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(static_cast<VM *>(vm), emu);
  19         kanji = new KANJIPAC2(static_cast<VM *>(vm), emu);
  20         joy = new JOYPAC2(static_cast<VM *>(vm), emu);
  21         dummy = new PAC2DEV(static_cast<VM *>(vm), emu);
  22         rampac2->initialize(1);
  23         kanji->initialize(1);
  24         joy->initialize(1);
  25         dummy->initialize(1);
  26 }
  27
  28 void PAC2::release()
  29 {
  30         rampac2->release();
  31         delete rampac2;
  32         delete kanji;
  33         delete joy;
  34         delete dummy;
  35 }
  36
  37 void PAC2::reset()
  38 {
  39         device_type = config.device_type;
  40         get_device()->reset();
  41 }
  42
  43 void PAC2::write_io8(uint32_t addr, uint32_t data)
  44 {
  45         switch(addr & 0xff) {
  46         case 0x18:
  47         case 0x19:
  48         case 0x1a:
  49         case 0x1b:
  50                 get_device()->write_io8(addr, data);
  51                 break;
  52         }
  53 }
  54
  55 uint32_t PAC2::read_io8(uint32_t addr)
  56 {
  57         return get_device()->read_io8(addr);
  58 }
  59
  60 PAC2DEV* PAC2::get_device()
  61 {
  62         switch(device_type) {
  63         case DEVICE_RAM_PAC:
  64                 return rampac2;
  65         case DEVICE_KANJI_ROM:
  66                 return kanji;
  67         case DEVICE_JOYSTICK:
  68                 return joy;
  69         }
  70         return dummy;
  71 }
  72
  73 void PAC2::open_rampac2(const _TCHAR* file_path)
  74 {
  75         rampac2->open_file(file_path);
  76 }
  77
  78 #define STATE_VERSION   1
  79
  80 bool PAC2::process_state(FILEIO* state_fio, bool loading)
  81 {
  82         if(!state_fio->StateCheckUint32(STATE_VERSION)) {
  83                 return false;
  84         }
  85         if(!state_fio->StateCheckInt32(this_device_id)) {
  86                 return false;
  87         }
  88         state_fio->StateInt32(device_type);
  89         return get_device()->process_state(state_fio, loading);
  90 }