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
  46 #include "./fm7_mainio.h"
  47 #include "./fm7_mainmem.h"
  48 #include "./fm7_display.h"
  49 #include "./fm7_keyboard.h"
  50 #include "./joystick.h"
  51
  52 #include "./kanjirom.h"
  53 #if defined(CAPABLE_JCOMMCARD)
  54 #include "./jcommcard.h"
  55 #endif
  56
  57 VM::VM(EMU* parent_emu): emu(parent_emu)
  58 {
  59
  60         first_device = last_device = NULL;
  61 #if defined(_FM8)
  62         psg = NULL;
  63 #else
  64 # if defined(_FM77AV_VARIANTS)
  65         opn[0] = opn[1] = opn[2] = NULL;
  66 # else
  67         opn[0] = opn[1] = opn[2] = NULL;
  68         psg = NULL;
  69 # endif
  70 #endif
  71         for(int i = 0; i < 3; i++) uart[i] = NULL;
  72
  73         dummy = new DEVICE(this, emu);  // must be 1st device
  74         event = new EVENT(this, emu);   // must be 2nd device
  75
  76         dummycpu = new DEVICE(this, emu);
  77         maincpu = new MC6809(this, emu);
  78         subcpu = new MC6809(this, emu);
  79         g_substat_display = new AND(this, emu);
  80         g_substat_mainhalt = new AND(this, emu);
  81
  82
  83 #ifdef WITH_Z80
  84         if((config.dipswitch & FM7_DIPSW_Z80CARD_ON) != 0) {
  85                 z80cpu = new Z80(this, emu);
  86         } else {
  87                 z80cpu = NULL;
  88         }
  89         g_mainstat = new AND(this, emu);
  90         g_intr = new OR(this, emu);
  91
  92         g_intr_irq = new AND(this, emu);
  93         g_intr_firq = new AND(this, emu);
  94         g_nmi = new AND(this, emu);
  95 #endif
  96 #if defined(CAPABLE_JCOMMCARD)
  97         if((config.dipswitch & FM7_DIPSW_JSUBCARD_ON) != 0) {
  98                 jsubcpu = new MC6809(this, parent_emu);
  99                 jcommcard = new FM7_JCOMMCARD(this, parent_emu);
 100         } else {
 101                 jsubcpu = NULL;
 102                 jcommcard = NULL;
 103         }
 104 #endif
 105 # if defined(_FM77AV40) || defined(_FM77AV40SX) || defined(_FM77AV40EX) || defined(_FM77AV20) || defined(_FM77AV20EX)
 106         uart[0] = new I8251(this, emu);
 107 # else
 108 #  if defined(CAPABLE_JCOMMCARD)
 109         if((config.dipswitch & FM7_DIPSW_JSUBCARD_ON) != 0) uart[0] = new I8251(this, emu);
 110 #  endif
 111         if(((config.dipswitch & FM7_DIPSW_RS232C_ON) != 0) && (uart[0] == NULL)) uart[0] = new I8251(this, emu);
 112 # endif
 113         if((config.dipswitch & FM7_DIPSW_MODEM_ON) != 0) uart[1] = new I8251(this, emu);
 114         if((config.dipswitch & FM7_DIPSW_MIDI_ON) != 0) uart[2] = new I8251(this, emu);
 115
 116
 117         // basic devices
 118         // I/Os
 119 #if defined(HAS_DMA)
 120         dmac = new HD6844(this, emu);
 121 #endif
 122 #if defined(_FM8)
 123 #  if defined(USE_AY_3_8910_AS_PSG)
 124         psg = new AY_3_891X(this, emu);
 125 #  else
 126         psg = new YM2203(this, emu);
 127 #  endif
 128 #else
 129         opn[0] = new YM2203(this, emu); // OPN
 130         opn[1] = new YM2203(this, emu); // WHG
 131         opn[2] = new YM2203(this, emu); // THG
 132 # if !defined(_FM77AV_VARIANTS)
 133 #  if defined(USE_AY_3_8910_AS_PSG)
 134         psg = new AY_3_891X(this, emu);
 135 #  else
 136         psg = new YM2203(this, emu);
 137 #  endif
 138 # endif
 139 #endif
 140 #if defined(_FM8)
 141         for(int i = 0; i < 2; i++) bubble_casette[i] = new BUBBLECASETTE(this, emu);
 142 #endif
 143         drec = NULL;
 144         drec = new DATAREC(this, emu);
 145         drec->set_context_noise_play(new NOISE(this, emu));
 146         drec->set_context_noise_stop(new NOISE(this, emu));
 147         drec->set_context_noise_fast(new NOISE(this, emu));
 148         pcm1bit = new PCM1BIT(this, emu);
 149
 150         connect_320kfdc = connect_1Mfdc = false;
 151         fdc = NULL;
 152 #if defined(_FM8) || defined(_FM7) || defined(_FMNEW7)
 153         if(((config.dipswitch & FM7_DIPSW_CONNECT_320KFDC) != 0) ||
 154            ((config.dipswitch & FM7_DIPSW_CONNECT_1MFDC) != 0)) {
 155 #endif
 156                 fdc = new MB8877(this, emu);
 157                 fdc->set_context_noise_seek(new NOISE(this, emu));
 158                 fdc->set_context_noise_head_down(new NOISE(this, emu));
 159                 fdc->set_context_noise_head_up(new NOISE(this, emu));
 160 #if defined(_FM8) || defined(_FM7) || defined(_FMNEW7)
 161                 if((config.dipswitch & FM7_DIPSW_CONNECT_320KFDC) != 0) {
 162                         connect_320kfdc = true;
 163                 }
 164                 if((config.dipswitch & FM7_DIPSW_CONNECT_1MFDC) != 0) {
 165                         connect_1Mfdc = true;
 166                 }
 167 #elif defined(_FM77_VARIANTS)
 168                 connect_320kfdc = true;
 169                 if((config.dipswitch & FM7_DIPSW_CONNECT_1MFDC) != 0) {
 170                         connect_1Mfdc = true;
 171                 }
 172 #else   // AV or later.
 173                 connect_320kfdc = true;
 174                 // 1MFDD??
 175 #endif
 176 #if defined(_FM8) || defined(_FM7) || defined(_FMNEW7)
 177         }
 178 #endif
 179         joystick  = new JOYSTICK(this, emu);
 180         printer = new PRNFILE(this, emu);
 181 #if defined(_FM77AV_VARIANTS)
 182         alu = new MB61VH010(this, emu);
 183         keyboard_beep = new BEEP(this, emu);
 184 #endif
 185         keyboard = new KEYBOARD(this, emu);
 186         display = new DISPLAY(this, emu);
 187
 188         mainio  = new FM7_MAINIO(this, emu);
 189         mainmem = new FM7_MAINMEM(this, emu);
 190
 191 #if defined(_FM8) || defined(_FM7) || defined(_FMNEW7)
 192         if((config.dipswitch & FM7_DIPSW_CONNECT_KANJIROM) != 0) {
 193                 kanjiclass1 = new KANJIROM(this, emu, false);
 194         } else {
 195                 kanjiclass1 = NULL;
 196         }
 197 #else
 198         kanjiclass1 = new KANJIROM(this, emu, false);
 199 #endif
 200 #ifdef CAPABLE_KANJI_CLASS2
 201         kanjiclass2 = new KANJIROM(this, emu, true);
 202 #endif
 203
 204 # if defined(_FM77AV20) || defined(_FM77AV40) || defined(_FM77AV20EX) || defined(_FM77AV40EX) || defined(_FM77AV40SX)
 205         g_rs232c_dtr = new AND(this, emu);
 206         g_rs232c_dtr->set_mask(SIG_AND_BIT_0);
 207         g_rs232c_dtr->set_mask(SIG_AND_BIT_1);
 208
 209         // DCD
 210 #endif
 211 #ifdef WITH_Z80
 212         g_mainstat->set_mask(SIG_AND_BIT_0);
 213         g_mainstat->set_mask(SIG_AND_BIT_1);
 214         maincpu->set_context_bus_ba(g_mainstat, SIG_AND_BIT_0, 0xffffffff);
 215         maincpu->set_context_bus_bs(g_mainstat, SIG_AND_BIT_1, 0xffffffff);
 216         g_mainstat->set_context_out(mainio, FM7_MAINIO_RUN_Z80, 0xffffffff);
 217
 218         if(z80cpu != NULL) {
 219                 z80cpu->set_context_busack(mainio, FM7_MAINIO_RUN_6809, 0xffffffff);
 220                 mainio->set_context_z80cpu(z80cpu);
 221         }
 222 #endif
 223 #if defined(_USE_QT)
 224         event->set_device_name(_T("EVENT"));
 225         dummy->set_device_name(_T("1st Dummy"));
 226
 227         maincpu->set_device_name(_T("MAINCPU(MC6809B)"));
 228         subcpu->set_device_name(_T("SUBCPU(MC6809B)"));
 229         dummycpu->set_device_name(_T("DUMMY CPU"));
 230 #if defined(CAPABLE_JCOMMCARD)
 231         if(jsubcpu != NULL) {
 232                 jsubcpu->set_device_name(_T("J.COMM BOARD CPU(MC6809)"));
 233         }
 234         if(jcommcard != NULL) {
 235                 jcommcard->set_device_name(_T("Japanese COMM BOARD"));
 236         }
 237 # ifdef WITH_Z80
 238         if(z80cpu != NULL) z80cpu->set_device_name(_T("Z80 CPU BOARD"));
 239 # endif
 240         if(fdc != NULL) fdc->set_device_name(_T("MB8877 FDC(320KB)"));
 241
 242         if(uart[0] != NULL) {
 243                 uart[0]->set_device_name(_T("RS-232C BOARD(I8251 SIO)"));
 244         }
 245 # if defined(CAPABLE_JCOMMCARD)
 246         if((config.dipswitch & FM7_DIPSW_JSUBCARD_ON) != 0) {
 247                 if(uart[0] != NULL) uart[0]->set_device_name(_T("J.COMM BOARD RS-232C(I8251 SIO)"));
 248         }
 249 # elif defined(_FM77AV20) || defined(_FM77AV40) || defined(_FM77AV20EX) || defined(_FM77AV40EX) || defined(_FM77AV40SX)
 250         if(uart[0] != NULL) uart[0]->set_device_name(_T("RS-232C(I8251 SIO)"));
 251 # endif
 252
 253         if(uart[1] != NULL) {
 254                 uart[1]->set_device_name(_T("MODEM BOARD(I8251 SIO)"));
 255         }
 256         if(uart[2] != NULL) {
 257                 uart[2]->set_device_name(_T("MIDI BOARD(I8251 SIO)"));
 258         }
 259
 260         // basic devices
 261         // I/Os
 262 # if defined(_FM8)
 263         psg->set_device_name(_T("AY-3-8910 PSG"));
 264 # else
 265         opn[0]->set_device_name(_T("YM2203 OPN"));
 266         opn[1]->set_device_name(_T("YM2203 WHG"));
 267         opn[2]->set_device_name(_T("YM2203 THG"));
 268 #  if !defined(_FM77AV_VARIANTS)
 269         psg->set_device_name(_T("AY-3-8910 PSG"));
 270 #  endif
 271 # endif
 272         pcm1bit->set_device_name(_T("BEEP"));
 273         printer->set_device_name(_T("PRINTER I/F"));
 274 # if defined(_FM77AV_VARIANTS)
 275         keyboard_beep->set_device_name(_T("BEEP(KEYBOARD)"));
 276 # endif
 277         if(kanjiclass1 != NULL) kanjiclass1->set_device_name(_T("KANJI ROM CLASS1"));
 278 # ifdef CAPABLE_KANJI_CLASS2
 279         if(kanjiclass2 != NULL) kanjiclass2->set_device_name(_T("KANJI ROM CLASS2"));
 280 # endif
 281 # if defined(_FM8)
 282         bubble_casette[0]->set_device_name(_T("BUBBLE CASETTE #0"));
 283         bubble_casette[1]->set_device_name(_T("BUBBLE CASETTE #1"));
 284 # endif
 285 #endif
 286 # if defined(_FM77AV20) || defined(_FM77AV40) || defined(_FM77AV20EX) || defined(_FM77AV40EX) || defined(_FM77AV40SX)
 287         g_rs232c_dtr->set_device_name(_T("RS232C DTR(AND)"));
 288 #endif
 289 #ifdef WITH_Z80
 290         g_intr->set_device_name(_T("Z80 INTR(OR)"));
 291         g_mainstat->set_device_name(_T("Z80 HALT/RUN(AND)"));
 292         g_intr_irq->set_device_name(_T("Z80 IRQ(AND)"));
 293         g_intr_firq->set_device_name(_T("Z80 FIRQ(AND)"));
 294         g_nmi->set_device_name(_T("Z80 NMI(AND)"));
 295 #endif
 296         g_substat_display->set_device_name(_T("DISPLAY STATUS(AND)"));
 297         g_substat_mainhalt->set_device_name(_T("SUBSYSTEM HALT STATUS(AND)"));
 298 #endif
 299         this->connect_bus();
 300
 301 }
 302
 303 VM::~VM()
 304 {
 305         // delete all devices
 306         for(DEVICE* device = first_device; device;) {
 307                 DEVICE *next_device = device->next_device;
 308                 device->release();
 309                 delete device;
 310                 device = next_device;
 311         }
 312 }
 313
 314 DEVICE* VM::get_device(int id)
 315 {
 316         for(DEVICE* device = first_device; device; device = device->next_device) {
 317                 if(device->this_device_id == id) {
 318                         return device;
 319                 }
 320         }
 321         return NULL;
 322 }
 323
 324 void VM::connect_bus(void)
 325 {
 326         uint32_t mainclock;
 327         uint32_t subclock;
 328
 329         /*
 330          * CLASS CONSTRUCTION
 331          *
 332          * VM
 333          *  |-> MAINCPU -> MAINMEM -> MAINIO -> MAIN DEVICES
 334          *  |             |        |
 335          *  | -> SUBCPU  -> SUBMEM  -> SUBIO -> SUB DEVICES
 336          *  | -> DISPLAY
 337          *  | -> KEYBOARD
 338          *
 339          *  MAINMEM can access SUBMEM/IO, when SUBCPU is halted.
 340          *  MAINMEM and SUBMEM can access DISPLAY and KEYBOARD with exclusive.
 341          *  MAINCPU can access MAINMEM.
 342          *  SUBCPU  can access SUBMEM.
 343          *  DISPLAY : R/W from MAINCPU and SUBCPU.
 344          *  KEYBOARD : R/W
 345          *
 346          */
 347         event->set_frames_per_sec(FRAMES_PER_SEC);
 348         event->set_lines_per_frame(LINES_PER_FRAME);
 349         //event->set_context_cpu(dummycpu, (CPU_CLOCKS * 3) / 8); // MAYBE FIX With eFM77AV40/20.
 350         // With slow clock (for dummycpu), some softwares happen troubles,
 351         // Use faster clock for dummycpu. 20160319 K.Ohta
 352         event->set_context_cpu(dummycpu, SUBCLOCK_NORMAL);
 353
 354 #if defined(_FM8)
 355         mainclock = MAINCLOCK_SLOW;
 356         subclock = SUBCLOCK_SLOW;
 357 #else
 358         if(config.cpu_type == 0) {
 359                 // 2MHz
 360                 subclock = SUBCLOCK_NORMAL;
 361                 mainclock = MAINCLOCK_NORMAL;
 362         } else {
 363                 // 1.2MHz
 364                 mainclock = MAINCLOCK_SLOW;
 365                 subclock = SUBCLOCK_SLOW;
 366         }
 367         //if((config.dipswitch & FM7_DIPSW_CYCLESTEAL) != 0) subclock = subclock / 3;
 368 #endif
 369         event->set_context_cpu(maincpu, mainclock);
 370         event->set_context_cpu(subcpu,  subclock);
 371
 372 #ifdef WITH_Z80
 373         if(z80cpu != NULL) {
 374                 event->set_context_cpu(z80cpu,  4000000);
 375                 z80cpu->write_signal(SIG_CPU_BUSREQ, 1, 1);
 376         }
 377         maincpu->write_signal(SIG_CPU_HALTREQ, 0, 1);
 378
 379         g_intr_irq->set_mask(SIG_AND_BIT_0);
 380         g_intr_irq->set_mask(SIG_AND_BIT_1);
 381
 382         g_intr_firq->set_mask(SIG_AND_BIT_0);
 383         g_intr_firq->set_mask(SIG_AND_BIT_1);
 384
 385         g_nmi->set_mask(SIG_AND_BIT_0);
 386         g_nmi->set_mask(SIG_AND_BIT_1);
 387
 388         mainio->set_context_irq(g_intr_irq, SIG_AND_BIT_1, 0xffffffff);
 389         g_intr_irq->set_context_out(g_intr, SIG_OR_BIT_0, 0xffffffff);
 390
 391         mainio->set_context_firq(g_intr_firq, SIG_AND_BIT_1, 0xffffffff);
 392         g_intr_firq->set_context_out(g_intr, SIG_OR_BIT_0, 0xffffffff);
 393
 394         if(z80cpu != NULL) g_intr->set_context_out(z80cpu, SIG_CPU_IRQ, 0xffffffff);
 395
 396         mainio->set_context_nmi(g_nmi, SIG_AND_BIT_1, 0xffffffff);
 397         if(z80cpu != NULL) g_nmi->set_context_out(z80cpu, SIG_CPU_NMI, 0xffffffff);
 398 #endif
 399 #if defined(CAPABLE_JCOMMCARD)
 400         if((jsubcpu != NULL) && (jcommcard != NULL)) {
 401                 event->set_context_cpu(jsubcpu,  JCOMMCARD_CLOCK);
 402                 jcommcard->set_context_cpu(jsubcpu);
 403                 jsubcpu->set_context_bus_ba(jcommcard, FM7_JCOMMCARD_BUS_BA, 0x00000001);
 404                 jsubcpu->set_context_bus_bs(jcommcard, FM7_JCOMMCARD_BUS_BS, 0x00000001);
 405                 mainio->set_context_jcommcard(jcommcard);
 406         }
 407 #endif
 408         event->set_context_sound(pcm1bit);
 409 #if defined(_FM8)
 410         event->set_context_sound(psg);
 411         if(drec != NULL) event->set_context_sound(drec);
 412 #else
 413         event->set_context_sound(opn[0]);
 414         event->set_context_sound(opn[1]);
 415         event->set_context_sound(opn[2]);
 416 # if !defined(_FM77AV_VARIANTS)
 417         event->set_context_sound(psg);
 418 # endif
 419         event->set_context_sound(drec);
 420         if(fdc != NULL) {
 421                 event->set_context_sound(fdc->get_context_noise_seek());
 422                 event->set_context_sound(fdc->get_context_noise_head_down());
 423                 event->set_context_sound(fdc->get_context_noise_head_up());
 424         }
 425         if(drec != NULL) {
 426                 event->set_context_sound(drec->get_context_noise_play());
 427                 event->set_context_sound(drec->get_context_noise_stop());
 428                 event->set_context_sound(drec->get_context_noise_fast());
 429         }
 430 # if defined(_FM77AV_VARIANTS)
 431         event->set_context_sound(keyboard_beep);
 432 # endif
 433 #endif
 434 #if !defined(_FM77AV_VARIANTS) && !defined(_FM77L4)
 435         event->register_vline_event(display);
 436         event->register_frame_event(display);
 437 #endif
 438         mainio->set_context_maincpu(maincpu);
 439         mainio->set_context_subcpu(subcpu);
 440
 441         mainio->set_context_display(display);
 442         mainio->set_context_irq(maincpu, SIG_CPU_IRQ, 0xffffffff);
 443         mainio->set_context_firq(maincpu, SIG_CPU_FIRQ, 0xffffffff);
 444         mainio->set_context_nmi(maincpu, SIG_CPU_NMI, 0xffffffff);
 445
 446         mainio->set_context_uart(0, uart[0]); /* $FD06- : RS232C */
 447         mainio->set_context_uart(1, uart[1]); /* $FD40- : MODEM */
 448         mainio->set_context_uart(2, uart[2]); /* $FDEA- : MIDI */
 449
 450 #if defined(_FM77AV20) || defined(_FM77AV40) || defined(_FM77AV20EX) || defined(_FM77AV40EX) || defined(_FM77AV40SX)
 451         mainio->set_context_rs232c_dtr(g_rs232c_dtr);
 452         if(uart[0] != NULL) uart[0]->set_context_dtr(g_rs232c_dtr, SIG_AND_BIT_1, 0xffffffff);
 453 #endif
 454         if(uart[0] != NULL) {
 455                 uart[0]->set_context_rxrdy(mainio, FM7_MAINIO_UART0_RXRDY, 0xffffffff);
 456                 uart[0]->set_context_txrdy(mainio, FM7_MAINIO_UART0_TXRDY, 0xffffffff);
 457                 uart[0]->set_context_syndet(mainio, FM7_MAINIO_UART0_SYNDET, 0xffffffff);
 458         }
 459         if(uart[1] != NULL) {
 460                 uart[1]->set_context_rxrdy(mainio, FM7_MAINIO_MODEM_RXRDY, 0xffffffff);
 461                 uart[1]->set_context_txrdy(mainio, FM7_MAINIO_MODEM_TXRDY, 0xffffffff);
 462                 uart[1]->set_context_syndet(mainio, FM7_MAINIO_MODEM_SYNDET, 0xffffffff);
 463         }
 464         if(uart[2] != NULL) {
 465                 uart[2]->set_context_rxrdy(mainio, FM7_MAINIO_MIDI_RXRDY, 0xffffffff);
 466                 uart[2]->set_context_txrdy(mainio, FM7_MAINIO_MIDI_TXRDY, 0xffffffff);
 467                 uart[2]->set_context_syndet(mainio, FM7_MAINIO_MIDI_SYNDET, 0xffffffff);
 468         }
 469
 470 #if defined(_FM8) || defined(_FM7) || defined(_FMNEW7)
 471         if((config.dipswitch & FM7_DIPSW_CONNECT_KANJIROM) != 0) {
 472                 mainio->set_context_kanjirom_class1(kanjiclass1);
 473         }
 474 #else
 475         mainio->set_context_kanjirom_class1(kanjiclass1);
 476 #endif
 477         mainio->set_context_mainmem(mainmem);
 478         mainio->set_context_keyboard(keyboard);
 479         mainio->set_context_printer(printer);
 480         mainio->set_context_printer_reset(printer, SIG_PRINTER_RESET, 0xffffffff);
 481         mainio->set_context_printer_strobe(printer, SIG_PRINTER_STROBE, 0xffffffff);
 482         mainio->set_context_printer_select(printer, SIG_PRINTER_SELECT, 0xffffffff);
 483 #if defined(CAPABLE_KANJI_CLASS2)
 484         mainio->set_context_kanjirom_class2(kanjiclass2);
 485 #endif
 486 #if defined(_FM8)
 487         for(int i = 0; i < 2; i++) mainio->set_context_bubble(bubble_casette[i], i);
 488 #endif
 489         keyboard->set_context_break_line(mainio, FM7_MAINIO_PUSH_BREAK, 0xffffffff);
 490         keyboard->set_context_int_line(mainio, FM7_MAINIO_KEYBOARDIRQ, 0xffffffff);
 491         keyboard->set_context_int_line(display, SIG_FM7_SUB_KEY_FIRQ, 0xffffffff);
 492 #if defined(_FM77AV_VARIANTS)
 493         keyboard->set_context_beep(keyboard_beep);
 494 #endif
 495         keyboard->set_context_rxrdy(display, SIG_FM7KEY_RXRDY, 0x01);
 496         keyboard->set_context_key_ack(display, SIG_FM7KEY_ACK, 0x01);
 497
 498         if(drec != NULL) {
 499                 drec->set_context_ear(mainio, FM7_MAINIO_CMT_RECV, 0xffffffff);
 500                 //drec->set_context_remote(mainio, FM7_MAINIO_CMT_REMOTE, 0xffffffff);
 501                 mainio->set_context_datarec(drec);
 502         }
 503         mainmem->set_context_mainio(mainio);
 504         mainmem->set_context_display(display);
 505         mainmem->set_context_maincpu(maincpu);
 506 #if defined(CAPABLE_DICTROM)
 507         mainmem->set_context_kanjirom_class1(kanjiclass1);
 508 #endif
 509         display->set_context_mainio(mainio);
 510         display->set_context_subcpu(subcpu);
 511         display->set_context_keyboard(keyboard);
 512
 513         mainio->set_context_clock_status(mainmem, FM7_MAINIO_CLOCKMODE, 0xffffffff);
 514         mainio->set_context_clock_status(display, SIG_DISPLAY_CLOCK, 0xffffffff);
 515
 516         g_substat_display->set_mask(SIG_AND_BIT_0);
 517         g_substat_display->set_mask(SIG_AND_BIT_1);
 518         subcpu->set_context_bus_ba(g_substat_display, SIG_AND_BIT_0, 0xffffffff);
 519         subcpu->set_context_bus_bs(g_substat_display, SIG_AND_BIT_1, 0xffffffff);
 520         g_substat_display->set_context_out(display, SIG_FM7_SUB_HALT, 0xffffffff);
 521
 522         g_substat_mainhalt->set_mask(SIG_AND_BIT_0);
 523         g_substat_mainhalt->set_mask(SIG_AND_BIT_1);
 524         subcpu->set_context_bus_ba(g_substat_mainhalt, SIG_AND_BIT_0, 0xffffffff);
 525         subcpu->set_context_bus_bs(g_substat_mainhalt, SIG_AND_BIT_1, 0xffffffff);
 526         g_substat_mainhalt->set_context_out(mainmem, SIG_FM7_SUB_HALT, 0xffffffff);
 527
 528 #if defined(_FM77_VARIANTS) || defined(_FM77AV_VARIANTS)
 529         display->set_context_kanjiclass1(kanjiclass1);
 530 #endif
 531 #if defined(CAPABLE_KANJI_CLASS2)
 532         display->set_context_kanjiclass2(kanjiclass2);
 533 #endif
 534 #if defined(_FM77AV_VARIANTS)
 535         display->set_context_alu(alu);
 536         alu->set_context_memory(display);
 537         alu->set_direct_access_offset(DISPLAY_VRAM_DIRECT_ACCESS);
 538 #endif
 539         // Palette, VSYNC, HSYNC, Multi-page, display mode.
 540         mainio->set_context_display(display);
 541 #if defined(_FM8) || (_FM7) || (_FMNEW7)
 542         if(connect_320kfdc || connect_1Mfdc) {
 543 #endif
 544                 //FDC
 545                 fdc->set_context_irq(mainio, FM7_MAINIO_FDC_IRQ, 0x1);
 546                 fdc->set_context_drq(mainio, FM7_MAINIO_FDC_DRQ, 0x1);
 547                 mainio->set_context_fdc(fdc);
 548 #if defined(_FM8) || (_FM7) || (_FMNEW7)
 549         }
 550 #endif
 551         // SOUND
 552         mainio->set_context_beep(pcm1bit);
 553 #if defined(_FM8)
 554         mainio->set_context_psg(psg);
 555 #else
 556 # if !defined(_FM77AV_VARIANTS)
 557         mainio->set_context_psg(psg);
 558 # endif
 559         opn[0]->set_context_irq(mainio, FM7_MAINIO_OPN_IRQ, 0xffffffff);
 560         mainio->set_context_opn(opn[0], 0);
 561         joystick->set_context_opn(opn[0]);
 562         mainio->set_context_joystick(joystick);
 563         opn[0]->set_context_port_b(joystick, FM7_JOYSTICK_MOUSE_STROBE, 0xff, 0);
 564
 565         opn[1]->set_context_irq(mainio, FM7_MAINIO_WHG_IRQ, 0xffffffff);
 566         mainio->set_context_opn(opn[1], 1);
 567         opn[2]->set_context_irq(mainio, FM7_MAINIO_THG_IRQ, 0xffffffff);
 568         mainio->set_context_opn(opn[2], 2);
 569 #endif
 570         subcpu->set_context_bus_clr(display, SIG_FM7_SUB_USE_CLR, 0x0000000f);
 571
 572         event->register_frame_event(joystick);
 573 #if defined(HAS_DMA)
 574         dmac->set_context_src(fdc, 0);
 575         dmac->set_context_dst(mainmem, 0);
 576         dmac->set_context_int_line(mainio, 0, FM7_MAINIO_DMA_INT, 0xffffffff);
 577         dmac->set_context_drq_line(maincpu, 1, SIG_CPU_BUSREQ, 0xffffffff);
 578         mainio->set_context_dmac(dmac);
 579 #endif
 580
 581         // MEMORIES must set before initialize().
 582         maincpu->set_context_mem(mainmem);
 583         subcpu->set_context_mem(display);
 584 #ifdef WITH_Z80
 585         if(z80cpu != NULL) z80cpu->set_context_mem(mainmem);
 586 #endif
 587 #if defined(CAPABLE_JCOMMCARD)
 588         if((jsubcpu != NULL) && (jcommcard != NULL)) {
 589                 jsubcpu->set_context_mem(jcommcard);
 590         }
 591 #endif
 592 #ifdef USE_DEBUGGER
 593         maincpu->set_context_debugger(new DEBUGGER(this, emu));
 594         subcpu->set_context_debugger(new DEBUGGER(this, emu));
 595 # ifdef WITH_Z80
 596         if(z80cpu != NULL) z80cpu->set_context_debugger(new DEBUGGER(this, emu));
 597 # endif
 598 # if defined(CAPABLE_JCOMMCARD)
 599         if(jsubcpu != NULL) {
 600                 jsubcpu->set_context_debugger(new DEBUGGER(this, emu));
 601         }
 602 # endif
 603 #endif
 604         for(DEVICE* device = first_device; device; device = device->next_device) {
 605                 device->initialize();
 606         }
 607
 608 #if defined(WITH_Z80)
 609         g_intr_irq->write_signal(SIG_AND_BIT_0, ((config.dipswitch & FM7_DIPSW_Z80_IRQ_ON) != 0) ? 1 : 0, 1);
 610         g_intr_firq->write_signal(SIG_AND_BIT_0, ((config.dipswitch & FM7_DIPSW_Z80_FIRQ_ON) != 0) ? 1 : 0, 1);
 611         g_nmi->write_signal(SIG_AND_BIT_0, ((config.dipswitch & FM7_DIPSW_Z80_NMI_ON) != 0) ? 1 : 0, 1);
 612 #endif
 613         // Disks
 614 #if defined(_FM8) || (_FM7) || (_FMNEW7)
 615         if(connect_320kfdc) {
 616 #endif
 617                 for(int i = 0; i < 4; i++) {
 618 #if defined(_FM77AV20) || defined(_FM77AV20EX) || \
 619         defined(_FM77AV40SX) || defined(_FM77AV40EX) || defined(_FM77AV40SX)
 620                         fdc->set_drive_type(i, DRIVE_TYPE_2DD);
 621 #else
 622                         fdc->set_drive_type(i, DRIVE_TYPE_2D);
 623 #endif
 624                         fdc->set_drive_rpm(i, 360);
 625                         fdc->set_drive_mfm(i, true);
 626                 }
 627 #if defined(_FM8) || (_FM7) || (_FMNEW7)
 628         }
 629 #endif
 630
 631 #if defined(_FM8) || (_FM7) || (_FMNEW7)
 632         if(connect_1Mfdc) {
 633 #endif
 634 // 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.
 635 //#if defined(_FM77) || defined(_FM77L4)
 636 //              for(int i = 0; i < 4; i++) {
 637 //                      fdc->set_drive_type(i, DRIVE_TYPE_2HD);
 638 //                      fdc->set_drive_rpm(i, 360);
 639 //                      fdc->set_drive_mfm(i, true);
 640 //              }
 641 //#endif
 642 #if defined(_FM8) || (_FM7) || (_FMNEW7)
 643         }
 644 #endif
 645 }
 646
 647 void VM::update_config()
 648 {
 649         for(DEVICE* device = first_device; device; device = device->next_device) {
 650                 device->update_config();
 651         }
 652         update_dipswitch();
 653 }
 654
 655 void VM::reset()
 656 {
 657         // reset all devices
 658         for(DEVICE* device = first_device; device; device = device->next_device) {
 659                 device->reset();
 660         }
 661 #if !defined(_FM77AV_VARIANTS) || defined(_FM8)
 662 # if defined(USE_AY_3_8910_AS_PSG)
 663         psg->set_reg(0x2e, 0);  // set prescaler
 664         psg->write_signal(SIG_AY_3_891X_MUTE, 0x00, 0x01); // Okay?
 665 # else
 666         psg->set_reg(0x27, 0); // stop timer
 667         psg->set_reg(0x2e, 0);  // set prescaler
 668         psg->write_signal(SIG_YM2203_MUTE, 0x00, 0x01); // Okay?
 669 #endif
 670 #endif
 671 #if !defined(_FM8)
 672         for(int i = 0; i < 3; i++) {
 673                 opn[i]->set_reg(0x27, 0); // stop timer
 674                 opn[i]->set_reg(0x2e, 0);       // set prescaler
 675                 opn[i]->write_signal(SIG_YM2203_MUTE, 0x00, 0x01); // Okay?
 676         }
 677 #endif
 678 }
 679
 680 void VM::special_reset()
 681 {
 682         // BREAK + RESET
 683         mainio->write_signal(FM7_MAINIO_PUSH_BREAK, 1, 1);
 684         mainio->reset();
 685         mainmem->reset();
 686
 687 #if defined(FM77AV_VARIANTS)
 688         mainio->write_signal(FM7_MAINIO_HOT_RESET, 1, 1);
 689 #endif
 690         display->reset();
 691         subcpu->reset();
 692         mainio->write_signal(FM7_MAINIO_PUSH_BREAK, 1, 1);
 693         maincpu->reset();
 694         event->register_event(mainio, EVENT_UP_BREAK, 10000.0 * 1000.0, false, NULL);
 695 }
 696
 697 void VM::run()
 698 {
 699         event->drive();
 700 }
 701
 702 double VM::get_frame_rate()
 703 {
 704         return event->get_frame_rate();
 705 }
 706
 707
 708
 709 // ----------------------------------------------------------------------------
 710 // debugger
 711 // ----------------------------------------------------------------------------
 712
 713 #ifdef USE_DEBUGGER
 714 DEVICE *VM::get_cpu(int index)
 715 {
 716         if(index == 0) {
 717                 return maincpu;
 718         } else if(index == 1) {
 719                 return subcpu;
 720         }
 721 #if defined(WITH_Z80)
 722         else if(index == 2) {
 723 # if defined(CAPABLE_JCOMMCARD)
 724                 if(z80cpu == NULL) {
 725                         return jsubcpu;
 726                 }
 727 # endif
 728                 return z80cpu;
 729         }
 730 # if defined(CAPABLE_JCOMMCARD)
 731         else if(index == 3) {
 732                 return jsubcpu;
 733         }
 734 # endif
 735 #else
 736 # if defined(CAPABLE_JCOMMCARD)
 737         else if(index == 2) {
 738                 return jsubcpu;
 739         }
 740 # endif
 741 #endif
 742         return NULL;
 743 }
 744 #endif
 745
 746 // ----------------------------------------------------------------------------
 747 // draw screen
 748 // ----------------------------------------------------------------------------
 749
 750 void VM::draw_screen()
 751 {
 752         display->draw_screen();
 753 }
 754
 755 void VM::initialize_sound(int rate, int samples)
 756 {
 757         // init sound manager
 758         event->initialize_sound(rate, samples);
 759         // init sound gen
 760 #if defined(_FM8)
 761         psg->initialize_sound(rate, (int)(4.9152 * 1000.0 * 1000.0 / 4.0), samples, 0, 0);
 762 #else
 763         opn[0]->initialize_sound(rate, (int)(4.9152 * 1000.0 * 1000.0 / 4.0), samples, 0, 0);
 764         opn[1]->initialize_sound(rate, (int)(4.9152 * 1000.0 * 1000.0 / 4.0), samples, 0, 0);
 765         opn[2]->initialize_sound(rate, (int)(4.9152 * 1000.0 * 1000.0 / 4.0), samples, 0, 0);
 766 # if !defined(_FM77AV_VARIANTS)
 767         psg->initialize_sound(rate, (int)(4.9152 * 1000.0 * 1000.0 / 4.0), samples, 0, 0);
 768 # endif
 769 # if defined(_FM77AV_VARIANTS)
 770         keyboard_beep->initialize_sound(rate, 2400.0, 512);
 771 # endif
 772 #endif
 773         pcm1bit->initialize_sound(rate, 2000);
 774         //drec->initialize_sound(rate, 0);
 775 }
 776
 777 uint16_t* VM::create_sound(int* extra_frames)
 778 {
 779         uint16_t* p = event->create_sound(extra_frames);
 780         return p;
 781 }
 782
 783 int VM::get_sound_buffer_ptr()
 784 {
 785         int pos = event->get_sound_buffer_ptr();
 786         return pos;
 787 }
 788
 789 #ifdef USE_SOUND_VOLUME
 790 void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
 791 {
 792 #if !defined(_FM77AV_VARIANTS)
 793         if(ch-- == 0) {
 794                 psg->set_volume(0, decibel_l, decibel_r);
 795                 psg->set_volume(1, decibel_l, decibel_r);
 796         } else
 797 #endif
 798 #if !defined(_FM8)
 799         if(ch-- == 0) {
 800                 opn[0]->set_volume(0, decibel_l, decibel_r);
 801         } else if(ch-- == 0) {
 802                 opn[0]->set_volume(1, decibel_l, decibel_r);
 803         } else if(ch-- == 0) {
 804                 opn[1]->set_volume(0, decibel_l, decibel_r);
 805         } else if(ch-- == 0) {
 806                 opn[1]->set_volume(1, decibel_l, decibel_r);
 807         } else if(ch-- == 0) {
 808                 opn[2]->set_volume(0, decibel_l, decibel_r);
 809         } else if(ch-- == 0) {
 810                 opn[2]->set_volume(1, decibel_l, decibel_r);
 811         } else
 812 #endif
 813         if(ch-- == 0) {
 814                 pcm1bit->set_volume(0, decibel_l, decibel_r);
 815         } else if(ch-- == 0) {
 816                 if(drec != NULL) drec->set_volume(0, decibel_l, decibel_r);
 817         }
 818 #if defined(_FM77AV_VARIANTS)
 819         else if(ch-- == 0) {
 820                 keyboard_beep->set_volume(0, decibel_l, decibel_r);
 821         }
 822 #endif
 823         else if(ch-- == 0) {
 824                 if(fdc != NULL) {
 825                         fdc->get_context_noise_seek()->set_volume(0, decibel_l, decibel_r);
 826                         fdc->get_context_noise_head_down()->set_volume(0, decibel_l, decibel_r);
 827                         fdc->get_context_noise_head_up()->set_volume(0, decibel_l, decibel_r);
 828                 }
 829         } else if(ch-- == 0) {
 830                 if(drec != NULL) {
 831                         drec->get_context_noise_play()->set_volume(0, decibel_l, decibel_r);
 832                         drec->get_context_noise_stop()->set_volume(0, decibel_l, decibel_r);
 833                         drec->get_context_noise_fast()->set_volume(0, decibel_l, decibel_r);
 834                 }
 835         }
 836 }
 837 #endif
 838
 839 // ----------------------------------------------------------------------------
 840 // notify key
 841 // ----------------------------------------------------------------------------
 842
 843 void VM::key_down(int code, bool repeat)
 844 {
 845         if(!repeat) {
 846                 keyboard->key_down(code);
 847         }
 848 }
 849
 850 void VM::key_up(int code)
 851 {
 852         keyboard->key_up(code);
 853 }
 854
 855 bool VM::get_caps_locked()
 856 {
 857         return keyboard->get_caps_locked();
 858 }
 859
 860 bool VM::get_kana_locked()
 861 {
 862         return keyboard->get_kana_locked();
 863 }
 864
 865 // Get INS status.Important with FM-7 series (^_^;
 866 uint32_t VM::get_extra_leds()
 867 {
 868         return keyboard->read_signal(SIG_FM7KEY_LED_STATUS);
 869 }
 870
 871
 872 // ----------------------------------------------------------------------------
 873 // user interface
 874 // ----------------------------------------------------------------------------
 875
 876 void VM::open_floppy_disk(int drv, const _TCHAR* file_path, int bank)
 877 {
 878         if(fdc != NULL) {
 879                 fdc->open_disk(drv, file_path, bank);
 880         }
 881 }
 882
 883 void VM::close_floppy_disk(int drv)
 884 {
 885         if(fdc != NULL) {
 886                 fdc->close_disk(drv);
 887         }
 888 }
 889
 890 bool VM::is_floppy_disk_inserted(int drv)
 891 {
 892         if(fdc != NULL) {
 893                 return fdc->is_disk_inserted(drv);
 894         } else {
 895                 return false;
 896         }
 897 }
 898
 899 void VM::is_floppy_disk_protected(int drv, bool value)
 900 {
 901         if(fdc != NULL) {
 902                 fdc->is_disk_protected(drv, value);
 903         }
 904 }
 905
 906 bool VM::is_floppy_disk_protected(int drv)
 907 {
 908         if(fdc != NULL) {
 909                 return fdc->is_disk_protected(drv);
 910         } else {
 911                 return false;
 912         }
 913 }
 914
 915 uint32_t VM::is_floppy_disk_accessed()
 916 {
 917         // WILLFIX : Multiple FDC for 1M FD.
 918 #if defined(_FM8) || (_FM7) || (_FMNEW7)
 919         if(connect_320kfdc || connect_1Mfdc) {
 920 #endif
 921                 return fdc->read_signal(0);
 922 #if defined(_FM8) || (_FM7) || (_FMNEW7)
 923         } else {
 924                 return 0x00000000;
 925         }
 926 #endif
 927 }
 928
 929 void VM::play_tape(int drv, const _TCHAR* file_path)
 930 {
 931         if(drec != NULL) drec->play_tape(file_path);
 932 }
 933
 934 void VM::rec_tape(int drv, const _TCHAR* file_path)
 935 {
 936         if(drec != NULL) drec->rec_tape(file_path);
 937 }
 938
 939 void VM::close_tape(int drv)
 940 {
 941         emu->lock_vm();
 942         if(drec != NULL) drec->close_tape();
 943         emu->unlock_vm();
 944 }
 945
 946 bool VM::is_tape_inserted(int drv)
 947 {
 948         if(drec != NULL) {
 949                 return drec->is_tape_inserted();
 950         }
 951         return false;
 952 }
 953
 954 bool VM::is_tape_playing(int drv)
 955 {
 956         if(drec != NULL) {
 957                 return drec->is_tape_playing();
 958         }
 959         return false;
 960 }
 961
 962 bool VM::is_tape_recording(int drv)
 963 {
 964         if(drec != NULL) {
 965                 return drec->is_tape_recording();
 966         }
 967         return false;
 968 }
 969
 970 int VM::get_tape_position(int drv)
 971 {
 972         if(drec != NULL) {
 973                 return drec->get_tape_position();
 974         }
 975         return 0;
 976 }
 977
 978 const _TCHAR* VM::get_tape_message(int drv)
 979 {
 980         if(drec != NULL) {
 981                 return drec->get_message();
 982         }
 983         return NULL;
 984 }
 985
 986 void VM::push_play(int drv)
 987 {
 988         if(drec != NULL) {
 989                 drec->set_ff_rew(0);
 990                 drec->set_remote(true);
 991         }
 992 }
 993
 994
 995 void VM::push_stop(int drv)
 996 {
 997         if(drec != NULL) {
 998                 drec->set_remote(false);
 999         }
1000 }
1001
1002 void VM::push_fast_forward(int drv)
1003 {
1004         if(drec != NULL) {
1005                 drec->set_ff_rew(1);
1006                 drec->set_remote(true);
1007         }
1008 }
1009
1010 void VM::push_fast_rewind(int drv)
1011 {
1012         if(drec != NULL) {
1013                 drec->set_ff_rew(-1);
1014                 drec->set_remote(true);
1015         }
1016 }
1017
1018 void VM::push_apss_forward(int drv)
1019 {
1020         if(drec != NULL) {
1021                 drec->do_apss(1);
1022         }
1023 }
1024
1025 void VM::push_apss_rewind(int drv)
1026 {
1027         if(drec != NULL) {
1028                 drec->do_apss(-1);
1029         }
1030 }
1031
1032 bool VM::is_frame_skippable()
1033 {
1034         return event->is_frame_skippable();
1035 }
1036
1037 void VM::update_dipswitch()
1038 {
1039 #if defined(WITH_Z80)
1040         g_intr_irq->write_signal(SIG_AND_BIT_0, ((config.dipswitch & FM7_DIPSW_Z80_IRQ_ON) != 0) ? 1 : 0, 1);
1041         g_intr_firq->write_signal(SIG_AND_BIT_0, ((config.dipswitch & FM7_DIPSW_Z80_FIRQ_ON) != 0) ? 1 : 0, 1);
1042         g_nmi->write_signal(SIG_AND_BIT_0, ((config.dipswitch & FM7_DIPSW_Z80_NMI_ON) != 0) ? 1 : 0, 1);
1043 #endif
1044 }
1045
1046 void VM::set_cpu_clock(DEVICE *cpu, uint32_t clocks) {
1047         event->set_secondary_cpu_clock(cpu, clocks);
1048 }
1049
1050 #if defined(USE_BUBBLE1)
1051 void VM::open_bubble_casette(int drv, const _TCHAR *path, int bank)
1052 {
1053         if((drv >= 2) || (drv < 0)) return;
1054         if(bubble_casette[drv] == NULL) return;
1055         bubble_casette[drv]->open((_TCHAR *)path, bank);
1056 }
1057
1058 void VM::close_bubble_casette(int drv)
1059 {
1060         if((drv >= 2) || (drv < 0)) return;
1061         if(bubble_casette[drv] == NULL) return;
1062         bubble_casette[drv]->close();
1063 }
1064
1065 bool VM::is_bubble_casette_inserted(int drv)
1066 {
1067         if((drv >= 2) || (drv < 0)) return false;
1068         if(bubble_casette[drv] == NULL) return false;
1069         return bubble_casette[drv]->is_bubble_inserted();
1070 }
1071
1072 bool VM::is_bubble_casette_protected(int drv)
1073 {
1074         if((drv >= 2) || (drv < 0)) return false;
1075         if(bubble_casette[drv] == NULL) return false;
1076         return bubble_casette[drv]->is_bubble_protected();
1077 }
1078
1079 void VM::is_bubble_casette_protected(int drv, bool flag)
1080 {
1081         if((drv >= 2) || (drv < 0)) return;
1082         if(bubble_casette[drv] == NULL) return;
1083         bubble_casette[drv]->set_bubble_protect(flag);
1084 }
1085 #endif
1086
1087
1088 #define STATE_VERSION   8
1089 void VM::save_state(FILEIO* state_fio)
1090 {
1091         state_fio->FputUint32_BE(STATE_VERSION);
1092         state_fio->FputBool(connect_320kfdc);
1093         state_fio->FputBool(connect_1Mfdc);
1094         for(DEVICE* device = first_device; device; device = device->next_device) {
1095                 const char *name = typeid(*device).name() + 6; // skip "class "
1096
1097                 state_fio->FputInt32(strlen(name));
1098                 state_fio->Fwrite(name, strlen(name), 1);
1099                 device->save_state(state_fio);
1100         }
1101 }
1102
1103 bool VM::load_state(FILEIO* state_fio)
1104 {
1105         uint32_t version = state_fio->FgetUint32_BE();
1106         if(version != STATE_VERSION) {
1107                 return false;
1108         }
1109         connect_320kfdc = state_fio->FgetBool();
1110         connect_1Mfdc = state_fio->FgetBool();
1111         for(DEVICE* device = first_device; device; device = device->next_device) {
1112                 const char *name = typeid(*device).name() + 6; // skip "class "
1113
1114                 if(!(state_fio->FgetInt32() == strlen(name) && state_fio->Fcompare(name, strlen(name)))) {
1115                         printf("Load Error: DEVID=%d\n", device->this_device_id);
1116                         return false;
1117                 }
1118                 if(!device->load_state(state_fio)) {
1119                         printf("Load Error: DEVID=%d\n", device->this_device_id);
1120                         return false;
1121                 }
1122         }
1123         return true;
1124 }
1125
1126 #ifdef USE_DIG_RESOLUTION
1127 void VM::get_screen_resolution(int *w, int *h)
1128 {
1129         switch(display->get_screen_mode()) {
1130         case DISPLAY_MODE_8_200L:
1131         case DISPLAY_MODE_8_200L_TEXT:
1132                 *w = 640;
1133                 *h = 200;
1134                 break;
1135         case DISPLAY_MODE_8_400L:
1136         case DISPLAY_MODE_8_400L_TEXT:
1137                 *w = 640;
1138                 *h = 400;
1139                 break;
1140         case DISPLAY_MODE_4096:
1141         case DISPLAY_MODE_256k:
1142                 *w = 320;
1143                 *h = 200;
1144                 break;
1145         default:
1146                 *w = 640;
1147                 *h = 200;
1148                 break;
1149         }
1150 }
1151 #endif
1152
1153 bool VM::is_screen_changed()
1154 {
1155         bool f = true;
1156 #if defined(USE_MINIMUM_RENDERING)
1157         f = display->screen_update();
1158         display->reset_screen_update();
1159 #endif
1160         return f;
1161 }