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 using PASOPIA::RAMPAC2;
  17 using PASOPIA::KANJIPAC2;
  18 using PASOPIA::JOYPAC2;
  19 using PASOPIA::PAC2DEV;
  20
  21 namespace PASOPIA {
  22
  23 void PAC2::initialize()
  24 {
  25         rampac2 = new RAMPAC2(static_cast<VM *>(vm), emu);
  26         kanji = new KANJIPAC2(static_cast<VM *>(vm), emu);
  27         joy = new JOYPAC2(static_cast<VM *>(vm), emu);
  28         dummy = new PAC2DEV(static_cast<VM *>(vm), emu);
  29         rampac2->initialize(1);
  30         kanji->initialize(1);
  31         joy->initialize(1);
  32         dummy->initialize(1);
  33 }
  34
  35 void PAC2::release()
  36 {
  37         rampac2->release();
  38         delete rampac2;
  39         delete kanji;
  40         delete joy;
  41         delete dummy;
  42 }
  43
  44 void PAC2::reset()
  45 {
  46         device_type = config.device_type;
  47         get_device()->reset();
  48 }
  49
  50 void PAC2::write_io8(uint32_t addr, uint32_t data)
  51 {
  52         switch(addr & 0xff) {
  53         case 0x18:
  54         case 0x19:
  55         case 0x1a:
  56         case 0x1b:
  57                 get_device()->write_io8(addr, data);
  58                 break;
  59         }
  60 }
  61
  62 uint32_t PAC2::read_io8(uint32_t addr)
  63 {
  64         return get_device()->read_io8(addr);
  65 }
  66
  67 PAC2DEV* PAC2::get_device()
  68 {
  69         switch(device_type) {
  70         case DEVICE_RAM_PAC:
  71                 return rampac2;
  72         case DEVICE_KANJI_ROM:
  73                 return kanji;
  74         case DEVICE_JOYSTICK:
  75                 return joy;
  76         }
  77         return dummy;
  78 }
  79
  80 void PAC2::open_rampac2(const _TCHAR* file_path)
  81 {
  82         rampac2->open_file(file_path);
  83 }
  84
  85 #define STATE_VERSION   1
  86
  87 bool PAC2::process_state(FILEIO* state_fio, bool loading)
  88 {
  89         if(!state_fio->StateCheckUint32(STATE_VERSION)) {
  90                 return false;
  91         }
  92         if(!state_fio->StateCheckInt32(this_device_id)) {
  93                 return false;
  94         }
  95         state_fio->StateInt32(device_type);
  96         return get_device()->process_state(state_fio, loading);
  97 }
  98
  99 }