source/src/vm/mz5500/sysport.h

   1 /*
   2         SHARP MZ-5500 Emulator 'EmuZ-5500'
   3
   4         Author : Takeda.Toshiya
   5         Date   : 2008.04.10 -
   6
   7         [ system port ]
   8 */
   9
  10 #ifndef _SYSPORT_H_
  11 #define _SYSPORT_H_
  12
  13 #include "../vm.h"
  14 #include "../../emu.h"
  15 #include "../device.h"
  16
  17 class SYSPORT : public DEVICE
  18 {
  19 private:
  20         DEVICE *d_fdc, *d_ctc, *d_sio;
  21         int rst, highden;
  22
  23 public:
  24         SYSPORT(VM* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu) {}
  25         ~SYSPORT() {}
  26
  27         // common functions
  28         void initialize();
  29         void write_io8(uint32 addr, uint32 data);
  30         uint32 read_io8(uint32 addr);
  31         void event_frame();
  32         void save_state(FILEIO* state_fio);
  33         bool load_state(FILEIO* state_fio);
  34
  35         // unique functions
  36         void set_context_fdc(DEVICE* device)
  37         {
  38                 d_fdc = device;
  39         }
  40         void set_context_ctc(DEVICE* device)
  41         {
  42                 d_ctc = device;
  43         }
  44         void set_context_sio(DEVICE* device)
  45         {
  46                 d_sio = device;
  47         }
  48         void nmi_reset()
  49         {
  50                 rst = 20;
  51         }
  52 };
  53
  54 #endif
  55