source/src/vm/pc6001/pc6001.cpp

   1 /*
   2         NEC PC-6001 Emulator 'yaPC-6001'
   3         NEC PC-6001mkII Emulator 'yaPC-6201'
   4         NEC PC-6001mkIISR Emulator 'yaPC-6401'
   5         NEC PC-6601 Emulator 'yaPC-6601'
   6         NEC PC-6601SR Emulator 'yaPC-6801'
   7
   8         Author : tanam
   9         Date   : 2013.07.15-
  10
  11         [ virtual machine ]
  12 */
  13
  14 #include "pc6001.h"
  15 #include "../../emu.h"
  16 #include "../device.h"
  17 #include "../event.h"
  18
  19 #include "../disk.h"
  20 #include "../i8255.h"
  21 #include "../io.h"
  22 #ifdef _PC6001
  23 #include "../mc6847.h"
  24 #include "display.h"
  25 #else
  26 #include "../upd7752.h"
  27 #endif
  28 #include "../noise.h"
  29 #include "../pc6031.h"
  30 #include "../pc80s31k.h"
  31 #include "../prnfile.h"
  32 #include "../upd765a.h"
  33 #if defined(_PC6001MK2SR) || defined(_PC6601SR)
  34 #include "../ym2203.h"
  35 #else
  36 #include "../ay_3_891x.h"
  37 #endif
  38 #include "../z80.h"
  39
  40 #include "../datarec.h"
  41 #include "../mcs48.h"
  42
  43 #ifdef USE_DEBUGGER
  44 #include "../debugger.h"
  45 #endif
  46
  47 #if defined(_PC6601) || defined(_PC6601SR)
  48 #include "floppy.h"
  49 #endif
  50 #include "joystick.h"
  51 #include "memory.h"
  52 #include "psub.h"
  53 #include "sub.h"
  54 #include "timer.h"
  55
  56 // ----------------------------------------------------------------------------
  57 // initialize
  58 // ----------------------------------------------------------------------------
  59
  60 VM::VM(EMU* parent_emu) : emu(parent_emu)
  61 {
  62         support_pc80s31k = FILEIO::IsFileExisting(create_local_path(_T("DISK.ROM")));
  63 #ifdef _PC6601SR
  64         support_sub_cpu = false;
  65 #else
  66         support_sub_cpu = FILEIO::IsFileExisting(create_local_path(_T(SUB_CPU_ROM_FILE_NAME)));
  67 #endif
  68
  69         // create devices
  70         first_device = last_device = NULL;
  71         dummy = new DEVICE(this, emu);  // must be 1st device
  72         event = new EVENT(this, emu);   // must be 2nd device
  73
  74         pio_sub = new I8255(this, emu);
  75         io = new IO(this, emu);
  76         noise_seek = new NOISE(this, emu);
  77         noise_head_down = new NOISE(this, emu);
  78         noise_head_up = new NOISE(this, emu);
  79 #if defined(_PC6001MK2SR) || defined(_PC6601SR)
  80         psg = new YM2203(this, emu);
  81 #else
  82         psg = new AY_3_891X(this, emu);
  83 #endif
  84         cpu = new Z80(this, emu);
  85
  86         if(config.printer_type == 0) {
  87                 printer = new PRNFILE(this, emu);
  88         } else {
  89                 printer = dummy;
  90         }
  91
  92 #if defined(_PC6601) || defined(_PC6601SR)
  93         floppy = new FLOPPY(this, emu);
  94         floppy->set_context_noise_seek(noise_seek);
  95 //      floppy->set_context_noise_head_down(noise_head_down);
  96 //      floppy->set_context_noise_head_up(noise_head_up);
  97 #endif
  98         joystick = new JOYSTICK(this, emu);
  99         memory = new MEMORY(this, emu);
 100         timer = new TIMER(this, emu);
 101
 102         // set contexts
 103         event->set_context_cpu(cpu);
 104         event->set_context_sound(psg);
 105         event->set_context_sound(noise_seek);
 106         event->set_context_sound(noise_head_down);
 107         event->set_context_sound(noise_head_up);
 108
 109         pio_sub->set_context_port_b(printer, SIG_PRINTER_DATA, 0xff, 0);
 110         pio_sub->set_context_port_c(printer, SIG_PRINTER_STROBE, 0x01, 0);
 111         pio_sub->set_context_port_c(memory, SIG_MEMORY_PIO_PORT_C, 0x06, 0);    // CRTKILL,CGSWN
 112
 113 #ifdef _PC6001
 114         display = new DISPLAY(this, emu);
 115         vdp = new MC6847(this, emu);
 116         display->set_context_vdp(vdp);
 117         display->set_vram_ptr(memory->get_vram());
 118         display->set_context_timer(timer);
 119         vdp->load_font_image(create_local_path(_T("CGROM60.60")));
 120         vdp->set_context_cpu(cpu);
 121         pio_sub->set_context_port_c(vdp, SIG_MC6847_ENABLE, 0x02, 0);   // CRTKILL
 122 #else
 123         voice = new UPD7752(this, emu);
 124         event->set_context_sound(voice);
 125         memory->set_context_timer(timer);
 126 #endif
 127         memory->set_context_cpu(cpu);
 128         joystick->set_context_psg(psg);
 129
 130         timer->set_context_cpu(cpu);
 131 #ifndef _PC6001
 132         timer->set_context_memory(memory);
 133 #endif
 134         if(support_sub_cpu) {
 135                 cpu_sub = new MCS48(this, emu);
 136                 cpu_sub->set_device_name(_T("MCS48 MCU (Sub)"));
 137                 sub = new SUB(this, emu);
 138                 drec = new DATAREC(this, emu);
 139                 drec->set_device_name(_T("Data Recorder (Sub)"));
 140                 drec->set_context_noise_play(new NOISE(this, emu));
 141                 drec->set_context_noise_stop(new NOISE(this, emu));
 142                 drec->set_context_noise_fast(new NOISE(this, emu));
 143                 event->set_context_cpu(cpu_sub, 8000000);
 144                 event->set_context_sound(drec);
 145                 event->set_context_sound(drec->get_context_noise_play());
 146                 event->set_context_sound(drec->get_context_noise_stop());
 147                 event->set_context_sound(drec->get_context_noise_fast());
 148                 cpu_sub->set_context_mem(new MCS48MEM(this, emu));
 149                 cpu_sub->set_context_io(sub);
 150 #ifdef USE_DEBUGGER
 151                 cpu_sub->set_context_debugger(new DEBUGGER(this, emu));
 152 #endif
 153                 sub->set_context_pio(pio_sub);
 154                 sub->set_context_drec(drec);
 155                 sub->set_context_timer(timer);
 156                 pio_sub->set_context_port_c(cpu_sub, SIG_CPU_IRQ, 0x80, 0);
 157                 drec->set_context_ear(sub, SIG_SUB_DATAREC, 1);
 158                 timer->set_context_sub(sub);
 159         } else {
 160                 psub = new PSUB(this, emu);
 161                 psub->set_context_pio(pio_sub);
 162                 psub->set_context_timer(timer);
 163                 timer->set_context_sub(psub);
 164                 cpu_sub = NULL;
 165         }
 166         if(support_pc80s31k) {
 167                 pio_fdd = new I8255(this, emu);
 168                 pio_fdd->set_device_name(_T("8255 PIO (FDD I/F)"));
 169                 pio_pc80s31k = new I8255(this, emu);
 170                 pio_pc80s31k->set_device_name(_T("8255 PIO (320KB FDD)"));
 171                 pc80s31k = new PC80S31K(this, emu);
 172                 pc80s31k->set_device_name(_T("PC-80S31K (320KB FDD)"));
 173                 fdc_pc80s31k = new UPD765A(this, emu);
 174                 fdc_pc80s31k->set_device_name(_T("uPD765A FDC (320KB FDD)"));
 175                 cpu_pc80s31k = new Z80(this, emu);
 176                 cpu_pc80s31k->set_device_name(_T("Z80 CPU (320KB FDD)"));
 177
 178                 event->set_context_cpu(cpu_pc80s31k, 4000000);
 179
 180                 pc80s31k->set_context_cpu(cpu_pc80s31k);
 181                 pc80s31k->set_context_fdc(fdc_pc80s31k);
 182                 pc80s31k->set_context_pio(pio_pc80s31k);
 183                 pio_fdd->set_context_port_a(pio_pc80s31k, SIG_I8255_PORT_B, 0xff, 0);
 184                 pio_fdd->set_context_port_b(pio_pc80s31k, SIG_I8255_PORT_A, 0xff, 0);
 185                 pio_fdd->set_context_port_c(pio_pc80s31k, SIG_I8255_PORT_C, 0x0f, 4);
 186                 pio_fdd->set_context_port_c(pio_pc80s31k, SIG_I8255_PORT_C, 0xf0, -4);
 187                 pio_fdd->clear_ports_by_cmdreg = true;
 188                 pio_pc80s31k->set_context_port_a(pio_fdd, SIG_I8255_PORT_B, 0xff, 0);
 189                 pio_pc80s31k->set_context_port_b(pio_fdd, SIG_I8255_PORT_A, 0xff, 0);
 190                 pio_pc80s31k->set_context_port_c(pio_fdd, SIG_I8255_PORT_C, 0x0f, 4);
 191                 pio_pc80s31k->set_context_port_c(pio_fdd, SIG_I8255_PORT_C, 0xf0, -4);
 192                 pio_pc80s31k->clear_ports_by_cmdreg = true;
 193                 fdc_pc80s31k->set_context_irq(cpu_pc80s31k, SIG_CPU_IRQ, 1);
 194                 fdc_pc80s31k->set_context_noise_seek(noise_seek);
 195                 fdc_pc80s31k->set_context_noise_head_down(noise_head_down);
 196                 fdc_pc80s31k->set_context_noise_head_up(noise_head_up);
 197                 cpu_pc80s31k->set_context_mem(pc80s31k);
 198                 cpu_pc80s31k->set_context_io(pc80s31k);
 199                 cpu_pc80s31k->set_context_intr(pc80s31k);
 200 #ifdef USE_DEBUGGER
 201                 cpu_pc80s31k->set_context_debugger(new DEBUGGER(this, emu));
 202 #endif
 203 #if defined(_PC6601) || defined(_PC6601SR)
 204                 floppy->set_context_ext(pio_fdd);
 205 #endif
 206         } else {
 207                 pc6031 = new PC6031(this, emu);
 208                 pc6031->set_context_noise_seek(noise_seek);
 209 //              pc6031->set_context_noise_head_down(noise_head_down);
 210 //              pc6031->set_context_noise_head_up(noise_head_up);
 211 #if defined(_PC6601) || defined(_PC6601SR)
 212                 floppy->set_context_ext(pc6031);
 213 #endif
 214                 cpu_pc80s31k = NULL;
 215         }
 216
 217         // cpu bus
 218         cpu->set_context_mem(memory);
 219         cpu->set_context_io(io);
 220         cpu->set_context_intr(timer);
 221 #ifdef USE_DEBUGGER
 222         cpu->set_context_debugger(new DEBUGGER(this, emu));
 223 #endif
 224
 225         // i/o bus
 226         if(support_sub_cpu) {
 227                 io->set_iomap_range_rw(0x90, 0x93, sub);
 228         } else {
 229                 io->set_iomap_range_rw(0x90, 0x93, psub);
 230         }
 231         io->set_iomap_alias_w(0xa0, psg, 0);                    // PSG ch
 232         io->set_iomap_alias_w(0xa1, psg, 1);                    // PSG data
 233         io->set_iomap_alias_r(0xa2, psg, 1);                    // PSG data
 234 #if defined(_PC6601SR) || defined(_PC6001MK2SR)
 235         io->set_iomap_alias_r(0xa3, psg, 0);                    // FM status
 236         io->set_iomap_range_rw(0x40, 0x6f, memory);             // VRAM addr
 237 #endif
 238 #ifdef _PC6001
 239         io->set_iomap_single_w(0xb0, display);                  // VRAM addr
 240         io->set_iomap_single_w(0x00, memory);                   // MEMORY MAP
 241 #else
 242         io->set_iomap_single_w(0xb0, memory);                   // VRAM addr
 243         io->set_iomap_range_rw(0xc0, 0xcf, memory);             // VRAM addr
 244         io->set_iomap_range_rw(0xe0, 0xe3, voice);              // VOICE
 245 #if defined(_PC6601) || defined(_PC6601SR)
 246         io->set_iomap_range_rw(0xb8, 0xbf, timer);              // IRQ
 247         io->set_iomap_range_rw(0xfa, 0xfb, timer);              // IRQ
 248 #endif
 249         io->set_iomap_range_rw(0xf3, 0xf7, timer);              // IRQ/Timer
 250 #endif
 251
 252 #if defined(_PC6601) || defined(_PC6601SR)
 253         io->set_iomap_range_rw(0xb1, 0xb3, floppy);             // DISK DRIVE
 254         io->set_iomap_range_rw(0xb5, 0xb7, floppy);             // DISK DRIVE (Mirror)
 255         io->set_iomap_range_rw(0xd0, 0xde, floppy);             // DISK DRIVE
 256 #else
 257         io->set_iovalue_single_r(0xb1, 0x01);
 258 #if defined(_PC6601SR)
 259         io->set_iovalue_single_r(0xb2, 0x02);
 260 #elif defined(_PC6001MK2SR)
 261         io->set_iovalue_single_r(0xb2, 0x00);
 262 #endif
 263
 264         if(support_pc80s31k) {
 265                 io->set_iomap_range_rw(0xd0, 0xd2, pio_fdd);
 266                 io->set_iomap_single_w(0xd3, pio_fdd);
 267         } else {
 268                 io->set_iomap_range_rw(0xd0, 0xd3, pc6031);
 269         }
 270 #endif
 271         io->set_iomap_range_rw(0xf0, 0xf2, memory);             // MEMORY MAP
 272
 273         // initialize all devices
 274         for(DEVICE* device = first_device; device; device = device->next_device) {
 275                 device->initialize();
 276         }
 277         decl_state();
 278         if(support_sub_cpu) {
 279                 // load rom images after cpustate is allocated
 280 #ifdef _PC6601SR
 281 #else
 282                 cpu_sub->load_rom_image(create_local_path(_T(SUB_CPU_ROM_FILE_NAME)));
 283 #endif
 284         }
 285         int drive_num = 0;
 286 #if defined(_PC6601) || defined(_PC6601SR)
 287         floppy->get_disk_handler(0)->drive_num = drive_num++;
 288         floppy->get_disk_handler(1)->drive_num = drive_num++;
 289 #endif
 290         if(support_pc80s31k) {
 291                 fdc_pc80s31k->get_disk_handler(0)->drive_num = drive_num++;
 292                 fdc_pc80s31k->get_disk_handler(1)->drive_num = drive_num++;
 293         } else {
 294                 pc6031->get_disk_handler(0)->drive_num = drive_num++;
 295                 pc6031->get_disk_handler(1)->drive_num = drive_num++;
 296         }
 297 }
 298
 299 VM::~VM()
 300 {
 301         // delete all devices
 302         for(DEVICE* device = first_device; device;) {
 303                 DEVICE *next_device = device->next_device;
 304                 device->release();
 305                 delete device;
 306                 device = next_device;
 307         }
 308 }
 309
 310 DEVICE* VM::get_device(int id)
 311 {
 312         for(DEVICE* device = first_device; device; device = device->next_device) {
 313                 if(device->this_device_id == id) {
 314                         return device;
 315                 }
 316         }
 317         return NULL;
 318 }
 319
 320 // ----------------------------------------------------------------------------
 321 // drive virtual machine
 322 // ----------------------------------------------------------------------------
 323 void VM::reset()
 324 {
 325         // reset all devices
 326         for(DEVICE* device = first_device; device; device = device->next_device) {
 327                 device->reset();
 328         }
 329         if(support_pc80s31k) {
 330                 pio_fdd->write_signal(SIG_I8255_PORT_C, 0, 0xff);
 331                 pio_pc80s31k->write_signal(SIG_I8255_PORT_C, 0, 0xff);
 332         }
 333 }
 334
 335 void VM::run()
 336 {
 337         event->drive();
 338 }
 339
 340 // ----------------------------------------------------------------------------
 341 // debugger
 342 // ----------------------------------------------------------------------------
 343
 344 #ifdef USE_DEBUGGER
 345 DEVICE *VM::get_cpu(int index)
 346 {
 347         if(index == 0) {
 348                 return cpu;
 349         } else if(index == 1) {
 350                 return cpu_sub;
 351         } else if(index == 2) {
 352                 return cpu_pc80s31k;
 353         }
 354         return NULL;
 355 }
 356 #endif
 357
 358 // ----------------------------------------------------------------------------
 359 // draw screen
 360 // ----------------------------------------------------------------------------
 361
 362 void VM::draw_screen()
 363 {
 364 #ifdef _PC6001
 365         display->draw_screen();
 366 #else
 367         memory->draw_screen();
 368 #endif
 369 }
 370 // ----------------------------------------------------------------------------
 371 // soud manager
 372 // ----------------------------------------------------------------------------
 373
 374 void VM::initialize_sound(int rate, int samples)
 375 {
 376         // init sound manager
 377         event->initialize_sound(rate, samples);
 378
 379         // init sound gen
 380         psg->initialize_sound(rate, 4000000, samples, 0, 0);
 381 #ifndef _PC6001
 382         voice->initialize_sound(rate);
 383 #endif
 384 }
 385
 386 uint16_t* VM::create_sound(int* extra_frames)
 387 {
 388         return event->create_sound(extra_frames);
 389 }
 390
 391 int VM::get_sound_buffer_ptr()
 392 {
 393         return event->get_sound_buffer_ptr();
 394 }
 395
 396 #ifdef USE_SOUND_VOLUME
 397 void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
 398 {
 399         if(ch-- == 0) {
 400                 psg->set_volume(1, decibel_l, decibel_r);
 401 #if !defined(_PC6001)
 402         } else if(ch-- == 0) {
 403                 voice->set_volume(0, decibel_l, decibel_r);
 404 #endif
 405         } else if(ch-- == 0) {
 406                 if(support_sub_cpu) {
 407                         drec->set_volume(0, decibel_l, decibel_r);
 408                 }
 409         } else if(ch-- == 0) {
 410                 noise_seek->set_volume(0, decibel_l, decibel_r);
 411                 noise_head_down->set_volume(0, decibel_l, decibel_r);
 412                 noise_head_up->set_volume(0, decibel_l, decibel_r);
 413         } else if(ch-- == 0) {
 414                 if(support_sub_cpu) {
 415                         drec->get_context_noise_play()->set_volume(0, decibel_l, decibel_r);
 416                         drec->get_context_noise_stop()->set_volume(0, decibel_l, decibel_r);
 417                         drec->get_context_noise_fast()->set_volume(0, decibel_l, decibel_r);
 418                 }
 419         }
 420 }
 421 #endif
 422
 423 // ----------------------------------------------------------------------------
 424 // notify key
 425 // ----------------------------------------------------------------------------
 426
 427 void VM::key_down(int code, bool repeat)
 428 {
 429         if(!support_sub_cpu) {
 430                 psub->key_down(code);
 431         }
 432 }
 433
 434 void VM::key_up(int code)
 435 {
 436         if(!support_sub_cpu) {
 437                 psub->key_up(code);
 438         }
 439 }
 440
 441 // ----------------------------------------------------------------------------
 442 // user interface
 443 // ----------------------------------------------------------------------------
 444
 445 void VM::open_cart(int drv, const _TCHAR* file_path)
 446 {
 447         if(drv == 0) {
 448                 memory->open_cart(file_path);
 449                 reset();
 450         }
 451 }
 452
 453 void VM::close_cart(int drv)
 454 {
 455         if(drv == 0) {
 456                 memory->close_cart();
 457                 reset();
 458         }
 459 }
 460
 461 bool VM::is_cart_inserted(int drv)
 462 {
 463         if(drv == 0) {
 464                 return memory->is_cart_inserted();
 465         } else {
 466                 return false;
 467         }
 468 }
 469
 470 void VM::open_floppy_disk(int drv, const _TCHAR* file_path, int bank)
 471 {
 472 #if defined(_PC6601) || defined(_PC6601SR)
 473         if(drv < 2) {
 474                 floppy->open_disk(drv, file_path, bank);
 475                 return;
 476         } else {
 477                 drv -= 2;
 478         }
 479 #endif
 480         if(support_pc80s31k) {
 481                 fdc_pc80s31k->open_disk(drv, file_path, bank);
 482         } else {
 483                 pc6031->open_disk(drv, file_path, bank);
 484         }
 485 }
 486
 487 void VM::close_floppy_disk(int drv)
 488 {
 489 #if defined(_PC6601) || defined(_PC6601SR)
 490         if(drv < 2) {
 491                 floppy->close_disk(drv);
 492                 return;
 493         } else {
 494                 drv -= 2;
 495         }
 496 #endif
 497         if(support_pc80s31k) {
 498                 fdc_pc80s31k->close_disk(drv);
 499         } else {
 500                 pc6031->close_disk(drv);
 501         }
 502 }
 503
 504 bool VM::is_floppy_disk_inserted(int drv)
 505 {
 506 #if defined(_PC6601) || defined(_PC6601SR)
 507         if(drv < 2) {
 508                 return floppy->is_disk_inserted(drv);
 509         } else {
 510                 drv -= 2;
 511         }
 512 #endif
 513         if(support_pc80s31k) {
 514                 return fdc_pc80s31k->is_disk_inserted(drv);
 515         } else {
 516                 return pc6031->is_disk_inserted(drv);
 517         }
 518 }
 519
 520 void VM::is_floppy_disk_protected(int drv, bool value)
 521 {
 522 #if defined(_PC6601) || defined(_PC6601SR)
 523         if(drv < 2) {
 524                 floppy->is_disk_protected(drv, value);
 525                 return;
 526         } else {
 527                 drv -= 2;
 528         }
 529 #endif
 530         if(support_pc80s31k) {
 531                 fdc_pc80s31k->is_disk_protected(drv, value);
 532         } else {
 533                 pc6031->is_disk_protected(drv, value);
 534         }
 535 }
 536
 537 bool VM::is_floppy_disk_protected(int drv)
 538 {
 539 #if defined(_PC6601) || defined(_PC6601SR)
 540         if(drv < 2) {
 541                 return floppy->is_disk_protected(drv);
 542         } else {
 543                 drv -= 2;
 544         }
 545 #endif
 546         if(support_pc80s31k) {
 547                 return fdc_pc80s31k->is_disk_protected(drv);
 548         } else {
 549                 return pc6031->is_disk_protected(drv);
 550         }
 551 }
 552
 553 uint32_t VM::is_floppy_disk_accessed()
 554 {
 555         uint32_t status = 0; /// fdc->read_signal(0);
 556         if(support_pc80s31k) {
 557                 status |= fdc_pc80s31k->read_signal(0);
 558         } else {
 559                 status |= pc6031->read_signal(0);
 560         }
 561 #if defined(_PC6601) || defined(_PC6601SR)
 562         status <<= 2;
 563         status |= floppy->read_signal(0);
 564 #endif
 565         return status;
 566 }
 567
 568 void VM::play_tape(int drv, const _TCHAR* file_path)
 569 {
 570         if(support_sub_cpu) {
 571                 // support both p6/p6t and wav
 572                 drec->play_tape(file_path);
 573 //              drec->set_remote(true);
 574         } else {
 575                 // support only p6/p6t
 576                 psub->play_tape(file_path);
 577         }
 578 }
 579
 580 void VM::rec_tape(int drv, const _TCHAR* file_path)
 581 {
 582         if(support_sub_cpu) {
 583                 // support both p6/p6t and wav
 584                 sub->rec_tape(file_path);       // temporary
 585 //              drec->rec_tape(file_path);
 586 //              drec->set_remote(true);
 587         } else {
 588                 // support both p6/p6t and wav
 589                 psub->rec_tape(file_path);
 590         }
 591 }
 592
 593 void VM::close_tape(int drv)
 594 {
 595         if(support_sub_cpu) {
 596                 if(sub->is_tape_inserted()) {
 597                         sub->close_tape();      // temporary
 598                 } else {
 599                         emu->lock_vm();
 600                         drec->close_tape();
 601                         emu->unlock_vm();
 602 //                      drec->set_remote(false);
 603                 }
 604         } else {
 605                 psub->close_tape();
 606         }
 607 }
 608
 609 bool VM::is_tape_inserted(int drv)
 610 {
 611         if(support_sub_cpu) {
 612                 return drec->is_tape_inserted() || sub->is_tape_inserted();
 613         } else {
 614                 return psub->is_tape_inserted();
 615         }
 616 }
 617
 618 bool VM::is_tape_playing(int drv)
 619 {
 620         if(support_sub_cpu) {
 621                 return drec->is_tape_playing();
 622         } else {
 623                 return false;
 624         }
 625 }
 626
 627 bool VM::is_tape_recording(int drv)
 628 {
 629         if(support_sub_cpu) {
 630                 return drec->is_tape_recording();
 631         } else {
 632                 return false;
 633         }
 634 }
 635
 636 int VM::get_tape_position(int drv)
 637 {
 638         if(support_sub_cpu) {
 639                 return drec->get_tape_position();
 640         } else {
 641                 return 0;
 642         }
 643 }
 644
 645 const _TCHAR* VM::get_tape_message(int drv)
 646 {
 647         if(support_sub_cpu) {
 648                 return drec->get_message();
 649         } else {
 650                 return NULL;
 651         }
 652 }
 653
 654 void VM::push_play(int drv)
 655 {
 656         if(support_sub_cpu) {
 657                 drec->set_ff_rew(0);
 658                 drec->set_remote(true);
 659         }
 660 }
 661
 662 void VM::push_stop(int drv)
 663 {
 664         if(support_sub_cpu) {
 665                 drec->set_remote(false);
 666         }
 667 }
 668
 669 void VM::push_fast_forward(int drv)
 670 {
 671         if(support_sub_cpu) {
 672                 drec->set_ff_rew(1);
 673                 drec->set_remote(true);
 674         }
 675 }
 676
 677 void VM::push_fast_rewind(int drv)
 678 {
 679         if(support_sub_cpu) {
 680                 drec->set_ff_rew(-1);
 681                 drec->set_remote(true);
 682         }
 683 }
 684
 685 bool VM::is_frame_skippable()
 686 {
 687         return event->is_frame_skippable();
 688 }
 689
 690 void VM::update_config()
 691 {
 692         for(DEVICE* device = first_device; device; device = device->next_device) {
 693                 device->update_config();
 694         }
 695 }
 696
 697 #define STATE_VERSION   6
 698
 699 #include "../../statesub.h"
 700 #include "../../qt/gui/csp_logger.h"
 701 extern CSP_Logger DLL_PREFIX_I *csp_logger;
 702
 703 void VM::decl_state(void)
 704 {
 705 #if defined(_PC6001)
 706         state_entry = new csp_state_utils(STATE_VERSION, 0, (_TCHAR *)(_T("CSP::PC_6001_HEAD")), csp_logger);
 707 #elif defined(_PC6001MK2)
 708         state_entry = new csp_state_utils(STATE_VERSION, 0, (_TCHAR *)(_T("CSP::PC_6001_MK2_HEAD")), csp_logger);
 709 #elif defined(_PC6001MK2SR)
 710         state_entry = new csp_state_utils(STATE_VERSION, 0, (_TCHAR *)(_T("CSP::PC_6001_MK2_SR_HEAD")), csp_logger);
 711 #elif defined(_PC6601)
 712         state_entry = new csp_state_utils(STATE_VERSION, 0, (_TCHAR *)(_T("CSP::PC_6601_HEAD")), csp_logger);
 713 #elif defined(_PC601SR)
 714         state_entry = new csp_state_utils(STATE_VERSION, 0, (_TCHAR *)(_T("CSP::PC_6601_SR_HEAD")), csp_logger);
 715 #else
 716         state_entry = new csp_state_utils(STATE_VERSION, 0, (_TCHAR *)(_T("CSP::PC_6001_SERIES_HEAD")), csp_logger);
 717 #endif
 718         DECL_STATE_ENTRY_INT32(sr_mode);
 719         for(DEVICE* device = first_device; device; device = device->next_device) {
 720                 device->decl_state();
 721         }
 722 }
 723
 724 void VM::save_state(FILEIO* state_fio)
 725 {
 726         //state_fio->FputUint32(STATE_VERSION);
 727
 728         if(state_entry != NULL) {
 729                 state_entry->save_state(state_fio);
 730         }
 731         for(DEVICE* device = first_device; device; device = device->next_device) {
 732                 device->save_state(state_fio);
 733         }
 734         //state_fio->FputInt32(sr_mode);
 735 }
 736
 737 bool VM::load_state(FILEIO* state_fio)
 738 {
 739         //if(state_fio->FgetUint32() != STATE_VERSION) {
 740         //      return false;
 741         //}
 742         bool mb = false;
 743         if(state_entry != NULL) {
 744                 mb = state_entry->load_state(state_fio);
 745         }
 746         if(!mb) {
 747                 emu->out_debug_log("INFO: HEADER DATA ERROR");
 748                 return false;
 749         }
 750         for(DEVICE* device = first_device; device; device = device->next_device) {
 751                 if(!device->load_state(state_fio)) {
 752                         return false;
 753                 }
 754         }
 755         //sr_mode = state_fio->FgetInt32();
 756         return true;
 757 }
 758