source/src/vm/pc9801/floppy.h

   1 /*
   2         NEC PC-9801 Emulator 'ePC-9801'
   3         NEC PC-9801E/F/M Emulator 'ePC-9801E'
   4         NEC PC-9801U Emulator 'ePC-9801U'
   5         NEC PC-9801VF Emulator 'ePC-9801VF'
   6         NEC PC-9801VM Emulator 'ePC-9801VM'
   7         NEC PC-9801VX Emulator 'ePC-9801VX'
   8         NEC PC-9801RA Emulator 'ePC-9801RA'
   9         NEC PC-98XA Emulator 'ePC-98XA'
  10         NEC PC-98XL Emulator 'ePC-98XL'
  11         NEC PC-98RL Emulator 'ePC-98RL'
  12         NEC PC-98DO Emulator 'ePC-98DO'
  13
  14         Author : Takeda.Toshiya
  15         Date   : 2010.09.15-
  16
  17         [ floppy ]
  18 */
  19
  20 #ifndef _FLOPPY_H_
  21 #define _FLOPPY_H_
  22
  23 #include "../vm.h"
  24 #include "../../emu.h"
  25 #include "../device.h"
  26
  27 #if defined(SUPPORT_2HD_FDD_IF)
  28 #define SIG_FLOPPY_2HD_IRQ      0
  29 #define SIG_FLOPPY_2HD_DRQ      1
  30 #endif
  31 #if defined(SUPPORT_2DD_FDD_IF)
  32 #define SIG_FLOPPY_2DD_IRQ      2
  33 #define SIG_FLOPPY_2DD_DRQ      3
  34 #endif
  35 #if defined(SUPPORT_2HD_2DD_FDD_IF)
  36 #define SIG_FLOPPY_IRQ  0
  37 #define SIG_FLOPPY_DRQ  1
  38 #endif
  39
  40 class UPD765A;
  41
  42 class FLOPPY : public DEVICE
  43 {
  44 private:
  45 #if defined(SUPPORT_2HD_FDD_IF)
  46         UPD765A *d_fdc_2hd;
  47         uint8_t ctrlreg_2hd;
  48 #endif
  49 #if defined(SUPPORT_2DD_FDD_IF)
  50         UPD765A *d_fdc_2dd;
  51         uint8_t ctrlreg_2dd;
  52 #endif
  53 #if defined(SUPPORT_2HD_2DD_FDD_IF)
  54         UPD765A *d_fdc;
  55         uint8_t ctrlreg, modereg;
  56 #endif
  57         DEVICE *d_dma, *d_pic;
  58
  59         int timer_id;
  60
  61 public:
  62         FLOPPY(VM_TEMPLATE* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
  63         {
  64                 set_device_name(_T("Floppy I/F"));
  65         }
  66         ~FLOPPY() {}
  67
  68         // common functions
  69         void reset();
  70         void write_io8(uint32_t addr, uint32_t data);
  71         uint32_t read_io8(uint32_t addr);
  72         void write_signal(int id, uint32_t data, uint32_t mask);
  73         void event_callback(int event_id, int err);
  74         bool process_state(FILEIO* state_fio, bool loading);
  75
  76         // unique functions
  77 #if defined(SUPPORT_2HD_FDD_IF)
  78         void set_context_fdc_2hd(UPD765A* device)
  79         {
  80                 d_fdc_2hd = device;
  81         }
  82 #endif
  83 #if defined(SUPPORT_2DD_FDD_IF)
  84         void set_context_fdc_2dd(UPD765A* device)
  85         {
  86                 d_fdc_2dd = device;
  87         }
  88 #endif
  89 #if defined(SUPPORT_2HD_2DD_FDD_IF)
  90         void set_context_fdc(UPD765A* device)
  91         {
  92                 d_fdc = device;
  93         }
  94 #endif
  95         void set_context_dma(DEVICE* device)
  96         {
  97                 d_dma = device;
  98         }
  99         void set_context_pic(DEVICE* device)
 100         {
 101                 d_pic = device;
 102         }
 103 };
 104
 105 #endif
 106