source/src/vm/fm7/fm7.cpp

   1 /*
   2  * FM7 -> VM
   3  * (C) 2015 K.Ohta <whatisthis.sowhat _at_ gmail.com>
   4  * History:
   5  *   Feb 27, 2015 : Initial
   6  */
   7
   8 #include "fm7.h"
   9 #include "../../emu.h"
  10 #include "../../config.h"
  11 #include "../device.h"
  12 #include "../event.h"
  13 #include "../memory.h"
  14 #include "../prnfile.h"
  15
  16 #ifdef USE_DEBUGGER
  17 #include "../debugger.h"
  18 #endif
  19
  20 #include "../datarec.h"
  21 #include "../disk.h"
  22
  23 #include "../mc6809.h"
  24 #include "../z80.h"
  25 #include "../mb8877.h"
  26
  27 #include "../pcm1bit.h"
  28 #include "../ym2203.h"
  29 #if defined(_FM77AV_VARIANTS)
  30 #include "mb61vh010.h"
  31 #include "../beep.h"
  32 #endif
  33 #if defined(HAS_DMA)
  34 #include "hd6844.h"
  35 #endif
  36 #if defined(_FM8)
  37 #include "./bubblecasette.h"
  38 #endif
  39
  40 #if defined(USE_LED_DEVICE)
  41 #include "./dummydevice.h"
  42 #else
  43 #define SIG_DUMMYDEVICE_BIT0 0
  44 #define SIG_DUMMYDEVICE_BIT1 1
  45 #define SIG_DUMMYDEVICE_BIT2 2
  46 #endif
  47
  48 #include "./fm7_mainio.h"
  49 #include "./fm7_mainmem.h"
  50 #include "./fm7_display.h"
  51 #include "./fm7_keyboard.h"
  52 #include "./joystick.h"
  53
  54 #include "./kanjirom.h"
  55
  56 VM::VM(EMU* parent_emu): emu(parent_emu)
  57 {
  58
  59         first_device = last_device = NULL;
  60 #if defined(_FM8)
  61         psg = NULL;
  62 #else
  63 # if defined(_FM77AV_VARIANTS)
  64         opn[0] = opn[1] = opn[2] = NULL;
  65 # else
  66         opn[0] = opn[1] = opn[2] = psg = NULL;
  67 # endif
  68 #endif
  69         dummy = new DEVICE(this, emu);  // must be 1st device
  70         event = new EVENT(this, emu);   // must be 2nd device
  71
  72         dummycpu = new DEVICE(this, emu);
  73         maincpu = new MC6809(this, emu);
  74         subcpu = new MC6809(this, emu);
  75 #ifdef WITH_Z80
  76         z80cpu = new Z80(this, emu);
  77 #endif
  78         // basic devices
  79         // I/Os
  80 #if defined(HAS_DMA)
  81         dmac = new HD6844(this, emu);
  82 #endif
  83 #if defined(_FM8)
  84         psg = new YM2203(this, emu);
  85 #else
  86         opn[0] = new YM2203(this, emu); // OPN
  87         opn[1] = new YM2203(this, emu); // WHG
  88         opn[2] = new YM2203(this, emu); // THG
  89 # if !defined(_FM77AV_VARIANTS)
  90         psg = new YM2203(this, emu);
  91 # endif
  92 #endif
  93 #if defined(_FM8)
  94         for(int i = 0; i < 2; i++) bubble_casette[i] = new BUBBLECASETTE(this, emu);
  95 #endif
  96         drec = new DATAREC(this, emu);
  97         pcm1bit = new PCM1BIT(this, emu);
  98         fdc = new MB8877(this, emu);
  99         joystick  = new JOYSTICK(this, emu);
 100         printer = new PRNFILE(this, emu);
 101 #if defined(_FM77AV_VARIANTS)
 102         alu = new MB61VH010(this, emu);
 103         keyboard_beep = new BEEP(this, emu);
 104 #endif
 105         keyboard = new KEYBOARD(this, emu);
 106         display = new DISPLAY(this, emu);
 107
 108         mainio  = new FM7_MAINIO(this, emu);
 109         mainmem = new FM7_MAINMEM(this, emu);
 110
 111 #if defined(_FM8) || defined(_FM7) || defined(_FMNEW7)
 112         if((config.dipswitch & FM7_DIPSW_CONNECT_KANJIROM) != 0) {
 113                 kanjiclass1 = new KANJIROM(this, emu, false);
 114         } else {
 115                 kanjiclass1 = NULL;
 116         }
 117 #else
 118         kanjiclass1 = new KANJIROM(this, emu, false);
 119 #endif
 120 #ifdef CAPABLE_KANJI_CLASS2
 121         kanjiclass2 = new KANJIROM(this, emu, true);
 122 #endif
 123 #if defined(USE_LED_DEVICE)
 124         led_terminate = new DUMMYDEVICE(this, emu);
 125 #else
 126         led_terminate = new DEVICE(this, emu);
 127 #endif
 128         this->connect_bus();
 129
 130 }
 131
 132 VM::~VM()
 133 {
 134         // delete all devices
 135         for(DEVICE* device = first_device; device;) {
 136                 DEVICE *next_device = device->next_device;
 137                 device->release();
 138                 delete device;
 139                 device = next_device;
 140         }
 141 }
 142
 143 DEVICE* VM::get_device(int id)
 144 {
 145         for(DEVICE* device = first_device; device; device = device->next_device) {
 146                 if(device->this_device_id == id) {
 147                         return device;
 148                 }
 149         }
 150         return NULL;
 151 }
 152
 153 void VM::connect_bus(void)
 154 {
 155         uint32_t mainclock;
 156         uint32_t subclock;
 157
 158         /*
 159          * CLASS CONSTRUCTION
 160          *
 161          * VM
 162          *  |-> MAINCPU -> MAINMEM -> MAINIO -> MAIN DEVICES
 163          *  |             |        |
 164          *  | -> SUBCPU  -> SUBMEM  -> SUBIO -> SUB DEVICES
 165          *  | -> DISPLAY
 166          *  | -> KEYBOARD
 167          *
 168          *  MAINMEM can access SUBMEM/IO, when SUBCPU is halted.
 169          *  MAINMEM and SUBMEM can access DISPLAY and KEYBOARD with exclusive.
 170          *  MAINCPU can access MAINMEM.
 171          *  SUBCPU  can access SUBMEM.
 172          *  DISPLAY : R/W from MAINCPU and SUBCPU.
 173          *  KEYBOARD : R/W
 174          *
 175          */
 176         event->set_frames_per_sec(FRAMES_PER_SEC);
 177         event->set_lines_per_frame(LINES_PER_FRAME);
 178         //event->set_context_cpu(dummycpu, (CPU_CLOCKS * 3) / 8); // MAYBE FIX With eFM77AV40/20.
 179         // With slow clock (for dummycpu), some softwares happen troubles,
 180         // Use faster clock for dummycpu. 20160319 K.Ohta
 181         event->set_context_cpu(dummycpu, SUBCLOCK_NORMAL);
 182
 183 #if defined(_FM8)
 184         mainclock = MAINCLOCK_SLOW;
 185         subclock = SUBCLOCK_SLOW;
 186 #else
 187         if(config.cpu_type == 0) {
 188                 // 2MHz
 189                 subclock = SUBCLOCK_NORMAL;
 190                 mainclock = MAINCLOCK_NORMAL;
 191         } else {
 192                 // 1.2MHz
 193                 mainclock = MAINCLOCK_SLOW;
 194                 subclock = SUBCLOCK_SLOW;
 195         }
 196         //if((config.dipswitch & FM7_DIPSW_CYCLESTEAL) != 0) subclock = subclock / 3;
 197 #endif
 198         event->set_context_cpu(maincpu, mainclock);
 199         event->set_context_cpu(subcpu,  subclock);
 200
 201 #ifdef WITH_Z80
 202         event->set_context_cpu(z80cpu,  4000000);
 203         z80cpu->write_signal(SIG_CPU_BUSREQ, 1, 1);
 204 #endif
 205
 206         event->set_context_sound(pcm1bit);
 207 #if defined(_FM8)
 208         event->set_context_sound(psg);
 209         event->set_context_sound(drec);
 210 #else
 211         event->set_context_sound(opn[0]);
 212         event->set_context_sound(opn[1]);
 213         event->set_context_sound(opn[2]);
 214 # if !defined(_FM77AV_VARIANTS)
 215         event->set_context_sound(psg);
 216 # endif
 217         event->set_context_sound(drec);
 218 # if defined(_FM77AV_VARIANTS)
 219         event->set_context_sound(keyboard_beep);
 220 # endif
 221 #endif
 222 #if !defined(_FM77AV_VARIANTS) && !defined(_FM77L4)
 223         event->register_vline_event(display);
 224         event->register_frame_event(display);
 225 #endif
 226         mainio->set_context_maincpu(maincpu);
 227         mainio->set_context_subcpu(subcpu);
 228
 229         mainio->set_context_display(display);
 230 #if defined(_FM8) || defined(_FM7) || defined(_FMNEW7)
 231         if((config.dipswitch & FM7_DIPSW_CONNECT_KANJIROM) != 0) {
 232                 mainio->set_context_kanjirom_class1(kanjiclass1);
 233         }
 234 #else
 235         mainio->set_context_kanjirom_class1(kanjiclass1);
 236 #endif
 237         mainio->set_context_mainmem(mainmem);
 238         mainio->set_context_keyboard(keyboard);
 239         mainio->set_context_printer(printer);
 240         mainio->set_context_printer_reset(printer, SIG_PRINTER_RESET, 0xffffffff);
 241         mainio->set_context_printer_strobe(printer, SIG_PRINTER_STROBE, 0xffffffff);
 242         mainio->set_context_printer_select(printer, SIG_PRINTER_SELECT, 0xffffffff);
 243 #if defined(CAPABLE_KANJI_CLASS2)
 244         mainio->set_context_kanjirom_class2(kanjiclass2);
 245 #endif
 246 #if defined(_FM8)
 247         for(int i = 0; i < 2; i++) mainio->set_context_bubble(bubble_casette[i], i);
 248 #endif
 249         keyboard->set_context_break_line(mainio, FM7_MAINIO_PUSH_BREAK, 0xffffffff);
 250         keyboard->set_context_int_line(mainio, FM7_MAINIO_KEYBOARDIRQ, 0xffffffff);
 251         keyboard->set_context_int_line(display, SIG_FM7_SUB_KEY_FIRQ, 0xffffffff);
 252 #if defined(_FM77AV_VARIANTS)
 253         keyboard->set_context_beep(keyboard_beep);
 254 #endif
 255         keyboard->set_context_rxrdy(display, SIG_FM7KEY_RXRDY, 0x01);
 256         keyboard->set_context_key_ack(display, SIG_FM7KEY_ACK, 0x01);
 257         keyboard->set_context_ins_led( led_terminate, SIG_DUMMYDEVICE_BIT0, 0xffffffff);
 258         keyboard->set_context_caps_led(led_terminate, SIG_DUMMYDEVICE_BIT1, 0xffffffff);
 259         keyboard->set_context_kana_led(led_terminate, SIG_DUMMYDEVICE_BIT2, 0xffffffff);
 260
 261         drec->set_context_ear(mainio, FM7_MAINIO_CMT_RECV, 0xffffffff);
 262         //drec->set_context_remote(mainio, FM7_MAINIO_CMT_REMOTE, 0xffffffff);
 263         mainio->set_context_datarec(drec);
 264
 265         mainmem->set_context_mainio(mainio);
 266         mainmem->set_context_display(display);
 267         mainmem->set_context_maincpu(maincpu);
 268 #if defined(CAPABLE_DICTROM)
 269         mainmem->set_context_kanjirom_class1(kanjiclass1);
 270 #endif
 271         display->set_context_mainio(mainio);
 272         display->set_context_subcpu(subcpu);
 273         display->set_context_keyboard(keyboard);
 274
 275         mainio->set_context_clock_status(mainmem, FM7_MAINIO_CLOCKMODE, 0xffffffff);
 276         mainio->set_context_clock_status(display, SIG_DISPLAY_CLOCK, 0xffffffff);
 277
 278         subcpu->set_context_bus_halt(display, SIG_FM7_SUB_HALT, 0xffffffff);
 279         subcpu->set_context_bus_halt(mainmem, SIG_FM7_SUB_HALT, 0xffffffff);
 280
 281 #if defined(_FM77_VARIANTS) || defined(_FM77AV_VARIANTS)
 282         display->set_context_kanjiclass1(kanjiclass1);
 283 #endif
 284 #if defined(CAPABLE_KANJI_CLASS2)
 285         display->set_context_kanjiclass2(kanjiclass2);
 286 #endif
 287 #if defined(_FM77AV_VARIANTS)
 288         display->set_context_alu(alu);
 289         alu->set_context_memory(display);
 290 #endif
 291         // Palette, VSYNC, HSYNC, Multi-page, display mode.
 292         mainio->set_context_display(display);
 293
 294         //FDC
 295         fdc->set_context_irq(mainio, FM7_MAINIO_FDC_IRQ, 0x1);
 296         fdc->set_context_drq(mainio, FM7_MAINIO_FDC_DRQ, 0x1);
 297         mainio->set_context_fdc(fdc);
 298         // SOUND
 299         mainio->set_context_beep(pcm1bit);
 300 #if defined(_FM8)
 301         mainio->set_context_psg(psg);
 302 #else
 303 # if !defined(_FM77AV_VARIANTS)
 304         mainio->set_context_psg(psg);
 305 # endif
 306         opn[0]->set_context_irq(mainio, FM7_MAINIO_OPN_IRQ, 0xffffffff);
 307         mainio->set_context_opn(opn[0], 0);
 308         //joystick->set_context_opn(opn[0]);
 309         mainio->set_context_joystick(joystick);
 310         opn[0]->set_context_port_b(joystick, FM7_JOYSTICK_MOUSE_STROBE, 0xff, 0);
 311
 312         opn[1]->set_context_irq(mainio, FM7_MAINIO_WHG_IRQ, 0xffffffff);
 313         mainio->set_context_opn(opn[1], 1);
 314         opn[2]->set_context_irq(mainio, FM7_MAINIO_THG_IRQ, 0xffffffff);
 315         mainio->set_context_opn(opn[2], 2);
 316 #endif
 317         subcpu->set_context_bus_halt(display, SIG_FM7_SUB_HALT, 0xffffffff);
 318         subcpu->set_context_bus_clr(display, SIG_FM7_SUB_USE_CLR, 0x0000000f);
 319
 320         event->register_frame_event(joystick);
 321 #if defined(HAS_DMA)
 322         dmac->set_context_src(fdc, 0);
 323         dmac->set_context_dst(mainmem, 0);
 324         dmac->set_context_int_line(mainio, 0, FM7_MAINIO_DMA_INT, 0xffffffff);
 325         dmac->set_context_drq_line(maincpu, 1, SIG_CPU_BUSREQ, 0xffffffff);
 326         mainio->set_context_dmac(dmac);
 327 #endif
 328
 329         // MEMORIES must set before initialize().
 330         maincpu->set_context_mem(mainmem);
 331         subcpu->set_context_mem(display);
 332 #ifdef WITH_Z80
 333         z80cpu->set_context_mem(mainmem);
 334 #endif
 335 #ifdef USE_DEBUGGER
 336         maincpu->set_context_debugger(new DEBUGGER(this, emu));
 337         subcpu->set_context_debugger(new DEBUGGER(this, emu));
 338 # ifdef WITH_Z80
 339         z80cpu->set_context_debugger(new DEBUGGER(this, emu));
 340 # endif
 341 #endif
 342         for(DEVICE* device = first_device; device; device = device->next_device) {
 343                 device->initialize();
 344         }
 345
 346         // Disks
 347         for(int i = 0; i < 2; i++) {
 348 #if defined(_FM77AV20) || defined(_FM77AV20EX) || \
 349         defined(_FM77AV40SX) || defined(_FM77AV40EX) || defined(_FM77AV40SX)
 350                 fdc->set_drive_type(i, DRIVE_TYPE_2DD);
 351 #else
 352                 fdc->set_drive_type(i, DRIVE_TYPE_2D);
 353 #endif
 354                 fdc->set_drive_rpm(i, 360);
 355                 fdc->set_drive_mfm(i, true);
 356         }
 357 #if defined(_FM77) || defined(_FM77L4)
 358         for(int i = 2; i < 4; i++) {
 359                 fdc->set_drive_type(i, DRIVE_TYPE_2HD);
 360                 fdc->set_drive_rpm(i, 360);
 361                 fdc->set_drive_mfm(i, true);
 362         }
 363 #endif
 364
 365 }
 366
 367 void VM::update_config()
 368 {
 369         uint32_t vol1, vol2, tmpv;
 370         int ii, i_limit;
 371
 372         for(DEVICE* device = first_device; device; device = device->next_device) {
 373                 device->update_config();
 374         }
 375         //update_dipswitch();
 376 }
 377
 378 void VM::reset()
 379 {
 380         // reset all devices
 381         for(DEVICE* device = first_device; device; device = device->next_device) {
 382                 device->reset();
 383         }
 384 #if !defined(_FM77AV_VARIANTS) || defined(_FM8)
 385         psg->set_reg(0x27, 0); // stop timer
 386         psg->set_reg(0x2e, 0);  // set prescaler
 387         psg->write_signal(SIG_YM2203_MUTE, 0x00, 0x01); // Okay?
 388 #endif
 389 #if !defined(_FM8)
 390         for(int i = 0; i < 3; i++) {
 391                 opn[i]->set_reg(0x27, 0); // stop timer
 392                 opn[i]->set_reg(0x2e, 0);       // set prescaler
 393                 opn[i]->write_signal(SIG_YM2203_MUTE, 0x00, 0x01); // Okay?
 394         }
 395 #endif
 396 }
 397
 398 void VM::special_reset()
 399 {
 400         // BREAK + RESET
 401         mainio->write_signal(FM7_MAINIO_PUSH_BREAK, 1, 1);
 402         mainio->reset();
 403         mainmem->reset();
 404
 405 #if defined(FM77AV_VARIANTS)
 406         mainio->write_signal(FM7_MAINIO_HOT_RESET, 1, 1);
 407 #endif
 408         display->reset();
 409         subcpu->reset();
 410         mainio->write_signal(FM7_MAINIO_PUSH_BREAK, 1, 1);
 411         maincpu->reset();
 412         event->register_event(mainio, EVENT_UP_BREAK, 10000.0 * 1000.0, false, NULL);
 413 }
 414
 415 void VM::run()
 416 {
 417         event->drive();
 418 }
 419
 420 double VM::get_frame_rate()
 421 {
 422         return event->get_frame_rate();
 423 }
 424
 425 #if defined(USE_LED_DEVICE)
 426 uint32_t VM::get_led_status()
 427 {
 428         return led_terminate->read_signal(SIG_DUMMYDEVICE_READWRITE);
 429 }
 430 #endif // USE_LED_DEVICE
 431
 432
 433 // ----------------------------------------------------------------------------
 434 // debugger
 435 // ----------------------------------------------------------------------------
 436
 437 #ifdef USE_DEBUGGER
 438 DEVICE *VM::get_cpu(int index)
 439 {
 440         if(index == 0) {
 441                 return maincpu;
 442         } else if(index == 1) {
 443                 return subcpu;
 444         }
 445 #if defined(_WITH_Z80)
 446         else if(index == 2) {
 447                 return z80cpu;
 448         }
 449 #endif
 450         return NULL;
 451 }
 452 #endif
 453
 454 // ----------------------------------------------------------------------------
 455 // draw screen
 456 // ----------------------------------------------------------------------------
 457
 458 void VM::draw_screen()
 459 {
 460         display->draw_screen();
 461 }
 462
 463 uint32_t VM::get_access_lamp_status()
 464 {
 465         uint32_t status = fdc->read_signal(0xff);
 466         return (status & (1 | 4)) ? 1 : (status & (2 | 8)) ? 2 : 0;
 467 }
 468
 469 void VM::initialize_sound(int rate, int samples)
 470 {
 471         // init sound manager
 472         event->initialize_sound(rate, samples);
 473         // init sound gen
 474 #if defined(_FM8)
 475         psg->initialize_sound(rate, (int)(4.9152 * 1000.0 * 1000.0 / 4.0), samples, 0, 0);
 476 #else
 477         opn[0]->initialize_sound(rate, (int)(4.9152 * 1000.0 * 1000.0 / 4.0), samples, 0, 0);
 478         opn[1]->initialize_sound(rate, (int)(4.9152 * 1000.0 * 1000.0 / 4.0), samples, 0, 0);
 479         opn[2]->initialize_sound(rate, (int)(4.9152 * 1000.0 * 1000.0 / 4.0), samples, 0, 0);
 480 # if !defined(_FM77AV_VARIANTS)
 481         psg->initialize_sound(rate, (int)(4.9152 * 1000.0 * 1000.0 / 4.0), samples, 0, 0);
 482 # endif
 483 # if defined(_FM77AV_VARIANTS)
 484         keyboard_beep->initialize_sound(rate, 2400.0, 512);
 485 # endif
 486 #endif
 487         pcm1bit->initialize_sound(rate, 2000);
 488         //drec->initialize_sound(rate, 0);
 489 }
 490
 491 uint16* VM::create_sound(int* extra_frames)
 492 {
 493         uint16* p = event->create_sound(extra_frames);
 494         return p;
 495 }
 496
 497 int VM::get_sound_buffer_ptr()
 498 {
 499         int pos = event->get_sound_buffer_ptr();
 500         return pos;
 501 }
 502
 503 #ifdef USE_SOUND_VOLUME
 504 void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
 505 {
 506 #if !defined(_FM77AV_VARIANTS)
 507         if(ch-- == 0) {
 508                 psg->set_volume(0, decibel_l, decibel_r);
 509                 psg->set_volume(1, decibel_l, decibel_r);
 510         } else
 511 #endif
 512 #if !defined(_FM8)
 513         if(ch-- == 0) {
 514                 opn[0]->set_volume(0, decibel_l, decibel_r);
 515         } else if(ch-- == 0) {
 516                 opn[0]->set_volume(1, decibel_l, decibel_r);
 517         } else if(ch-- == 0) {
 518                 opn[1]->set_volume(0, decibel_l, decibel_r);
 519         } else if(ch-- == 0) {
 520                 opn[1]->set_volume(1, decibel_l, decibel_r);
 521         } else if(ch-- == 0) {
 522                 opn[2]->set_volume(0, decibel_l, decibel_r);
 523         } else if(ch-- == 0) {
 524                 opn[2]->set_volume(1, decibel_l, decibel_r);
 525         } else
 526 #endif
 527         if(ch-- == 0) {
 528                 pcm1bit->set_volume(0, decibel_l, decibel_r);
 529         } else if(ch-- == 0) {
 530                 drec->set_volume(0, decibel_l, decibel_r);
 531         }
 532 #if defined(_FM77AV_VARIANTS)
 533          else if(ch-- == 0) {
 534                 keyboard_beep->set_volume(0, decibel_l, decibel_r);
 535         }
 536 #endif
 537 }
 538 #endif
 539
 540 // ----------------------------------------------------------------------------
 541 // notify key
 542 // ----------------------------------------------------------------------------
 543
 544 void VM::key_down(int code, bool repeat)
 545 {
 546         if(!repeat) {
 547                 keyboard->key_down(code);
 548         }
 549 }
 550
 551 void VM::key_up(int code)
 552 {
 553         keyboard->key_up(code);
 554 }
 555
 556 // ----------------------------------------------------------------------------
 557 // user interface
 558 // ----------------------------------------------------------------------------
 559
 560 void VM::open_floppy_disk(int drv, const _TCHAR* file_path, int bank)
 561 {
 562         fdc->open_disk(drv, file_path, bank);
 563 }
 564
 565 void VM::close_floppy_disk(int drv)
 566 {
 567         fdc->close_disk(drv);
 568 }
 569
 570 bool VM::is_floppy_disk_inserted(int drv)
 571 {
 572         return fdc->is_disk_inserted(drv);
 573 }
 574
 575 void VM::is_floppy_disk_protected(int drv, bool value)
 576 {
 577         fdc->is_disk_protected(drv, value);
 578 }
 579
 580 bool VM::is_floppy_disk_protected(int drv)
 581 {
 582         return fdc->is_disk_protected(drv);
 583 }
 584
 585 void VM::play_tape(const _TCHAR* file_path)
 586 {
 587         drec->play_tape(file_path);
 588 }
 589
 590 void VM::rec_tape(const _TCHAR* file_path)
 591 {
 592         drec->rec_tape(file_path);
 593 }
 594
 595 void VM::close_tape()
 596 {
 597         drec->close_tape();
 598 }
 599
 600 bool VM::is_tape_inserted()
 601 {
 602         return drec->is_tape_inserted();
 603 }
 604
 605 bool VM::is_tape_playing()
 606 {
 607         return drec->is_tape_playing();
 608 }
 609
 610 bool VM::is_tape_recording()
 611 {
 612         return drec->is_tape_recording();
 613 }
 614
 615 int VM::get_tape_position()
 616 {
 617         return drec->get_tape_position();
 618 }
 619
 620 void VM::push_play()
 621 {
 622         drec->set_ff_rew(0);
 623         drec->set_remote(true);
 624 }
 625
 626
 627 void VM::push_stop()
 628 {
 629         drec->set_remote(false);
 630 }
 631
 632 void VM::push_fast_forward()
 633 {
 634         drec->set_ff_rew(1);
 635         drec->set_remote(true);
 636 }
 637
 638 void VM::push_fast_rewind()
 639 {
 640         drec->set_ff_rew(-1);
 641         drec->set_remote(true);
 642 }
 643
 644 void VM::push_apss_forward()
 645 {
 646         drec->do_apss(1);
 647 }
 648
 649 void VM::push_apss_rewind()
 650 {
 651         drec->do_apss(-1);
 652 }
 653
 654 bool VM::is_frame_skippable()
 655 {
 656         return event->is_frame_skippable();
 657 }
 658
 659 void VM::update_dipswitch()
 660 {
 661         // bit0         0=High 1=Standard
 662         // bit2         0=5"2D 1=5"2HD
 663   //    io->set_iovalue_single_r(0x1ff0, (config.monitor_type & 1) | ((config.drive_type & 1) << 2));
 664 }
 665
 666 void VM::set_cpu_clock(DEVICE *cpu, uint32_t clocks) {
 667         event->set_secondary_cpu_clock(cpu, clocks);
 668 }
 669
 670 #if defined(USE_BUBBLE1)
 671 void VM::open_bubble_casette(int drv, _TCHAR *path, int bank)
 672 {
 673         if((drv >= 2) || (drv < 0)) return;
 674         if(bubble_casette[drv] == NULL) return;
 675         bubble_casette[drv]->open(path, bank);
 676 }
 677
 678 void VM::close_bubble_casette(int drv)
 679 {
 680         if((drv >= 2) || (drv < 0)) return;
 681         if(bubble_casette[drv] == NULL) return;
 682         bubble_casette[drv]->close();
 683 }
 684
 685 bool VM::is_bubble_casette_inserted(int drv)
 686 {
 687         if((drv >= 2) || (drv < 0)) return false;
 688         if(bubble_casette[drv] == NULL) return false;
 689         return bubble_casette[drv]->is_bubble_inserted();
 690 }
 691
 692 bool VM::is_bubble_casette_protected(int drv)
 693 {
 694         if((drv >= 2) || (drv < 0)) return false;
 695         if(bubble_casette[drv] == NULL) return false;
 696         return bubble_casette[drv]->is_bubble_protected();
 697 }
 698
 699 void VM::is_bubble_casette_protected(int drv, bool flag)
 700 {
 701         if((drv >= 2) || (drv < 0)) return;
 702         if(bubble_casette[drv] == NULL) return;
 703         bubble_casette[drv]->set_bubble_protect(flag);
 704 }
 705 #endif
 706
 707
 708 #define STATE_VERSION   3
 709 void VM::save_state(FILEIO* state_fio)
 710 {
 711         state_fio->FputUint32_BE(STATE_VERSION);
 712         for(DEVICE* device = first_device; device; device = device->next_device) {
 713                 device->save_state(state_fio);
 714         }
 715 }
 716
 717 bool VM::load_state(FILEIO* state_fio)
 718 {
 719         uint32_t version = state_fio->FgetUint32_BE();
 720         int i = 1;
 721         if(version != STATE_VERSION) {
 722                 return false;
 723         }
 724         for(DEVICE* device = first_device; device; device = device->next_device) {
 725                 if(!device->load_state(state_fio)) {
 726                         printf("Load Error: DEVID=%d\n", device->this_device_id);
 727                         return false;
 728                 }
 729         }
 730         return true;
 731 }
 732
 733 #ifdef USE_DIG_RESOLUTION
 734 void VM::get_screen_resolution(int *w, int *h)
 735 {
 736         switch(display->get_screen_mode()) {
 737         case DISPLAY_MODE_8_200L:
 738         case DISPLAY_MODE_8_200L_TEXT:
 739                 *w = 640;
 740                 *h = 200;
 741                 break;
 742         case DISPLAY_MODE_8_400L:
 743         case DISPLAY_MODE_8_400L_TEXT:
 744                 *w = 640;
 745                 *h = 400;
 746                 break;
 747         case DISPLAY_MODE_4096:
 748         case DISPLAY_MODE_256k:
 749                 *w = 320;
 750                 *h = 200;
 751                 break;
 752         default:
 753                 *w = 640;
 754                 *h = 200;
 755                 break;
 756         }
 757 }
 758 #endif
 759
 760 bool VM::is_screen_changed()
 761 {
 762         bool f = true;
 763 #if defined(USE_MINIMUM_RENDERING)
 764         f = display->screen_update();
 765         display->reset_screen_update();
 766 #endif
 767         return f;
 768 }