source/src/vm/pc98ha/calendar.cpp

   1 /*
   2         NEC PC-98LT Emulator 'ePC-98LT'
   3         NEC PC-98HA Emulator 'eHANDY98'
   4
   5         Author : Takeda.Toshiya
   6         Date   : 2008.08.14 -
   7
   8         [ calendar ]
   9 */
  10
  11 #include "calendar.h"
  12 #ifndef _PC98HA
  13 #include "../upd1990a.h"
  14 #endif
  15
  16 void CALENDAR::initialize()
  17 {
  18 #ifdef _PC98HA
  19         ch = 0;
  20 #endif
  21 }
  22
  23 void CALENDAR::write_io8(uint32_t addr, uint32_t data)
  24 {
  25         switch(addr & 0xffff) {
  26 #ifdef _PC98HA
  27         case 0x22:
  28                 ch = data & 0x0f;
  29                 break;
  30         case 0x23:
  31                 d_rtc->write_io8(ch, data & 0x0f);
  32                 break;
  33 #else
  34         case 0x20:
  35                 d_rtc->write_signal(SIG_UPD1990A_CMD, data, 0x07);
  36                 d_rtc->write_signal(SIG_UPD1990A_DIN, data, 0x20);
  37                 d_rtc->write_signal(SIG_UPD1990A_STB, data, 0x08);
  38                 d_rtc->write_signal(SIG_UPD1990A_CLK, data, 0x10);
  39                 break;
  40 #endif
  41         }
  42 }
  43
  44 uint32_t CALENDAR::read_io8(uint32_t addr)
  45 {
  46 #ifdef _PC98HA
  47         switch(addr & 0xffff) {
  48         case 0x23:
  49                 return d_rtc->read_io8(ch) & 0x0f;
  50         }
  51 #endif
  52         return 0xff;
  53 }
  54
  55 #ifdef _PC98HA
  56 #define STATE_VERSION   1
  57
  58 bool CALENDAR::process_state(FILEIO* state_fio, bool loading)
  59 {
  60         if(!state_fio->StateCheckUint32(STATE_VERSION)) {
  61                 return false;
  62         }
  63         if(!state_fio->StateCheckInt32(this_device_id)) {
  64                 return false;
  65         }
  66         state_fio->StateUint8(ch);
  67         return true;
  68 }
  69 #endif
  70