source/src/vm/phc20/phc20.h

   1 /*
   2         SANYO PHC-20 Emulator 'ePHC-20'
   3
   4         Author : Takeda.Toshiya
   5         Date   : 2010.09.03-
   6
   7         [ virtual machine ]
   8 */
   9
  10 #ifndef _PHC20_H_
  11 #define _PHC20_H_
  12
  13 #define DEVICE_NAME             "SANYO PHC-20"
  14 #define CONFIG_NAME             "phc20"
  15
  16 // device informations for virtual machine
  17 #define FRAMES_PER_SEC          60
  18 #define LINES_PER_FRAME         262
  19 #define CPU_CLOCKS              4000000
  20 #define SCREEN_WIDTH            256
  21 #define SCREEN_HEIGHT           192
  22
  23 #define MC6847_VRAM_INV         0x40
  24
  25 // device informations for win32
  26 #define USE_TAPE                1
  27 #define USE_TAPE_BUTTON
  28 #define USE_ALT_F10_KEY
  29 #define USE_AUTO_KEY            6
  30 #define USE_AUTO_KEY_RELEASE    10
  31 #define USE_AUTO_KEY_NO_CAPS
  32 #define USE_SOUND_VOLUME        2
  33 #define USE_DEBUGGER
  34 #define USE_STATE
  35
  36 #define USE_CPU_Z80
  37
  38 #include "../../common.h"
  39 #include "../../fileio.h"
  40 #include "../vm_template.h"
  41
  42 #ifdef USE_SOUND_VOLUME
  43 static const _TCHAR *sound_device_caption[] = {
  44         _T("CMT (Signal)"), _T("Noise (CMT)"),
  45 };
  46 #endif
  47
  48 class csp_state_utils;
  49
  50 class EMU;
  51 class DEVICE;
  52 class EVENT;
  53
  54 class DATAREC;
  55 class MC6847;
  56 class Z80;
  57
  58 class PHC20_MEMORY;
  59
  60 class VM : public VM_TEMPLATE
  61 {
  62 protected:
  63         //EMU* emu;
  64         //csp_state_utils* state_entry;
  65
  66         // devices
  67         //EVENT* event;
  68
  69         DATAREC* drec;
  70         MC6847* vdp;
  71         Z80* cpu;
  72
  73         PHC20_MEMORY* memory;
  74
  75 public:
  76         // ----------------------------------------
  77         // initialize
  78         // ----------------------------------------
  79
  80         VM(EMU* parent_emu);
  81         ~VM();
  82
  83         // ----------------------------------------
  84         // for emulation class
  85         // ----------------------------------------
  86
  87         // drive virtual machine
  88         void reset();
  89         void run();
  90
  91 #ifdef USE_DEBUGGER
  92         // debugger
  93         DEVICE *get_cpu(int index);
  94 #endif
  95
  96         // draw screen
  97         void draw_screen();
  98
  99         // sound generation
 100         void initialize_sound(int rate, int samples);
 101         uint16_t* create_sound(int* extra_frames);
 102         int get_sound_buffer_ptr();
 103 #ifdef USE_SOUND_VOLUME
 104         void set_sound_device_volume(int ch, int decibel_l, int decibel_r);
 105 #endif
 106
 107         // user interface
 108         void play_tape(int drv, const _TCHAR* file_path);
 109         void rec_tape(int drv, const _TCHAR* file_path);
 110         void close_tape(int drv);
 111         bool is_tape_inserted(int drv);
 112         bool is_tape_playing(int drv);
 113         bool is_tape_recording(int drv);
 114         int get_tape_position(int drv);
 115         const _TCHAR* get_tape_message(int drv);
 116         void push_play(int drv);
 117         void push_stop(int drv);
 118         void push_fast_forward(int drv);
 119         void push_fast_rewind(int drv);
 120         void push_apss_forward(int drv) {}
 121         void push_apss_rewind(int drv) {}
 122         bool is_frame_skippable();
 123
 124         void update_config();
 125         bool process_state(FILEIO* state_fio, bool loading);
 126
 127         // ----------------------------------------
 128         // for each device
 129         // ----------------------------------------
 130
 131         // devices
 132         DEVICE* get_device(int id);
 133         //DEVICE* dummy;
 134         //DEVICE* first_device;
 135         //DEVICE* last_device;
 136 };
 137
 138 #endif