source/src/vm/fmr50/scsi.h

   1 /*
   2         FUJITSU FMR-50 Emulator 'eFMR-50'
   3         FUJITSU FMR-60 Emulator 'eFMR-60'
   4
   5         Author : Takeda.Toshiya
   6         Date   : 2016.03.03-
   7
   8         [ scsi ]
   9 */
  10
  11 #ifndef _SCSI_H_
  12 #define _SCSI_H_
  13
  14 #include "../vm.h"
  15 #include "../../emu.h"
  16 #include "../device.h"
  17
  18 #define SIG_SCSI_IRQ    0
  19 #define SIG_SCSI_DRQ    1
  20
  21 class SCSI : public DEVICE
  22 {
  23 private:
  24         DEVICE *d_dma, *d_pic, *d_host;
  25
  26         uint8_t ctrl_reg;
  27         bool irq_status;
  28
  29 public:
  30         SCSI(VM_TEMPLATE* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
  31         {
  32
  33                 set_device_name(_T("SCSI I/F"));
  34         }
  35         ~SCSI() {}
  36
  37         // common functions
  38         void reset();
  39         void write_io8(uint32_t addr, uint32_t data);
  40         uint32_t read_io8(uint32_t addr);
  41         void write_signal(int id, uint32_t data, uint32_t mask);
  42         bool process_state(FILEIO* state_fio, bool loading);
  43
  44         // unique functions
  45         void set_context_dma(DEVICE* device)
  46         {
  47                 d_dma = device;
  48         }
  49         void set_context_pic(DEVICE* device)
  50         {
  51                 d_pic = device;
  52         }
  53         void set_context_host(DEVICE* device)
  54         {
  55                 d_host = device;
  56         }
  57         void decl_state();
  58         void save_state(FILEIO* state_fio);
  59         bool load_state(FILEIO* state_fio);
  60 };
  61
  62 #endif
  63