source/src/vm/mz700/floppy.h

   1 /*
   2         SHARP MZ-800 Emulator 'EmuZ-800'
   3         SHARP MZ-1500 Emulator 'EmuZ-1500'
   4
   5         Author : Takeda.Toshiya
   6         Date   : 2011.05.16-
   7
   8         [ floppy ]
   9 */
  10
  11 #ifndef _FLOPPY_H_
  12 #define _FLOPPY_H_
  13
  14 #include "../vm.h"
  15 #include "../../emu.h"
  16 #include "../device.h"
  17
  18 #define SIG_FLOPPY_DRQ  0
  19
  20 class FLOPPY : public DEVICE
  21 {
  22 private:
  23         DEVICE* d_cpu;
  24         DEVICE* d_fdc;
  25
  26         uint32_t prev_dc;
  27         int register_id;
  28         bool motor_on;
  29         bool irq_enabled;
  30
  31 public:
  32         FLOPPY(VM_TEMPLATE* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
  33         {
  34                 set_device_name(_T("Floppy I/F"));
  35         }
  36         ~FLOPPY() {}
  37
  38         // common functions
  39         void initialize();
  40         void reset();
  41         void write_io8(uint32_t addr, uint32_t data);
  42         void event_callback(int event_id, int err);
  43         void write_signal(int id, uint32_t data, uint32_t mask);
  44         void decl_state();
  45         void save_state(FILEIO* state_fio);
  46         bool load_state(FILEIO* state_fio);
  47
  48         // unique functions
  49         void set_context_cpu(DEVICE* device)
  50         {
  51                 d_cpu = device;
  52         }
  53         void set_context_fdc(DEVICE* device)
  54         {
  55                 d_fdc = device;
  56         }
  57 };
  58
  59 #endif
  60