Updating ROM library object

src/Application/Utils/ROM.cc

@@ -4,6 +4,8 @@ namespace yaze {
 namespace Application {
 namespace Utils {
 
+using namespace Graphics;
+
 void ROM::LoadFromFile(const std::string& path) {
   std::cout << "filename: " << path << std::endl;
   std::ifstream stream(path, std::ios::in | std::ios::binary);
@@ -32,6 +34,32 @@ int ROM::SnesToPc(int addr) {
   return (temp + 0x0);
 }
 
+// TODO: FIXME
+int ROM::PcToSnes(int addr) {
+  byte b[4];
+  // = BitConverter.GetBytes(addr)
+  b[2] = (byte)(b[2] * 2);
+
+  if (b[1] >= 0x80) {
+    b[2] += 1;
+  } else {
+    b[1] += 0x80;
+  }
+
+  //return BitConverter.ToInt32(b, 0);
+  // snes always have + 0x8000 no matter what, the bank on pc is always / 2
+
+  return ((addr * 2) & 0xFF0000) + (addr & 0x7FFF) + 0x8000;
+}
+
+int ROM::AddressFromBytes(byte addr1, byte addr2, byte addr3) {
+  return (addr1 << 16) | (addr2 << 8) | addr3;
+}
+
+short ROM::AddressFromBytes(byte addr1, byte addr2) {
+  return (short)((addr1 << 8) | (addr2));
+}
+
 void ROM::Write(int addr, byte value) { working_rom_[addr] = value; }
 
 void ROM::WriteLong(int addr, int value) {

src/Application/Utils/ROM.h

@@ -11,7 +11,7 @@
 #include <vector>
 
 #include "Core/Constants.h"
-#include "Data/Tile.h"
+#include "Graphics/Tile.h"
 
 namespace yaze {
 namespace Application {
@@ -19,29 +19,28 @@ namespace Utils {
 
 using byte = unsigned char;
 using ushort = unsigned short;
-using namespace Data;
 
 class ROM {
  public:
   int SnesToPc(int addr);
+  int PcToSnes(int addr);
+  int AddressFromBytes(byte addr1, byte addr2, byte addr3);
+  short AddressFromBytes(byte addr1, byte addr2);
   ushort ReadShort(int addr);
   void Write(int addr, byte value);
   short ReadReverseShort(int addr);
   ushort ReadByte(int addr);
   short ReadRealShort(int addr);
-  Tile16 ReadTile16(int addr);
+  Graphics::Tile16 ReadTile16(int addr);
   void WriteShort(int addr, int value);
   int ReadLong(int addr);
-  void WriteLong(int addr, int value) ;
+  void WriteLong(int addr, int value);
   void LoadFromFile(const std::string& path);
-  inline const char * GetRawData() {
-    return working_rom_.data();
-  }
+  inline const char* GetRawData() { return working_rom_.data(); }
 
  private:
   std::vector<char> original_rom_;
   std::vector<char> working_rom_;
-
 };
 
 }  // namespace Utils