restructure project

1 files changed, 0 insertions, 70 deletions

diff --git a/src/nes/cartridge.cc b/src/nes/cartridge.cc
deleted file mode 100644
index 861dc13..0000000
--- a/src/nes/cartridge.cc
+++ /dev/null
@@ -1,70 +0,0 @@
-#include "nes/cartridge.hh"
-#include <fstream>
-
-namespace nes
-{
-	namespace
-	{
-		constexpr auto prg_rom_bank_size = std::size_t{ 16 * 1024 };
-		constexpr auto chr_rom_bank_size = std::size_t{ 8 * 1024 };
-		constexpr auto ram_bank_size = std::size_t{ 8 * 1024 };
-	} // namespace
-
-	auto cartridge::from_data(void const* data, std::size_t const length) -> cartridge
-	{
-		// See: https://www.nesdev.org/wiki/INES
-
-		auto const bytes = static_cast<std::uint8_t const*>(data);
-		auto res = cartridge{};
-		res.is_valid_ = true;
-
-		// Parse header.
-		if (length < 16) { return cartridge{}; }
-		if (bytes[0] != 'N' || bytes[1] != 'E' || bytes[2] != 'S' || bytes[3] != 0x1A) { return cartridge{}; }
-		auto const prg_rom_banks = bytes[4];
-		auto const chr_rom_banks = bytes[5];
-		auto const control_1 = bytes[6];
-		auto const control_2 = bytes[7];
-		auto const ram_banks = (bytes[8] != 0) ? bytes[8] : 1;
-		auto const has_trainer = (control_1 & 0b00000100) != 0;
-
-		res.mapper_number_ =
-			(control_1 & 0b11110000) >> 4 |
-			(control_2 & 0b11110000) >> 0;
-		res.name_table_arrangement_ = (control_1 & 0b00000001) != 0
-			? name_table_arrangement::vertical
-			: name_table_arrangement::horizontal;
-
-		// Load program data.
-		auto offset = std::size_t{ 16 };
-		if (has_trainer) { offset += 512; }
-
-		auto const prg_rom_size = prg_rom_banks * prg_rom_bank_size;
-		if (length < offset + prg_rom_size) { return cartridge{}; }
-		res.prg_rom_ = std::vector(&bytes[offset], &bytes[offset + prg_rom_size]);
-
-		offset += prg_rom_size;
-
-		auto const chr_rom_size = chr_rom_banks * chr_rom_bank_size;
-		if (length < offset + chr_rom_size) { return cartridge{}; }
-		res.chr_rom_ = std::vector(&bytes[offset], &bytes[offset + chr_rom_size]);
-
-		res.ram_ = std::vector(ram_banks * ram_bank_size, std::uint8_t{ 0 });
-
-		return res;
-	}
-
-	auto cartridge::from_file(std::string_view const path) -> cartridge
-	{
-		auto stream = std::ifstream{ path, std::ios::binary };
-		if (!stream.good()) { return cartridge{}; }
-
-		stream.seekg(0, std::ios::end);
-		auto const length = stream.tellg();
-		stream.seekg(0, std::ios::beg);
-		auto data = std::vector<std::uint8_t>(length);
-		stream.read(reinterpret_cast<char*>(data.data()), data.size());
-
-		return from_data(data.data(), data.size());
-	}
-} // namespace nes
\ No newline at end of file