc is not self.sz_var:
set_var(self.sz_var, self.pd.size)
self.update_preview(exc is self.re_var or
exc is self.fe_var or
exc is self.sz_var)
def update_preview(self, show_end=False, pos=None):
text_font = tkfont.nametofont(self.code.cget("font"))
linespace = text_font.metrics('linespace')
code_height = int(self.code.winfo_height() / linespace)
start = self.pd.start
end = self.pd.end
if show_end:
self.pd.set_start(str(max(self.pd.end - code_height*4, start)))
else:
if pos is not None:
self.pd.set_start(str(pos))
self.pd.set_size(str(code_height * 4))
self.preview_pos = self.pd.start
result = self.pd.process("", True)
if result:
result[-1] = result[-1][:-1] # Remove last \n
self.code.config(state="normal")
self.code.delete("1.0", "end")
self.code.insert("end", "".join(result))
self.code.config(state="disabled")
# Code highlight
for i in range(len(result)):
self.code.tag_add("ADDR", "{}.0".format(i+1), "{}.10".format(i+1))
si = result[i].find("0x", 1)
if si > 0:
ei = si + 2
while ei < len(result[i]) and result[i][ei].isalnum():
ei += 1
self.code.tag_add("NUMBER", "{}.{}".format(i+1, si),
"{}.{}".format(i+1, ei))
ei = result[i].find(" ", 11)
if result[i][11] == "J":
self.code.tag_add("JUMP", "{}.11".format(i+1),
"{}.{}".format(i+1, ei))
elif result[i][11] == "B" and result[i][11: 11 + 5] != "BREAK":
self.code.tag_add("BRANCH", "{}.11".format(i+1),
"{}.{}".format(i+1, ei))
elif result[i][11: 11 + 3] == "NOP":
self.code.tag_add("NOP", "{}.11".format(i+1),
"{}.14".format(i+1))
elif result[i][11: ei] == "UNKNOWN":
self.code.tag_add("UNKNOWN", "{}.11".format(i+1),
"{}.{}".format(i+1, ei))
for reg in finditer(r"\W[a-z][a-z0-9]", result[i]):
self.code.tag_add("REG", "{}.{}".format(i+1, reg.start()+1),
"{}.{}".format(i+1, reg.end()))
self.pd.set_start(str(start))
self.pd.set_end(str(end))
def create_menu(self):
menubar = tk.Menu(self.master)
filemenu = tk.Menu(menubar, tearoff=0)
filemenu.add_command(label="Open...", accelerator="Ctrl+O",
command=self.open_input)
filemenu.add_command(label="Reload input file", accelerator="F5",
command=self.reload_input)
filemenu.add_separator()
filemenu.add_command(label="Choose output file...", accelerator="Ctrl+S",
command=self.open_output)
filemenu.add_separator()
filemenu.add_command(label="Exit",
command=self.master.quit)
menubar.add_cascade(label="File", menu=filemenu)
actionmenu = tk.Menu(menubar, tearoff=0)
actionmenu.add_command(label="Disassemble", accelerator="F4",
command=self.process)
menubar.add_cascade(label="Action", menu=actionmenu)
toolsmenu = tk.Menu(menubar, tearoff=0)
toolsmenu.add_command(label="PS-X EXE header...", accelerator="Ctrl+H",
command=self.show_header)
menubar.add_cascade(label="Tools", menu=toolsmenu)
helpmenu = tk.Menu(menubar, tearoff=0)
def cli():
TextDialog(self, "CLI", get_argparser().format_help())
helpmenu.add_command(label="Command-Line Interface", command=cli)
helpmenu.add_command(label="About",
command=lambda: messagebox.showinfo("About", (
"PSX Disassembler\n"
"Program: SlowR3KA v{}\n"
"Author: {}".format(__version__, __author__))))
menubar.add_cascade(label="Help", menu=helpmenu)
self.master.config(menu=menubar)
def key_press(self, e):
#print("keysym={} keycode={} char={} state={} keysym_num={}".format(
# e.keysym, e.keycode, e.char, e.state, e.keysym_num))
TK_SHIFT = 1
TK_CTRL = 4
TK_ALT = 131072
state = e.state & (TK_SHIFT | TK_CTRL | TK_ALT)
if state == 0:
if e.keycode == 115: # F4
self.process()
elif e.keycode == 116: # F5
self.reload_input()
elif state == TK_CTRL: # Ctrl+
if e.keycode == ord("O"):
self.open_input()
elif e.keycode == ord("S"):
self.open_output()
elif e.keycode == ord("H"):
self.show_header()
def process(self):
self.show_info("Wait...", False)
self.update_idletasks()
self.pd.process(self.path_input_var.get(),
not self.labels_var.get(), self.psig_var.get())
try:
self.pd.write_to_file(self.path_output_var.get())
except (FileNotFoundError, PermissionError):
self.show_info("Output File Error!")
return
self.show_info("Done!")
def open_input(self):
filetypes = [("All types", "*"),
("PS-X EXE", "*.exe;*.psx")]
filename = filedialog.askopenfilename(filetypes=filetypes)
if filename != "":
self.path_input_var.set(filename)
self.update_idletasks()
self.input_entry.focus_set()
self.input_entry.xview("end")
self.input_entry.icursor("end")
def reload_input(self):
filename = self.path_input_var.get()
self.path_input_var.set(filename)
def open_output(self):
filetypes = [("Text file", "*.txt"),
("PSIG file", "*.psig"),
("All types", "*")]
if self.psig_var.get():
filetypes[:2] = filetypes[1::-1]
extension = filetypes[0][1].split(".")[-1]
filename = filedialog.asksaveasfilename(filetypes=filetypes,
defaultextension=extension)
if filename != "":
self.path_output_var.set(filename)
self.update_idletasks()
self.output_entry.focus_set()
self.output_entry.xview("end")
self.output_entry.icursor("end")
def show_header(self):
TextDialog(self, "PS-X EXE header", str(self.pd.header))
class TextDialog(tk.Toplevel):
def __init__(self, master=None, title="", text=""):
super().__init__(master)
self.title(title)
self.t = tk.Text(self)
self.t.pack(fill="both", expand=True, padx=8, pady=8)
self.t.config(cursor="arrow")
self.t.insert("end", text)
self.t.config(state="disabled")
self.bind("<Escape>", lambda e: self.destroy())
def main_gui():
root = tk.Tk()
icon_png_base64 = "\
iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAMAAAAoLQ9TAAAAD1BMVEX////AAPCA\
ALAAQPAAAACJZj94AAAARUlEQVR4AXWNAQoAIAwCXfP/b66VGBUp2DyEkFPhQHIo\
EIoF3AXcBXb/LQ7y+WUUhYGVABoryqx3HkSzsTq9fBea2XmpA17fAl1K6MtCAAAA\
AElFTkSuQmCC"
img = tk.PhotoImage(data=icon_png_base64)
root.tk.call('wm', 'iconphoto', root._w, '-default', img)
root.title("SlowR3KA v" + __version__)
app = Application(master=root)
app.mainloop()
def main_cli():
parser = get_argparser()
args = parser.parse_args()
try:
with open(args.input_path, "rb") as f:
in_bytes = f.read()
except (FileNotFoundError, PermissionError) as err:
print("File Error: {}".format(err))
sys.exit(1)
pd = PSXDisassembler(in_bytes)
if args.starting_address:
pd.set_start_pc(args.starting_address)
funs = [(pd.set_start, pd.set_end),
(pd.set_start, pd.set_size),
(pd.set_start_ram, pd.set_end_ram),
(pd.set_start_ram, pd.set_size)]
for i, v in enumerate([args.f, args.fs, args.r, args.rs]):
if v:
funs[i][0](v[0])
funs[i][1](v[1])
break
if pd.header is not None:
print(pd.header)
pd.process(args.input_path, args.no_labels, args.psig)
pd.write_to_file(args.output_path)
if __name__ == '__main__':
if len(sys.argv) < 2:
main_gui()
else:
main_cli()