source/src/vm/mz2500/mz2500.cpp

   1 /*
   2         SHARP MZ-2500 Emulator 'EmuZ-2500'
   3
   4         Author : Takeda.Toshiya
   5         Date   : 2006.11.24 -
   6
   7         [ virtual machine ]
   8 */
   9
  10 #include "mz2500.h"
  11 #include "../../emu.h"
  12 #include "../device.h"
  13 #include "../event.h"
  14
  15 #include "../datarec.h"
  16 #include "../disk.h"
  17 #include "../harddisk.h"
  18 #include "../i8253.h"
  19 #include "../i8255.h"
  20 #include "../io.h"
  21 #include "../mb8877.h"
  22 #include "../mz1p17.h"
  23 #include "../noise.h"
  24 #include "../pcm1bit.h"
  25 //#include "../pcpr201.h"
  26 #include "../prnfile.h"
  27 #include "../rp5c01.h"
  28 #include "../scsi_hdd.h"
  29 #include "../scsi_host.h"
  30 #include "../w3100a.h"
  31 #include "../ym2203.h"
  32 #include "../z80.h"
  33 #include "../z80pio.h"
  34 #include "../z80sio.h"
  35
  36 #ifdef USE_DEBUGGER
  37 #include "../debugger.h"
  38 #endif
  39
  40 #include "calendar.h"
  41 #include "cmt.h"
  42 #include "crtc.h"
  43 #include "floppy.h"
  44 #include "interrupt.h"
  45 #include "joystick.h"
  46 #include "keyboard.h"
  47 #include "./memory.h"
  48 #include "mouse.h"
  49 #include "mz1e26.h"
  50 #include "mz1e30.h"
  51 #include "mz1r13.h"
  52 #include "mz1r37.h"
  53 #include "printer.h"
  54 #include "serial.h"
  55 #include "timer.h"
  56
  57 using MZ2500::CALENDAR;
  58 using MZ2500::CMT;
  59 using MZ2500::CRTC;
  60 using MZ2500::FLOPPY;
  61 using MZ2500::INTERRUPT;
  62 using MZ2500::JOYSTICK;
  63 using MZ2500::KEYBOARD;
  64 using MZ2500::MEMORY;
  65 using MZ2500::MOUSE;
  66 using MZ2500::MZ1E26;
  67 using MZ2500::MZ1E30;
  68 using MZ2500::MZ1R13;
  69 using MZ2500::MZ1R37;
  70 using MZ2500::PRINTER;
  71 using MZ2500::SERIAL;
  72 using MZ2500::TIMER;
  73
  74 // ----------------------------------------------------------------------------
  75 // initialize
  76 // ----------------------------------------------------------------------------
  77
  78 VM::VM(EMU_TEMPLATE* parent_emu) : VM_TEMPLATE(parent_emu)
  79 {
  80         // create devices
  81         first_device = last_device = NULL;
  82         dummy = new DEVICE(this, emu);  // must be 1st device
  83         event = new EVENT(this, emu);   // must be 2nd device
  84         dummy->set_device_name(_T("1st Dummy"));
  85
  86         drec = new DATAREC(this, emu);
  87         drec->set_context_noise_play(new NOISE(this, emu));
  88         drec->set_context_noise_stop(new NOISE(this, emu));
  89         drec->set_context_noise_fast(new NOISE(this, emu));
  90         pit = new I8253(this, emu);
  91         pio_i = new I8255(this, emu);
  92         io = new IO(this, emu);
  93         fdc = new MB8877(this, emu);
  94         fdc->set_context_noise_seek(new NOISE(this, emu));
  95         fdc->set_context_noise_head_down(new NOISE(this, emu));
  96         fdc->set_context_noise_head_up(new NOISE(this, emu));
  97 #ifdef USE_DEBUGGER
  98 //      fdc->set_context_debugger(new DEBUGGER(this, emu));
  99 #endif
 100         pcm = new PCM1BIT(this, emu);
 101 #ifdef USE_DEBUGGER
 102 //      pcm->set_context_debugger(new DEBUGGER(this, emu));
 103 #endif
 104         rtc = new RP5C01(this, emu);    // RP-5C15
 105         sasi_host = new SCSI_HOST(this, emu);
 106         sasi_hdd = new SASI_HDD(this, emu);
 107         sasi_hdd->set_device_name(_T("SASI Hard Disk Drive"));
 108         sasi_hdd->scsi_id = 0;
 109         sasi_hdd->bytes_per_sec = 32 * 1024; // 32KB/s
 110         for(int i = 0; i < USE_HARD_DISK; i++) {
 111                 sasi_hdd->set_disk_handler(i, new HARDDISK(emu));
 112         }
 113         sasi_hdd->set_context_interface(sasi_host);
 114         sasi_host->set_context_target(sasi_hdd);
 115         w3100a = new W3100A(this, emu);
 116         opn = new YM2203(this, emu);
 117 #ifdef USE_DEBUGGER
 118         opn->set_context_debugger(new DEBUGGER(this, emu));
 119 #endif
 120         cpu = new Z80(this, emu);
 121         pio = new Z80PIO(this, emu);
 122         sio = new Z80SIO(this, emu);
 123
 124         pio_i->set_device_name(_T("i8255 PIO(CMT/CRTC)"));
 125         pio->set_device_name(_T("Z80 PIO(KEYBOARD/CRTC)"));
 126         sio->set_device_name(_T("Z80 SIO(MOUSE)"));
 127
 128
 129         calendar = new CALENDAR(this, emu);
 130         cmt = new CMT(this, emu);
 131         crtc = new CRTC(this, emu);
 132         floppy = new FLOPPY(this, emu);
 133         interrupt = new INTERRUPT(this, emu);
 134         joystick = new JOYSTICK(this, emu);
 135         keyboard = new KEYBOARD(this, emu);
 136         memory = new MEMORY(this, emu);
 137         mouse = new MOUSE(this, emu);
 138         mz1e26 = new MZ1E26(this, emu);
 139         mz1e30 = new MZ1E30(this, emu);
 140         mz1r13 = new MZ1R13(this, emu);
 141         mz1r37 = new MZ1R37(this, emu);
 142         printer = new PRINTER(this, emu);
 143         serial = new SERIAL(this, emu);
 144         timer = new TIMER(this, emu);
 145         // set contexts
 146         event->set_context_cpu(cpu);
 147         event->set_context_sound(opn);
 148         event->set_context_sound(pcm);
 149         event->set_context_sound(drec);
 150         event->set_context_sound(fdc->get_context_noise_seek());
 151         event->set_context_sound(fdc->get_context_noise_head_down());
 152         event->set_context_sound(fdc->get_context_noise_head_up());
 153         event->set_context_sound(drec->get_context_noise_play());
 154         event->set_context_sound(drec->get_context_noise_stop());
 155         event->set_context_sound(drec->get_context_noise_fast());
 156
 157         drec->set_context_ear(cmt, SIG_CMT_OUT, 1);
 158         drec->set_context_remote(cmt, SIG_CMT_REMOTE, 1);
 159         drec->set_context_end(cmt, SIG_CMT_END, 1);
 160         drec->set_context_top(cmt, SIG_CMT_TOP, 1);
 161
 162         pit->set_context_ch0(interrupt, SIG_INTERRUPT_I8253, 1);
 163         pit->set_context_ch0(pit, SIG_I8253_CLOCK_1, 1);
 164         pit->set_context_ch1(pit, SIG_I8253_CLOCK_2, 1);
 165         pit->set_constant_clock(0, 31250);
 166         pio_i->set_context_port_a(cmt, SIG_CMT_PIO_PA, 0xff, 0);
 167         pio_i->set_context_port_c(cmt, SIG_CMT_PIO_PC, 0xff, 0);
 168         pio_i->set_context_port_c(crtc, SIG_CRTC_MASK, 0x01, 0);
 169         pio_i->set_context_port_c(pcm, SIG_PCM1BIT_SIGNAL, 0x04, 0);
 170         // Sound:: Force realtime rendering. This is temporally fix. 20161024 K.O
 171         //pcm->set_realtime_render(true);
 172
 173
 174         rtc->set_context_alarm(interrupt, SIG_INTERRUPT_RP5C15, 1);
 175         rtc->set_context_pulse(opn, SIG_YM2203_PORT_B, 8);
 176         sasi_host->set_context_irq(mz1e30, SIG_MZ1E30_IRQ, 1);
 177         sasi_host->set_context_drq(mz1e30, SIG_MZ1E30_DRQ, 1);
 178         opn->set_context_port_a(floppy, SIG_FLOPPY_REVERSE, 0x02, 0);
 179         opn->set_context_port_a(crtc, SIG_CRTC_PALLETE, 0x04, 0);
 180         opn->set_context_port_a(mouse, SIG_MOUSE_SEL, 0x08, 0);
 181         pio->set_context_port_a(crtc, SIG_CRTC_COLUMN_SIZE, 0x20, 0);
 182         pio->set_context_port_a(keyboard, SIG_KEYBOARD_COLUMN, 0x1f, 0);
 183         sio->set_context_dtr(1, mouse, SIG_MOUSE_DTR, 1);
 184
 185         calendar->set_context_rtc(rtc);
 186         cmt->set_context_pio(pio_i);
 187         cmt->set_context_drec(drec);
 188         crtc->set_context_mem(memory);
 189         crtc->set_context_int(interrupt);
 190         crtc->set_context_pio(pio_i);
 191         crtc->set_vram_ptr(memory->get_vram());
 192         crtc->set_tvram_ptr(memory->get_tvram());
 193         crtc->set_kanji_ptr(memory->get_kanji());
 194         crtc->set_pcg_ptr(memory->get_pcg());
 195         floppy->set_context_fdc(fdc);
 196         keyboard->set_context_pio_i(pio_i);
 197         keyboard->set_context_pio(pio);
 198         memory->set_context_cpu(cpu);
 199         memory->set_context_crtc(crtc);
 200         mouse->set_context_sio(sio);
 201         mz1e30->set_context_host(sasi_host);
 202         if(config.printer_type == 0) {
 203                 printer->set_context_prn(new PRNFILE(this, emu));
 204         } else if(config.printer_type == 1) {
 205                 MZ1P17 *mz1p17 = new MZ1P17(this, emu);
 206                 mz1p17->mode = MZ1P17_MODE_MZ1;
 207                 printer->set_context_prn(mz1p17);
 208 //      } else if(config.printer_type == 2) {
 209 //              printer->set_context_prn(new PCPR201(this, emu));
 210         } else {
 211                 printer->set_context_prn(dummy);
 212         }
 213         serial->set_context_sio(sio);
 214         timer->set_context_pit(pit);
 215
 216         // cpu bus
 217         cpu->set_context_mem(memory);
 218         cpu->set_context_io(io);
 219         cpu->set_context_intr(pio);
 220 #ifdef USE_DEBUGGER
 221         cpu->set_context_debugger(new DEBUGGER(this, emu));
 222 #endif
 223
 224         // z80 family daisy chain
 225         pio->set_context_intr(cpu, 0);
 226         pio->set_context_child(sio);
 227         sio->set_context_intr(cpu, 1);
 228         sio->set_context_child(interrupt);
 229         interrupt->set_context_intr(cpu, 2);
 230
 231         // i/o bus
 232         io->set_iomap_range_rw(0x60, 0x63, w3100a);
 233         io->set_iomap_range_rw(0xa0, 0xa3, serial);
 234         io->set_iomap_range_rw(0xa4, 0xa5, mz1e30);
 235         io->set_iomap_range_rw(0xa8, 0xa9, mz1e30);
 236         io->set_iomap_range_rw(0xac, 0xad, mz1r37);
 237         io->set_iomap_single_w(0xae, crtc);
 238         io->set_iomap_range_rw(0xb0, 0xb3, serial);
 239         io->set_iomap_range_rw(0xb4, 0xb5, memory);
 240         io->set_iomap_range_rw(0xb8, 0xb9, mz1r13);
 241         io->set_iomap_range_rw(0xbc, 0xbf, crtc);
 242         io->set_iomap_range_w(0xc6, 0xc7, interrupt);
 243         io->set_iomap_range_rw(0xc8, 0xc9, opn);
 244         io->set_iomap_single_rw(0xca, mz1e26);
 245         io->set_iomap_single_rw(0xcc, calendar);
 246         io->set_iomap_single_w(0xcd, serial);
 247         io->set_iomap_range_w(0xce, 0xcf, memory);
 248         io->set_iomap_range_rw(0xd8, 0xdb, fdc);
 249         io->set_iomap_range_w(0xdc, 0xdd, floppy);
 250         io->set_iomap_range_rw(0xe0, 0xe3, pio_i);
 251         io->set_iomap_range_rw(0xe4, 0xe7, pit);
 252         io->set_iomap_range_rw(0xe8, 0xeb, pio);
 253         io->set_iomap_single_rw(0xef, joystick);
 254         io->set_iomap_range_w(0xf0, 0xf3, timer);
 255         io->set_iomap_range_rw(0xf4, 0xf7, crtc);
 256         io->set_iomap_range_rw(0xfe, 0xff, printer);
 257
 258         io->set_iowait_range_rw(0xc8, 0xc9, 1);
 259         io->set_iowait_single_rw(0xcc, 3);
 260         io->set_iowait_range_rw(0xd8, 0xdf, 1);
 261         io->set_iowait_range_rw(0xe8, 0xeb, 1);
 262
 263         // initialize all devices
 264 #if defined(__GIT_REPO_VERSION)
 265         strncpy(_git_revision, __GIT_REPO_VERSION, sizeof(_git_revision) - 1);
 266 #endif
 267         for(DEVICE* device = first_device; device; device = device->next_device) {
 268                 device->initialize();
 269         }
 270
 271         for(int drv = 0; drv < MAX_DRIVE; drv++) {
 272 //              if(config.drive_type) {
 273 //                      fdc->set_drive_type(drv, DRIVE_TYPE_2D);
 274 //              } else {
 275                         fdc->set_drive_type(drv, DRIVE_TYPE_2DD);
 276 //              }
 277         }
 278         for(int drv = 0; drv < USE_HARD_DISK; drv++) {
 279                 if(!(config.last_hard_disk_path[drv][0] != _T('\0') && FILEIO::IsFileExisting(config.last_hard_disk_path[drv]))) {
 280                         create_local_path(config.last_hard_disk_path[drv], _MAX_PATH, _T("SASI%d.DAT"), drv);
 281                 }
 282         }
 283         monitor_type = config.monitor_type;
 284 }
 285
 286 VM::~VM()
 287 {
 288         // delete all devices
 289         for(DEVICE* device = first_device; device;) {
 290                 DEVICE *next_device = device->next_device;
 291                 device->release();
 292                 delete device;
 293                 device = next_device;
 294         }
 295 }
 296
 297 DEVICE* VM::get_device(int id)
 298 {
 299         for(DEVICE* device = first_device; device; device = device->next_device) {
 300                 if(device->this_device_id == id) {
 301                         return device;
 302                 }
 303         }
 304         return NULL;
 305 }
 306
 307 // ----------------------------------------------------------------------------
 308 // drive virtual machine
 309 // ----------------------------------------------------------------------------
 310
 311 void VM::reset()
 312 {
 313         // reset all devices
 314         for(DEVICE* device = first_device; device; device = device->next_device) {
 315                 device->reset();
 316         }
 317
 318         // set initial port status
 319         opn->write_signal(SIG_YM2203_PORT_B, (monitor_type & 2) ? 0x77 : 0x37, 0xff);
 320 }
 321
 322 void VM::special_reset(int num)
 323 {
 324         // reset all devices
 325 //      for(DEVICE* device = first_device; device; device = device->next_device) {
 326 //              device->special_reset();
 327 //      }
 328         memory->special_reset(num);
 329         cpu->reset();
 330 }
 331
 332 void VM::run()
 333 {
 334         event->drive();
 335 }
 336
 337 double VM::get_frame_rate()
 338 {
 339         return event->get_frame_rate();
 340 }
 341
 342 // ----------------------------------------------------------------------------
 343 // debugger
 344 // ----------------------------------------------------------------------------
 345
 346 #ifdef USE_DEBUGGER
 347 DEVICE *VM::get_cpu(int index)
 348 {
 349         if(index == 0) {
 350                 return cpu;
 351         }
 352         return NULL;
 353 }
 354 #endif
 355
 356 // ----------------------------------------------------------------------------
 357 // draw screen
 358 // ----------------------------------------------------------------------------
 359
 360 void VM::draw_screen()
 361 {
 362         crtc->draw_screen();
 363 }
 364
 365 // ----------------------------------------------------------------------------
 366 // soud manager
 367 // ----------------------------------------------------------------------------
 368
 369 void VM::initialize_sound(int rate, int samples)
 370 {
 371         // init sound manager
 372         event->initialize_sound(rate, samples);
 373
 374         // init sound gen
 375         opn->initialize_sound(rate, 2000000, samples, 0, -8);
 376         pcm->initialize_sound(rate, 4096);
 377 }
 378
 379 uint16_t* VM::create_sound(int* extra_frames)
 380 {
 381         return event->create_sound(extra_frames);
 382 }
 383
 384 int VM::get_sound_buffer_ptr()
 385 {
 386         return event->get_sound_buffer_ptr();
 387 }
 388
 389 #ifdef USE_SOUND_VOLUME
 390 void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
 391 {
 392         if(ch == 0) {
 393                 opn->set_volume(0, decibel_l, decibel_r);
 394         } else if(ch == 1) {
 395                 opn->set_volume(1, decibel_l, decibel_r);
 396         } else if(ch == 2) {
 397                 pcm->set_volume(0, decibel_l, decibel_r);
 398         } else if(ch == 3) {
 399                 drec->set_volume(0, decibel_l, decibel_r);
 400         } else if(ch == 4) {
 401                 drec->set_volume(1, decibel_l, decibel_r);
 402         } else if(ch == 5) {
 403                 fdc->get_context_noise_seek()->set_volume(0, decibel_l, decibel_r);
 404                 fdc->get_context_noise_head_down()->set_volume(0, decibel_l, decibel_r);
 405                 fdc->get_context_noise_head_up()->set_volume(0, decibel_l, decibel_r);
 406         } else if(ch == 6) {
 407                 drec->get_context_noise_play()->set_volume(0, decibel_l, decibel_r);
 408                 drec->get_context_noise_stop()->set_volume(0, decibel_l, decibel_r);
 409                 drec->get_context_noise_fast()->set_volume(0, decibel_l, decibel_r);
 410         }
 411 }
 412 #endif
 413
 414 // ----------------------------------------------------------------------------
 415 // socket
 416 // ----------------------------------------------------------------------------
 417
 418 void VM::notify_socket_connected(int ch)
 419 {
 420         w3100a->notify_connected(ch);
 421 }
 422
 423 void VM::notify_socket_disconnected(int ch)
 424 {
 425         w3100a->notify_disconnected(ch);
 426 }
 427
 428 uint8_t* VM::get_socket_send_buffer(int ch, int* size)
 429 {
 430         return w3100a->get_send_buffer(ch, size);
 431 }
 432
 433 void VM::inc_socket_send_buffer_ptr(int ch, int size)
 434 {
 435         w3100a->inc_send_buffer_ptr(ch, size);
 436 }
 437
 438 uint8_t* VM::get_socket_recv_buffer0(int ch, int* size0, int* size1)
 439 {
 440         return w3100a->get_recv_buffer0(ch, size0, size1);
 441 }
 442
 443 uint8_t* VM::get_socket_recv_buffer1(int ch)
 444 {
 445         return w3100a->get_recv_buffer1(ch);
 446 }
 447
 448 void VM::inc_socket_recv_buffer_ptr(int ch, int size)
 449 {
 450         w3100a->inc_recv_buffer_ptr(ch, size);
 451 }
 452
 453 // ----------------------------------------------------------------------------
 454 // user interface
 455 // ----------------------------------------------------------------------------
 456
 457 void VM::open_floppy_disk(int drv, const _TCHAR* file_path, int bank)
 458 {
 459         fdc->open_disk(drv, file_path, bank);
 460
 461         if(fdc->get_media_type(drv) == MEDIA_TYPE_2DD) {
 462                 if(fdc->get_drive_type(drv) == DRIVE_TYPE_2D) {
 463                         fdc->set_drive_type(drv, DRIVE_TYPE_2DD);
 464                 }
 465         } else if(fdc->get_media_type(drv) == MEDIA_TYPE_2D) {
 466                 if(fdc->get_drive_type(drv) == DRIVE_TYPE_2DD) {
 467                         fdc->set_drive_type(drv, DRIVE_TYPE_2D);
 468                 }
 469         }
 470 }
 471
 472 void VM::close_floppy_disk(int drv)
 473 {
 474         fdc->close_disk(drv);
 475 }
 476
 477 bool VM::is_floppy_disk_inserted(int drv)
 478 {
 479         return fdc->is_disk_inserted(drv);
 480 }
 481
 482 void VM::is_floppy_disk_protected(int drv, bool value)
 483 {
 484         fdc->is_disk_protected(drv, value);
 485 }
 486
 487 bool VM::is_floppy_disk_protected(int drv)
 488 {
 489         return fdc->is_disk_protected(drv);
 490 }
 491
 492 uint32_t VM::is_floppy_disk_accessed()
 493 {
 494         return fdc->read_signal(0);
 495 }
 496
 497 void VM::open_hard_disk(int drv, const _TCHAR* file_path)
 498 {
 499         if(drv < USE_HARD_DISK) {
 500                 sasi_hdd->open(drv, file_path, 256);
 501         }
 502 }
 503
 504 void VM::close_hard_disk(int drv)
 505 {
 506         if(drv < USE_HARD_DISK) {
 507                 sasi_hdd->close(drv);
 508         }
 509 }
 510
 511 bool VM::is_hard_disk_inserted(int drv)
 512 {
 513         if(drv < USE_HARD_DISK) {
 514                 return sasi_hdd->mounted(drv);
 515         }
 516         return false;
 517 }
 518
 519 uint32_t VM::is_hard_disk_accessed()
 520 {
 521         uint32_t status = 0;
 522
 523         for(int drv = 0; drv < USE_HARD_DISK; drv++) {
 524                 if(sasi_hdd->accessed(drv)) {
 525                         status |= 1 << drv;
 526                 }
 527         }
 528         return status;
 529 }
 530
 531 void VM::play_tape(int drv, const _TCHAR* file_path)
 532 {
 533         bool remote = drec->get_remote();
 534         bool opened = drec->play_tape(file_path);
 535
 536         if(opened && remote) {
 537                 // if machine already sets remote on, start playing now
 538                 push_play(drv);
 539         }
 540         cmt->close_tape();
 541         cmt->play_tape(opened);
 542 }
 543
 544 void VM::rec_tape(int drv, const _TCHAR* file_path)
 545 {
 546         bool remote = drec->get_remote();
 547         bool opened = drec->rec_tape(file_path);
 548
 549         if(opened && remote) {
 550                 // if machine already sets remote on, start recording now
 551                 push_play(drv);
 552         }
 553         cmt->close_tape();
 554         cmt->rec_tape(opened);
 555 }
 556
 557 void VM::close_tape(int drv)
 558 {
 559         emu->lock_vm();
 560         drec->close_tape();
 561         emu->unlock_vm();
 562         drec->set_remote(false);
 563         cmt->close_tape();
 564 }
 565
 566 bool VM::is_tape_inserted(int drv)
 567 {
 568         return drec->is_tape_inserted();
 569 }
 570
 571 bool VM::is_tape_playing(int drv)
 572 {
 573         return drec->is_tape_playing();
 574 }
 575
 576 bool VM::is_tape_recording(int drv)
 577 {
 578         return drec->is_tape_recording();
 579 }
 580
 581 int VM::get_tape_position(int drv)
 582 {
 583         return drec->get_tape_position();
 584 }
 585
 586 const _TCHAR* VM::get_tape_message(int drv)
 587 {
 588         return drec->get_message();
 589 }
 590
 591 void VM::push_play(int drv)
 592 {
 593         drec->set_remote(false);
 594         drec->set_ff_rew(0);
 595         drec->set_remote(true);
 596 }
 597
 598 void VM::push_stop(int drv)
 599 {
 600         drec->set_remote(false);
 601 }
 602
 603 void VM::push_fast_forward(int drv)
 604 {
 605         drec->set_remote(false);
 606         drec->set_ff_rew(1);
 607         drec->set_remote(true);
 608 }
 609
 610 void VM::push_fast_rewind(int drv)
 611 {
 612         drec->set_remote(false);
 613         drec->set_ff_rew(-1);
 614         drec->set_remote(true);
 615 }
 616
 617 bool VM::is_frame_skippable()
 618 {
 619         return event->is_frame_skippable();
 620 }
 621
 622 void VM::update_config()
 623 {
 624         for(DEVICE* device = first_device; device; device = device->next_device) {
 625                 device->update_config();
 626         }
 627 }
 628
 629 double VM::get_current_usec()
 630 {
 631         if(event == NULL) return 0.0;
 632         return event->get_current_usec();
 633 }
 634
 635 uint64_t VM::get_current_clock_uint64()
 636 {
 637                 if(event == NULL) return (uint64_t)0;
 638                 return event->get_current_clock_uint64();
 639 }
 640
 641 #define STATE_VERSION   8
 642
 643 bool VM::process_state(FILEIO* state_fio, bool loading)
 644 {
 645         if(!state_fio->StateCheckUint32(STATE_VERSION)) {
 646                 return false;
 647         }
 648         for(DEVICE* device = first_device; device; device = device->next_device) {
 649                 // Note: typeid(foo).name is fixed by recent ABI.Not dec 6.
 650                 // const char *name = typeid(*device).name();
 651                 //       But, using get_device_name() instead of typeid(foo).name() 20181008 K.O
 652                 const char *name = device->get_device_name();
 653                 int len = (int)strlen(name);
 654
 655                 if(!state_fio->StateCheckInt32(len)) {
 656                         if(loading) {
 657                                 printf("Class name len Error: DEVID=%d EXPECT=%s\n", device->this_device_id, name);
 658                         }
 659                         return false;
 660                 }
 661                 if(!state_fio->StateCheckBuffer(name, len, 1)) {
 662                         if(loading) {
 663                                 printf("Class name Error: DEVID=%d EXPECT=%s\n", device->this_device_id, name);
 664                         }
 665                         return false;
 666                 }
 667                 if(!device->process_state(state_fio, loading)) {
 668                         if(loading) {
 669                                 printf("Data loading Error: DEVID=%d\n", device->this_device_id);
 670                         }
 671                         return false;
 672                 }
 673         }
 674         // Machine specified.
 675         state_fio->StateValue(monitor_type);
 676         return true;
 677 }