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_TEMPLATE* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu) {
  46                 for(int i = 0; i < MAX_DRIVE; i++) disk[i] = NULL;
  47                 //for(int i = 0; i < USE_HARD_DISK; i++) harddisk[i] = NULL;
  48                 set_device_name(_T("Pseudo BIOS"));
  49         }
  50         ~BIOS() {}
  51
  52         // common functions
  53         void initialize();
  54         void reset();
  55         void event_frame();
  56         bool bios_call_far_i86(uint32_t PC, uint16_t regs[], uint16_t sregs[], int32_t* ZeroFlag, int32_t* CarryFlag);
  57         bool bios_int_i86(int intnum, uint16_t regs[], uint16_t sregs[], int32_t* ZeroFlag, int32_t* CarryFlag);
  58         uint32_t read_signal(int ch);
  59         bool process_state(FILEIO* state_fio, bool loading);
  60
  61         // unique functions
  62         void set_context_mem(DEVICE* device)
  63         {
  64                 d_mem = device;
  65         }
  66         void set_context_io(DEVICE* device)
  67         {
  68                 d_io = device;
  69         }
  70         void set_floppy_disk_handler(int drv, DISK* device)
  71         {
  72                 disk[drv] = device;
  73         }
  74         void set_hard_disk_handler(int drv, HARDDISK* device)
  75         {
  76                 harddisk[drv] = device;
  77         }
  78         void set_cmos_ptr(uint8_t* ptr)
  79         {
  80                 cmos = ptr;
  81         }
  82         void set_vram_ptr(uint8_t* ptr)
  83         {
  84                 vram = ptr;
  85         }
  86         void set_cvram_ptr(uint8_t* ptr)
  87         {
  88                 cvram = ptr;
  89         }
  90 #ifdef _FMR60
  91         void set_avram_ptr(uint8_t* ptr)
  92         {
  93                 avram = ptr;
  94         }
  95 #else
  96         void set_kvram_ptr(uint8_t* ptr)
  97         {
  98                 kvram = ptr;
  99         }
 100 #endif
 101 };
 102
 103 #endif
 104