source/src/vm/smc777/smc777.cpp

   1 /*
   2         SONY SMC-70 Emulator 'eSMC-70'
   3         SONY SMC-777 Emulator 'eSMC-777'
   4
   5         Author : Takeda.Toshiya
   6         Date   : 2015.08.13-
   7
   8         [ virtual machine ]
   9 */
  10
  11 #include "smc777.h"
  12 #include "../../emu.h"
  13 #include "../device.h"
  14 #include "../event.h"
  15
  16 #include "../datarec.h"
  17 #include "../disk.h"
  18 #include "../hd46505.h"
  19 #include "../mb8877.h"
  20 #if defined(_SMC70)
  21 #include "../msm58321.h"
  22 #endif
  23 #include "../noise.h"
  24 #include "../pcm1bit.h"
  25 #if defined(_SMC777)
  26 #include "../sn76489an.h"
  27 #endif
  28 #include "../z80.h"
  29
  30 #ifdef USE_DEBUGGER
  31 #include "../debugger.h"
  32 #endif
  33
  34 #include "memory.h"
  35
  36 // ----------------------------------------------------------------------------
  37 // initialize
  38 // ----------------------------------------------------------------------------
  39
  40 VM::VM(EMU* parent_emu) : VM_TEMPLATE(parent_emu)
  41 {
  42         // create devices
  43         first_device = last_device = NULL;
  44         dummy = new DEVICE(this, emu);  // must be 1st device
  45         event = new EVENT(this, emu);   // must be 2nd device
  46         dummy->set_device_name(_T("1st Dummy"));
  47
  48         drec = new DATAREC(this, emu);
  49         drec->set_context_noise_play(new NOISE(this, emu));
  50         drec->set_context_noise_stop(new NOISE(this, emu));
  51         drec->set_context_noise_fast(new NOISE(this, emu));
  52         crtc = new HD46505(this, emu);
  53         fdc = new MB8877(this, emu);
  54         fdc->set_context_noise_seek(new NOISE(this, emu));
  55         fdc->set_context_noise_head_down(new NOISE(this, emu));
  56         fdc->set_context_noise_head_up(new NOISE(this, emu));
  57 #if defined(_SMC70)
  58         rtc = new MSM58321(this, emu);
  59 #endif
  60         pcm = new PCM1BIT(this, emu);
  61 #if defined(_SMC777)
  62         psg = new SN76489AN(this, emu);
  63 #endif
  64         cpu = new Z80(this, emu);
  65
  66         memory = new MEMORY(this, emu);
  67
  68         // set contexts
  69         event->set_context_cpu(cpu);
  70         event->set_context_sound(pcm);
  71 #if defined(_SMC777)
  72         event->set_context_sound(psg);
  73 #endif
  74         event->set_context_sound(drec);
  75         event->set_context_sound(fdc->get_context_noise_seek());
  76         event->set_context_sound(fdc->get_context_noise_head_down());
  77         event->set_context_sound(fdc->get_context_noise_head_up());
  78         event->set_context_sound(drec->get_context_noise_play());
  79         event->set_context_sound(drec->get_context_noise_stop());
  80         event->set_context_sound(drec->get_context_noise_fast());
  81
  82         // Sound:: Force realtime rendering. This is temporally fix. 20161024 K.O
  83         //pcm->set_realtime_render(true);
  84
  85         drec->set_context_ear(memory, SIG_MEMORY_DATAREC_IN, 1);
  86         crtc->set_context_disp(memory, SIG_MEMORY_CRTC_DISP, 1);
  87         crtc->set_context_vsync(memory, SIG_MEMORY_CRTC_VSYNC, 1);
  88         fdc->set_context_drq(memory, SIG_MEMORY_FDC_DRQ, 1);
  89         fdc->set_context_irq(memory, SIG_MEMORY_FDC_IRQ, 1);
  90 #if defined(_SMC70)
  91         rtc->set_context_data(memory, SIG_MEMORY_RTC_DATA, 0x0f, 0);
  92         rtc->set_context_busy(memory, SIG_MEMORY_RTC_BUSY, 1);
  93 #endif
  94
  95         memory->set_context_cpu(cpu);
  96         memory->set_context_crtc(crtc, crtc->get_regs());
  97         memory->set_context_drec(drec);
  98         memory->set_context_fdc(fdc);
  99         memory->set_context_pcm(pcm);
 100 #if defined(_SMC70)
 101         memory->set_context_rtc(rtc);
 102 #elif defined(_SMC777)
 103         memory->set_context_psg(psg);
 104 #endif
 105
 106         // cpu bus
 107         cpu->set_context_mem(memory);
 108         cpu->set_context_io(memory);
 109         cpu->set_context_intr(dummy);
 110 #ifdef USE_DEBUGGER
 111         cpu->set_context_debugger(new DEBUGGER(this, emu));
 112 #endif
 113
 114         // initialize all devices
 115 #if defined(__GIT_REPO_VERSION)
 116         strncpy(_git_revision, __GIT_REPO_VERSION, sizeof(_git_revision) - 1);
 117 #endif
 118         for(DEVICE* device = first_device; device; device = device->next_device) {
 119                 device->initialize();
 120         }
 121         decl_state();
 122         for(int i = 0; i < MAX_DRIVE; i++) {
 123                 fdc->set_drive_type(i, DRIVE_TYPE_2DD); // 1DD
 124                 fdc->set_drive_rpm(i, 600);
 125         }
 126         fdc->write_signal(SIG_MB8877_MOTOR, 1, 1);
 127 }
 128
 129 VM::~VM()
 130 {
 131         // delete all devices
 132         for(DEVICE* device = first_device; device;) {
 133                 DEVICE *next_device = device->next_device;
 134                 device->release();
 135                 delete device;
 136                 device = next_device;
 137         }
 138 }
 139
 140 DEVICE* VM::get_device(int id)
 141 {
 142         for(DEVICE* device = first_device; device; device = device->next_device) {
 143                 if(device->this_device_id == id) {
 144                         return device;
 145                 }
 146         }
 147         return NULL;
 148 }
 149
 150 // ----------------------------------------------------------------------------
 151 // drive virtual machine
 152 // ----------------------------------------------------------------------------
 153
 154 void VM::reset()
 155 {
 156         // reset all devices
 157         for(DEVICE* device = first_device; device; device = device->next_device) {
 158                 device->reset();
 159         }
 160         memory->warm_start = false;
 161 }
 162
 163 void VM::special_reset()
 164 {
 165         // reset all devices
 166         for(DEVICE* device = first_device; device; device = device->next_device) {
 167                 device->reset();
 168         }
 169         memory->warm_start = true;
 170 }
 171
 172 void VM::run()
 173 {
 174         event->drive();
 175 }
 176
 177 double VM::get_frame_rate()
 178 {
 179         return event->get_frame_rate();
 180 }
 181
 182 // ----------------------------------------------------------------------------
 183 // debugger
 184 // ----------------------------------------------------------------------------
 185
 186 #ifdef USE_DEBUGGER
 187 DEVICE *VM::get_cpu(int index)
 188 {
 189         if(index == 0) {
 190                 return cpu;
 191         }
 192         return NULL;
 193 }
 194 #endif
 195
 196 // ----------------------------------------------------------------------------
 197 // draw screen
 198 // ----------------------------------------------------------------------------
 199
 200 void VM::draw_screen()
 201 {
 202         memory->draw_screen();
 203 }
 204
 205 // ----------------------------------------------------------------------------
 206 // soud manager
 207 // ----------------------------------------------------------------------------
 208
 209 void VM::initialize_sound(int rate, int samples)
 210 {
 211         // init sound manager
 212         event->initialize_sound(rate, samples);
 213
 214         // init sound gen
 215         pcm->initialize_sound(rate, 5000);
 216 #if defined(_SMC777)
 217         psg->initialize_sound(rate, CPU_CLOCKS, 5000);
 218 #endif
 219 }
 220
 221 uint16_t* VM::create_sound(int* extra_frames)
 222 {
 223         return event->create_sound(extra_frames);
 224 }
 225
 226 int VM::get_sound_buffer_ptr()
 227 {
 228         return event->get_sound_buffer_ptr();
 229 }
 230
 231 #ifdef USE_SOUND_VOLUME
 232 void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
 233 {
 234 #if defined(_SMC777)
 235         if(ch-- == 0) {
 236                 psg->set_volume(0, decibel_l, decibel_r);
 237         } else
 238 #endif
 239         if(ch-- == 0) {
 240                 pcm->set_volume(0, decibel_l, decibel_r);
 241         } else if(ch-- == 0) {
 242                 drec->set_volume(0, decibel_l, decibel_r);
 243         } else if(ch-- == 0) {
 244                 fdc->get_context_noise_seek()->set_volume(0, decibel_l, decibel_r);
 245                 fdc->get_context_noise_head_down()->set_volume(0, decibel_l, decibel_r);
 246                 fdc->get_context_noise_head_up()->set_volume(0, decibel_l, decibel_r);
 247         } else if(ch-- == 0) {
 248                 drec->get_context_noise_play()->set_volume(0, decibel_l, decibel_r);
 249                 drec->get_context_noise_stop()->set_volume(0, decibel_l, decibel_r);
 250                 drec->get_context_noise_fast()->set_volume(0, decibel_l, decibel_r);
 251         }
 252 }
 253 #endif
 254
 255 // ----------------------------------------------------------------------------
 256 // notify key
 257 // ----------------------------------------------------------------------------
 258
 259 void VM::key_down(int code, bool repeat)
 260 {
 261         if(!repeat) {
 262                 memory->key_down_up(code, true);
 263         }
 264 }
 265
 266 void VM::key_up(int code)
 267 {
 268         memory->key_down_up(code, false);
 269 }
 270
 271 bool VM::get_caps_locked()
 272 {
 273         return memory->get_caps_locked();
 274 }
 275
 276 bool VM::get_kana_locked()
 277 {
 278         return memory->get_kana_locked();
 279 }
 280
 281 // ----------------------------------------------------------------------------
 282 // user interface
 283 // ----------------------------------------------------------------------------
 284
 285 void VM::open_floppy_disk(int drv, const _TCHAR* file_path, int bank)
 286 {
 287         fdc->open_disk(drv, file_path, bank);
 288 }
 289
 290 void VM::close_floppy_disk(int drv)
 291 {
 292         fdc->close_disk(drv);
 293 }
 294
 295 bool VM::is_floppy_disk_inserted(int drv)
 296 {
 297         return fdc->is_disk_inserted(drv);
 298 }
 299
 300 void VM::is_floppy_disk_protected(int drv, bool value)
 301 {
 302         fdc->is_disk_protected(drv, value);
 303 }
 304
 305 bool VM::is_floppy_disk_protected(int drv)
 306 {
 307         return fdc->is_disk_protected(drv);
 308 }
 309
 310 uint32_t VM::is_floppy_disk_accessed()
 311 {
 312         return fdc->read_signal(0);
 313 }
 314
 315 void VM::play_tape(int drv, const _TCHAR* file_path)
 316 {
 317         drec->play_tape(file_path);
 318 //      drec->set_remote(true);
 319 }
 320
 321 void VM::rec_tape(int drv, const _TCHAR* file_path)
 322 {
 323         drec->rec_tape(file_path);
 324 //      drec->set_remote(true);
 325 }
 326
 327 void VM::close_tape(int drv)
 328 {
 329         emu->lock_vm();
 330         drec->close_tape();
 331         emu->unlock_vm();
 332 //      drec->set_remote(false);
 333 }
 334
 335 bool VM::is_tape_inserted(int drv)
 336 {
 337         return drec->is_tape_inserted();
 338 }
 339
 340 bool VM::is_tape_playing(int drv)
 341 {
 342         return drec->is_tape_playing();
 343 }
 344
 345 bool VM::is_tape_recording(int drv)
 346 {
 347         return drec->is_tape_recording();
 348 }
 349
 350 int VM::get_tape_position(int drv)
 351 {
 352         return drec->get_tape_position();
 353 }
 354
 355 const _TCHAR* VM::get_tape_message(int drv)
 356 {
 357         return drec->get_message();
 358 }
 359
 360 void VM::push_play(int drv)
 361 {
 362         drec->set_ff_rew(0);
 363         drec->set_remote(true);
 364 }
 365
 366 void VM::push_stop(int drv)
 367 {
 368         drec->set_remote(false);
 369 }
 370
 371 void VM::push_fast_forward(int drv)
 372 {
 373         drec->set_ff_rew(1);
 374         drec->set_remote(true);
 375 }
 376
 377 void VM::push_fast_rewind(int drv)
 378 {
 379         drec->set_ff_rew(-1);
 380         drec->set_remote(true);
 381 }
 382
 383 bool VM::is_frame_skippable()
 384 {
 385         return event->is_frame_skippable();
 386 }
 387
 388 void VM::update_config()
 389 {
 390         for(DEVICE* device = first_device; device; device = device->next_device) {
 391                 device->update_config();
 392         }
 393 }
 394
 395 #define STATE_VERSION   4
 396
 397 #include "../../statesub.h"
 398 #include "../../qt/gui/csp_logger.h"
 399 extern CSP_Logger DLL_PREFIX_I *csp_logger;
 400
 401 void VM::decl_state(void)
 402 {
 403 #if defined(_SMC70)
 404         state_entry = new csp_state_utils(STATE_VERSION, 0, (_TCHAR *)(_T("CSP::SMC_70_HEAD")), csp_logger);
 405 #elif defined(_SMC777)
 406         state_entry = new csp_state_utils(STATE_VERSION, 0, (_TCHAR *)(_T("CSP::SMC_777_HEAD")), csp_logger);
 407 #else
 408         state_entry = new csp_state_utils(STATE_VERSION, 0, (_TCHAR *)(_T("CSP::SMC_70_SERIES_HEAD")), csp_logger);
 409 #endif
 410         for(DEVICE* device = first_device; device; device = device->next_device) {
 411                 device->decl_state();
 412         }
 413 }
 414
 415 void VM::save_state(FILEIO* state_fio)
 416 {
 417         //state_fio->FputUint32(STATE_VERSION);
 418
 419         if(state_entry != NULL) {
 420                 state_entry->save_state(state_fio);
 421         }
 422         for(DEVICE* device = first_device; device; device = device->next_device) {
 423                 device->save_state(state_fio);
 424         }
 425 }
 426
 427 bool VM::load_state(FILEIO* state_fio)
 428 {
 429         //if(state_fio->FgetUint32() != STATE_VERSION) {
 430         //      return false;
 431         //}
 432         bool mb = false;
 433         if(state_entry != NULL) {
 434                 mb = state_entry->load_state(state_fio);
 435         }
 436         if(!mb) {
 437                 emu->out_debug_log("INFO: HEADER DATA ERROR");
 438                 return false;
 439         }
 440         for(DEVICE* device = first_device; device; device = device->next_device) {
 441                 if(!device->load_state(state_fio)) {
 442                         return false;
 443                 }
 444         }
 445         return true;
 446 }
 447