source/src/vm/z80tvgame/memory.h

   1 /*
   2         Homebrew Z80 TV GAME SYSTEM Emulator 'eZ80TVGAME'
   3
   4         Author : Takeda.Toshiya
   5         Date   : 2015.04.28-
   6
   7         [ memory ]
   8 */
   9
  10 // http://w01.tp1.jp/~a571632211/z80tvgame/index.html
  11
  12 #ifndef _MEMORY_H_
  13 #define _MEMORY_H_
  14
  15 #include "../vm.h"
  16 #include "../../emu.h"
  17 #include "../device.h"
  18
  19 class MEMORY : public DEVICE
  20 {
  21 private:
  22         // memory
  23         uint8_t rom[0x8000];
  24         uint8_t ram[0x6000];
  25         uint8_t wdmy[0x1000];
  26         uint8_t rdmy[0x1000];
  27         uint8_t* wbank[16];
  28         uint8_t* rbank[16];
  29
  30         bool inserted;
  31
  32 public:
  33         MEMORY(VM_TEMPLATE* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
  34         {
  35                 set_device_name(_T("Memory Bus"));
  36         }
  37         ~MEMORY() {}
  38
  39         // common functions
  40         void initialize();
  41         void reset();
  42         void write_data8(uint32_t addr, uint32_t data);
  43         uint32_t read_data8(uint32_t addr);
  44         void decl_state();
  45         void save_state(FILEIO* state_fio);
  46         bool load_state(FILEIO* state_fio);
  47
  48         // unique functions
  49         void open_cart(const _TCHAR* file_path);
  50         void close_cart();
  51         bool is_cart_inserted()
  52         {
  53                 return inserted;
  54         }
  55         void draw_screen();
  56 };
  57
  58 #endif
  59