From 5959349f341a2380c0c3f41ec40a1e8e0d969d00 Mon Sep 17 00:00:00 2001 From: Hannes Schulze Date: Wed, 29 Jan 2025 14:49:20 +0100 Subject: refactor: move emulation logic into sys --- lib/nes/sys/mapper.hh | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 lib/nes/sys/mapper.hh (limited to 'lib/nes/sys/mapper.hh') diff --git a/lib/nes/sys/mapper.hh b/lib/nes/sys/mapper.hh new file mode 100644 index 0000000..e196b25 --- /dev/null +++ b/lib/nes/sys/mapper.hh @@ -0,0 +1,32 @@ +#pragma once + +#include "nes/sys/types/address.hh" +#include "nes/sys/types/status.hh" + +namespace nes +{ + class cartridge; + + class mapper + { + public: + static auto invalid() -> mapper&; + static auto get(std::uint8_t number) -> mapper&; + + virtual ~mapper() = default; + + mapper(mapper const&) = delete; + mapper(mapper&&) = delete; + auto operator=(mapper const&) -> mapper& = delete; + auto operator=(mapper&&) -> mapper& = delete; + + virtual auto validate(cartridge&) -> status = 0; + virtual auto read_cpu(address, cartridge&) -> std::uint8_t = 0; + virtual auto write_cpu(address, std::uint8_t, cartridge&) -> void = 0; + virtual auto read_ppu(address, cartridge&, std::uint8_t const* vram) -> std::uint8_t = 0; + virtual auto write_ppu(address, std::uint8_t, cartridge&, std::uint8_t* vram) -> void = 0; + + protected: + explicit mapper() = default; + }; +} // namespace nes \ No newline at end of file -- cgit v1.3.1