PPU upgrades, move Memory to own dir

src/app/emu/snes.h

@@ -1,11 +1,17 @@
+#include <SDL_mixer.h>
+
 #include <cstdint>
+#include <memory>
 #include <string>
+#include <thread>
 
 #include "app/emu/audio/apu.h"
 #include "app/emu/audio/spc700.h"
 #include "app/emu/clock.h"
 #include "app/emu/cpu.h"
 #include "app/emu/debug/debugger.h"
+#include "app/emu/memory/dma.h"
+#include "app/emu/memory/memory.h"
 #include "app/emu/video/ppu.h"
 #include "app/rom.h"
 
@@ -13,52 +19,6 @@ namespace yaze {
 namespace app {
 namespace emu {
 
-// Direct Memory Address
-class DMA {
- public:
-  DMA() {
-    // Initialize DMA and HDMA channels
-    for (int i = 0; i < 8; ++i) {
-      channels[i].DMAPn = 0;
-      channels[i].BBADn = 0;
-      channels[i].UNUSEDn = 0;
-      channels[i].A1Tn = 0xFFFFFF;
-      channels[i].DASn = 0xFFFF;
-      channels[i].A2An = 0xFFFF;
-      channels[i].NLTRn = 0xFF;
-    }
-  }
-
-  // DMA Transfer Modes
-  enum class DMA_TRANSFER_TYPE {
-    OAM,
-    PPUDATA,
-    CGDATA,
-    FILL_VRAM,
-    CLEAR_VRAM,
-    RESET_VRAM
-  };
-
-  // Functions for handling DMA and HDMA transfers
-  void StartDMATransfer(uint8_t channels);
-  void EnableHDMATransfers(uint8_t channels);
-
-  // Structure for DMA and HDMA channel registers
-  struct Channel {
-    uint8_t DMAPn;    // DMA/HDMA parameters
-    uint8_t BBADn;    // B-bus address
-    uint8_t UNUSEDn;  // Unused byte
-    uint32_t A1Tn;    // DMA Current Address / HDMA Table Start Address
-    uint16_t DASn;    // DMA Byte-Counter / HDMA indirect table address
-    uint16_t A2An;    // HDMA Table Current Address
-    uint8_t NLTRn;    // HDMA Line-Counter
-  };
-  Channel channels[8];
-
-  uint8_t MDMAEN = 0;  // Start DMA transfer
-  uint8_t HDMAEN = 0;  // Enable HDMA transfers
-};
-
 class SNES : public DMA {
  public:
   SNES() = default;
@@ -118,13 +78,13 @@ class SNES : public DMA {
   ROMInfo rom_info_;
   Debugger debugger;
 
+  // Currently loaded ROM
   std::vector<uint8_t> rom_data;
 
   // Byte flag to indicate if the VBlank routine should be executed or not
   std::atomic<bool> v_blank_flag_;
 
-  // 32-bit counter to track the number of NMI interrupts (useful for clocks and
-  // timers)
+  // 32-bit counter to track the number of NMI interrupts
   std::atomic<uint32_t> frame_counter_;
 
   // Other private member variables