source/src/vm/pc9801/cpureg.h

   1 /*
   2         NEC PC-9801VX Emulator 'ePC-9801VX'
   3         NEC PC-9801RA Emulator 'ePC-9801RA'
   4         NEC PC-98XA Emulator 'ePC-98XA'
   5         NEC PC-98XL Emulator 'ePC-98XL'
   6         NEC PC-98RL Emulator 'ePC-98RL'
   7
   8         Author : Takeda.Toshiya
   9         Date   : 2017.06.25-
  10
  11         [ cpu regs ]
  12 */
  13
  14 #ifndef _CPUREG_H_
  15 #define _CPUREG_H_
  16
  17 #include "../vm.h"
  18 #include "../../emu.h"
  19 #include "../device.h"
  20
  21 #if defined(SUPPORT_32BIT_ADDRESS)
  22 class I386;
  23 #else
  24 class I286;
  25 #endif
  26
  27 class CPUREG : public DEVICE
  28 {
  29 private:
  30 #if defined(SUPPORT_32BIT_ADDRESS)
  31         I386 *d_cpu;
  32 #else
  33         I286 *d_cpu;
  34 #endif
  35         bool nmi_enabled;
  36
  37 public:
  38         CPUREG(VM* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
  39         {
  40                 set_device_name(_T("CPU I/O"));
  41         }
  42         ~CPUREG() {}
  43
  44         // common functions
  45         void reset();
  46         void write_io8(uint32_t addr, uint32_t data);
  47         uint32_t read_io8(uint32_t addr);
  48         void decl_state();
  49         void save_state(FILEIO* state_fio);
  50         bool load_state(FILEIO* state_fio);
  51
  52         // unique function
  53 #if defined(SUPPORT_32BIT_ADDRESS)
  54         void set_context_cpu(I386* device)
  55 #else
  56         void set_context_cpu(I286* device)
  57 #endif
  58         {
  59                 d_cpu = device;
  60         }
  61 };
  62
  63 #endif
  64