source/src/vm/pasopia/pac2.cpp

   1 /*
   2         TOSHIBA PASOPIA Emulator 'EmuPIA'
   3
   4         Author : Takeda.Toshiya
   5         Date   : 2006.12.28 -
   6
   7         [ pac slot 2 ]
   8 */
   9
  10 #include "pac2.h"
  11 #include "pac2dev.h"
  12 #include "rampac2.h"
  13 #include "kanjipac2.h"
  14 #include "joypac2.h"
  15
  16 void PAC2::initialize()
  17 {
  18         rampac2 = new RAMPAC2(vm, emu);
  19         kanji = new KANJIPAC2(vm, emu);
  20         joy = new JOYPAC2(vm, emu);
  21         dummy = new PAC2DEV(vm, emu);
  22
  23         rampac2->initialize(1);
  24         kanji->initialize(1);
  25         joy->initialize(1);
  26         dummy->initialize(1);
  27 }
  28
  29 void PAC2::release()
  30 {
  31         rampac2->release();
  32         delete rampac2;
  33         delete kanji;
  34         delete joy;
  35         delete dummy;
  36 }
  37
  38 void PAC2::reset()
  39 {
  40         device_type = config.device_type;
  41         get_device()->reset();
  42 }
  43
  44 void PAC2::write_io8(uint32 addr, uint32 data)
  45 {
  46         switch(addr & 0xff) {
  47         case 0x18:
  48         case 0x19:
  49         case 0x1a:
  50         case 0x1b:
  51                 get_device()->write_io8(addr, data);
  52                 break;
  53         }
  54 }
  55
  56 uint32 PAC2::read_io8(uint32 addr)
  57 {
  58         return get_device()->read_io8(addr);
  59 }
  60
  61 PAC2DEV* PAC2::get_device()
  62 {
  63         switch(device_type) {
  64         case DEVICE_RAM_PAC:
  65                 return rampac2;
  66         case DEVICE_KANJI_ROM:
  67                 return kanji;
  68         case DEVICE_JOYSTICK:
  69                 return joy;
  70         }
  71         return dummy;
  72 }
  73
  74 void PAC2::open_rampac2(_TCHAR* file_path)
  75 {
  76         rampac2->open_file(file_path);
  77 }
  78
  79 #define STATE_VERSION   1
  80
  81 void PAC2::save_state(FILEIO* state_fio)
  82 {
  83         state_fio->FputUint32(STATE_VERSION);
  84         state_fio->FputInt32(this_device_id);
  85
  86         state_fio->FputInt32(device_type);
  87         get_device()->save_state(state_fio);
  88 }
  89
  90 bool PAC2::load_state(FILEIO* state_fio)
  91 {
  92         if(state_fio->FgetUint32() != STATE_VERSION) {
  93                 return false;
  94         }
  95         if(state_fio->FgetInt32() != this_device_id) {
  96                 return false;
  97         }
  98         device_type = state_fio->FgetInt32();
  99         if(!get_device()->load_state(state_fio)) {
 100                 return false;
 101         }
 102         return true;
 103 }
 104