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 // ----------------------------------------------------------------------------
  58 // initialize
  59 // ----------------------------------------------------------------------------
  60
  61 VM::VM(EMU* parent_emu) : VM_TEMPLATE(parent_emu)
  62 {
  63         // create devices
  64         first_device = last_device = NULL;
  65         dummy = new DEVICE(this, emu);  // must be 1st device
  66         event = new EVENT(this, emu);   // must be 2nd device
  67         dummy->set_device_name(_T("1st Dummy"));
  68
  69         drec = new DATAREC(this, emu);
  70         drec->set_context_noise_play(new NOISE(this, emu));
  71         drec->set_context_noise_stop(new NOISE(this, emu));
  72         drec->set_context_noise_fast(new NOISE(this, emu));
  73         pit = new I8253(this, emu);
  74         pio_i = new I8255(this, emu);
  75         io = new IO(this, emu);
  76         fdc = new MB8877(this, emu);
  77         fdc->set_context_noise_seek(new NOISE(this, emu));
  78         fdc->set_context_noise_head_down(new NOISE(this, emu));
  79         fdc->set_context_noise_head_up(new NOISE(this, emu));
  80         pcm = new PCM1BIT(this, emu);
  81         rtc = new RP5C01(this, emu);    // RP-5C15
  82         sasi_host = new SCSI_HOST(this, emu);
  83         sasi_hdd = new SCSI_HDD(this, emu);
  84         sasi_hdd->set_device_name(_T("SASI Hard Disk Drive"));
  85         sasi_hdd->scsi_id = 0;
  86         sasi_hdd->bytes_per_sec = 32 * 1024; // 32KB/s
  87         for(int i = 0; i < USE_HARD_DISK; i++) {
  88                 sasi_hdd->set_disk_handler(i, new HARDDISK(emu));
  89         }
  90         sasi_hdd->set_context_interface(sasi_host);
  91         sasi_host->set_context_target(sasi_hdd);
  92         w3100a = new W3100A(this, emu);
  93         opn = new YM2203(this, emu);
  94         cpu = new Z80(this, emu);
  95         pio = new Z80PIO(this, emu);
  96         sio = new Z80SIO(this, emu);
  97
  98         pio_i->set_device_name(_T("i8255 PIO(CMT/CRTC)"));
  99         pio->set_device_name(_T("Z80 PIO(KEYBOARD/CRTC)"));
 100         sio->set_device_name(_T("Z80 SIO(MOUSE)"));
 101
 102
 103         calendar = new CALENDAR(this, emu);
 104         cmt = new CMT(this, emu);
 105         crtc = new CRTC(this, emu);
 106         floppy = new FLOPPY(this, emu);
 107         interrupt = new INTERRUPT(this, emu);
 108         joystick = new JOYSTICK(this, emu);
 109         keyboard = new KEYBOARD(this, emu);
 110         memory = new MEMORY(this, emu);
 111         mouse = new MOUSE(this, emu);
 112         mz1e26 = new MZ1E26(this, emu);
 113         mz1e30 = new MZ1E30(this, emu);
 114         mz1r13 = new MZ1R13(this, emu);
 115         mz1r37 = new MZ1R37(this, emu);
 116         printer = new PRINTER(this, emu);
 117         serial = new SERIAL(this, emu);
 118         timer = new TIMER(this, emu);
 119         // set contexts
 120         event->set_context_cpu(cpu);
 121         event->set_context_sound(opn);
 122         event->set_context_sound(pcm);
 123         event->set_context_sound(drec);
 124         event->set_context_sound(fdc->get_context_noise_seek());
 125         event->set_context_sound(fdc->get_context_noise_head_down());
 126         event->set_context_sound(fdc->get_context_noise_head_up());
 127         event->set_context_sound(drec->get_context_noise_play());
 128         event->set_context_sound(drec->get_context_noise_stop());
 129         event->set_context_sound(drec->get_context_noise_fast());
 130
 131         drec->set_context_ear(cmt, SIG_CMT_OUT, 1);
 132         drec->set_context_remote(cmt, SIG_CMT_REMOTE, 1);
 133         drec->set_context_end(cmt, SIG_CMT_END, 1);
 134         drec->set_context_top(cmt, SIG_CMT_TOP, 1);
 135
 136         pit->set_context_ch0(interrupt, SIG_INTERRUPT_I8253, 1);
 137         pit->set_context_ch0(pit, SIG_I8253_CLOCK_1, 1);
 138         pit->set_context_ch1(pit, SIG_I8253_CLOCK_2, 1);
 139         pit->set_constant_clock(0, 31250);
 140         pio_i->set_context_port_a(cmt, SIG_CMT_PIO_PA, 0xff, 0);
 141         pio_i->set_context_port_c(cmt, SIG_CMT_PIO_PC, 0xff, 0);
 142         pio_i->set_context_port_c(crtc, SIG_CRTC_MASK, 0x01, 0);
 143         pio_i->set_context_port_c(pcm, SIG_PCM1BIT_SIGNAL, 0x04, 0);
 144         // Sound:: Force realtime rendering. This is temporally fix. 20161024 K.O
 145         //pcm->set_realtime_render(true);
 146
 147
 148         rtc->set_context_alarm(interrupt, SIG_INTERRUPT_RP5C15, 1);
 149         rtc->set_context_pulse(opn, SIG_YM2203_PORT_B, 8);
 150         sasi_host->set_context_irq(mz1e30, SIG_MZ1E30_IRQ, 1);
 151         sasi_host->set_context_drq(mz1e30, SIG_MZ1E30_DRQ, 1);
 152         opn->set_context_port_a(floppy, SIG_FLOPPY_REVERSE, 0x02, 0);
 153         opn->set_context_port_a(crtc, SIG_CRTC_PALLETE, 0x04, 0);
 154         opn->set_context_port_a(mouse, SIG_MOUSE_SEL, 0x08, 0);
 155         pio->set_context_port_a(crtc, SIG_CRTC_COLUMN_SIZE, 0x20, 0);
 156         pio->set_context_port_a(keyboard, SIG_KEYBOARD_COLUMN, 0x1f, 0);
 157         sio->set_context_dtr(1, mouse, SIG_MOUSE_DTR, 1);
 158
 159         calendar->set_context_rtc(rtc);
 160         cmt->set_context_pio(pio_i);
 161         cmt->set_context_drec(drec);
 162         crtc->set_context_mem(memory);
 163         crtc->set_context_int(interrupt);
 164         crtc->set_context_pio(pio_i);
 165         crtc->set_vram_ptr(memory->get_vram());
 166         crtc->set_tvram_ptr(memory->get_tvram());
 167         crtc->set_kanji_ptr(memory->get_kanji());
 168         crtc->set_pcg_ptr(memory->get_pcg());
 169         floppy->set_context_fdc(fdc);
 170         keyboard->set_context_pio_i(pio_i);
 171         keyboard->set_context_pio(pio);
 172         memory->set_context_cpu(cpu);
 173         memory->set_context_crtc(crtc);
 174         mouse->set_context_sio(sio);
 175         mz1e30->set_context_host(sasi_host);
 176         if(config.printer_type == 0) {
 177                 printer->set_context_prn(new PRNFILE(this, emu));
 178         } else if(config.printer_type == 1) {
 179                 MZ1P17 *mz1p17 = new MZ1P17(this, emu);
 180                 mz1p17->mode = MZ1P17_MODE_MZ1;
 181                 printer->set_context_prn(mz1p17);
 182 //      } else if(config.printer_type == 2) {
 183 //              printer->set_context_prn(new PCPR201(this, emu));
 184         } else {
 185                 printer->set_context_prn(dummy);
 186         }
 187         serial->set_context_sio(sio);
 188         timer->set_context_pit(pit);
 189
 190         // cpu bus
 191         cpu->set_context_mem(memory);
 192         cpu->set_context_io(io);
 193         cpu->set_context_intr(pio);
 194 #ifdef USE_DEBUGGER
 195         cpu->set_context_debugger(new DEBUGGER(this, emu));
 196 #endif
 197
 198         // z80 family daisy chain
 199         pio->set_context_intr(cpu, 0);
 200         pio->set_context_child(sio);
 201         sio->set_context_intr(cpu, 1);
 202         sio->set_context_child(interrupt);
 203         interrupt->set_context_intr(cpu, 2);
 204
 205         // i/o bus
 206         io->set_iomap_range_rw(0x60, 0x63, w3100a);
 207         io->set_iomap_range_rw(0xa0, 0xa3, serial);
 208         io->set_iomap_range_rw(0xa4, 0xa5, mz1e30);
 209         io->set_iomap_range_rw(0xa8, 0xa9, mz1e30);
 210         io->set_iomap_range_rw(0xac, 0xad, mz1r37);
 211         io->set_iomap_single_w(0xae, crtc);
 212         io->set_iomap_range_rw(0xb0, 0xb3, serial);
 213         io->set_iomap_range_rw(0xb4, 0xb5, memory);
 214         io->set_iomap_range_rw(0xb8, 0xb9, mz1r13);
 215         io->set_iomap_range_rw(0xbc, 0xbf, crtc);
 216         io->set_iomap_range_w(0xc6, 0xc7, interrupt);
 217         io->set_iomap_range_rw(0xc8, 0xc9, opn);
 218         io->set_iomap_single_rw(0xca, mz1e26);
 219         io->set_iomap_single_rw(0xcc, calendar);
 220         io->set_iomap_single_w(0xcd, serial);
 221         io->set_iomap_range_w(0xce, 0xcf, memory);
 222         io->set_iomap_range_rw(0xd8, 0xdb, fdc);
 223         io->set_iomap_range_w(0xdc, 0xdd, floppy);
 224         io->set_iomap_range_rw(0xe0, 0xe3, pio_i);
 225         io->set_iomap_range_rw(0xe4, 0xe7, pit);
 226         io->set_iomap_range_rw(0xe8, 0xeb, pio);
 227         io->set_iomap_single_rw(0xef, joystick);
 228         io->set_iomap_range_w(0xf0, 0xf3, timer);
 229         io->set_iomap_range_rw(0xf4, 0xf7, crtc);
 230         io->set_iomap_range_rw(0xfe, 0xff, printer);
 231
 232         io->set_iowait_range_rw(0xc8, 0xc9, 1);
 233         io->set_iowait_single_rw(0xcc, 3);
 234         io->set_iowait_range_rw(0xd8, 0xdf, 1);
 235         io->set_iowait_range_rw(0xe8, 0xeb, 1);
 236
 237         // initialize all devices
 238 #if defined(__GIT_REPO_VERSION)
 239         strncpy(_git_revision, __GIT_REPO_VERSION, sizeof(_git_revision) - 1);
 240 #endif
 241         for(DEVICE* device = first_device; device; device = device->next_device) {
 242                 device->initialize();
 243         }
 244
 245         for(int drv = 0; drv < USE_HARD_DISK; drv++) {
 246 #if defined(OPEN_HARD_DISK_IN_RESET)
 247                 create_local_path(hd_file_path[drv], _MAX_PATH, _T("SASI%d.DAT"), drv);
 248 #else
 249                 open_hard_disk_tmp(drv, create_local_path(_T("SASI%d.DAT"), drv));
 250 #endif
 251         }
 252         monitor_type = config.monitor_type;
 253         decl_state();
 254 }
 255
 256 VM::~VM()
 257 {
 258         // delete all devices
 259         for(DEVICE* device = first_device; device;) {
 260                 DEVICE *next_device = device->next_device;
 261                 device->release();
 262                 delete device;
 263                 device = next_device;
 264         }
 265 }
 266
 267 DEVICE* VM::get_device(int id)
 268 {
 269         for(DEVICE* device = first_device; device; device = device->next_device) {
 270                 if(device->this_device_id == id) {
 271                         return device;
 272                 }
 273         }
 274         return NULL;
 275 }
 276
 277 // ----------------------------------------------------------------------------
 278 // drive virtual machine
 279 // ----------------------------------------------------------------------------
 280
 281 void VM::reset()
 282 {
 283         // reset all devices
 284         for(DEVICE* device = first_device; device; device = device->next_device) {
 285                 device->reset();
 286         }
 287         for(int i = 0; i < MAX_DRIVE; i++) {
 288                 if(config.drive_type) {
 289                         fdc->set_drive_type(i, DRIVE_TYPE_2D);
 290                 } else {
 291                         fdc->set_drive_type(i, DRIVE_TYPE_2DD);
 292                 }
 293         }
 294
 295         // set initial port status
 296         opn->write_signal(SIG_YM2203_PORT_B, (monitor_type & 2) ? 0x77 : 0x37, 0xff);
 297
 298 #if defined(OPEN_HARD_DISK_IN_RESET)
 299         // open/close hard disk images
 300         for(int drv = 0; drv < USE_HARD_DISK; drv++) {
 301                 if(hd_file_path[drv][0] != _T('\0')) {
 302                         open_hard_disk_tmp(drv, hd_file_path[drv]);
 303                 } else {
 304                         close_hard_disk_tmp(drv);
 305                 }
 306         }
 307 #endif
 308 }
 309
 310 void VM::special_reset()
 311 {
 312         // reset all devices
 313 //      for(DEVICE* device = first_device; device; device = device->next_device) {
 314 //              device->special_reset();
 315 //      }
 316         memory->special_reset();
 317         cpu->reset();
 318 }
 319
 320 void VM::run()
 321 {
 322         event->drive();
 323 }
 324
 325 double VM::get_frame_rate()
 326 {
 327         return event->get_frame_rate();
 328 }
 329
 330 // ----------------------------------------------------------------------------
 331 // debugger
 332 // ----------------------------------------------------------------------------
 333
 334 #ifdef USE_DEBUGGER
 335 DEVICE *VM::get_cpu(int index)
 336 {
 337         if(index == 0) {
 338                 return cpu;
 339         }
 340         return NULL;
 341 }
 342 #endif
 343
 344 // ----------------------------------------------------------------------------
 345 // draw screen
 346 // ----------------------------------------------------------------------------
 347
 348 void VM::draw_screen()
 349 {
 350         crtc->draw_screen();
 351 }
 352
 353 // ----------------------------------------------------------------------------
 354 // soud manager
 355 // ----------------------------------------------------------------------------
 356
 357 void VM::initialize_sound(int rate, int samples)
 358 {
 359         // init sound manager
 360         event->initialize_sound(rate, samples);
 361
 362         // init sound gen
 363         opn->initialize_sound(rate, 2000000, samples, 0, -8);
 364         pcm->initialize_sound(rate, 4096);
 365 }
 366
 367 uint16_t* VM::create_sound(int* extra_frames)
 368 {
 369         return event->create_sound(extra_frames);
 370 }
 371
 372 int VM::get_sound_buffer_ptr()
 373 {
 374         return event->get_sound_buffer_ptr();
 375 }
 376
 377 #ifdef USE_SOUND_VOLUME
 378 void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
 379 {
 380         if(ch == 0) {
 381                 opn->set_volume(0, decibel_l, decibel_r);
 382         } else if(ch == 1) {
 383                 opn->set_volume(1, decibel_l, decibel_r);
 384         } else if(ch == 2) {
 385                 pcm->set_volume(0, decibel_l, decibel_r);
 386         } else if(ch == 3) {
 387                 drec->set_volume(0, decibel_l, decibel_r);
 388         } else if(ch == 4) {
 389                 drec->set_volume(1, decibel_l, decibel_r);
 390         } else if(ch == 5) {
 391                 fdc->get_context_noise_seek()->set_volume(0, decibel_l, decibel_r);
 392                 fdc->get_context_noise_head_down()->set_volume(0, decibel_l, decibel_r);
 393                 fdc->get_context_noise_head_up()->set_volume(0, decibel_l, decibel_r);
 394         } else if(ch == 6) {
 395                 drec->get_context_noise_play()->set_volume(0, decibel_l, decibel_r);
 396                 drec->get_context_noise_stop()->set_volume(0, decibel_l, decibel_r);
 397                 drec->get_context_noise_fast()->set_volume(0, decibel_l, decibel_r);
 398         }
 399 }
 400 #endif
 401
 402 // ----------------------------------------------------------------------------
 403 // socket
 404 // ----------------------------------------------------------------------------
 405
 406 void VM::notify_socket_connected(int ch)
 407 {
 408         w3100a->notify_connected(ch);
 409 }
 410
 411 void VM::notify_socket_disconnected(int ch)
 412 {
 413         w3100a->notify_disconnected(ch);
 414 }
 415
 416 uint8_t* VM::get_socket_send_buffer(int ch, int* size)
 417 {
 418         return w3100a->get_send_buffer(ch, size);
 419 }
 420
 421 void VM::inc_socket_send_buffer_ptr(int ch, int size)
 422 {
 423         w3100a->inc_send_buffer_ptr(ch, size);
 424 }
 425
 426 uint8_t* VM::get_socket_recv_buffer0(int ch, int* size0, int* size1)
 427 {
 428         return w3100a->get_recv_buffer0(ch, size0, size1);
 429 }
 430
 431 uint8_t* VM::get_socket_recv_buffer1(int ch)
 432 {
 433         return w3100a->get_recv_buffer1(ch);
 434 }
 435
 436 void VM::inc_socket_recv_buffer_ptr(int ch, int size)
 437 {
 438         w3100a->inc_recv_buffer_ptr(ch, size);
 439 }
 440
 441 // ----------------------------------------------------------------------------
 442 // user interface
 443 // ----------------------------------------------------------------------------
 444
 445 void VM::open_floppy_disk(int drv, const _TCHAR* file_path, int bank)
 446 {
 447         fdc->open_disk(drv, file_path, bank);
 448 }
 449
 450 void VM::close_floppy_disk(int drv)
 451 {
 452         fdc->close_disk(drv);
 453 }
 454
 455 bool VM::is_floppy_disk_inserted(int drv)
 456 {
 457         return fdc->is_disk_inserted(drv);
 458 }
 459
 460 void VM::is_floppy_disk_protected(int drv, bool value)
 461 {
 462         fdc->is_disk_protected(drv, value);
 463 }
 464
 465 bool VM::is_floppy_disk_protected(int drv)
 466 {
 467         return fdc->is_disk_protected(drv);
 468 }
 469
 470 uint32_t VM::is_floppy_disk_accessed()
 471 {
 472         return fdc->read_signal(0);
 473 }
 474
 475 void VM::open_hard_disk(int drv, const _TCHAR* file_path)
 476 {
 477         if(drv < USE_HARD_DISK) {
 478 #if defined(OPEN_HARD_DISK_IN_RESET)
 479                 my_tcscpy_s(hd_file_path[drv], _MAX_PATH, file_path);
 480 #else
 481                 open_hard_disk_tmp(drv, file_path);
 482 #endif
 483         }
 484 }
 485
 486 void VM::close_hard_disk(int drv)
 487 {
 488         if(drv < USE_HARD_DISK) {
 489 #if defined(OPEN_HARD_DISK_IN_RESET)
 490                 hd_file_path[drv][0] = _T('\0');
 491 #else
 492                 close_hard_disk_tmp(drv);
 493 #endif
 494         }
 495 }
 496
 497 bool VM::is_hard_disk_inserted(int drv)
 498 {
 499         if(drv < USE_HARD_DISK) {
 500 #if defined(OPEN_HARD_DISK_IN_RESET)
 501                 return (hd_file_path[drv][0] != _T('\0'));
 502 #else
 503                 return is_hard_disk_inserted_tmp(drv);
 504 #endif
 505         }
 506         return false;
 507 }
 508
 509 uint32_t VM::is_hard_disk_accessed()
 510 {
 511         uint32_t status = 0;
 512
 513         for(int drv = 0; drv < USE_HARD_DISK; drv++) {
 514                 if(sasi_hdd->get_disk_handler(drv)->accessed()) {
 515                         status |= 1 << drv;
 516                 }
 517         }
 518         return status;
 519 }
 520
 521 void VM::open_hard_disk_tmp(int drv, const _TCHAR* file_path)
 522 {
 523         if(drv < USE_HARD_DISK) {
 524                 sasi_hdd->get_disk_handler(drv)->open(file_path);
 525         }
 526 }
 527
 528 void VM::close_hard_disk_tmp(int drv)
 529 {
 530         if(drv < USE_HARD_DISK) {
 531                 sasi_hdd->get_disk_handler(drv)->close();
 532         }
 533 }
 534
 535 bool VM::is_hard_disk_inserted_tmp(int drv)
 536 {
 537         if(drv < USE_HARD_DISK) {
 538                 return sasi_hdd->get_disk_handler(drv)->mounted();
 539         }
 540         return false;
 541 }
 542
 543
 544 void VM::play_tape(int drv, const _TCHAR* file_path)
 545 {
 546         bool value = drec->play_tape(file_path);
 547         cmt->close_tape();
 548         cmt->play_tape(value);
 549 }
 550
 551 void VM::rec_tape(int drv, const _TCHAR* file_path)
 552 {
 553         bool value = drec->rec_tape(file_path);
 554         cmt->close_tape();
 555         cmt->rec_tape(value);
 556 }
 557
 558 void VM::close_tape(int drv)
 559 {
 560         emu->lock_vm();
 561         drec->close_tape();
 562         emu->unlock_vm();
 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_ff_rew(0);
 594         drec->set_remote(true);
 595 }
 596
 597 void VM::push_stop(int drv)
 598 {
 599         drec->set_remote(false);
 600 }
 601
 602 void VM::push_fast_forward(int drv)
 603 {
 604         drec->set_ff_rew(1);
 605         drec->set_remote(true);
 606 }
 607
 608 void VM::push_fast_rewind(int drv)
 609 {
 610         drec->set_ff_rew(-1);
 611         drec->set_remote(true);
 612 }
 613
 614 bool VM::is_frame_skippable()
 615 {
 616         return event->is_frame_skippable();
 617 }
 618
 619 void VM::update_config()
 620 {
 621         for(DEVICE* device = first_device; device; device = device->next_device) {
 622                 device->update_config();
 623         }
 624 }
 625
 626 #define STATE_VERSION   7
 627
 628 #include "../../statesub.h"
 629 #include "../../qt/gui/csp_logger.h"
 630 extern CSP_Logger DLL_PREFIX_I *csp_logger;
 631
 632 void VM::decl_state(void)
 633 {
 634         state_entry = new csp_state_utils(STATE_VERSION, 0, (_TCHAR *)(_T("CSP::MZ2500_SERIES_HEAD")), csp_logger);
 635         DECL_STATE_ENTRY_BOOL(monitor_type);
 636         for(DEVICE* device = first_device; device; device = device->next_device) {
 637                 device->decl_state();
 638         }
 639 }
 640
 641 void VM::save_state(FILEIO* state_fio)
 642 {
 643         //state_fio->FputUint32(STATE_VERSION);
 644         if(state_entry != NULL) {
 645                 state_entry->save_state(state_fio);
 646         }
 647         for(DEVICE* device = first_device; device; device = device->next_device) {
 648                 device->save_state(state_fio);
 649         }
 650
 651         //state_fio->FputInt32(monitor_type);
 652 }
 653
 654 bool VM::load_state(FILEIO* state_fio)
 655 {
 656         bool mb = false;
 657         if(state_entry != NULL) {
 658                 mb = state_entry->load_state(state_fio);
 659         }
 660         if(!mb) return false;
 661         //if(state_fio->FgetUint32() != STATE_VERSION) {
 662         //      return false;
 663         //}
 664         for(DEVICE* device = first_device; device; device = device->next_device) {
 665                 if(!device->load_state(state_fio)) {
 666                         return false;
 667                 }
 668         }
 669         //monitor_type = state_fio->FgetInt32();
 670         return true;
 671 }
 672