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
  80 namespace PCEDEV {
  81         class PCE;
  82 }
  83 class VM : public VM_TEMPLATE
  84 {
  85 protected:
  86         //EMU* emu;
  87         //csp_state_utils* state_entry;
  88
  89         // devices
  90         EVENT* pceevent;
  91
  92         HUC6280* pcecpu;
  93         MSM5205* adpcm;
  94         SCSI_HOST* scsi_host;
  95         SCSI_CDROM* scsi_cdrom;
  96         PCEDEV::PCE* pce;
  97
  98 public:
  99         // ----------------------------------------
 100         // initialize
 101         // ----------------------------------------
 102
 103         VM(EMU* parent_emu);
 104         ~VM();
 105
 106         // ----------------------------------------
 107         // for emulation class
 108         // ----------------------------------------
 109
 110         // drive virtual machine
 111         void reset();
 112         void run();
 113         double get_frame_rate();
 114
 115 #ifdef USE_DEBUGGER
 116         // debugger
 117         DEVICE *get_cpu(int index);
 118 #endif
 119
 120         // draw screen
 121         void draw_screen();
 122
 123         // sound generation
 124         void initialize_sound(int rate, int samples);
 125         uint16_t* create_sound(int* extra_frames);
 126         int get_sound_buffer_ptr();
 127 #ifdef USE_SOUND_VOLUME
 128         void set_sound_device_volume(int ch, int decibel_l, int decibel_r);
 129 #endif
 130
 131         // user interface
 132         void open_cart(int drv, const _TCHAR* file_path);
 133         void close_cart(int drv);
 134         bool is_cart_inserted(int drv);
 135         void open_compact_disc(int drv, const _TCHAR* file_path);
 136         void close_compact_disc(int drv);
 137         bool is_compact_disc_inserted(int drv);
 138         uint32_t is_compact_disc_accessed();
 139         bool is_frame_skippable()
 140         {
 141                 return false;
 142         }
 143         void update_config();
 144         bool process_state(FILEIO* state_fio, bool loading);
 145
 146         // ----------------------------------------
 147         // for each device
 148         // ----------------------------------------
 149
 150         // devices
 151         DEVICE* get_device(int id);
 152         //DEVICE* dummy;
 153         //DEVICE* first_device;
 154         //DEVICE* last_device;
 155 };
 156
 157 #endif