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-rw-r--r--lib/nes/cartridge.hh17
1 files changed, 13 insertions, 4 deletions
diff --git a/lib/nes/cartridge.hh b/lib/nes/cartridge.hh
index 3ce2a16..13c3594 100644
--- a/lib/nes/cartridge.hh
+++ b/lib/nes/cartridge.hh
@@ -1,5 +1,7 @@
#pragma once
+#include "nes/util/status.hh"
+#include "nes/mapper.hh"
#include <cstddef>
#include <vector>
#include <string_view>
@@ -14,12 +16,16 @@ namespace nes
class cartridge
{
- bool is_valid_{ false };
+ static constexpr auto prg_rom_bank_size = std::size_t{ 16 * 1024 };
+ static constexpr auto chr_rom_bank_size = std::size_t{ 8 * 1024 };
+ static constexpr auto ram_bank_size = std::size_t{ 8 * 1024 };
+
+ status status_{ status::error_uninitialized };
std::vector<std::uint8_t> prg_rom_;
std::vector<std::uint8_t> chr_rom_;
std::vector<std::uint8_t> ram_;
- std::uint8_t mapper_number_{ 0 };
name_table_arrangement name_table_arrangement_{};
+ mapper* mapper_{ &mapper::invalid() };
public:
explicit cartridge() = default;
@@ -27,7 +33,7 @@ namespace nes
static auto from_data(void const* data, std::size_t length) -> cartridge;
static auto from_file(std::string_view path) -> cartridge;
- auto is_valid() const -> bool { return is_valid_; }
+ auto get_status() const -> status { return status_; }
auto get_prg_rom() const -> std::uint8_t const* { return prg_rom_.data(); }
auto get_prg_rom_length() const -> std::size_t { return prg_rom_.size(); }
auto get_chr_rom() const -> std::uint8_t const* { return chr_rom_.data(); }
@@ -35,7 +41,10 @@ namespace nes
auto get_ram() const -> std::uint8_t const* { return ram_.data(); }
auto get_ram_mut() -> std::uint8_t* { return ram_.data(); }
auto get_ram_length() const -> std::size_t { return ram_.size(); }
- auto get_mapper_number() const -> std::uint8_t { return mapper_number_; }
+ auto get_mapper() const -> mapper& { return *mapper_; }
auto get_name_table_arrangement() const -> name_table_arrangement { return name_table_arrangement_; }
+
+ private:
+ explicit cartridge(status);
};
} // namespace nes \ No newline at end of file