From 8849fb2b2b8dc824bd3f17ce1026a04856477a94 Mon Sep 17 00:00:00 2001
From: Jordan Wiens <jordan@psifertex.com>
Date: Sun, 4 Mar 2018 18:08:04 -0500
Subject: working division, prints, and metaclasses, but imports broken, still
 needs work

---
 python/examples/nsf.py | 145 -------------------------------------------------
 1 file changed, 145 deletions(-)
 delete mode 100644 python/examples/nsf.py

(limited to 'python/examples/nsf.py')

diff --git a/python/examples/nsf.py b/python/examples/nsf.py
deleted file mode 100644
index b0164065..00000000
--- a/python/examples/nsf.py
+++ /dev/null
@@ -1,145 +0,0 @@
-# Copyright (c) 2015-2017 Vector 35 LLC
-#
-# Permission is hereby granted, free of charge, to any person obtaining a copy
-# of this software and associated documentation files (the "Software"), to
-# deal in the Software without restriction, including without limitation the
-# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
-# sell copies of the Software, and to permit persons to whom the Software is
-# furnished to do so, subject to the following conditions:
-#
-# The above copyright notice and this permission notice shall be included in
-# all copies or substantial portions of the Software.
-#
-# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
-# IN THE SOFTWARE.
-#
-#
-# Simple NSF file loader, primarily for analyzing:
-# https://scarybeastsecurity.blogspot.com/2016/11/0day-exploit-compromising-linux-desktop.html
-#
-
-from binaryninja.binaryview import BinaryView
-from binaryninja.architecture import Architecture
-from binaryninja.log import log_error, log_info
-from binaryninja.types import Symbol
-from binaryninja.enums import SymbolType, SegmentFlag
-
-import struct
-import traceback
-
-
-class NSFView(BinaryView):
-	name = "NSF"
-	long_name = "Nintendo Sound Format"
-
-	def __init__(self, data):
-		BinaryView.__init__(self, parent_view=data, file_metadata=data.file)
-		self.platform = Architecture["6502"].standalone_platform
-
-	@classmethod
-	def is_valid_for_data(self, data):
-		hdr = data.read(0, 128)
-		if len(hdr) < 128:
-			return False
-		if hdr[0:5] != "NESM\x1a":
-			return False
-		song_count = struct.unpack("B", hdr[6])[0]
-		if song_count < 1:
-			log_info("Appears to be an NSF, but no songs.")
-			return False
-		return True
-
-	def init(self):
-		try:
-			hdr = self.parent_view.read(0, 128)
-			self.version = struct.unpack("B", hdr[5])[0]
-			self.song_count = struct.unpack("B", hdr[6])[0]
-			self.starting_song = struct.unpack("B", hdr[7])[0]
-			self.load_address = struct.unpack("<H", hdr[8:10])[0]
-			self.init_address = struct.unpack("<H", hdr[10:12])[0]
-			self.play_address = struct.unpack("<H", hdr[12:14])[0]
-			self.song_name = hdr[15].split('\0')[0]
-			self.artist_name = hdr[46].split('\0')[0]
-			self.copyright_name = hdr[78].split('\0')[0]
-			self.play_speed_ntsc = struct.unpack("<H", hdr[110:112])[0]
-			self.bank_switching = hdr[112:120]
-			self.play_speed_pal = struct.unpack("<H", hdr[120:122])[0]
-			self.pal_ntsc_bits = struct.unpack("B", hdr[122])[0]
-			self.pal = True if (self.pal_ntsc_bits & 1) == 1 else False
-			self.ntsc = not self.pal
-			if self.pal_ntsc_bits & 2 == 2:
-				self.pal = True
-				self.ntsc = True
-			self.extra_sound_bits = struct.unpack("B", hdr[123])[0]
-
-			if self.bank_switching == "\0" * 8:
-				# no bank switching
-				self.load_address & 0xFFF
-				self.rom_offset = 128
-
-			else:
-				# bank switching not implemented
-				log_info("Bank switching not implemented in this loader.")
-
-			# Add mapping for RAM and hardware registers, not backed by file contents
-			self.add_auto_segment(0, 0x8000, 0, 0, SegmentFlag.SegmentReadable | SegmentFlag.SegmentWritable | SegmentFlag.SegmentExecutable)
-
-			# Add ROM mappings
-			self.add_auto_segment(0x8000, 0x4000, self.rom_offset, 0x4000,
-				SegmentFlag.SegmentReadable | SegmentFlag.SegmentExecutable)
-
-			self.define_auto_symbol(Symbol(SymbolType.FunctionSymbol, self.play_address, "_play"))
-			self.define_auto_symbol(Symbol(SymbolType.FunctionSymbol, self.init_address, "_init"))
-			self.add_entry_point(self.init_address)
-			self.add_function(self.play_address)
-
-			# Hardware registers
-			self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x2000, "PPUCTRL"))
-			self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x2001, "PPUMASK"))
-			self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x2002, "PPUSTATUS"))
-			self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x2003, "OAMADDR"))
-			self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x2004, "OAMDATA"))
-			self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x2005, "PPUSCROLL"))
-			self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x2006, "PPUADDR"))
-			self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x2007, "PPUDATA"))
-			self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4000, "SQ1_VOL"))
-			self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4001, "SQ1_SWEEP"))
-			self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4002, "SQ1_LO"))
-			self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4003, "SQ1_HI"))
-			self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4004, "SQ2_VOL"))
-			self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4005, "SQ2_SWEEP"))
-			self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4006, "SQ2_LO"))
-			self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4007, "SQ2_HI"))
-			self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4008, "TRI_LINEAR"))
-			self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x400a, "TRI_LO"))
-			self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x400b, "TRI_HI"))
-			self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x400c, "NOISE_VOL"))
-			self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x400e, "NOISE_LO"))
-			self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x400f, "NOISE_HI"))
-			self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4010, "DMC_FREQ"))
-			self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4011, "DMC_RAW"))
-			self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4012, "DMC_START"))
-			self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4013, "DMC_LEN"))
-			self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4014, "OAMDMA"))
-			self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4015, "SND_CHN"))
-			self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4016, "JOY1"))
-			self.define_auto_symbol(Symbol(SymbolType.DataSymbol, 0x4017, "JOY2"))
-
-			return True
-		except:
-			log_error(traceback.format_exc())
-			return False
-
-	def perform_is_executable(self):
-		return True
-
-	def perform_get_entry_point(self):
-		return struct.unpack("<H", str(self.perform_read(0x0a, 2)))[0]
-
-
-NSFView.register()
-- 
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