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
  21 class BIOS : public DEVICE
  22 {
  23 private:
  24         DEVICE *d_mem, *d_io;
  25         DISK *disk[MAX_DRIVE];
  26
  27         // pseudo bios
  28         uint8 *cmos, *vram, *cvram;
  29 #ifdef _FMR60
  30         uint8 *avram;
  31 #else
  32         uint8 *kvram;
  33 #endif
  34         int secnum, timeout;
  35
  36         // disk bios
  37         bool access_fdd[MAX_DRIVE], access_scsi;
  38         int scsi_blocks[MAX_SCSI];
  39         _TCHAR scsi_path[MAX_SCSI][_MAX_PATH];
  40         int memcard_blocks[MAX_MEMCARD];
  41         bool memcard_protected[MAX_MEMCARD];
  42         _TCHAR memcard_path[MAX_SCSI][_MAX_PATH];
  43         uint8 buffer[0x10000];
  44
  45         // power management
  46         uint8 powmode;
  47
  48         uint32 disk_pc1, disk_pc2, cmos_pc, wait_pc;
  49
  50 public:
  51         BIOS(VM* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu) {}
  52         ~BIOS() {}
  53
  54         // common functions
  55         void initialize();
  56         void reset();
  57         void event_frame();
  58         bool bios_call(uint32 PC, uint16 regs[], uint16 sregs[], int32* ZeroFlag, int32* CarryFlag);
  59         bool bios_int(int intnum, uint16 regs[], uint16 sregs[], int32* ZeroFlag, int32* CarryFlag);
  60         uint32 read_signal(int ch);
  61
  62         // unique functions
  63         void set_context_mem(DEVICE* device)
  64         {
  65                 d_mem = device;
  66         }
  67         void set_context_io(DEVICE* device)
  68         {
  69                 d_io = device;
  70         }
  71         void set_disk_handler(int drv, DISK* dsk)
  72         {
  73                 disk[drv] = dsk;
  74         }
  75         void set_cmos_ptr(uint8* ptr)
  76         {
  77                 cmos = ptr;
  78         }
  79         void set_vram_ptr(uint8* ptr)
  80         {
  81                 vram = ptr;
  82         }
  83         void set_cvram_ptr(uint8* ptr)
  84         {
  85                 cvram = ptr;
  86         }
  87 #ifdef _FMR60
  88         void set_avram_ptr(uint8* ptr)
  89         {
  90                 avram = ptr;
  91         }
  92 #else
  93         void set_kvram_ptr(uint8* ptr)
  94         {
  95                 kvram = ptr;
  96         }
  97 #endif
  98 };
  99
 100 #endif
 101