added support for sms carts

Author: finger563

main/main.cpp

@@ -24,6 +24,7 @@
 
 #include "gbc_cart.hpp"
 #include "nes_cart.hpp"
+#include "sms_cart.hpp"
 #include "heap_utils.hpp"
 #include "string_utils.hpp"
 #include "fs_init.hpp"
@@ -67,7 +68,13 @@ std::unique_ptr<Cart> make_cart(const RomInfo& info) {
         .display = display,
         .verbosity = espp::Logger::Verbosity::WARN
       });
-  default:
+  case Emulator::SEGA_MASTER_SYSTEM:
+  case Emulator::SEGA_GAME_GEAR:
+    return std::make_unique<SmsCart>(Cart::Config{
+        .info = info,
+        .display = display,
+        .verbosity = espp::Logger::Verbosity::WARN
+      });  default:
     return nullptr;
   }
 }

main/rom_info.cpp

@@ -43,12 +43,24 @@ std::vector<RomInfo> parse_metadata(const std::string& metadata_path) {
     }
     fmt::print("INFO: '{}', '{}', '{}'\n", rom_path, boxart_path, name);
     Emulator platform = Emulator::UNKNOWN;
-    if (endsWith(rom_path, ".nes")) {
+    if (endsWith(rom_path, ".nes")) { // nes
       platform = Emulator::NES;
-    } else if (endsWith(rom_path, ".gb")) {
+    } else if (endsWith(rom_path, ".gb")) { // game boy
       platform = Emulator::GAMEBOY;
-    } else if (endsWith(rom_path, ".gbc")) {
+    } else if (endsWith(rom_path, ".gbc")) { // game boy color
       platform = Emulator::GAMEBOY_COLOR;
+    } else if (endsWith(rom_path, ".sms")) { // sega master system
+      platform = Emulator::SEGA_MASTER_SYSTEM;
+    } else if (endsWith(rom_path, ".gg")) { // sega game gear
+      platform = Emulator::SEGA_GAME_GEAR;
+    } else if (endsWith(rom_path, ".gen")) { // genesis
+      platform = Emulator::GENESIS;
+    } else if (endsWith(rom_path, ".sfc")) { // snes
+      platform = Emulator::SNES;
+    } else if (endsWith(rom_path, ".rom")) { // msx
+      platform = Emulator::MSX;
+    } else if (endsWith(rom_path, ".wad")) { // doom
+      platform = Emulator::DOOM;
     }
     if (platform != Emulator::UNKNOWN) {
       // for each row, create rom entry

main/rom_info.hpp

@@ -7,7 +7,7 @@
 #include "format.hpp"
 #include "string_utils.hpp"
 
-enum class Emulator { UNKNOWN, NES, GAMEBOY, GAMEBOY_COLOR, SEGA_MASTER_SYSTEM, GENESIS, SNES };
+enum class Emulator { UNKNOWN, NES, GAMEBOY, GAMEBOY_COLOR, SEGA_MASTER_SYSTEM, SEGA_GAME_GEAR, GENESIS, SNES, MSX, DOOM };
 
 struct RomInfo {
   std::string name;

main/sms_cart.hpp

@@ -0,0 +1,99 @@
+#pragma once
+
+#include "cart.hpp"
+#include "sms.hpp"
+
+class SmsCart : public Cart {
+public:
+
+  SmsCart(const Cart::Config& config)
+    : Cart(config) {
+    init();
+  }
+
+  ~SmsCart() {
+    deinit();
+  }
+
+  virtual void reset() override {
+    Cart::reset();
+    reset_sms();
+  }
+
+  virtual void load() override {
+    Cart::load();
+    load_sms(get_save_path());
+  }
+
+  virtual void save() override {
+    Cart::save();
+    save_sms(get_save_path(true));
+  }
+
+  virtual void init() override {
+    Cart::init();
+    init_sms(get_rom_filename(), romdata_, rom_size_bytes_);
+    start_sms_tasks();
+  }
+
+  virtual void deinit() override {
+    stop_sms_tasks();
+    deinit_sms();
+  }
+
+  virtual bool run() override {
+    run_sms_rom();
+    return Cart::run();
+  }
+
+protected:
+  // SMS
+  static constexpr size_t SMS_WIDTH = 256;
+  static constexpr size_t SMS_HEIGHT = 192;
+
+  virtual void pre_menu() override {
+    Cart::pre_menu();
+    logger_.info("sms::pre_menu()");
+    stop_sms_tasks();
+  }
+
+  virtual void post_menu() override {
+    Cart::post_menu();
+    logger_.info("sms::post_menu()");
+    start_sms_tasks();
+  }
+
+  virtual void set_original_video_setting() override {
+    logger_.info("sms::video: original");
+    set_sms_video_original();
+  }
+
+  virtual std::pair<size_t, size_t> get_video_size() const override {
+    return std::make_pair(SMS_WIDTH, SMS_HEIGHT);
+  }
+
+  virtual std::vector<uint8_t> get_video_buffer() const override {
+    return get_sms_video_buffer();
+  }
+
+  virtual void set_fit_video_setting() override {
+    logger_.info("sms::video: fit");
+    set_sms_video_fit();
+  }
+
+  virtual void set_fill_video_setting() override {
+    logger_.info("sms::video: fill");
+    set_sms_video_fill();
+  }
+
+  virtual std::string get_save_extension() const override {
+    switch (info_.platform) {
+    case Emulator::SEGA_MASTER_SYSTEM:
+      return "_sms.sav";
+    case Emulator::SEGA_GAME_GEAR:
+      return "_gg.sav";
+    default:
+      return Cart::get_save_extension();
+    }
+  }
+};