source/src/vm/pcengine/pcengine.h

   1 /*
   2         NEC-HE PC Engine Emulator 'ePCEngine'
   3
   4         Author : Takeda.Toshiya
   5         Date   : 2012.10.31-
   6
   7         [ virtual machine ]
   8 */
   9
  10 #ifndef _PCENGINE_H_
  11 #define _PCENGINE_H_
  12
  13 #define DEVICE_NAME             "NEC-HE PC Engine"
  14 #define CONFIG_NAME             "pcengine"
  15
  16 #define FRAMES_PER_SEC          60
  17 #define LINES_PER_FRAME         262
  18 #define CPU_CLOCKS              7159090
  19 #define SCREEN_WIDTH            352
  20 #define SCREEN_HEIGHT           240
  21 // pixel aspect should be 8:7
  22 #define WINDOW_HEIGHT_ASPECT    210
  23
  24 #define SUPPORT_SUPER_GFX
  25 #define SUPPORT_BACKUP_RAM
  26 #define SUPPORT_CDROM
  27 //#define SCSI_HOST_AUTO_ACK
  28 #define SCSI_DEV_IMMEDIATE_SELECT
  29
  30 // device informations for win32
  31 #define SOUND_RATE_DEFAULT      5       // 44100Hz
  32 #define SUPPORT_TV_RENDER
  33 #define USE_CART                1
  34 #define USE_COMPACT_DISC        1
  35 #define USE_SOUND_VOLUME        3
  36 #define USE_JOYSTICK
  37 #define USE_JOYSTICK_TYPE       4
  38 #define JOYSTICK_TYPE_DEFAULT   0
  39 #define USE_JOY_BUTTON_CAPTIONS
  40 #define USE_DEBUGGER
  41 #define USE_STATE
  42
  43 #include "../../common.h"
  44 #include "../../fileio.h"
  45 #include "../vm_template.h"
  46
  47 #ifdef USE_SOUND_VOLUME
  48 static const _TCHAR *sound_device_caption[] = {
  49         _T("PSG"), _T("CD-DA"), _T("ADPCM")
  50 };
  51 #endif
  52
  53 #ifdef USE_JOY_BUTTON_CAPTIONS
  54 static const _TCHAR *joy_button_captions[] = {
  55         _T("Up"),
  56         _T("Down"),
  57         _T("Left"),
  58         _T("Right"),
  59         _T("Button #1"),
  60         _T("Button #2"),
  61         _T("Select"),
  62         _T("Run"),
  63         _T("Button #3"),
  64         _T("Button #4"),
  65         _T("Button #5"),
  66         _T("Button #6"),
  67 };
  68 #endif
  69
  70 class csp_state_utils;
  71 class EMU;
  72 class DEVICE;
  73 class EVENT;
  74
  75 class HUC6280;
  76 class MSM5205;
  77 class SCSI_HOST;
  78 class SCSI_CDROM;
  79 class PCE;
  80
  81 class VM : public VM_TEMPLATE
  82 {
  83 protected:
  84         //EMU* emu;
  85         //csp_state_utils* state_entry;
  86
  87         // devices
  88         EVENT* pceevent;
  89
  90         HUC6280* pcecpu;
  91         MSM5205* adpcm;
  92         SCSI_HOST* scsi_host;
  93         SCSI_CDROM* scsi_cdrom;
  94         PCE* pce;
  95
  96 public:
  97         // ----------------------------------------
  98         // initialize
  99         // ----------------------------------------
 100
 101         VM(EMU* parent_emu);
 102         ~VM();
 103
 104         // ----------------------------------------
 105         // for emulation class
 106         // ----------------------------------------
 107
 108         // drive virtual machine
 109         void reset();
 110         void run();
 111         double get_frame_rate();
 112
 113 #ifdef USE_DEBUGGER
 114         // debugger
 115         DEVICE *get_cpu(int index);
 116 #endif
 117
 118         // draw screen
 119         void draw_screen();
 120
 121         // sound generation
 122         void initialize_sound(int rate, int samples);
 123         uint16_t* create_sound(int* extra_frames);
 124         int get_sound_buffer_ptr();
 125 #ifdef USE_SOUND_VOLUME
 126         void set_sound_device_volume(int ch, int decibel_l, int decibel_r);
 127 #endif
 128
 129         // user interface
 130         void open_cart(int drv, const _TCHAR* file_path);
 131         void close_cart(int drv);
 132         bool is_cart_inserted(int drv);
 133         void open_compact_disc(int drv, const _TCHAR* file_path);
 134         void close_compact_disc(int drv);
 135         bool is_compact_disc_inserted(int drv);
 136         uint32_t is_compact_disc_accessed();
 137         bool is_frame_skippable()
 138         {
 139                 return false;
 140         }
 141         void update_config();
 142         bool process_state(FILEIO* state_fio, bool loading);
 143
 144         // ----------------------------------------
 145         // for each device
 146         // ----------------------------------------
 147
 148         // devices
 149         DEVICE* get_device(int id);
 150         //DEVICE* dummy;
 151         //DEVICE* first_device;
 152         //DEVICE* last_device;
 153 };
 154
 155 #endif