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 namespace MZ5500 {
  18
  19 class SYSPORT : public DEVICE
  20 {
  21 private:
  22         DEVICE *d_fdc, *d_ctc, *d_sio;
  23         int rst, highden;
  24
  25 public:
  26         SYSPORT(VM_TEMPLATE* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
  27         {
  28                 set_device_name(_T("System I/O"));
  29         }
  30         ~SYSPORT() {}
  31
  32         // common functions
  33         void initialize();
  34         void write_io8(uint32_t addr, uint32_t data);
  35         uint32_t read_io8(uint32_t addr);
  36         void event_frame();
  37         bool process_state(FILEIO* state_fio, bool loading);
  38
  39         // unique functions
  40         void set_context_fdc(DEVICE* device)
  41         {
  42                 d_fdc = device;
  43         }
  44         void set_context_ctc(DEVICE* device)
  45         {
  46                 d_ctc = device;
  47         }
  48         void set_context_sio(DEVICE* device)
  49         {
  50                 d_sio = device;
  51         }
  52         void nmi_reset()
  53         {
  54                 rst = 20;
  55         }
  56 };
  57
  58 }
  59 #endif
  60