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 namespace FMR50 {
  23
  24 class BIOS : public DEVICE
  25 {
  26 private:
  27         DEVICE *d_mem, *d_io;
  28         DISK *disk[MAX_DRIVE];
  29         HARDDISK *harddisk[USE_HARD_DISK];
  30
  31         // pseudo bios
  32         uint8_t *cmos, *vram, *cvram;
  33 #ifdef _FMR60
  34         uint8_t *avram;
  35 #else
  36         uint8_t *kvram;
  37 #endif
  38         int secnum, timeout;
  39
  40         // disk bios
  41         bool access_fdd[MAX_DRIVE];
  42         uint8_t  drive_mode1[MAX_DRIVE];
  43         uint16_t drive_mode2[MAX_DRIVE];
  44         int scsi_blocks[USE_HARD_DISK];
  45
  46 public:
  47         BIOS(VM_TEMPLATE* parent_vm, EMU_TEMPLATE* parent_emu) : DEVICE(parent_vm, parent_emu) {
  48                 for(int i = 0; i < MAX_DRIVE; i++) disk[i] = NULL;
  49                 //for(int i = 0; i < USE_HARD_DISK; i++) harddisk[i] = NULL;
  50                 set_device_name(_T("Pseudo BIOS"));
  51         }
  52         ~BIOS() {}
  53
  54         // common functions
  55         void initialize();
  56         void reset();
  57         void event_frame();
  58         bool bios_call_far_i86(uint32_t PC, uint16_t regs[], const uint16_t sregs[], int32_t* ZeroFlag, int32_t* CarryFlag, int* cycles, uint64_t* total_cycles);
  59         bool bios_call_far_ia32(uint32_t PC, uint32_t regs[], const uint16_t sregs[], int32_t* ZeroFlag, int32_t* CarryFlag, int* cycles, uint64_t* total_cycles);
  60         bool bios_int_i86(int intnum, uint16_t regs[], const uint16_t sregs[], int32_t* ZeroFlag, int32_t* CarryFlag, int* cycles, uint64_t* total_cycles);
  61         bool bios_int_ia32(int intnum, uint32_t regs[], const uint16_t sregs[], int32_t* ZeroFlag, int32_t* CarryFlag, int* cycles, uint64_t* total_cycles);
  62         uint32_t __FASTCALL read_signal(int ch);
  63         bool process_state(FILEIO* state_fio, bool loading);
  64
  65         // unique functions
  66         void set_context_mem(DEVICE* device)
  67         {
  68                 d_mem = device;
  69         }
  70         void set_context_io(DEVICE* device)
  71         {
  72                 d_io = device;
  73         }
  74         void set_floppy_disk_handler(int drv, DISK* device)
  75         {
  76                 disk[drv] = device;
  77         }
  78         void set_hard_disk_handler(int drv, HARDDISK* device)
  79         {
  80                 harddisk[drv] = device;
  81         }
  82         void set_cmos_ptr(uint8_t* ptr)
  83         {
  84                 cmos = ptr;
  85         }
  86         void set_vram_ptr(uint8_t* ptr)
  87         {
  88                 vram = ptr;
  89         }
  90         void set_cvram_ptr(uint8_t* ptr)
  91         {
  92                 cvram = ptr;
  93         }
  94 #ifdef _FMR60
  95         void set_avram_ptr(uint8_t* ptr)
  96         {
  97                 avram = ptr;
  98         }
  99 #else
 100         void set_kvram_ptr(uint8_t* ptr)
 101         {
 102                 kvram = ptr;
 103         }
 104 #endif
 105 };
 106
 107 }
 108
 109 #endif
 110