source/src/vm/colecovision/colecovision.h

   1 /*
   2         COLECO ColecoVision Emulator 'yaCOLECOVISION'
   3
   4         Author : tanam
   5         Date   : 2016.08.14-
   6
   7         [ virtual machine ]
   8 */
   9
  10 #ifndef _COLECO_VISION_H_
  11 #define _COLECO_VISION_H_
  12
  13 #define DEVICE_NAME             "COLECO ColecoVision"
  14 #define CONFIG_NAME             "colecovision"
  15
  16 // device informations for virtual machine
  17 #define FRAMES_PER_SEC          60
  18 #define LINES_PER_FRAME         262
  19 #define CPU_CLOCKS              3579545
  20 #define SCREEN_WIDTH            256
  21 #define SCREEN_HEIGHT           192
  22 #define TMS9918A_VRAM_SIZE      0x4000
  23 #define TMS9918A_LIMIT_SPRITES
  24
  25 // device informations for win32
  26 #define USE_CART                1
  27 #define USE_SOUND_VOLUME        2
  28 #define USE_JOYSTICK
  29 #define USE_DEBUGGER
  30 #define USE_STATE
  31 #define USE_CPU_Z80
  32
  33 #include "../../common.h"
  34 #include "../../fileio.h"
  35 #include "../vm_template.h"
  36
  37 #ifdef USE_SOUND_VOLUME
  38 static const _TCHAR *sound_device_caption[] = {
  39         _T("PSG"),
  40 };
  41 #endif
  42
  43 //class csp_state_utils;
  44 class EMU;
  45 class DEVICE;
  46 class EVENT;
  47
  48 class IO;
  49 class SN76489AN;
  50 class TMS9918A;
  51 class Z80;
  52
  53 class KEYBOARD;
  54 class MEMORY;
  55
  56 class VM : public VM_TEMPLATE
  57 {
  58 protected:
  59         //EMU* emu;
  60         //csp_state_utils *state_entry;
  61
  62         // devices
  63         //EVENT* event;
  64
  65         IO* io;
  66         SN76489AN* psg;
  67         TMS9918A* vdp;
  68         Z80* cpu;
  69
  70         KEYBOARD* key;
  71         MEMORY* memory;
  72
  73 public:
  74         // ----------------------------------------
  75         // initialize
  76         // ----------------------------------------
  77
  78         VM(EMU* parent_emu);
  79         ~VM();
  80
  81         // ----------------------------------------
  82         // for emulation class
  83         // ----------------------------------------
  84
  85         // drive virtual machine
  86         void reset();
  87         void run();
  88
  89 #ifdef USE_DEBUGGER
  90         // debugger
  91         DEVICE *get_cpu(int index);
  92 #endif
  93
  94         // draw screen
  95         void draw_screen();
  96
  97         // sound generation
  98         void initialize_sound(int rate, int samples);
  99         uint16_t* create_sound(int* extra_frames);
 100         int get_sound_buffer_ptr();
 101 #ifdef USE_SOUND_VOLUME
 102         void set_sound_device_volume(int ch, int decibel_l, int decibel_r);
 103 #endif
 104
 105         // user interface
 106         void open_cart(int drv, const _TCHAR* file_path);
 107         void close_cart(int drv);
 108         bool is_cart_inserted(int drv);
 109         bool is_frame_skippable();
 110
 111         void update_config();
 112         bool process_state(FILEIO* state_fio, bool loading);
 113
 114         // ----------------------------------------
 115         // for each device
 116         // ----------------------------------------
 117
 118         // devices
 119         DEVICE* get_device(int id);
 120         //DEVICE* dummy;
 121         //DEVICE* first_device;
 122         //DEVICE* last_device;
 123 };
 124
 125 #endif