source/src/vm/fmr50/floppy.h

   1 /*
   2         FUJITSU FMR-50 Emulator 'eFMR-50'
   3         FUJITSU FMR-60 Emulator 'eFMR-60'
   4
   5         Author : Takeda.Toshiya
   6         Date   : 2008.04.30 -
   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_IRQ  0
  19
  20 class MB8877;
  21
  22 class FLOPPY : public DEVICE
  23 {
  24 private:
  25         MB8877 *d_fdc;
  26         DEVICE *d_pic;
  27
  28         int drvreg, drvsel;
  29         bool irq, irqmsk, changed[4];
  30         void update_intr();
  31
  32 public:
  33         FLOPPY(VM_TEMPLATE* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
  34         {
  35                 set_device_name(_T("Floppy I/F"));
  36         }
  37         ~FLOPPY() {}
  38
  39         // common functions
  40         void initialize();
  41         void reset();
  42         void write_io8(uint32_t addr, uint32_t data);
  43         uint32_t read_io8(uint32_t addr);
  44         void write_signal(int id, uint32_t data, uint32_t mask);
  45         void decl_state();
  46         void save_state(FILEIO* state_fio);
  47         bool load_state(FILEIO* state_fio);
  48
  49         // unique functions
  50         void set_context_fdc(MB8877* device)
  51         {
  52                 d_fdc = device;
  53         }
  54         void set_context_pic(DEVICE* device)
  55         {
  56                 d_pic = device;
  57         }
  58         void change_disk(int drv)
  59         {
  60                 changed[drv] = true;
  61         }
  62 };
  63
  64 #endif
  65