source/src/vm/fm7/fm7.cpp

   1
   2 /*
   3  * FM7 -> VM
   4  * (C) 2015 K.Ohta <whatisthis.sowhat _at_ gmail.com>
   5  * History:
   6  *   Feb 27, 2015 : Initial
   7  */
   8
   9 #include "fm7.h"
  10 #include "../../emu.h"
  11 #include "../../config.h"
  12 #include "../device.h"
  13 #include "../event.h"
  14 #include "../memory.h"
  15 #include "../prnfile.h"
  16
  17 #ifdef USE_DEBUGGER
  18 #include "../debugger.h"
  19 #endif
  20 #if defined(SUPPORT_DUMMY_DEVICE_LED)
  21 #include "../dummydevice.h"
  22 #else
  23 #define SIG_DUMMYDEVICE_BIT0 0
  24 #define SIG_DUMMYDEVICE_BIT1 1
  25 #define SIG_DUMMYDEVICE_BIT2 2
  26 #endif
  27
  28 #include "../datarec.h"
  29 #include "../disk.h"
  30
  31 #include "../mc6809.h"
  32 #include "../z80.h"
  33 #include "../mb8877.h"
  34
  35 #include "../pcm1bit.h"
  36 #include "../ym2203.h"
  37 #if defined(_FM77AV_VARIANTS)
  38 #include "mb61vh010.h"
  39 #include "../beep.h"
  40 #endif
  41 #if defined(HAS_DMA)
  42 #include "hd6844.h"
  43 #endif
  44
  45 #include "./fm7_mainio.h"
  46 #include "./fm7_mainmem.h"
  47 #include "./fm7_display.h"
  48 #include "./fm7_keyboard.h"
  49 #include "./joystick.h"
  50
  51 #include "./kanjirom.h"
  52
  53 VM::VM(EMU* parent_emu): emu(parent_emu)
  54 {
  55
  56         first_device = last_device = NULL;
  57 #if defined(_FM8)
  58         psg = NULL;
  59 #else
  60 # if defined(_FM77AV_VARIANTS)
  61         opn[0] = opn[1] = opn[2] = NULL;
  62 # else
  63         opn[0] = opn[1] = opn[2] = psg = NULL;
  64 # endif
  65 #endif
  66         dummy = new DEVICE(this, emu);  // must be 1st device
  67         event = new EVENT(this, emu);   // must be 2nd device
  68
  69         dummycpu = new DEVICE(this, emu);
  70         maincpu = new MC6809(this, emu);
  71         subcpu = new MC6809(this, emu);
  72 #ifdef WITH_Z80
  73         z80cpu = new Z80(this, emu);
  74 #endif
  75         // basic devices
  76 #if defined(_FM8) || defined(_FM7) || defined(_FMNEW7)
  77         if((config.dipswitch & FM7_DIPSW_CONNECT_KANJIROM) != 0) {
  78                 kanjiclass1 = new KANJIROM(this, emu, false);
  79         }
  80 #else
  81         kanjiclass1 = new KANJIROM(this, emu, false);
  82 #endif
  83 #ifdef CAPABLE_KANJI_CLASS2
  84         kanjiclass2 = new KANJIROM(this, emu, true);
  85 #endif
  86         joystick  = new JOYSTICK(this, emu);
  87
  88         // I/Os
  89         drec = new DATAREC(this, emu);
  90         pcm1bit = new PCM1BIT(this, emu);
  91         fdc  = new MB8877(this, emu);
  92 #if defined(HAS_DMA)
  93         dmac = new HD6844(this, emu);
  94 #endif
  95 #if defined(_FM8)
  96         psg = new YM2203(this, emu);
  97 #else
  98         opn[0] = new YM2203(this, emu); // OPN
  99         opn[1] = new YM2203(this, emu); // WHG
 100         opn[2] = new YM2203(this, emu); // THG
 101 # if !defined(_FM77AV_VARIANTS)
 102         psg = new YM2203(this, emu);
 103 # endif
 104 #endif
 105 #if defined(_FM77AV_VARIANTS)
 106         alu = new MB61VH010(this, emu);
 107         keyboard_beep = new BEEP(this, emu);
 108 #endif
 109         keyboard = new KEYBOARD(this, emu);
 110         display = new DISPLAY(this, emu);
 111         printer = new PRNFILE(this, emu);
 112         mainio  = new FM7_MAINIO(this, emu);
 113         mainmem = new FM7_MAINMEM(this, emu);
 114
 115 #if defined(SUPPORT_DUMMY_DEVICE_LED)
 116         led_terminate = new DUMMYDEVICE(this, emu);
 117 #else
 118         led_terminate = new DEVICE(this, emu);
 119 #endif
 120         //maincpu = new MC6809(this, emu);
 121         //subcpu = new MC6809(this, emu);
 122 #ifdef WITH_Z80
 123         //z80cpu = new Z80(this, emu);
 124 #endif
 125         // MEMORIES must set before initialize().
 126         maincpu->set_context_mem(mainmem);
 127         subcpu->set_context_mem(display);
 128 #ifdef WITH_Z80
 129         z80cpu->set_context_mem(mainmem);
 130 #endif
 131 #ifdef USE_DEBUGGER
 132         maincpu->set_context_debugger(new DEBUGGER(this, emu));
 133         subcpu->set_context_debugger(new DEBUGGER(this, emu));
 134 # ifdef WITH_Z80
 135         z80cpu->set_context_debugger(new DEBUGGER(this, emu));
 136 # endif
 137 #endif
 138         connect_bus();
 139         initialize();
 140 }
 141
 142 VM::~VM()
 143 {
 144         // delete all devices
 145         for(DEVICE* device = first_device; device;) {
 146                 DEVICE *next_device = device->next_device;
 147                 device->release();
 148                 delete device;
 149                 device = next_device;
 150         }
 151 }
 152
 153 DEVICE* VM::get_device(int id)
 154 {
 155         for(DEVICE* device = first_device; device; device = device->next_device) {
 156                 if(device->this_device_id == id) {
 157                         return device;
 158                 }
 159         }
 160         return NULL;
 161 }
 162
 163
 164 void VM::initialize(void)
 165 {
 166         clock_low = false;
 167
 168 }
 169
 170
 171 void VM::connect_bus(void)
 172 {
 173         uint32 mainclock;
 174         uint32 subclock;
 175
 176         /*
 177          * CLASS CONSTRUCTION
 178          *
 179          * VM
 180          *  |-> MAINCPU -> MAINMEM -> MAINIO -> MAIN DEVICES
 181          *  |             |        |
 182          *  | -> SUBCPU  -> SUBMEM  -> SUBIO -> SUB DEVICES
 183          *  | -> DISPLAY
 184          *  | -> KEYBOARD
 185          *
 186          *  MAINMEM can access SUBMEM/IO, when SUBCPU is halted.
 187          *  MAINMEM and SUBMEM can access DISPLAY and KEYBOARD with exclusive.
 188          *  MAINCPU can access MAINMEM.
 189          *  SUBCPU  can access SUBMEM.
 190          *  DISPLAY : R/W from MAINCPU and SUBCPU.
 191          *  KEYBOARD : R/W
 192          *
 193          */
 194         event->set_frames_per_sec(FRAMES_PER_SEC);
 195         event->set_lines_per_frame(LINES_PER_FRAME);
 196         event->set_context_cpu(dummycpu, (CPU_CLOCKS * 3) / 8); // MAYBE FIX With eFM77AV40/20.
 197         //event->set_context_cpu(dummycpu, (int)(4.9152 * 1000.0 * 1000.0 / 4.0));
 198
 199 #if defined(_FM8)
 200         mainclock = MAINCLOCK_SLOW;
 201         subclock = SUBCLOCK_SLOW;
 202 #else
 203         if(config.cpu_type == 0) {
 204                 // 2MHz
 205                 subclock = SUBCLOCK_NORMAL;
 206                 mainclock = MAINCLOCK_NORMAL;
 207         } else {
 208                 // 1.2MHz
 209                 mainclock = MAINCLOCK_SLOW;
 210                 subclock = SUBCLOCK_SLOW;
 211         }
 212         //if((config.dipswitch & FM7_DIPSW_CYCLESTEAL) != 0) subclock = subclock / 3;
 213 #endif
 214         event->set_context_cpu(maincpu, mainclock);
 215         event->set_context_cpu(subcpu,  subclock);
 216
 217 #ifdef WITH_Z80
 218         event->set_context_cpu(z80cpu,  4000000);
 219         z80cpu->write_signal(SIG_CPU_BUSREQ, 1, 1);
 220 #endif
 221
 222         event->set_context_sound(pcm1bit);
 223 #if defined(_FM8)
 224         event->set_context_sound(psg);
 225         event->set_context_sound(drec);
 226 #else
 227 # if !defined(_FM77AV_VARIANTS)
 228         event->set_context_sound(psg);
 229 # endif
 230         event->set_context_sound(opn[0]);
 231         event->set_context_sound(opn[1]);
 232         event->set_context_sound(opn[2]);
 233         event->set_context_sound(drec);
 234 # if defined(_FM77AV_VARIANTS)
 235         event->set_context_sound(keyboard_beep);
 236 # endif
 237 #endif
 238         event->register_frame_event(display);
 239         //event->register_vline_event(display);
 240         //event->register_vline_event(mainio);
 241
 242         mainio->set_context_maincpu(maincpu);
 243         mainio->set_context_subcpu(subcpu);
 244
 245         mainio->set_context_display(display);
 246 #if defined(_FM8) || defined(_FM7) || defined(_FMNEW7)
 247         if((config.dipswitch & FM7_DIPSW_CONNECT_KANJIROM) != 0) {
 248                 mainio->set_context_kanjirom_class1(kanjiclass1);
 249         }
 250 #else
 251         mainio->set_context_kanjirom_class1(kanjiclass1);
 252 #endif
 253         mainio->set_context_mainmem(mainmem);
 254         mainio->set_context_keyboard(keyboard);
 255         mainio->set_context_printer(printer);
 256
 257 #if defined(CAPABLE_KANJI_CLASS2)
 258         mainio->set_context_kanjirom_class2(kanjiclass2);
 259 #endif
 260
 261         keyboard->set_context_break_line(mainio, FM7_MAINIO_PUSH_BREAK, 0xffffffff);
 262         keyboard->set_context_int_line(mainio, FM7_MAINIO_KEYBOARDIRQ, 0xffffffff);
 263         keyboard->set_context_int_line(display, SIG_FM7_SUB_KEY_FIRQ, 0xffffffff);
 264 #if defined(_FM77AV_VARIANTS)
 265         keyboard->set_context_beep(keyboard_beep);
 266 #endif
 267         keyboard->set_context_rxrdy(display, SIG_FM7KEY_RXRDY, 0x01);
 268         keyboard->set_context_key_ack(display, SIG_FM7KEY_ACK, 0x01);
 269         keyboard->set_context_ins_led( led_terminate, SIG_DUMMYDEVICE_BIT0, 0xffffffff);
 270         keyboard->set_context_caps_led(led_terminate, SIG_DUMMYDEVICE_BIT1, 0xffffffff);
 271         keyboard->set_context_kana_led(led_terminate, SIG_DUMMYDEVICE_BIT2, 0xffffffff);
 272
 273         drec->set_context_ear(mainio, FM7_MAINIO_CMT_RECV, 0xffffffff);
 274         //drec->set_context_remote(mainio, FM7_MAINIO_CMT_REMOTE, 0xffffffff);
 275         mainio->set_context_datarec(drec);
 276         mainmem->set_context_mainio(mainio);
 277         mainmem->set_context_display(display);
 278         mainmem->set_context_maincpu(maincpu);
 279 #if defined(CAPABLE_DICTROM)
 280         mainmem->set_context_kanjirom_class1(kanjiclass1);
 281 #endif
 282         display->set_context_mainio(mainio);
 283         display->set_context_subcpu(subcpu);
 284         display->set_context_keyboard(keyboard);
 285         subcpu->set_context_bus_halt(display, SIG_FM7_SUB_HALT, 0xffffffff);
 286         subcpu->set_context_bus_halt(mainmem, SIG_FM7_SUB_HALT, 0xffffffff);
 287
 288 #if defined(_FM77_VARIANTS) || defined(_FM77AV_VARIANTS)
 289         display->set_context_kanjiclass1(kanjiclass1);
 290 #endif
 291 #if defined(CAPABLE_KANJI_CLASS2)
 292         display->set_context_kanjiclass2(kanjiclass2);
 293 #endif
 294 #if defined(_FM77AV_VARIANTS)
 295         display->set_context_alu(alu);
 296         alu->set_context_memory(display);
 297 #endif
 298         // Palette, VSYNC, HSYNC, Multi-page, display mode.
 299         mainio->set_context_display(display);
 300
 301         //FDC
 302         mainio->set_context_fdc(fdc);
 303         fdc->set_context_irq(mainio, FM7_MAINIO_FDC_IRQ, 0x1);
 304         fdc->set_context_drq(mainio, FM7_MAINIO_FDC_DRQ, 0x1);
 305         // SOUND
 306         mainio->set_context_beep(pcm1bit);
 307 #if defined(_FM8)
 308         mainio->set_context_psg(psg);
 309 #else
 310 # if !defined(_FM77AV_VARIANTS)
 311         mainio->set_context_psg(psg);
 312 # endif
 313         opn[0]->set_context_irq(mainio, FM7_MAINIO_OPN_IRQ, 0xffffffff);
 314         mainio->set_context_opn(opn[0], 0);
 315         //joystick->set_context_opn(opn[0]);
 316         mainio->set_context_joystick(joystick);
 317         opn[0]->set_context_port_b(joystick, FM7_JOYSTICK_MOUSE_STROBE, 0xff, 0);
 318
 319         opn[1]->set_context_irq(mainio, FM7_MAINIO_WHG_IRQ, 0xffffffff);
 320         mainio->set_context_opn(opn[1], 1);
 321         opn[2]->set_context_irq(mainio, FM7_MAINIO_THG_IRQ, 0xffffffff);
 322         mainio->set_context_opn(opn[2], 2);
 323 #endif
 324         subcpu->set_context_bus_halt(display, SIG_FM7_SUB_HALT, 0xffffffff);
 325         subcpu->set_context_bus_clr(display, SIG_FM7_SUB_USE_CLR, 0x0000000f);
 326
 327         event->register_frame_event(joystick);
 328 #if defined(HAS_DMA)
 329         dmac->set_context_src(fdc, 0);
 330         dmac->set_context_dst(mainmem, 0);
 331         dmac->set_context_int_line(mainio, 0, FM7_MAINIO_DMA_INT, 0xffffffff);
 332         dmac->set_context_drq_line(maincpu, 1, SIG_CPU_BUSREQ, 0xffffffff);
 333         mainio->set_context_dmac(dmac);
 334 #endif
 335         for(DEVICE* device = first_device; device; device = device->next_device) {
 336                 device->initialize();
 337         }
 338         for(int i = 0; i < 2; i++) {
 339 #if defined(_FM77AV20) || defined(_FM77AV40SX) || defined(_FM77AV40EX) || defined(_FM77AV40SX)
 340                 fdc->set_drive_type(i, DRIVE_TYPE_2DD);
 341 #else
 342                 fdc->set_drive_type(i, DRIVE_TYPE_2D);
 343 #endif
 344 #if defined(_FM77AV_VARIANTS)
 345                 fdc->set_drive_rpm(i, 360);
 346 #else
 347                 fdc->set_drive_rpm(i, 360);
 348 #endif
 349                 fdc->set_drive_mfm(i, true);
 350         }
 351 #if defined(_FM77) || defined(_FM77L4)
 352         for(int i = 2; i < 4; i++) {
 353                 fdc->set_drive_type(i, DRIVE_TYPE_2HD);
 354                 fdc->set_drive_rpm(i, 360);
 355                 fdc->set_drive_mfm(i, true);
 356         }
 357 #endif
 358
 359 }
 360
 361 void VM::update_config()
 362 {
 363         uint32 vol1, vol2, tmpv;
 364         int ii, i_limit;
 365
 366 #if defined(SIG_YM2203_LVOLUME) && defined(SIG_YM2203_RVOLUME)
 367 # if defined(USE_MULTIPLE_SOUNDCARDS)
 368         i_limit = USE_MULTIPLE_SOUNDCARDS - 1;
 369 # else
 370 #  if !defined(_FM77AV_VARIANTS) && !defined(_FM8)
 371         i_limit = 4;
 372 #  elif defined(_FM8)
 373         i_limit = 1; // PSG Only
 374 #  else
 375         i_limit = 3;
 376 #  endif
 377 # endif
 378
 379         for(ii = 0; ii < i_limit; ii++) {
 380                 if(config.multiple_speakers) { //
 381 # if defined(USE_MULTIPLE_SOUNDCARDS)
 382                         vol1 = (config.sound_device_level[ii] + 32768) >> 8;
 383 # else
 384                         vol1 = 256;
 385 # endif //
 386                         vol2 = vol1 >> 2;
 387                 } else {
 388 # if defined(USE_MULTIPLE_SOUNDCARDS)
 389                         vol1 = vol2 = (config.sound_device_level[ii] + 32768) >> 8;
 390 # else
 391                         vol1 = vol2 = 256;
 392 # endif
 393                 }
 394                 switch(ii) {
 395                 case 0: // OPN
 396                         break;
 397                 case 1: // WHG
 398                         tmpv = vol1;
 399                         vol1 = vol2;
 400                         vol2 = tmpv;
 401                         break;
 402                 case 2: // THG
 403                 case 3: // PSG
 404                         vol2 = vol1;
 405                         break;
 406                 default:
 407                         break;
 408                 }
 409 #if defined(_FM8)
 410                 psg->write_signal(SIG_YM2203_LVOLUME, vol1, 0xffffffff); // OPN: LEFT
 411                 psg->write_signal(SIG_YM2203_RVOLUME, vol1, 0xffffffff); // OPN: RIGHT
 412 # elif defined(_FM7) || defined(_FMNEW7) || defined(_FM77_VARIANTS)
 413                 if(ii < 3) {
 414                         opn[ii]->write_signal(SIG_YM2203_LVOLUME, vol1, 0xffffffff); // OPN: LEFT
 415                         opn[ii]->write_signal(SIG_YM2203_RVOLUME, vol2, 0xffffffff); // OPN: RIGHT
 416                 } else {
 417                         psg->write_signal(SIG_YM2203_LVOLUME, vol1, 0xffffffff); // OPN: LEFT
 418                         psg->write_signal(SIG_YM2203_RVOLUME, vol2, 0xffffffff); // OPN: RIGHT
 419                 }
 420 # else // FM77AV
 421                 if(ii < 3) {
 422                         opn[ii]->write_signal(SIG_YM2203_LVOLUME, vol1, 0xffffffff); // OPN: LEFT
 423                         opn[ii]->write_signal(SIG_YM2203_RVOLUME, vol2, 0xffffffff); // OPN: RIGHT
 424                 }
 425 # endif
 426         }
 427 #endif
 428 #if defined(USE_MULTIPLE_SOUNDCARDS) && defined(DATAREC_SOUND)
 429         drec->write_signal(SIG_DATAREC_VOLUME, (config.sound_device_level[USE_MULTIPLE_SOUNDCARDS - 1] + 32768) >> 3, 0xffffffff);
 430 #endif
 431         for(DEVICE* device = first_device; device; device = device->next_device) {
 432                 device->update_config();
 433         }
 434         //update_dipswitch();
 435 }
 436
 437 void VM::reset()
 438 {
 439         // reset all devices
 440         for(DEVICE* device = first_device; device; device = device->next_device) {
 441                 device->reset();
 442         }
 443         //subcpu->reset();
 444         //maincpu->reset();
 445
 446 #if defined(_FM8)
 447         psg->SetReg(0x27, 0); // stop timer
 448         psg->SetReg(0x2e, 0);   // set prescaler
 449         psg->write_signal(SIG_YM2203_MUTE, 0x00, 0x01); // Okay?
 450 #else
 451         opn[0]->SetReg(0x2e, 0);        // set prescaler
 452         opn[1]->SetReg(0x2e, 0);        // set prescaler
 453         opn[2]->SetReg(0x2e, 0);        // set prescaler
 454         // Init OPN/PSG.
 455         // Parameters from XM7.
 456         opn[0]->write_signal(SIG_YM2203_MUTE, 0x00, 0x01); // Okay?
 457         opn[1]->write_signal(SIG_YM2203_MUTE, 0x00, 0x01); // Okay?
 458         opn[2]->write_signal(SIG_YM2203_MUTE, 0x00, 0x01); // Okay?
 459 # if !defined(_FM77AV_VARIANTS)
 460         psg->SetReg(0x27, 0); // stop timer
 461         psg->SetReg(0x2e, 0);   // set prescaler
 462         psg->write_signal(SIG_YM2203_MUTE, 0x00, 0x01); // Okay?
 463 # endif
 464 #endif
 465 }
 466
 467 void VM::special_reset()
 468 {
 469         // BREAK + RESET
 470         mainio->write_signal(FM7_MAINIO_PUSH_BREAK, 1, 1);
 471         mainio->reset();
 472         mainmem->reset();
 473
 474 #if defined(FM77AV_VARIANTS)
 475         mainio->write_signal(FM7_MAINIO_HOT_RESET, 1, 1);
 476 #endif
 477         display->reset();
 478         subcpu->reset();
 479         mainio->write_signal(FM7_MAINIO_PUSH_BREAK, 1, 1);
 480         maincpu->reset();
 481         event->register_event(mainio, EVENT_UP_BREAK, 10000.0 * 1000.0, false, NULL);
 482 }
 483
 484 void VM::run()
 485 {
 486         event->drive();
 487 }
 488
 489 double VM::frame_rate()
 490 {
 491         return event->frame_rate();
 492 }
 493
 494 #if defined(SUPPORT_DUMMY_DEVICE_LED)
 495 uint32 VM::get_led_status()
 496 {
 497         return led_terminate->read_signal(SIG_DUMMYDEVICE_READWRITE);
 498 }
 499 #endif // SUPPORT_DUMMY_DEVICE_LED
 500
 501
 502 // ----------------------------------------------------------------------------
 503 // debugger
 504 // ----------------------------------------------------------------------------
 505
 506 #ifdef USE_DEBUGGER
 507 DEVICE *VM::get_cpu(int index)
 508 {
 509         if(index == 0) {
 510                 return maincpu;
 511         } else if(index == 1) {
 512                 return subcpu;
 513         }
 514 #if defined(_WITH_Z80)
 515         else if(index == 2) {
 516                 return z80cpu;
 517         }
 518 #endif
 519         return NULL;
 520 }
 521 #endif
 522
 523 // ----------------------------------------------------------------------------
 524 // draw screen
 525 // ----------------------------------------------------------------------------
 526
 527 void VM::draw_screen()
 528 {
 529         display->draw_screen();
 530 }
 531
 532 int VM::access_lamp()
 533 {
 534         uint32 status = fdc->read_signal(0);
 535         return (status & (1 | 4)) ? 1 : (status & (2 | 8)) ? 2 : 0;
 536 }
 537
 538 void VM::initialize_sound(int rate, int samples)
 539 {
 540         // init sound manager
 541         event->initialize_sound(rate, samples);
 542         // init sound gen
 543 #if defined(_FM8)
 544         psg->init(rate, (int)(4.9152 * 1000.0 * 1000.0 / 4.0), samples, 0, 0);
 545 #else
 546         opn[0]->init(rate, (int)(4.9152 * 1000.0 * 1000.0 / 4.0), samples, 0, 0);
 547         opn[1]->init(rate, (int)(4.9152 * 1000.0 * 1000.0 / 4.0), samples, 0, 0);
 548         opn[2]->init(rate, (int)(4.9152 * 1000.0 * 1000.0 / 4.0), samples, 0, 0);
 549 # if !defined(_FM77AV_VARIANTS)
 550         psg->init(rate, (int)(4.9152 * 1000.0 * 1000.0 / 4.0), samples, 0, 0);
 551 # endif
 552 # if defined(_FM77AV_VARIANTS)
 553         keyboard_beep->init(rate, 2400.0, 512);
 554 # endif
 555 #endif
 556         pcm1bit->init(rate, 2000);
 557         //drec->init_pcm(rate, 0);
 558 }
 559
 560 uint16* VM::create_sound(int* extra_frames)
 561 {
 562         uint16* p = event->create_sound(extra_frames);
 563         return p;
 564 }
 565
 566 int VM::sound_buffer_ptr()
 567 {
 568         int pos = event->sound_buffer_ptr();
 569         return pos;
 570 }
 571
 572 // ----------------------------------------------------------------------------
 573 // notify key
 574 // ----------------------------------------------------------------------------
 575
 576 void VM::key_down(int code, bool repeat)
 577 {
 578         if(!repeat) {
 579                 keyboard->key_down(code);
 580         }
 581 }
 582
 583 void VM::key_up(int code)
 584 {
 585         keyboard->key_up(code);
 586 }
 587
 588 // ----------------------------------------------------------------------------
 589 // user interface
 590 // ----------------------------------------------------------------------------
 591
 592 void VM::open_disk(int drv, const _TCHAR* file_path, int bank)
 593 {
 594         fdc->open_disk(drv, file_path, bank);
 595 }
 596
 597 void VM::close_disk(int drv)
 598 {
 599         fdc->close_disk(drv);
 600 }
 601
 602 bool VM::disk_inserted(int drv)
 603 {
 604         return fdc->disk_inserted(drv);
 605 }
 606
 607 void VM::set_disk_protected(int drv, bool value)
 608 {
 609         fdc->set_disk_protected(drv, value);
 610 }
 611
 612 bool VM::get_disk_protected(int drv)
 613 {
 614         return fdc->get_disk_protected(drv);
 615 }
 616
 617 void VM::play_tape(const _TCHAR* file_path)
 618 {
 619         drec->play_tape(file_path);
 620 }
 621
 622 void VM::rec_tape(const _TCHAR* file_path)
 623 {
 624         drec->rec_tape(file_path);
 625 }
 626
 627 void VM::close_tape()
 628 {
 629         drec->close_tape();
 630 }
 631
 632 bool VM::tape_inserted()
 633 {
 634         return drec->tape_inserted();
 635 }
 636
 637 bool VM::tape_playing()
 638 {
 639         return drec->tape_playing();
 640 }
 641
 642 bool VM::tape_recording()
 643 {
 644         return drec->tape_recording();
 645 }
 646
 647 int VM::tape_position()
 648 {
 649         return drec->tape_position();
 650 }
 651
 652 void VM::push_play()
 653 {
 654         drec->set_ff_rew(0);
 655         drec->set_remote(true);
 656 }
 657
 658
 659 void VM::push_stop()
 660 {
 661         drec->set_remote(false);
 662 }
 663
 664 void VM::push_fast_forward()
 665 {
 666         drec->set_ff_rew(1);
 667         drec->set_remote(true);
 668 }
 669
 670 void VM::push_fast_rewind()
 671 {
 672         drec->set_ff_rew(-1);
 673         drec->set_remote(true);
 674 }
 675
 676 void VM::push_apss_forward()
 677 {
 678         drec->do_apss(1);
 679 }
 680
 681 void VM::push_apss_rewind()
 682 {
 683         drec->do_apss(-1);
 684 }
 685
 686 bool VM::now_skip()
 687 {
 688         return event->now_skip();
 689 }
 690
 691 void VM::update_dipswitch()
 692 {
 693         // bit0         0=High 1=Standard
 694         // bit2         0=5"2D 1=5"2HD
 695   //    io->set_iovalue_single_r(0x1ff0, (config.monitor_type & 1) | ((config.drive_type & 1) << 2));
 696 }
 697
 698 void VM::set_cpu_clock(DEVICE *cpu, uint32 clocks) {
 699         event->set_secondary_cpu_clock(cpu, clocks);
 700 }
 701
 702 #define STATE_VERSION   2
 703 void VM::save_state(FILEIO* state_fio)
 704 {
 705         state_fio->FputUint32_BE(STATE_VERSION);
 706
 707         for(DEVICE* device = first_device; device; device = device->next_device) {
 708                 device->save_state(state_fio);
 709         }
 710         { // V1
 711                 state_fio->FputBool(clock_low);
 712         }
 713 }
 714
 715 bool VM::load_state(FILEIO* state_fio)
 716 {
 717         uint32 version = state_fio->FgetUint32_BE();
 718         int i = 1;
 719         if(version > STATE_VERSION) {
 720                 return false;
 721         }
 722         for(DEVICE* device = first_device; device; device = device->next_device) {
 723                 if(!device->load_state(state_fio)) {
 724                         printf("Load Error: DEVID=%d\n", device->this_device_id);
 725                         return false;
 726                 }
 727         }
 728         if(version >= 1) {// V1
 729                 clock_low   = state_fio->FgetBool();
 730                 if(version == 2) return true;
 731         }
 732         return false;
 733 }
 734
 735 #ifdef USE_DIG_RESOLUTION
 736 void VM::get_screen_resolution(int *w, int *h)
 737 {
 738         switch(display->get_screen_mode()) {
 739         case DISPLAY_MODE_8_200L:
 740         case DISPLAY_MODE_8_200L_TEXT:
 741                 *w = 640;
 742                 *h = 200;
 743                 break;
 744         case DISPLAY_MODE_8_400L:
 745         case DISPLAY_MODE_8_400L_TEXT:
 746                 *w = 640;
 747                 *h = 400;
 748                 break;
 749         case DISPLAY_MODE_4096:
 750         case DISPLAY_MODE_256k:
 751                 *w = 320;
 752                 *h = 200;
 753                 break;
 754         default:
 755                 *w = 640;
 756                 *h = 200;
 757                 break;
 758         }
 759 }
 760 #endif
 761
 762 bool VM::screen_changed()
 763 {
 764         bool f = true;
 765 #if defined(USE_MINIMUM_RENDERING)
 766         f = display->screen_update();
 767         display->reset_screen_update();
 768 #endif
 769         return f;
 770 }