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 namespace PC9801 {
  43
  44 class FLOPPY : public DEVICE
  45 {
  46 private:
  47 #if defined(SUPPORT_2HD_FDD_IF)
  48         UPD765A *d_fdc_2hd;
  49         uint8_t ctrlreg_2hd;
  50 #endif
  51 #if defined(SUPPORT_2DD_FDD_IF)
  52         UPD765A *d_fdc_2dd;
  53         uint8_t ctrlreg_2dd;
  54 #endif
  55 #if defined(SUPPORT_2HD_2DD_FDD_IF)
  56         UPD765A *d_fdc;
  57         uint8_t ctrlreg, modereg;
  58 #endif
  59         DEVICE *d_dma, *d_pic;
  60
  61         int timer_id;
  62
  63 public:
  64         FLOPPY(VM_TEMPLATE* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
  65         {
  66                 set_device_name(_T("Floppy I/F"));
  67         }
  68         ~FLOPPY() {}
  69
  70         // common functions
  71         void reset();
  72         void write_io8(uint32_t addr, uint32_t data);
  73         uint32_t read_io8(uint32_t addr);
  74         void write_signal(int id, uint32_t data, uint32_t mask);
  75         void event_callback(int event_id, int err);
  76         bool process_state(FILEIO* state_fio, bool loading);
  77
  78         // unique functions
  79 #if defined(SUPPORT_2HD_FDD_IF)
  80         void set_context_fdc_2hd(UPD765A* device)
  81         {
  82                 d_fdc_2hd = device;
  83         }
  84 #endif
  85 #if defined(SUPPORT_2DD_FDD_IF)
  86         void set_context_fdc_2dd(UPD765A* device)
  87         {
  88                 d_fdc_2dd = device;
  89         }
  90 #endif
  91 #if defined(SUPPORT_2HD_2DD_FDD_IF)
  92         void set_context_fdc(UPD765A* device)
  93         {
  94                 d_fdc = device;
  95         }
  96 #endif
  97         void set_context_dma(DEVICE* device)
  98         {
  99                 d_dma = device;
 100         }
 101         void set_context_pic(DEVICE* device)
 102         {
 103                 d_pic = device;
 104         }
 105 };
 106
 107 }
 108 #endif
 109