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 //#define USE_SEPARATED_ADPCM
  43
  44 #include "../../common.h"
  45 #include "../../fileio.h"
  46 #include "../vm_template.h"
  47
  48 #ifdef USE_SOUND_VOLUME
  49 static const _TCHAR *sound_device_caption[] = {
  50         _T("PSG"), _T("CD-DA"), _T("ADPCM")
  51 };
  52 #endif
  53
  54 #ifdef USE_JOY_BUTTON_CAPTIONS
  55 static const _TCHAR *joy_button_captions[] = {
  56         _T("Up"),
  57         _T("Down"),
  58         _T("Left"),
  59         _T("Right"),
  60         _T("Button #1"),
  61         _T("Button #2"),
  62         _T("Select"),
  63         _T("Run"),
  64         _T("Button #3"),
  65         _T("Button #4"),
  66         _T("Button #5"),
  67         _T("Button #6"),
  68 };
  69 #endif
  70
  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 #ifdef USE_SEPARATED_ADPCM
  83         class ADPCM;
  84 #endif
  85 }
  86 class VM : public VM_TEMPLATE
  87 {
  88 protected:
  89         //EMU* emu;
  90         //csp_state_utils* state_entry;
  91
  92         // devices
  93         EVENT* pceevent;
  94
  95         HUC6280* pcecpu;
  96         MSM5205* adpcm;
  97         SCSI_HOST* scsi_host;
  98         SCSI_CDROM* scsi_cdrom;
  99         PCEDEV::PCE* pce;
 100 #ifdef USE_SEPARATED_ADPCM
 101         PCEDEV::ADPCM* pce_adpcm;
 102 #endif
 103 public:
 104         // ----------------------------------------
 105         // initialize
 106         // ----------------------------------------
 107
 108         VM(EMU* parent_emu);
 109         ~VM();
 110
 111         // ----------------------------------------
 112         // for emulation class
 113         // ----------------------------------------
 114
 115         // drive virtual machine
 116         void reset();
 117         void run();
 118         double get_frame_rate();
 119
 120 #ifdef USE_DEBUGGER
 121         // debugger
 122         DEVICE *get_cpu(int index);
 123 #endif
 124
 125         // draw screen
 126         void draw_screen();
 127
 128         // sound generation
 129         void initialize_sound(int rate, int samples);
 130         uint16_t* create_sound(int* extra_frames);
 131         int get_sound_buffer_ptr();
 132 #ifdef USE_SOUND_VOLUME
 133         void set_sound_device_volume(int ch, int decibel_l, int decibel_r);
 134 #endif
 135
 136         // user interface
 137         void open_cart(int drv, const _TCHAR* file_path);
 138         void close_cart(int drv);
 139         bool is_cart_inserted(int drv);
 140         void open_compact_disc(int drv, const _TCHAR* file_path);
 141         void close_compact_disc(int drv);
 142         bool is_compact_disc_inserted(int drv);
 143         uint32_t is_compact_disc_accessed();
 144         bool is_frame_skippable()
 145         {
 146                 return false;
 147         }
 148         void update_config();
 149         bool process_state(FILEIO* state_fio, bool loading);
 150
 151         // ----------------------------------------
 152         // for each device
 153         // ----------------------------------------
 154
 155         // devices
 156         DEVICE* get_device(int id);
 157         //DEVICE* dummy;
 158         //DEVICE* first_device;
 159         //DEVICE* last_device;
 160 };
 161
 162 #endif