Creating new accessors

source/quickerNES/core/cpu.hpp

@@ -138,6 +138,11 @@ class Cpu
   {
     return (uint8_t *)code_map[addr >> page_bits] + addr;
   }
+
+   inline const uint8_t *get_code(nes_addr_t addr) const
+  {
+    return (const uint8_t *)code_map[addr >> page_bits] + addr;
+  }
 };
 
 } // namespace quickNES

source/quickerNES/core/emu.hpp

@@ -225,6 +225,17 @@ class Emu
   const char *set_sample_rate(long rate, class Nes_Effects_Buffer *);
   void irq_changed() { emu.irq_changed(); }
 
+  // Palette memory
+  uint8_t *pal_mem() const { return emu.ppu.getPaletteRAM(); }
+  uint16_t pal_mem_size() const { return emu.ppu.getPaletteRAMSize(); }
+
+	uint8_t peek_prg(nes_addr_t addr) const { return *emu.get_code(addr); }
+	void poke_prg(nes_addr_t addr, uint8_t value) { *emu.get_code(addr) = value; }
+	uint8_t peek_ppu(int addr) { return emu.ppu.peekaddr(addr); }
+
+	uint8_t get_ppu2000() const { return emu.ppu.w2000; }
+
+
   private:
   frame_t *frame_;
   int buffer_height_;

source/quickerNES/core/ppu/ppuImpl.hpp

@@ -89,10 +89,27 @@ class Ppu_Impl : public ppu_state_t
   };
   impl_t *impl;
 
+  long map_chr_addr_peek( unsigned a ) const
+	{
+		return chr_pages[a / chr_page_size] + a;
+	}
+  
+  int peekaddr(int addr)
+  {
+    if (addr < 0x2000)
+      return chr_data[map_chr_addr_peek(addr)];
+    else
+      return get_nametable(addr)[addr & 0x3ff];
+  }
+
   static const uint16_t scanline_len = 341;
 
   uint8_t *getSpriteRAM() const { return (uint8_t*)spr_ram; }
   uint16_t getSpriteRAMSize() const { return spr_ram_size; }
+    
+  uint8_t *getPaletteRAM() const { return (uint8_t*)palette; }
+  uint16_t getPaletteRAMSize() const { return sizeof(palette); }
+
   uint8_t spr_ram[spr_ram_size];
   void all_tiles_modified();