source/src/vm/pasopia7/pac2.cpp

   1 /*
   2         TOSHIBA PASOPIA 7 Emulator 'EmuPIA7'
   3
   4         Author : Takeda.Toshiya
   5         Date   : 2006.09.20 -
   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         // slot 4 : ram pack #5
  19         // slot 3 : ram pack #6
  20         // slot 2 : kanji rom
  21         // slot 1 : joystick
  22         dummy = new PAC2DEV(static_cast<VM *>(vm), emu);
  23         rampac2[0] = new RAMPAC2(static_cast<VM *>(vm), emu);
  24         rampac2[1] = new RAMPAC2(static_cast<VM *>(vm), emu);
  25         kanji = new KANJIPAC2(static_cast<VM *>(vm), emu);
  26         joy = new JOYPAC2(static_cast<VM *>(vm), emu);
  27
  28         rampac2[0]->initialize(1);
  29         rampac2[1]->initialize(2);
  30         kanji->initialize(3);
  31         joy->initialize(4);
  32
  33         dev[7] = dummy;
  34         dev[6] = dummy;
  35         dev[5] = dummy;
  36         dev[4] = rampac2[0];
  37         dev[3] = rampac2[1];
  38         dev[2] = kanji;
  39         dev[1] = joy;
  40         dev[0] = dummy;
  41
  42         sel = 0;
  43 }
  44
  45 void PAC2::release()
  46 {
  47         delete dummy;
  48         rampac2[0]->release();
  49         delete rampac2[0];
  50         rampac2[1]->release();
  51         delete rampac2[1];
  52         delete kanji;
  53         delete joy;
  54 }
  55
  56 void PAC2::reset()
  57 {
  58         rampac2[0]->reset();
  59         rampac2[1]->reset();
  60         kanji->reset();
  61 }
  62
  63 void PAC2::write_io8(uint32_t addr, uint32_t data)
  64 {
  65         switch(addr & 0xff) {
  66         case 0x18:
  67         case 0x19:
  68         case 0x1a:
  69                 dev[sel]->write_io8(addr, data);
  70                 break;
  71         case 0x1b:
  72                 if(data & 0x80) {
  73                         dev[sel]->write_io8(addr, data);
  74                 } else {
  75                         sel = data & 7;
  76                 }
  77                 break;
  78         }
  79 }
  80
  81 uint32_t PAC2::read_io8(uint32_t addr)
  82 {
  83         return dev[sel]->read_io8(addr);
  84 }
  85
  86 void PAC2::open_rampac2(int drv, const _TCHAR* file_path)
  87 {
  88         rampac2[drv]->open_file(file_path);
  89 }
  90
  91 #define STATE_VERSION   1
  92
  93 bool PAC2::process_state(FILEIO* state_fio, bool loading)
  94 {
  95         if(!state_fio->StateCheckUint32(STATE_VERSION)) {
  96                 return false;
  97         }
  98         if(!state_fio->StateCheckInt32(this_device_id)) {
  99                 return false;
 100         }
 101         state_fio->StateInt32(sel);
 102         if(!rampac2[0]->process_state(state_fio, loading)) {
 103                 return false;
 104         }
 105         if(!rampac2[1]->process_state(state_fio, loading)) {
 106                 return false;
 107         }
 108         if(!kanji->process_state(state_fio, loading)) {
 109                 return false;
 110         }
 111         return true;
 112 }