source/src/vm/fmr50/timer.h

   1 /*
   2         FUJITSU FMR-50 Emulator 'eFMR-50'
   3         FUJITSU FMR-60 Emulator 'eFMR-60'
   4
   5         Author : Takeda.Toshiya
   6         Date   : 2008.04.30 -
   7
   8         [ timer ]
   9 */
  10
  11 #ifndef _TIMER_H_
  12 #define _TIMER_H_
  13
  14 #include "../vm.h"
  15 #include "../../emu.h"
  16 #include "../device.h"
  17
  18 #define SIG_TIMER_CH0   0
  19 #define SIG_TIMER_CH1   1
  20 #define SIG_TIMER_RTC   2
  21
  22 class TIMER : public DEVICE
  23 {
  24 private:
  25         DEVICE *d_pcm, *d_pic, *d_rtc;
  26
  27         uint16_t free_run_counter;
  28         uint8_t intr_reg, rtc_data;
  29         bool tmout0, tmout1;
  30         void update_intr();
  31
  32 public:
  33         TIMER(VM_TEMPLATE* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
  34         {
  35                 set_device_name(_T("Timer I/F"));
  36         }
  37         ~TIMER() {}
  38
  39         // common functions
  40         void initialize();
  41         void write_io8(uint32_t addr, uint32_t data);
  42         uint32_t read_io8(uint32_t addr);
  43         void write_signal(int id, uint32_t data, uint32_t mask);
  44         void decl_state();
  45         void save_state(FILEIO* state_fio);
  46         bool load_state(FILEIO* state_fio);
  47
  48         // unique functions
  49         void set_context_pcm(DEVICE* device)
  50         {
  51                 d_pcm = device;
  52         }
  53         void set_context_pic(DEVICE* device)
  54         {
  55                 d_pic = device;
  56         }
  57         void set_context_rtc(DEVICE* device)
  58         {
  59                 d_rtc = device;
  60         }
  61 };
  62
  63 #endif
  64