source/src/vm/fmr50/bios.h

   1 /*
   2         FUJITSU FMR-30 Emulator 'eFMR-30'
   3         FUJITSU FMR-50 Emulator 'eFMR-50'
   4         FUJITSU FMR-60 Emulator 'eFMR-60'
   5
   6         Author : Takeda.Toshiya
   7         Date   : 2008.10.06 -
   8
   9         [ bios ]
  10 */
  11
  12 #ifndef _BIOS_H_
  13 #define _BIOS_H_
  14
  15 #include "../vm.h"
  16 #include "../../emu.h"
  17 #include "../device.h"
  18
  19 class DISK;
  20 class HARDDISK;
  21
  22 class BIOS : public DEVICE
  23 {
  24 private:
  25         DEVICE *d_mem, *d_io;
  26         DISK *disk[MAX_DRIVE];
  27         HARDDISK *harddisk[USE_HARD_DISK];
  28
  29         // pseudo bios
  30         uint8_t *cmos, *vram, *cvram;
  31 #ifdef _FMR60
  32         uint8_t *avram;
  33 #else
  34         uint8_t *kvram;
  35 #endif
  36         int secnum, timeout;
  37
  38         // disk bios
  39         bool access_fdd[MAX_DRIVE];
  40         uint8_t  drive_mode1[MAX_DRIVE];
  41         uint16_t drive_mode2[MAX_DRIVE];
  42         int scsi_blocks[USE_HARD_DISK];
  43
  44 public:
  45         BIOS(VM* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu) {
  46                 set_device_name(_T("Pseudo BIOS"));
  47         }
  48         ~BIOS() {}
  49
  50         // common functions
  51         void initialize();
  52         void reset();
  53         void event_frame();
  54         bool bios_call_far_i86(uint32_t PC, uint16_t regs[], uint16_t sregs[], int32_t* ZeroFlag, int32_t* CarryFlag);
  55         bool bios_int_i86(int intnum, uint16_t regs[], uint16_t sregs[], int32_t* ZeroFlag, int32_t* CarryFlag);
  56         uint32_t read_signal(int ch);
  57         void save_state(FILEIO* state_fio);
  58         bool load_state(FILEIO* state_fio);
  59
  60         // unique functions
  61         void set_context_mem(DEVICE* device)
  62         {
  63                 d_mem = device;
  64         }
  65         void set_context_io(DEVICE* device)
  66         {
  67                 d_io = device;
  68         }
  69         void set_floppy_disk_handler(int drv, DISK* device)
  70         {
  71                 disk[drv] = device;
  72         }
  73         void set_hard_disk_handler(int drv, HARDDISK* device)
  74         {
  75                 harddisk[drv] = device;
  76         }
  77         void set_cmos_ptr(uint8_t* ptr)
  78         {
  79                 cmos = ptr;
  80         }
  81         void set_vram_ptr(uint8_t* ptr)
  82         {
  83                 vram = ptr;
  84         }
  85         void set_cvram_ptr(uint8_t* ptr)
  86         {
  87                 cvram = ptr;
  88         }
  89 #ifdef _FMR60
  90         void set_avram_ptr(uint8_t* ptr)
  91         {
  92                 avram = ptr;
  93         }
  94 #else
  95         void set_kvram_ptr(uint8_t* ptr)
  96         {
  97                 kvram = ptr;
  98         }
  99 #endif
 100 };
 101
 102 #endif
 103