source/src/vm/pyuta/pyuta.cpp

   1 /*
   2         TOMY PyuTa Emulator 'ePyuTa'
   3
   4         Author : Takeda.Toshiya
   5         Date   : 2007.07.15 -
   6
   7         [ virtual machine ]
   8 */
   9
  10 #include "pyuta.h"
  11 #include "../../emu.h"
  12 #include "../device.h"
  13 #include "../event.h"
  14
  15 #include "../datarec.h"
  16 #include "../noise.h"
  17 #include "../sn76489an.h"
  18 #include "../tms9918a.h"
  19 #include "../tms9995.h"
  20
  21 #ifdef USE_DEBUGGER
  22 #include "../debugger.h"
  23 #endif
  24
  25 #include "./memory.h"
  26
  27 // ----------------------------------------------------------------------------
  28 // initialize
  29 // ----------------------------------------------------------------------------
  30 using PYUTA::MEMORY;
  31
  32 VM::VM(EMU* parent_emu) : VM_TEMPLATE(parent_emu)
  33 {
  34         // create devices
  35         first_device = last_device = NULL;
  36         dummy = new DEVICE(this, emu);  // must be 1st device
  37         event = new EVENT(this, emu);   // must be 2nd device
  38         dummy->set_device_name(_T("1st Dummy"));
  39
  40         drec = new DATAREC(this, emu);
  41         drec->set_context_noise_play(new NOISE(this, emu));
  42         drec->set_context_noise_stop(new NOISE(this, emu));
  43         drec->set_context_noise_fast(new NOISE(this, emu));
  44         psg = new SN76489AN(this, emu);
  45         vdp = new TMS9918A(this, emu);
  46         cpu = new TMS9995(this, emu);
  47
  48         memory = new MEMORY(this, emu);
  49
  50         // set contexts
  51         event->set_context_cpu(cpu);
  52         event->set_context_sound(psg);
  53         event->set_context_sound(drec);
  54         event->set_context_sound(drec->get_context_noise_play());
  55         event->set_context_sound(drec->get_context_noise_stop());
  56         event->set_context_sound(drec->get_context_noise_fast());
  57
  58         drec->set_context_ear(memory, 0, 1);
  59         memory->set_context_cmt(drec);
  60         memory->set_context_cpu(cpu);
  61         memory->set_context_psg(psg);
  62         memory->set_context_vdp(vdp);
  63
  64         // cpu bus
  65         cpu->set_context_mem(memory);
  66         cpu->set_context_io(memory);
  67 #ifdef USE_DEBUGGER
  68         cpu->set_context_debugger(new DEBUGGER(this, emu));
  69 #endif
  70
  71         // initialize all devices
  72 #if defined(__GIT_REPO_VERSION)
  73         strncpy(_git_revision, __GIT_REPO_VERSION, sizeof(_git_revision) - 1);
  74 #endif
  75         for(DEVICE* device = first_device; device; device = device->next_device) {
  76                 device->initialize();
  77         }
  78 }
  79
  80 VM::~VM()
  81 {
  82         // delete all devices
  83         for(DEVICE* device = first_device; device;) {
  84                 DEVICE *next_device = device->next_device;
  85                 device->release();
  86                 delete device;
  87                 device = next_device;
  88         }
  89 }
  90
  91 DEVICE* VM::get_device(int id)
  92 {
  93         for(DEVICE* device = first_device; device; device = device->next_device) {
  94                 if(device->this_device_id == id) {
  95                         return device;
  96                 }
  97         }
  98         return NULL;
  99 }
 100
 101 // ----------------------------------------------------------------------------
 102 // drive virtual machine
 103 // ----------------------------------------------------------------------------
 104
 105 void VM::reset()
 106 {
 107         // reset all devices
 108         for(DEVICE* device = first_device; device; device = device->next_device) {
 109                 device->reset();
 110         }
 111 }
 112
 113 void VM::run()
 114 {
 115         event->drive();
 116 }
 117
 118 // ----------------------------------------------------------------------------
 119 // debugger
 120 // ----------------------------------------------------------------------------
 121
 122 #ifdef USE_DEBUGGER
 123 DEVICE *VM::get_cpu(int index)
 124 {
 125         if(index == 0) {
 126                 return cpu;
 127         }
 128         return NULL;
 129 }
 130 #endif
 131
 132 // ----------------------------------------------------------------------------
 133 // draw screen
 134 // ----------------------------------------------------------------------------
 135
 136 void VM::draw_screen()
 137 {
 138         vdp->draw_screen();
 139 }
 140
 141 // ----------------------------------------------------------------------------
 142 // soud manager
 143 // ----------------------------------------------------------------------------
 144
 145 void VM::initialize_sound(int rate, int samples)
 146 {
 147         // init sound manager
 148         event->initialize_sound(rate, samples);
 149
 150         // init sound gen
 151         psg->initialize_sound(rate, 3579545, 8000);
 152 }
 153
 154 uint16_t* VM::create_sound(int* extra_frames)
 155 {
 156         return event->create_sound(extra_frames);
 157 }
 158
 159 int VM::get_sound_buffer_ptr()
 160 {
 161         return event->get_sound_buffer_ptr();
 162 }
 163
 164 #ifdef USE_SOUND_VOLUME
 165 void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
 166 {
 167         if(ch == 0) {
 168                 psg->set_volume(0, decibel_l, decibel_r);
 169         } else if(ch == 1) {
 170                 drec->set_volume(0, decibel_l, decibel_r);
 171         } else if(ch == 2) {
 172                 drec->get_context_noise_play()->set_volume(0, decibel_l, decibel_r);
 173                 drec->get_context_noise_stop()->set_volume(0, decibel_l, decibel_r);
 174                 drec->get_context_noise_fast()->set_volume(0, decibel_l, decibel_r);
 175         }
 176 }
 177 #endif
 178
 179 // ----------------------------------------------------------------------------
 180 // user interface
 181 // ----------------------------------------------------------------------------
 182
 183 void VM::open_cart(int drv, const _TCHAR* file_path)
 184 {
 185         if(drv == 0) {
 186                 memory->open_cart(file_path);
 187                 reset();
 188         }
 189 }
 190
 191 void VM::close_cart(int drv)
 192 {
 193         if(drv == 0) {
 194                 memory->close_cart();
 195                 reset();
 196         }
 197 }
 198
 199 bool VM::is_cart_inserted(int drv)
 200 {
 201         if(drv == 0) {
 202                 return memory->is_cart_inserted();
 203         } else {
 204                 return false;
 205         }
 206 }
 207
 208 void VM::play_tape(int drv, const _TCHAR* file_path)
 209 {
 210         drec->play_tape(file_path);
 211 //      drec->set_remote(true);
 212 }
 213
 214 void VM::rec_tape(int drv, const _TCHAR* file_path)
 215 {
 216         drec->rec_tape(file_path);
 217 //      drec->set_remote(true);
 218 }
 219
 220 void VM::close_tape(int drv)
 221 {
 222         emu->lock_vm();
 223         drec->close_tape();
 224         emu->unlock_vm();
 225 //      drec->set_remote(false);
 226 }
 227
 228 bool VM::is_tape_inserted(int drv)
 229 {
 230         return drec->is_tape_inserted();
 231 }
 232
 233 bool VM::is_tape_playing(int drv)
 234 {
 235         return drec->is_tape_playing();
 236 }
 237
 238 bool VM::is_tape_recording(int drv)
 239 {
 240         return drec->is_tape_recording();
 241 }
 242
 243 int VM::get_tape_position(int drv)
 244 {
 245         return drec->get_tape_position();
 246 }
 247
 248 const _TCHAR* VM::get_tape_message(int drv)
 249 {
 250         return drec->get_message();
 251 }
 252
 253 void VM::push_play(int drv)
 254 {
 255         drec->set_ff_rew(0);
 256         drec->set_remote(true);
 257 }
 258
 259 void VM::push_stop(int drv)
 260 {
 261         drec->set_remote(false);
 262 }
 263
 264 void VM::push_fast_forward(int drv)
 265 {
 266         drec->set_ff_rew(1);
 267         drec->set_remote(true);
 268 }
 269
 270 void VM::push_fast_rewind(int drv)
 271 {
 272         drec->set_ff_rew(-1);
 273         drec->set_remote(true);
 274 }
 275
 276 bool VM::is_frame_skippable()
 277 {
 278         return event->is_frame_skippable();
 279 }
 280
 281 void VM::update_config()
 282 {
 283         for(DEVICE* device = first_device; device; device = device->next_device) {
 284                 device->update_config();
 285         }
 286 }
 287
 288 #define STATE_VERSION   4
 289
 290 bool VM::process_state(FILEIO* state_fio, bool loading)
 291 {
 292         if(!state_fio->StateCheckUint32(STATE_VERSION)) {
 293                 return false;
 294         }
 295         for(DEVICE* device = first_device; device; device = device->next_device) {
 296                 // Note: typeid(foo).name is fixed by recent ABI.Not dec 6.
 297                 // const char *name = typeid(*device).name();
 298                 //       But, using get_device_name() instead of typeid(foo).name() 20181008 K.O
 299                 const char *name = device->get_device_name();
 300                 int len = strlen(name);
 301
 302                 if(!state_fio->StateCheckInt32(len)) {
 303                         if(loading) {
 304                                 printf("Class name len Error: DEVID=%d EXPECT=%s\n", device->this_device_id, name);
 305                         }
 306                         return false;
 307                 }
 308                 if(!state_fio->StateCheckBuffer(name, len, 1)) {
 309                         if(loading) {
 310                                 printf("Class name Error: DEVID=%d EXPECT=%s\n", device->this_device_id, name);
 311                         }
 312                         return false;
 313                 }
 314                 if(!device->process_state(state_fio, loading)) {
 315                         if(loading) {
 316                                 printf("Data loading Error: DEVID=%d\n", device->this_device_id);
 317                         }
 318                         return false;
 319                 }
 320         }
 321         // Machine specified.
 322         return true;
 323 }