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 #include "../noise.h"
  27
  28 #include "../pcm1bit.h"
  29 #include "../ym2203.h"
  30 #include "../ay_3_891x.h"
  31 #include "../and.h"
  32 #include "../or.h"
  33 #include "../i8251.h"
  34
  35 #if defined(_FM77AV_VARIANTS)
  36 #include "mb61vh010.h"
  37 #include "../beep.h"
  38 #endif
  39 #if defined(HAS_DMA)
  40 #include "hd6844.h"
  41 #endif
  42 #if defined(_FM8)
  43 #include "./bubblecasette.h"
  44 #endif
  45 #if defined(_FM8)
  46 #include "./fm8_mainio.h"
  47 #else
  48 #include "./fm7_mainio.h"
  49 #endif
  50 #include "./fm7_mainmem.h"
  51 #include "./fm7_display.h"
  52 #include "./fm7_keyboard.h"
  53 #include "./joystick.h"
  54
  55 #include "./kanjirom.h"
  56 #if defined(CAPABLE_JCOMMCARD)
  57 #include "./jcommcard.h"
  58 #endif
  59
  60 VM::VM(EMU* parent_emu): emu(parent_emu)
  61 {
  62
  63         first_device = last_device = NULL;
  64 #if defined(_FM8)
  65         psg = NULL;
  66 #else
  67 # if defined(_FM77AV_VARIANTS)
  68         opn[0] = opn[1] = opn[2] = NULL;
  69 # else
  70         opn[0] = opn[1] = opn[2] = NULL;
  71         psg = NULL;
  72 # endif
  73 #endif
  74         for(int i = 0; i < 3; i++) uart[i] = NULL;
  75
  76         dummy = new DEVICE(this, emu);  // must be 1st device
  77         event = new EVENT(this, emu);   // must be 2nd device
  78
  79         maincpu = new MC6809(this, emu);
  80         subcpu = new MC6809(this, emu);
  81         g_substat_display = new AND(this, emu);
  82         g_substat_mainhalt = new AND(this, emu);
  83
  84
  85 #ifdef WITH_Z80
  86         if((config.dipswitch & FM7_DIPSW_Z80CARD_ON) != 0) {
  87                 z80cpu = new Z80(this, emu);
  88         } else {
  89                 z80cpu = NULL;
  90         }
  91         g_mainstat = new AND(this, emu);
  92         g_intr = new OR(this, emu);
  93
  94         g_intr_irq = new AND(this, emu);
  95         g_intr_firq = new AND(this, emu);
  96         g_nmi = new AND(this, emu);
  97 #endif
  98 #if defined(CAPABLE_JCOMMCARD)
  99         if((config.dipswitch & FM7_DIPSW_JSUBCARD_ON) != 0) {
 100                 jsubcpu = new MC6809(this, emu);
 101                 jcommcard = new FM7_JCOMMCARD(this, emu);
 102                 g_jsubhalt = new AND(this, emu);
 103         } else {
 104                 jsubcpu = NULL;
 105                 jcommcard = NULL;
 106                 g_jsubhalt = NULL;
 107         }
 108 #endif
 109 # if defined(_FM77AV40) || defined(_FM77AV40SX) || defined(_FM77AV40EX) || defined(_FM77AV20) || defined(_FM77AV20EX)
 110         uart[0] = new I8251(this, emu);
 111 # else
 112 #  if defined(CAPABLE_JCOMMCARD)
 113         if((config.dipswitch & FM7_DIPSW_JSUBCARD_ON) != 0) uart[0] = new I8251(this, emu);
 114 #  endif
 115         if(((config.dipswitch & FM7_DIPSW_RS232C_ON) != 0) && (uart[0] == NULL)) uart[0] = new I8251(this, emu);
 116 # endif
 117         if((config.dipswitch & FM7_DIPSW_MODEM_ON) != 0) uart[1] = new I8251(this, emu);
 118         if((config.dipswitch & FM7_DIPSW_MIDI_ON) != 0) uart[2] = new I8251(this, emu);
 119
 120
 121         // basic devices
 122         // I/Os
 123 #if defined(HAS_DMA)
 124         dmac = new HD6844(this, emu);
 125 #endif
 126 #if defined(_FM8)
 127 #  if defined(USE_AY_3_8910_AS_PSG)
 128         psg = new AY_3_891X(this, emu);
 129 #  else
 130         psg = new YM2203(this, emu);
 131 #  endif
 132 #else
 133         opn[0] = new YM2203(this, emu); // OPN
 134         opn[1] = new YM2203(this, emu); // WHG
 135         opn[2] = new YM2203(this, emu); // THG
 136 # if !defined(_FM77AV_VARIANTS)
 137 #  if defined(USE_AY_3_8910_AS_PSG)
 138         psg = new AY_3_891X(this, emu);
 139 #  else
 140         psg = new YM2203(this, emu);
 141 #  endif
 142 # endif
 143 #endif
 144 #if defined(_FM8)
 145         for(int i = 0; i < 2; i++) bubble_casette[i] = new BUBBLECASETTE(this, emu);
 146 #endif
 147         drec = NULL;
 148         drec = new DATAREC(this, emu);
 149         drec->set_context_noise_play(new NOISE(this, emu));
 150         drec->set_context_noise_stop(new NOISE(this, emu));
 151         drec->set_context_noise_fast(new NOISE(this, emu));
 152         pcm1bit = new PCM1BIT(this, emu);
 153
 154         connect_320kfdc = connect_1Mfdc = false;
 155         fdc = NULL;
 156 #if defined(_FM8) || defined(_FM7) || defined(_FMNEW7)
 157         if(((config.dipswitch & FM7_DIPSW_CONNECT_320KFDC) != 0) ||
 158            ((config.dipswitch & FM7_DIPSW_CONNECT_1MFDC) != 0)) {
 159 #endif
 160                 fdc = new MB8877(this, emu);
 161                 fdc->set_context_noise_seek(new NOISE(this, emu));
 162                 fdc->set_context_noise_head_down(new NOISE(this, emu));
 163                 fdc->set_context_noise_head_up(new NOISE(this, emu));
 164 #if defined(_FM8) || defined(_FM7) || defined(_FMNEW7)
 165                 if((config.dipswitch & FM7_DIPSW_CONNECT_320KFDC) != 0) {
 166                         connect_320kfdc = true;
 167                 }
 168                 if((config.dipswitch & FM7_DIPSW_CONNECT_1MFDC) != 0) {
 169                         connect_1Mfdc = true;
 170                 }
 171 #elif defined(_FM77_VARIANTS)
 172                 connect_320kfdc = true;
 173                 if((config.dipswitch & FM7_DIPSW_CONNECT_1MFDC) != 0) {
 174                         connect_1Mfdc = true;
 175                 }
 176 #else   // AV or later.
 177                 connect_320kfdc = true;
 178                 // 1MFDD??
 179 #endif
 180 #if defined(_FM8) || defined(_FM7) || defined(_FMNEW7)
 181         }
 182 #endif
 183         joystick  = new JOYSTICK(this, emu);
 184         printer = new PRNFILE(this, emu);
 185 #if defined(_FM77AV_VARIANTS)
 186         alu = new MB61VH010(this, emu);
 187         keyboard_beep = new BEEP(this, emu);
 188 #endif
 189         keyboard = new KEYBOARD(this, emu);
 190         display = new DISPLAY(this, emu);
 191 #if defined(_FM8)
 192         mainio  = new FM8_MAINIO(this, emu);
 193 #else
 194         mainio  = new FM7_MAINIO(this, emu);
 195 #endif
 196         mainmem = new FM7_MAINMEM(this, emu);
 197
 198 #if defined(_FM8) || defined(_FM7) || defined(_FMNEW7)
 199         if((config.dipswitch & FM7_DIPSW_CONNECT_KANJIROM) != 0) {
 200                 kanjiclass1 = new KANJIROM(this, emu, false);
 201         } else {
 202                 kanjiclass1 = NULL;
 203         }
 204 #else
 205         kanjiclass1 = new KANJIROM(this, emu, false);
 206 #endif
 207 #ifdef CAPABLE_KANJI_CLASS2
 208         kanjiclass2 = new KANJIROM(this, emu, true);
 209 #endif
 210
 211 # if defined(_FM77AV20) || defined(_FM77AV40) || defined(_FM77AV20EX) || defined(_FM77AV40EX) || defined(_FM77AV40SX)
 212         g_rs232c_dtr = new AND(this, emu);
 213         g_rs232c_dtr->set_mask(SIG_AND_BIT_0);
 214         g_rs232c_dtr->set_mask(SIG_AND_BIT_1);
 215
 216         // DCD
 217 #endif
 218 #ifdef WITH_Z80
 219         g_mainstat->set_mask(SIG_AND_BIT_0);
 220         g_mainstat->set_mask(SIG_AND_BIT_1);
 221         maincpu->set_context_bus_ba(g_mainstat, SIG_AND_BIT_0, 0xffffffff);
 222         maincpu->set_context_bus_bs(g_mainstat, SIG_AND_BIT_1, 0xffffffff);
 223         g_mainstat->set_context_out(mainio, FM7_MAINIO_RUN_Z80, 0xffffffff);
 224
 225         if(z80cpu != NULL) {
 226                 z80cpu->set_context_busack(mainio, FM7_MAINIO_RUN_6809, 0xffffffff);
 227                 mainio->set_context_z80cpu(z80cpu);
 228         }
 229 #endif
 230 #if defined(_USE_QT)
 231         event->set_device_name(_T("EVENT"));
 232         dummy->set_device_name(_T("1st Dummy"));
 233
 234         maincpu->set_device_name(_T("MAINCPU(MC6809B)"));
 235         subcpu->set_device_name(_T("SUBCPU(MC6809B)"));
 236 #if defined(CAPABLE_JCOMMCARD)
 237         if(jsubcpu != NULL) {
 238                 jsubcpu->set_device_name(_T("J.COMM BOARD CPU(MC6809)"));
 239         }
 240         if(jcommcard != NULL) {
 241                 jcommcard->set_device_name(_T("Japanese COMM BOARD"));
 242         }
 243         if(g_jsubhalt != NULL) {
 244                 g_jsubhalt->set_device_name(_T("J.COMM BOARD HALT(MC6809)"));
 245         }
 246 # ifdef WITH_Z80
 247         if(z80cpu != NULL) z80cpu->set_device_name(_T("Z80 CPU BOARD"));
 248 # endif
 249         if(fdc != NULL) fdc->set_device_name(_T("MB8877 FDC(320KB)"));
 250
 251         if(uart[0] != NULL) {
 252                 uart[0]->set_device_name(_T("RS-232C BOARD(I8251 SIO)"));
 253         }
 254 # if defined(CAPABLE_JCOMMCARD)
 255         if((config.dipswitch & FM7_DIPSW_JSUBCARD_ON) != 0) {
 256                 if(uart[0] != NULL) uart[0]->set_device_name(_T("J.COMM BOARD RS-232C(I8251 SIO)"));
 257         }
 258 # elif defined(_FM77AV20) || defined(_FM77AV40) || defined(_FM77AV20EX) || defined(_FM77AV40EX) || defined(_FM77AV40SX)
 259         if(uart[0] != NULL) uart[0]->set_device_name(_T("RS-232C(I8251 SIO)"));
 260 # endif
 261
 262         if(uart[1] != NULL) {
 263                 uart[1]->set_device_name(_T("MODEM BOARD(I8251 SIO)"));
 264         }
 265         if(uart[2] != NULL) {
 266                 uart[2]->set_device_name(_T("MIDI BOARD(I8251 SIO)"));
 267         }
 268
 269         // basic devices
 270         // I/Os
 271 # if defined(_FM8)
 272         psg->set_device_name(_T("AY-3-8910 PSG"));
 273 # else
 274         opn[0]->set_device_name(_T("YM2203 OPN"));
 275         opn[1]->set_device_name(_T("YM2203 WHG"));
 276         opn[2]->set_device_name(_T("YM2203 THG"));
 277 #  if !defined(_FM77AV_VARIANTS)
 278         psg->set_device_name(_T("AY-3-8910 PSG"));
 279 #  endif
 280 # endif
 281         pcm1bit->set_device_name(_T("BEEP"));
 282         printer->set_device_name(_T("PRINTER I/F"));
 283 # if defined(_FM77AV_VARIANTS)
 284         keyboard_beep->set_device_name(_T("BEEP(KEYBOARD)"));
 285 # endif
 286         if(kanjiclass1 != NULL) kanjiclass1->set_device_name(_T("KANJI ROM CLASS1"));
 287 # ifdef CAPABLE_KANJI_CLASS2
 288         if(kanjiclass2 != NULL) kanjiclass2->set_device_name(_T("KANJI ROM CLASS2"));
 289 # endif
 290 # if defined(_FM8)
 291         bubble_casette[0]->set_device_name(_T("BUBBLE CASETTE #0"));
 292         bubble_casette[1]->set_device_name(_T("BUBBLE CASETTE #1"));
 293 # endif
 294 #endif
 295 # if defined(_FM77AV20) || defined(_FM77AV40) || defined(_FM77AV20EX) || defined(_FM77AV40EX) || defined(_FM77AV40SX)
 296         g_rs232c_dtr->set_device_name(_T("RS232C DTR(AND)"));
 297 #endif
 298 #ifdef WITH_Z80
 299         g_intr->set_device_name(_T("Z80 INTR(OR)"));
 300         g_mainstat->set_device_name(_T("Z80 HALT/RUN(AND)"));
 301         g_intr_irq->set_device_name(_T("Z80 IRQ(AND)"));
 302         g_intr_firq->set_device_name(_T("Z80 FIRQ(AND)"));
 303         g_nmi->set_device_name(_T("Z80 NMI(AND)"));
 304 #endif
 305         g_substat_display->set_device_name(_T("DISPLAY STATUS(AND)"));
 306         g_substat_mainhalt->set_device_name(_T("SUBSYSTEM HALT STATUS(AND)"));
 307 #endif
 308         this->connect_bus();
 309
 310 }
 311
 312 VM::~VM()
 313 {
 314         // delete all devices
 315         for(DEVICE* device = first_device; device;) {
 316                 DEVICE *next_device = device->next_device;
 317                 device->release();
 318                 delete device;
 319                 device = next_device;
 320         }
 321 }
 322
 323 DEVICE* VM::get_device(int id)
 324 {
 325         for(DEVICE* device = first_device; device; device = device->next_device) {
 326                 if(device->this_device_id == id) {
 327                         return device;
 328                 }
 329         }
 330         return NULL;
 331 }
 332
 333 void VM::connect_bus(void)
 334 {
 335         uint32_t mainclock;
 336         uint32_t subclock;
 337
 338         /*
 339          * CLASS CONSTRUCTION
 340          *
 341          * VM
 342          *  |-> MAINCPU -> MAINMEM -> MAINIO -> MAIN DEVICES
 343          *  |             |        |
 344          *  | -> SUBCPU  -> SUBMEM  -> SUBIO -> SUB DEVICES
 345          *  | -> DISPLAY
 346          *  | -> KEYBOARD
 347          *
 348          *  MAINMEM can access SUBMEM/IO, when SUBCPU is halted.
 349          *  MAINMEM and SUBMEM can access DISPLAY and KEYBOARD with exclusive.
 350          *  MAINCPU can access MAINMEM.
 351          *  SUBCPU  can access SUBMEM.
 352          *  DISPLAY : R/W from MAINCPU and SUBCPU.
 353          *  KEYBOARD : R/W
 354          *
 355          */
 356         //event->set_frames_per_sec(FRAMES_PER_SEC);
 357         event->set_lines_per_frame(LINES_PER_FRAME);
 358 #if defined(_FM8)
 359         mainclock = MAINCLOCK_SLOW;
 360         subclock = SUBCLOCK_SLOW;
 361 #else
 362         if(config.cpu_type == 0) {
 363                 // 2MHz
 364                 subclock = SUBCLOCK_NORMAL;
 365                 mainclock = MAINCLOCK_NORMAL;
 366         } else {
 367                 // 1.2MHz
 368                 mainclock = MAINCLOCK_SLOW;
 369                 subclock = SUBCLOCK_SLOW;
 370         }
 371         //if((config.dipswitch & FM7_DIPSW_CYCLESTEAL) != 0) subclock = subclock / 3;
 372 #endif
 373         event->set_context_cpu(maincpu, mainclock);
 374         event->set_context_cpu(subcpu,  subclock);
 375
 376 #ifdef WITH_Z80
 377         if(z80cpu != NULL) {
 378                 event->set_context_cpu(z80cpu,  4000000);
 379                 z80cpu->write_signal(SIG_CPU_BUSREQ, 1, 1);
 380         }
 381         maincpu->write_signal(SIG_CPU_HALTREQ, 0, 1);
 382
 383         g_intr_irq->set_mask(SIG_AND_BIT_0);
 384         g_intr_irq->set_mask(SIG_AND_BIT_1);
 385
 386         g_intr_firq->set_mask(SIG_AND_BIT_0);
 387         g_intr_firq->set_mask(SIG_AND_BIT_1);
 388
 389         g_nmi->set_mask(SIG_AND_BIT_0);
 390         g_nmi->set_mask(SIG_AND_BIT_1);
 391
 392         mainio->set_context_irq(g_intr_irq, SIG_AND_BIT_1, 0xffffffff);
 393         g_intr_irq->set_context_out(g_intr, SIG_OR_BIT_0, 0xffffffff);
 394
 395         mainio->set_context_firq(g_intr_firq, SIG_AND_BIT_1, 0xffffffff);
 396         g_intr_firq->set_context_out(g_intr, SIG_OR_BIT_0, 0xffffffff);
 397
 398         if(z80cpu != NULL) g_intr->set_context_out(z80cpu, SIG_CPU_IRQ, 0xffffffff);
 399
 400         mainio->set_context_nmi(g_nmi, SIG_AND_BIT_1, 0xffffffff);
 401         if(z80cpu != NULL) g_nmi->set_context_out(z80cpu, SIG_CPU_NMI, 0xffffffff);
 402 #endif
 403 #if defined(CAPABLE_JCOMMCARD)
 404         if((jsubcpu != NULL) && (jcommcard != NULL)) {
 405                 event->set_context_cpu(jsubcpu,  JCOMMCARD_CLOCK);
 406                 jcommcard->set_context_cpu(jsubcpu);
 407                 if(g_jsubhalt != NULL) {
 408                         g_jsubhalt->set_mask(SIG_AND_BIT_0);
 409                         g_jsubhalt->set_mask(SIG_AND_BIT_1);
 410
 411                         jsubcpu->set_context_bus_ba(g_jsubhalt, SIG_AND_BIT_0, 0xffffffff);
 412                         jsubcpu->set_context_bus_bs(g_jsubhalt, SIG_AND_BIT_1, 0xffffffff);
 413                         g_jsubhalt->set_context_out(jcommcard, FM7_JCOMMCARD_BUS_HALT, 0xffffffff);
 414                         mainio->set_context_jcommcard(jcommcard);
 415                 }
 416         }
 417 #endif
 418         event->set_context_sound(pcm1bit);
 419 #if defined(_FM8)
 420         event->set_context_sound(psg);
 421         if(drec != NULL) event->set_context_sound(drec);
 422 #else
 423         event->set_context_sound(opn[0]);
 424         event->set_context_sound(opn[1]);
 425         event->set_context_sound(opn[2]);
 426 # if !defined(_FM77AV_VARIANTS)
 427         event->set_context_sound(psg);
 428 # endif
 429         event->set_context_sound(drec);
 430         if(fdc != NULL) {
 431                 event->set_context_sound(fdc->get_context_noise_seek());
 432                 event->set_context_sound(fdc->get_context_noise_head_down());
 433                 event->set_context_sound(fdc->get_context_noise_head_up());
 434         }
 435         if(drec != NULL) {
 436                 event->set_context_sound(drec->get_context_noise_play());
 437                 event->set_context_sound(drec->get_context_noise_stop());
 438                 event->set_context_sound(drec->get_context_noise_fast());
 439         }
 440 # if defined(_FM77AV_VARIANTS)
 441         event->set_context_sound(keyboard_beep);
 442 # endif
 443 #endif
 444 #if !defined(_FM77AV_VARIANTS) && !defined(_FM77L4)
 445         event->register_vline_event(display);
 446         event->register_frame_event(display);
 447 #endif
 448         mainio->set_context_maincpu(maincpu);
 449         mainio->set_context_subcpu(subcpu);
 450
 451         mainio->set_context_display(display);
 452         mainio->set_context_irq(maincpu, SIG_CPU_IRQ, 0xffffffff);
 453         mainio->set_context_firq(maincpu, SIG_CPU_FIRQ, 0xffffffff);
 454         mainio->set_context_nmi(maincpu, SIG_CPU_NMI, 0xffffffff);
 455 #if defined(_FM77AV) || defined(_FM7) || defined(_FMNEW7) || defined(_FM77_VARIANTS)
 456         if((config.dipswitch & FM7_DIPSW_RS232C_ON) != 0)       mainio->set_context_uart(0, uart[0]); /* $FD06- : RS232C */
 457 #else
 458         mainio->set_context_uart(0, uart[0]);
 459 #endif
 460         mainio->set_context_uart(1, uart[1]); /* $FD40- : MODEM */
 461         mainio->set_context_uart(2, uart[2]); /* $FDEA- : MIDI */
 462
 463 #if defined(_FM77AV20) || defined(_FM77AV40) || defined(_FM77AV20EX) || defined(_FM77AV40EX) || defined(_FM77AV40SX)
 464         mainio->set_context_rs232c_dtr(g_rs232c_dtr);
 465         if(uart[0] != NULL) uart[0]->set_context_dtr(g_rs232c_dtr, SIG_AND_BIT_1, 0xffffffff);
 466 #endif
 467         if(uart[0] != NULL) {
 468                 uart[0]->set_context_rxrdy(mainio, FM7_MAINIO_UART0_RXRDY, 0xffffffff);
 469                 uart[0]->set_context_txrdy(mainio, FM7_MAINIO_UART0_TXRDY, 0xffffffff);
 470                 uart[0]->set_context_syndet(mainio, FM7_MAINIO_UART0_SYNDET, 0xffffffff);
 471         }
 472         if(uart[1] != NULL) {
 473                 uart[1]->set_context_rxrdy(mainio, FM7_MAINIO_MODEM_RXRDY, 0xffffffff);
 474                 uart[1]->set_context_txrdy(mainio, FM7_MAINIO_MODEM_TXRDY, 0xffffffff);
 475                 uart[1]->set_context_syndet(mainio, FM7_MAINIO_MODEM_SYNDET, 0xffffffff);
 476         }
 477         if(uart[2] != NULL) {
 478                 uart[2]->set_context_rxrdy(mainio, FM7_MAINIO_MIDI_RXRDY, 0xffffffff);
 479                 uart[2]->set_context_txrdy(mainio, FM7_MAINIO_MIDI_TXRDY, 0xffffffff);
 480                 uart[2]->set_context_syndet(mainio, FM7_MAINIO_MIDI_SYNDET, 0xffffffff);
 481         }
 482
 483 #if defined(_FM8) || defined(_FM7) || defined(_FMNEW7)
 484         if((config.dipswitch & FM7_DIPSW_CONNECT_KANJIROM) != 0) {
 485                 mainio->set_context_kanjirom_class1(kanjiclass1);
 486         }
 487 #else
 488         mainio->set_context_kanjirom_class1(kanjiclass1);
 489 #endif
 490         mainio->set_context_mainmem(mainmem);
 491         mainio->set_context_keyboard(keyboard);
 492         mainio->set_context_printer(printer);
 493         mainio->set_context_printer_reset(printer, SIG_PRINTER_RESET, 0xffffffff);
 494         mainio->set_context_printer_strobe(printer, SIG_PRINTER_STROBE, 0xffffffff);
 495         mainio->set_context_printer_select(printer, SIG_PRINTER_SELECT, 0xffffffff);
 496 #if defined(CAPABLE_KANJI_CLASS2)
 497         mainio->set_context_kanjirom_class2(kanjiclass2);
 498 #endif
 499 #if defined(_FM8)
 500         for(int i = 0; i < 2; i++) mainio->set_context_bubble(bubble_casette[i], i);
 501 #endif
 502         keyboard->set_context_break_line(mainio, FM7_MAINIO_PUSH_BREAK, 0xffffffff);
 503         keyboard->set_context_int_line(mainio, FM7_MAINIO_KEYBOARDIRQ, 0xffffffff);
 504         keyboard->set_context_int_line(display, SIG_FM7_SUB_KEY_FIRQ, 0xffffffff);
 505 #if defined(_FM77AV_VARIANTS)
 506         keyboard->set_context_beep(keyboard_beep);
 507 #endif
 508         keyboard->set_context_rxrdy(display, SIG_FM7KEY_RXRDY, 0x01);
 509         keyboard->set_context_key_ack(display, SIG_FM7KEY_ACK, 0x01);
 510
 511         if(drec != NULL) {
 512                 drec->set_context_ear(mainio, FM7_MAINIO_CMT_RECV, 0xffffffff);
 513                 //drec->set_context_remote(mainio, FM7_MAINIO_CMT_REMOTE, 0xffffffff);
 514                 mainio->set_context_datarec(drec);
 515         }
 516         mainmem->set_context_mainio(mainio);
 517         mainmem->set_context_display(display);
 518         mainmem->set_context_maincpu(maincpu);
 519 #if defined(CAPABLE_DICTROM)
 520         mainmem->set_context_kanjirom_class1(kanjiclass1);
 521 #endif
 522         display->set_context_mainio(mainio);
 523         display->set_context_subcpu(subcpu);
 524         display->set_context_keyboard(keyboard);
 525
 526         mainio->set_context_clock_status(mainmem, FM7_MAINIO_CLOCKMODE, 0xffffffff);
 527         mainio->set_context_clock_status(display, SIG_DISPLAY_CLOCK, 0xffffffff);
 528
 529         g_substat_display->set_mask(SIG_AND_BIT_0);
 530         g_substat_display->set_mask(SIG_AND_BIT_1);
 531         subcpu->set_context_bus_ba(g_substat_display, SIG_AND_BIT_0, 0xffffffff);
 532         subcpu->set_context_bus_bs(g_substat_display, SIG_AND_BIT_1, 0xffffffff);
 533         g_substat_display->set_context_out(display, SIG_FM7_SUB_HALT, 0xffffffff);
 534
 535         g_substat_mainhalt->set_mask(SIG_AND_BIT_0);
 536         g_substat_mainhalt->set_mask(SIG_AND_BIT_1);
 537         subcpu->set_context_bus_ba(g_substat_mainhalt, SIG_AND_BIT_0, 0xffffffff);
 538         subcpu->set_context_bus_bs(g_substat_mainhalt, SIG_AND_BIT_1, 0xffffffff);
 539         g_substat_mainhalt->set_context_out(mainmem, SIG_FM7_SUB_HALT, 0xffffffff);
 540
 541 #if defined(_FM77_VARIANTS) || defined(_FM77AV_VARIANTS)
 542         display->set_context_kanjiclass1(kanjiclass1);
 543 #endif
 544 #if defined(CAPABLE_KANJI_CLASS2)
 545         display->set_context_kanjiclass2(kanjiclass2);
 546 #endif
 547 #if defined(_FM77AV_VARIANTS)
 548         display->set_context_alu(alu);
 549         alu->set_context_memory(display);
 550         alu->set_direct_access_offset(DISPLAY_VRAM_DIRECT_ACCESS);
 551 #endif
 552         // Palette, VSYNC, HSYNC, Multi-page, display mode.
 553         mainio->set_context_display(display);
 554 #if defined(_FM8) || (_FM7) || (_FMNEW7)
 555         if(connect_320kfdc || connect_1Mfdc) {
 556 #endif
 557                 //FDC
 558                 fdc->set_context_irq(mainio, FM7_MAINIO_FDC_IRQ, 0x1);
 559                 fdc->set_context_drq(mainio, FM7_MAINIO_FDC_DRQ, 0x1);
 560                 mainio->set_context_fdc(fdc);
 561 #if defined(_FM8) || (_FM7) || (_FMNEW7)
 562         }
 563 #endif
 564         // SOUND
 565         mainio->set_context_beep(pcm1bit);
 566 #if defined(_FM8)
 567         mainio->set_context_psg(psg);
 568 #else
 569 # if !defined(_FM77AV_VARIANTS)
 570         mainio->set_context_psg(psg);
 571 # endif
 572         opn[0]->set_context_irq(mainio, FM7_MAINIO_OPN_IRQ, 0xffffffff);
 573         mainio->set_context_opn(opn[0], 0);
 574         joystick->set_context_opn(opn[0]);
 575         mainio->set_context_joystick(joystick);
 576         opn[0]->set_context_port_b(joystick, FM7_JOYSTICK_MOUSE_STROBE, 0xff, 0);
 577
 578         opn[1]->set_context_irq(mainio, FM7_MAINIO_WHG_IRQ, 0xffffffff);
 579         mainio->set_context_opn(opn[1], 1);
 580         opn[2]->set_context_irq(mainio, FM7_MAINIO_THG_IRQ, 0xffffffff);
 581         mainio->set_context_opn(opn[2], 2);
 582 #endif
 583         subcpu->set_context_bus_clr(display, SIG_FM7_SUB_USE_CLR, 0x0000000f);
 584
 585         event->register_frame_event(joystick);
 586 #if defined(HAS_DMA)
 587         dmac->set_context_src(fdc, 0);
 588         dmac->set_context_dst(mainmem, 0);
 589         dmac->set_context_int_line(mainio, FM7_MAINIO_DMA_INT, 0xffffffff);
 590         dmac->set_context_busreq_line(maincpu, 1, SIG_CPU_BUSREQ, 0xffffffff);
 591         mainio->set_context_dmac(dmac);
 592 #endif
 593
 594         // MEMORIES must set before initialize().
 595         maincpu->set_context_mem(mainmem);
 596         subcpu->set_context_mem(display);
 597 #ifdef WITH_Z80
 598         if(z80cpu != NULL) z80cpu->set_context_mem(mainmem);
 599 #endif
 600 #if defined(CAPABLE_JCOMMCARD)
 601         if((jsubcpu != NULL) && (jcommcard != NULL)) {
 602                 jsubcpu->set_context_mem(jcommcard);
 603         }
 604 #endif
 605 #ifdef USE_DEBUGGER
 606         maincpu->set_context_debugger(new DEBUGGER(this, emu));
 607         subcpu->set_context_debugger(new DEBUGGER(this, emu));
 608 # ifdef WITH_Z80
 609         if(z80cpu != NULL) z80cpu->set_context_debugger(new DEBUGGER(this, emu));
 610 # endif
 611 # if defined(CAPABLE_JCOMMCARD)
 612         if(jsubcpu != NULL) {
 613                 jsubcpu->set_context_debugger(new DEBUGGER(this, emu));
 614         }
 615 # endif
 616 #endif
 617         for(DEVICE* device = first_device; device; device = device->next_device) {
 618                 device->initialize();
 619         }
 620
 621 #if defined(WITH_Z80)
 622         g_intr_irq->write_signal(SIG_AND_BIT_0, ((config.dipswitch & FM7_DIPSW_Z80_IRQ_ON) != 0) ? 1 : 0, 1);
 623         g_intr_firq->write_signal(SIG_AND_BIT_0, ((config.dipswitch & FM7_DIPSW_Z80_FIRQ_ON) != 0) ? 1 : 0, 1);
 624         g_nmi->write_signal(SIG_AND_BIT_0, ((config.dipswitch & FM7_DIPSW_Z80_NMI_ON) != 0) ? 1 : 0, 1);
 625 #endif
 626         // Disks
 627 #if defined(_FM8) || (_FM7) || (_FMNEW7)
 628         if(connect_320kfdc) {
 629 #endif
 630                 for(int i = 0; i < 4; i++) {
 631 #if defined(_FM77AV20) || defined(_FM77AV20EX) || \
 632         defined(_FM77AV40SX) || defined(_FM77AV40EX) || defined(_FM77AV40SX)
 633                         fdc->set_drive_type(i, DRIVE_TYPE_2DD);
 634 #else
 635                         fdc->set_drive_type(i, DRIVE_TYPE_2D);
 636 #endif
 637                         fdc->set_drive_rpm(i, 360);
 638                         fdc->set_drive_mfm(i, true);
 639                 }
 640 #if defined(_FM8) || (_FM7) || (_FMNEW7)
 641         }
 642 #endif
 643
 644 #if defined(_FM8) || (_FM7) || (_FMNEW7)
 645         if(connect_1Mfdc) {
 646 #endif
 647 // ToDo: Implement another FDC for 1MB (2HD or 8''), this is used by FM-8 to FM-77? Not FM77AV or later? I still know this.
 648 //#if defined(_FM77) || defined(_FM77L4)
 649 //              for(int i = 0; i < 4; i++) {
 650 //                      fdc->set_drive_type(i, DRIVE_TYPE_2HD);
 651 //                      fdc->set_drive_rpm(i, 360);
 652 //                      fdc->set_drive_mfm(i, true);
 653 //              }
 654 //#endif
 655 #if defined(_FM8) || (_FM7) || (_FMNEW7)
 656         }
 657 #endif
 658 }
 659
 660 void VM::update_config()
 661 {
 662         for(DEVICE* device = first_device; device; device = device->next_device) {
 663                 device->update_config();
 664         }
 665         update_dipswitch();
 666 }
 667
 668 void VM::reset()
 669 {
 670         // reset all devices
 671         for(DEVICE* device = first_device; device; device = device->next_device) {
 672                 device->reset();
 673         }
 674 #if !defined(_FM77AV_VARIANTS) || defined(_FM8)
 675 # if defined(USE_AY_3_8910_AS_PSG)
 676         psg->set_reg(0x2e, 0);  // set prescaler
 677         psg->write_signal(SIG_AY_3_891X_MUTE, 0x00, 0x01); // Okay?
 678 # else
 679         psg->set_reg(0x27, 0); // stop timer
 680         psg->set_reg(0x2e, 0);  // set prescaler
 681         psg->write_signal(SIG_YM2203_MUTE, 0x00, 0x01); // Okay?
 682 #endif
 683 #endif
 684 #if !defined(_FM8)
 685         for(int i = 0; i < 3; i++) {
 686                 opn[i]->set_reg(0x27, 0); // stop timer
 687                 opn[i]->set_reg(0x2e, 0);       // set prescaler
 688                 opn[i]->write_signal(SIG_YM2203_MUTE, 0x00, 0x01); // Okay?
 689         }
 690 #endif
 691 }
 692
 693 void VM::special_reset()
 694 {
 695         // BREAK + RESET
 696         mainio->reset();
 697         mainmem->reset();
 698         //mainio->write_signal(FM7_MAINIO_PUSH_BREAK, 1, 1);
 699         //keyboard->write_signal(SIG_FM7KEY_OVERRIDE_PRESS_BREAK, 0xffffffff, 0xffffffff);
 700
 701 #if defined(FM77AV_VARIANTS)
 702         mainio->write_signal(FM7_MAINIO_HOT_RESET, 1, 1);
 703 #endif
 704         display->reset();
 705         subcpu->reset();
 706         maincpu->reset();
 707         mainio->write_signal(FM7_MAINIO_PUSH_BREAK, 1, 1);
 708         keyboard->write_signal(SIG_FM7KEY_OVERRIDE_PRESS_BREAK, 0xffffffff, 0xffffffff);
 709         event->register_event(mainio, EVENT_UP_BREAK, 1000.0 * 1000.0, false, NULL);
 710 }
 711
 712 void VM::run()
 713 {
 714         event->drive();
 715 }
 716
 717 double VM::get_frame_rate()
 718 {
 719         return event->get_frame_rate();
 720 }
 721
 722
 723
 724 // ----------------------------------------------------------------------------
 725 // debugger
 726 // ----------------------------------------------------------------------------
 727
 728 #ifdef USE_DEBUGGER
 729 DEVICE *VM::get_cpu(int index)
 730 {
 731         if(index == 0) {
 732                 return maincpu;
 733         } else if(index == 1) {
 734                 return subcpu;
 735         }
 736 #if defined(WITH_Z80)
 737         else if(index == 2) {
 738 # if defined(CAPABLE_JCOMMCARD)
 739                 if(z80cpu == NULL) {
 740                         return jsubcpu;
 741                 }
 742 # endif
 743                 return z80cpu;
 744         }
 745 # if defined(CAPABLE_JCOMMCARD)
 746         else if(index == 3) {
 747                 return jsubcpu;
 748         }
 749 # endif
 750 #else
 751 # if defined(CAPABLE_JCOMMCARD)
 752         else if(index == 2) {
 753                 return jsubcpu;
 754         }
 755 # endif
 756 #endif
 757         return NULL;
 758 }
 759 #endif
 760
 761 // ----------------------------------------------------------------------------
 762 // draw screen
 763 // ----------------------------------------------------------------------------
 764
 765 void VM::draw_screen()
 766 {
 767         display->draw_screen();
 768 }
 769
 770 void VM::initialize_sound(int rate, int samples)
 771 {
 772         // init sound manager
 773         event->initialize_sound(rate, samples);
 774         // init sound gen
 775 #if defined(_FM8)
 776         psg->initialize_sound(rate, (int)(4.9152 * 1000.0 * 1000.0 / 4.0), samples, 0, 0);
 777 #else
 778         opn[0]->initialize_sound(rate, (int)(4.9152 * 1000.0 * 1000.0 / 4.0), samples, 0, 0);
 779         opn[1]->initialize_sound(rate, (int)(4.9152 * 1000.0 * 1000.0 / 4.0), samples, 0, 0);
 780         opn[2]->initialize_sound(rate, (int)(4.9152 * 1000.0 * 1000.0 / 4.0), samples, 0, 0);
 781 # if !defined(_FM77AV_VARIANTS)
 782         psg->initialize_sound(rate, (int)(4.9152 * 1000.0 * 1000.0 / 4.0), samples, 0, 0);
 783 # endif
 784 # if defined(_FM77AV_VARIANTS)
 785         keyboard_beep->initialize_sound(rate, 2400.0, 512);
 786 # endif
 787 #endif
 788         pcm1bit->initialize_sound(rate, 2000);
 789         //drec->initialize_sound(rate, 0);
 790 }
 791
 792 uint16_t* VM::create_sound(int* extra_frames)
 793 {
 794         uint16_t* p = event->create_sound(extra_frames);
 795         return p;
 796 }
 797
 798 int VM::get_sound_buffer_ptr()
 799 {
 800         int pos = event->get_sound_buffer_ptr();
 801         return pos;
 802 }
 803
 804 #ifdef USE_SOUND_VOLUME
 805 void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
 806 {
 807 #if !defined(_FM77AV_VARIANTS)
 808         if(ch-- == 0) {
 809                 psg->set_volume(0, decibel_l, decibel_r);
 810                 psg->set_volume(1, decibel_l, decibel_r);
 811         } else
 812 #endif
 813 #if !defined(_FM8)
 814         if(ch-- == 0) {
 815                 opn[0]->set_volume(0, decibel_l, decibel_r);
 816         } else if(ch-- == 0) {
 817                 opn[0]->set_volume(1, decibel_l, decibel_r);
 818         } else if(ch-- == 0) {
 819                 opn[1]->set_volume(0, decibel_l, decibel_r);
 820         } else if(ch-- == 0) {
 821                 opn[1]->set_volume(1, decibel_l, decibel_r);
 822         } else if(ch-- == 0) {
 823                 opn[2]->set_volume(0, decibel_l, decibel_r);
 824         } else if(ch-- == 0) {
 825                 opn[2]->set_volume(1, decibel_l, decibel_r);
 826         } else
 827 #endif
 828         if(ch-- == 0) {
 829                 pcm1bit->set_volume(0, decibel_l, decibel_r);
 830         } else if(ch-- == 0) {
 831                 if(drec != NULL) drec->set_volume(0, decibel_l, decibel_r);
 832         }
 833 #if defined(_FM77AV_VARIANTS)
 834         else if(ch-- == 0) {
 835                 keyboard_beep->set_volume(0, decibel_l, decibel_r);
 836         }
 837 #endif
 838         else if(ch-- == 0) {
 839                 if(fdc != NULL) {
 840                         fdc->get_context_noise_seek()->set_volume(0, decibel_l, decibel_r);
 841                         fdc->get_context_noise_head_down()->set_volume(0, decibel_l, decibel_r);
 842                         fdc->get_context_noise_head_up()->set_volume(0, decibel_l, decibel_r);
 843                 }
 844         } else if(ch-- == 0) {
 845                 if(drec != NULL) {
 846                         drec->get_context_noise_play()->set_volume(0, decibel_l, decibel_r);
 847                         drec->get_context_noise_stop()->set_volume(0, decibel_l, decibel_r);
 848                         drec->get_context_noise_fast()->set_volume(0, decibel_l, decibel_r);
 849                 }
 850         }
 851 }
 852 #endif
 853
 854 // ----------------------------------------------------------------------------
 855 // notify key
 856 // ----------------------------------------------------------------------------
 857
 858 void VM::key_down(int code, bool repeat)
 859 {
 860         if(!repeat) {
 861                 keyboard->key_down(code);
 862         }
 863 }
 864
 865 void VM::key_up(int code)
 866 {
 867         keyboard->key_up(code);
 868 }
 869
 870 bool VM::get_caps_locked()
 871 {
 872         return keyboard->get_caps_locked();
 873 }
 874
 875 bool VM::get_kana_locked()
 876 {
 877         return keyboard->get_kana_locked();
 878 }
 879
 880 // Get INS status.Important with FM-7 series (^_^;
 881 uint32_t VM::get_extra_leds()
 882 {
 883         return keyboard->read_signal(SIG_FM7KEY_LED_STATUS);
 884 }
 885
 886
 887 // ----------------------------------------------------------------------------
 888 // user interface
 889 // ----------------------------------------------------------------------------
 890
 891 void VM::open_floppy_disk(int drv, const _TCHAR* file_path, int bank)
 892 {
 893         if(fdc != NULL) {
 894                 fdc->open_disk(drv, file_path, bank);
 895         }
 896 }
 897
 898 void VM::close_floppy_disk(int drv)
 899 {
 900         if(fdc != NULL) {
 901                 fdc->close_disk(drv);
 902         }
 903 }
 904
 905 bool VM::is_floppy_disk_inserted(int drv)
 906 {
 907         if(fdc != NULL) {
 908                 return fdc->is_disk_inserted(drv);
 909         } else {
 910                 return false;
 911         }
 912 }
 913
 914 void VM::is_floppy_disk_protected(int drv, bool value)
 915 {
 916         if(fdc != NULL) {
 917                 fdc->is_disk_protected(drv, value);
 918         }
 919 }
 920
 921 bool VM::is_floppy_disk_protected(int drv)
 922 {
 923         if(fdc != NULL) {
 924                 return fdc->is_disk_protected(drv);
 925         } else {
 926                 return false;
 927         }
 928 }
 929
 930 uint32_t VM::is_floppy_disk_accessed()
 931 {
 932         // WILLFIX : Multiple FDC for 1M FD.
 933 #if defined(_FM8) || (_FM7) || (_FMNEW7)
 934         if(connect_320kfdc || connect_1Mfdc) {
 935 #endif
 936                 return fdc->read_signal(0);
 937 #if defined(_FM8) || (_FM7) || (_FMNEW7)
 938         } else {
 939                 return 0x00000000;
 940         }
 941 #endif
 942 }
 943
 944 void VM::play_tape(int drv, const _TCHAR* file_path)
 945 {
 946         if(drec != NULL) drec->play_tape(file_path);
 947 }
 948
 949 void VM::rec_tape(int drv, const _TCHAR* file_path)
 950 {
 951         if(drec != NULL) drec->rec_tape(file_path);
 952 }
 953
 954 void VM::close_tape(int drv)
 955 {
 956         emu->lock_vm();
 957         if(drec != NULL) drec->close_tape();
 958         emu->unlock_vm();
 959 }
 960
 961 bool VM::is_tape_inserted(int drv)
 962 {
 963         if(drec != NULL) {
 964                 return drec->is_tape_inserted();
 965         }
 966         return false;
 967 }
 968
 969 bool VM::is_tape_playing(int drv)
 970 {
 971         if(drec != NULL) {
 972                 return drec->is_tape_playing();
 973         }
 974         return false;
 975 }
 976
 977 bool VM::is_tape_recording(int drv)
 978 {
 979         if(drec != NULL) {
 980                 return drec->is_tape_recording();
 981         }
 982         return false;
 983 }
 984
 985 int VM::get_tape_position(int drv)
 986 {
 987         if(drec != NULL) {
 988                 return drec->get_tape_position();
 989         }
 990         return 0;
 991 }
 992
 993 const _TCHAR* VM::get_tape_message(int drv)
 994 {
 995         if(drec != NULL) {
 996                 return drec->get_message();
 997         }
 998         return NULL;
 999 }
1000
1001 void VM::push_play(int drv)
1002 {
1003         if(drec != NULL) {
1004                 drec->set_ff_rew(0);
1005                 drec->set_remote(true);
1006         }
1007 }
1008
1009
1010 void VM::push_stop(int drv)
1011 {
1012         if(drec != NULL) {
1013                 drec->set_remote(false);
1014         }
1015 }
1016
1017 void VM::push_fast_forward(int drv)
1018 {
1019         if(drec != NULL) {
1020                 drec->set_ff_rew(1);
1021                 drec->set_remote(true);
1022         }
1023 }
1024
1025 void VM::push_fast_rewind(int drv)
1026 {
1027         if(drec != NULL) {
1028                 drec->set_ff_rew(-1);
1029                 drec->set_remote(true);
1030         }
1031 }
1032
1033 void VM::push_apss_forward(int drv)
1034 {
1035         if(drec != NULL) {
1036                 drec->do_apss(1);
1037         }
1038 }
1039
1040 void VM::push_apss_rewind(int drv)
1041 {
1042         if(drec != NULL) {
1043                 drec->do_apss(-1);
1044         }
1045 }
1046
1047 bool VM::is_frame_skippable()
1048 {
1049         return event->is_frame_skippable();
1050 }
1051
1052 void VM::update_dipswitch()
1053 {
1054 #if defined(WITH_Z80)
1055         g_intr_irq->write_signal(SIG_AND_BIT_0, ((config.dipswitch & FM7_DIPSW_Z80_IRQ_ON) != 0) ? 1 : 0, 1);
1056         g_intr_firq->write_signal(SIG_AND_BIT_0, ((config.dipswitch & FM7_DIPSW_Z80_FIRQ_ON) != 0) ? 1 : 0, 1);
1057         g_nmi->write_signal(SIG_AND_BIT_0, ((config.dipswitch & FM7_DIPSW_Z80_NMI_ON) != 0) ? 1 : 0, 1);
1058 #endif
1059 }
1060
1061 void VM::set_cpu_clock(DEVICE *cpu, uint32_t clocks) {
1062         event->set_secondary_cpu_clock(cpu, clocks);
1063 }
1064
1065 #if defined(USE_BUBBLE1)
1066 void VM::open_bubble_casette(int drv, const _TCHAR *path, int bank)
1067 {
1068         if((drv >= 2) || (drv < 0)) return;
1069         if(bubble_casette[drv] == NULL) return;
1070         bubble_casette[drv]->open((_TCHAR *)path, bank);
1071 }
1072
1073 void VM::close_bubble_casette(int drv)
1074 {
1075         if((drv >= 2) || (drv < 0)) return;
1076         if(bubble_casette[drv] == NULL) return;
1077         bubble_casette[drv]->close();
1078 }
1079
1080 bool VM::is_bubble_casette_inserted(int drv)
1081 {
1082         if((drv >= 2) || (drv < 0)) return false;
1083         if(bubble_casette[drv] == NULL) return false;
1084         return bubble_casette[drv]->is_bubble_inserted();
1085 }
1086
1087 bool VM::is_bubble_casette_protected(int drv)
1088 {
1089         if((drv >= 2) || (drv < 0)) return false;
1090         if(bubble_casette[drv] == NULL) return false;
1091         return bubble_casette[drv]->is_bubble_protected();
1092 }
1093
1094 void VM::is_bubble_casette_protected(int drv, bool flag)
1095 {
1096         if((drv >= 2) || (drv < 0)) return;
1097         if(bubble_casette[drv] == NULL) return;
1098         bubble_casette[drv]->set_bubble_protect(flag);
1099 }
1100 #endif
1101
1102
1103 #define STATE_VERSION   8
1104 void VM::save_state(FILEIO* state_fio)
1105 {
1106         state_fio->FputUint32_BE(STATE_VERSION);
1107         state_fio->FputBool(connect_320kfdc);
1108         state_fio->FputBool(connect_1Mfdc);
1109         for(DEVICE* device = first_device; device; device = device->next_device) {
1110                 const char *name = typeid(*device).name() + 6; // skip "class "
1111
1112                 state_fio->FputInt32(strlen(name));
1113                 state_fio->Fwrite(name, strlen(name), 1);
1114                 device->save_state(state_fio);
1115         }
1116 }
1117
1118 bool VM::load_state(FILEIO* state_fio)
1119 {
1120         uint32_t version = state_fio->FgetUint32_BE();
1121         if(version != STATE_VERSION) {
1122                 return false;
1123         }
1124         connect_320kfdc = state_fio->FgetBool();
1125         connect_1Mfdc = state_fio->FgetBool();
1126         for(DEVICE* device = first_device; device; device = device->next_device) {
1127                 const char *name = typeid(*device).name() + 6; // skip "class "
1128
1129                 if(!(state_fio->FgetInt32() == strlen(name) && state_fio->Fcompare(name, strlen(name)))) {
1130                         printf("Load Error: DEVID=%d\n", device->this_device_id);
1131                         return false;
1132                 }
1133                 if(!device->load_state(state_fio)) {
1134                         printf("Load Error: DEVID=%d\n", device->this_device_id);
1135                         return false;
1136                 }
1137         }
1138         return true;
1139 }
1140
1141 #ifdef USE_DIG_RESOLUTION
1142 void VM::get_screen_resolution(int *w, int *h)
1143 {
1144         switch(display->get_screen_mode()) {
1145         case DISPLAY_MODE_8_200L:
1146         case DISPLAY_MODE_8_200L_TEXT:
1147                 *w = 640;
1148                 *h = 200;
1149                 break;
1150         case DISPLAY_MODE_8_400L:
1151         case DISPLAY_MODE_8_400L_TEXT:
1152                 *w = 640;
1153                 *h = 400;
1154                 break;
1155         case DISPLAY_MODE_4096:
1156         case DISPLAY_MODE_256k:
1157                 *w = 320;
1158                 *h = 200;
1159                 break;
1160         default:
1161                 *w = 640;
1162                 *h = 200;
1163                 break;
1164         }
1165 }
1166 #endif
1167
1168 bool VM::is_screen_changed()
1169 {
1170         bool f = true;
1171 #if defined(USE_MINIMUM_RENDERING)
1172         f = display->screen_update();
1173         display->reset_screen_update();
1174 #endif
1175         return f;
1176 }