source/src/vm/phc25/memory.h

   1 /*
   2         SANYO PHC-25 Emulator 'ePHC-25'
   3         SEIKO MAP-1010 Emulator 'eMAP-1010'
   4
   5         Author : Takeda.Toshiya
   6         Date   : 2010.08.03-
   7
   8         [ memory ]
   9 */
  10
  11 #ifndef _MEMORY_H_
  12 #define _MEMORY_H_
  13
  14 #include "../vm.h"
  15 #include "../../emu.h"
  16 #include "../device.h"
  17
  18 class MEMORY : public DEVICE
  19 {
  20 private:
  21         DEVICE *d_kbd;
  22
  23         uint8_t rom[0x6000];
  24 #ifdef _MAP1010
  25         uint8_t ram[0x8000];
  26 #else
  27         uint8_t ram[0x4000];
  28 #endif
  29         uint8_t vram[0x1800];
  30
  31         uint8_t wdmy[0x800];
  32         uint8_t rdmy[0x800];
  33         uint8_t* wbank[32];
  34         uint8_t* rbank[32];
  35
  36 public:
  37         MEMORY(VM_TEMPLATE* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
  38         {
  39                 set_device_name(_T("Memory Bus"));
  40         }
  41         ~MEMORY() {}
  42
  43         // common functions
  44         void initialize();
  45         void reset();
  46         void write_data8(uint32_t addr, uint32_t data);
  47         uint32_t read_data8(uint32_t addr);
  48         void decl_state();
  49         void save_state(FILEIO* state_fio);
  50         bool load_state(FILEIO* state_fio);
  51
  52         // unique functions
  53         void set_context_keyboard(DEVICE* device)
  54         {
  55                 d_kbd = device;
  56         }
  57         uint8_t* get_vram()
  58         {
  59                 return vram;
  60         }
  61 };
  62
  63 #endif
  64