source/src/vm/mz2500/mz2500.cpp

   1 /*
   2         SHARP MZ-2500 Emulator 'EmuZ-2500'
   3
   4         Author : Takeda.Toshiya
   5         Date   : 2006.11.24 -
   6
   7         [ virtual machine ]
   8 */
   9
  10 #include "mz2500.h"
  11 #include "../../emu.h"
  12 #include "../device.h"
  13 #include "../event.h"
  14
  15 #include "../datarec.h"
  16 #include "../disk.h"
  17 #include "../i8253.h"
  18 #include "../i8255.h"
  19 #include "../io.h"
  20 #include "../mb8877.h"
  21 #include "../mz1p17.h"
  22 #include "../pcm1bit.h"
  23 //#include "../pcpr201.h"
  24 #include "../prnfile.h"
  25 #include "../rp5c01.h"
  26 #include "../w3100a.h"
  27 #include "../ym2203.h"
  28 #include "../z80.h"
  29 #include "../z80pio.h"
  30 #include "../z80sio.h"
  31
  32 #ifdef USE_DEBUGGER
  33 #include "../debugger.h"
  34 #endif
  35
  36 #include "calendar.h"
  37 #include "cmt.h"
  38 #include "crtc.h"
  39 #include "floppy.h"
  40 #include "interrupt.h"
  41 #include "joystick.h"
  42 #include "keyboard.h"
  43 #include "memory.h"
  44 #include "mouse.h"
  45 #include "mz1e26.h"
  46 #include "mz1e30.h"
  47 #include "mz1r13.h"
  48 #include "mz1r37.h"
  49 #include "printer.h"
  50 #include "serial.h"
  51 #include "timer.h"
  52
  53 // ----------------------------------------------------------------------------
  54 // initialize
  55 // ----------------------------------------------------------------------------
  56
  57 VM::VM(EMU* parent_emu) : emu(parent_emu)
  58 {
  59         // create devices
  60         first_device = last_device = NULL;
  61         dummy = new DEVICE(this, emu);  // must be 1st device
  62         event = new EVENT(this, emu);   // must be 2nd device
  63 #if defined(_USE_QT)
  64         dummy->set_device_name(_T("1st Dummy"));
  65         event->set_device_name(_T("EVENT"));
  66 #endif
  67
  68         drec = new DATAREC(this, emu);
  69         pit = new I8253(this, emu);
  70         pio_i = new I8255(this, emu);
  71         io = new IO(this, emu);
  72         fdc = new MB8877(this, emu);
  73         pcm = new PCM1BIT(this, emu);
  74         rtc = new RP5C01(this, emu);    // RP-5C15
  75         w3100a = new W3100A(this, emu);
  76         opn = new YM2203(this, emu);
  77         cpu = new Z80(this, emu);
  78         pio = new Z80PIO(this, emu);
  79         sio = new Z80SIO(this, emu);
  80 #if defined(_USE_QT)
  81         opn->set_device_name(_T("YM2203 OPN"));
  82         cpu->set_device_name(_T("CPU(Z80)"));
  83         pio_i->set_device_name(_T("i8255 PIO(CMT/CRTC)"));
  84         pio->set_device_name(_T("Z80 PIO(KEYBOARD/CRTC)"));
  85         sio->set_device_name(_T("Z80 SIO(MOUSE)"));
  86 #endif
  87
  88         calendar = new CALENDAR(this, emu);
  89         cmt = new CMT(this, emu);
  90         crtc = new CRTC(this, emu);
  91         floppy = new FLOPPY(this, emu);
  92         interrupt = new INTERRUPT(this, emu);
  93         joystick = new JOYSTICK(this, emu);
  94         keyboard = new KEYBOARD(this, emu);
  95         memory = new MEMORY(this, emu);
  96         mouse = new MOUSE(this, emu);
  97         mz1e26 = new MZ1E26(this, emu);
  98         mz1e30 = new MZ1E30(this, emu);
  99         mz1r13 = new MZ1R13(this, emu);
 100         mz1r37 = new MZ1R37(this, emu);
 101         printer = new PRINTER(this, emu);
 102         serial = new SERIAL(this, emu);
 103         timer = new TIMER(this, emu);
 104 #if defined(_USE_QT)
 105         calendar->set_device_name(_T("CALENDAR"));
 106         cmt->set_device_name(_T("CMT I/F"));
 107         crtc->set_device_name(_T("CRT CONTROLLER"));
 108         floppy->set_device_name(_T("FLOPPY I/F"));
 109         interrupt->set_device_name(_T("INTERRUPT I/F"));
 110         joystick->set_device_name(_T("JOYSTICK I/F"));
 111         keyboard->set_device_name(_T("KEYBOARD I/F"));
 112         mouse->set_device_name(_T("MOUSE I/F"));
 113         printer->set_device_name(_T("PRINTER I/F"));
 114         serial->set_device_name(_T("SERIAL I/F"));
 115         timer->set_device_name(_T("TIMER I/F"));
 116         memory->set_device_name(_T("MEMORY I/F"));
 117 #endif
 118         // set contexts
 119         event->set_context_cpu(cpu);
 120         event->set_context_sound(opn);
 121         event->set_context_sound(pcm);
 122         event->set_context_sound(drec);
 123 #if defined(USE_SOUND_FILES)
 124         if(fdc->load_sound_data(MB8877_SND_TYPE_SEEK, _T("FDDSEEK.WAV"))) {
 125                 event->set_context_sound(fdc);
 126         }
 127         drec->load_sound_data(DATAREC_SNDFILE_EJECT, _T("CMTEJECT.WAV"));
 128         drec->load_sound_data(DATAREC_SNDFILE_PLAY, _T("CMTPLAY.WAV"));
 129         drec->load_sound_data(DATAREC_SNDFILE_STOP, _T("CMTSTOP.WAV"));
 130 #endif
 131
 132         drec->set_context_ear(cmt, SIG_CMT_OUT, 1);
 133         drec->set_context_remote(cmt, SIG_CMT_REMOTE, 1);
 134         drec->set_context_end(cmt, SIG_CMT_END, 1);
 135         drec->set_context_top(cmt, SIG_CMT_TOP, 1);
 136
 137         pit->set_context_ch0(interrupt, SIG_INTERRUPT_I8253, 1);
 138         pit->set_context_ch0(pit, SIG_I8253_CLOCK_1, 1);
 139         pit->set_context_ch1(pit, SIG_I8253_CLOCK_2, 1);
 140         pit->set_constant_clock(0, 31250);
 141         pio_i->set_context_port_a(cmt, SIG_CMT_PIO_PA, 0xff, 0);
 142         pio_i->set_context_port_c(cmt, SIG_CMT_PIO_PC, 0xff, 0);
 143         pio_i->set_context_port_c(crtc, SIG_CRTC_MASK, 0x01, 0);
 144         pio_i->set_context_port_c(pcm, SIG_PCM1BIT_SIGNAL, 0x04, 0);
 145         rtc->set_context_alarm(interrupt, SIG_INTERRUPT_RP5C15, 1);
 146         rtc->set_context_pulse(opn, SIG_YM2203_PORT_B, 8);
 147         opn->set_context_port_a(floppy, SIG_FLOPPY_REVERSE, 0x02, 0);
 148         opn->set_context_port_a(crtc, SIG_CRTC_PALLETE, 0x04, 0);
 149         opn->set_context_port_a(mouse, SIG_MOUSE_SEL, 0x08, 0);
 150         pio->set_context_port_a(crtc, SIG_CRTC_COLUMN_SIZE, 0x20, 0);
 151         pio->set_context_port_a(keyboard, SIG_KEYBOARD_COLUMN, 0x1f, 0);
 152         sio->set_context_dtr(1, mouse, SIG_MOUSE_DTR, 1);
 153
 154         calendar->set_context_rtc(rtc);
 155         cmt->set_context_pio(pio_i);
 156         cmt->set_context_drec(drec);
 157         crtc->set_context_mem(memory);
 158         crtc->set_context_int(interrupt);
 159         crtc->set_context_pio(pio_i);
 160         crtc->set_vram_ptr(memory->get_vram());
 161         crtc->set_tvram_ptr(memory->get_tvram());
 162         crtc->set_kanji_ptr(memory->get_kanji());
 163         crtc->set_pcg_ptr(memory->get_pcg());
 164         floppy->set_context_fdc(fdc);
 165         keyboard->set_context_pio_i(pio_i);
 166         keyboard->set_context_pio(pio);
 167         memory->set_context_cpu(cpu);
 168         memory->set_context_crtc(crtc);
 169         mouse->set_context_sio(sio);
 170         if(config.printer_device_type == 0) {
 171                 printer->set_context_prn(new PRNFILE(this, emu));
 172         } else if(config.printer_device_type == 1) {
 173                 MZ1P17 *mz1p17 = new MZ1P17(this, emu);
 174                 mz1p17->mode = MZ1P17_MODE_MZ1;
 175                 printer->set_context_prn(mz1p17);
 176 //      } else if(config.printer_device_type == 2) {
 177 //              printer->set_context_prn(new PCPR201(this, emu));
 178         } else {
 179                 printer->set_context_prn(dummy);
 180         }
 181         serial->set_context_sio(sio);
 182         timer->set_context_pit(pit);
 183
 184         // cpu bus
 185         cpu->set_context_mem(memory);
 186         cpu->set_context_io(io);
 187         cpu->set_context_intr(pio);
 188 #ifdef USE_DEBUGGER
 189         cpu->set_context_debugger(new DEBUGGER(this, emu));
 190 #endif
 191
 192         // z80 family daisy chain
 193         pio->set_context_intr(cpu, 0);
 194         pio->set_context_child(sio);
 195         sio->set_context_intr(cpu, 1);
 196         sio->set_context_child(interrupt);
 197         interrupt->set_context_intr(cpu, 2);
 198
 199         // i/o bus
 200         io->set_iomap_range_rw(0x60, 0x63, w3100a);
 201         io->set_iomap_range_rw(0xa0, 0xa3, serial);
 202         io->set_iomap_range_rw(0xa4, 0xa5, mz1e30);
 203         io->set_iomap_range_rw(0xa8, 0xa9, mz1e30);
 204         io->set_iomap_range_rw(0xac, 0xad, mz1r37);
 205         io->set_iomap_single_w(0xae, crtc);
 206         io->set_iomap_range_rw(0xb0, 0xb3, serial);
 207         io->set_iomap_range_rw(0xb4, 0xb5, memory);
 208         io->set_iomap_range_rw(0xb8, 0xb9, mz1r13);
 209         io->set_iomap_range_rw(0xbc, 0xbf, crtc);
 210         io->set_iomap_range_w(0xc6, 0xc7, interrupt);
 211         io->set_iomap_range_rw(0xc8, 0xc9, opn);
 212         io->set_iomap_single_rw(0xca, mz1e26);
 213         io->set_iomap_single_rw(0xcc, calendar);
 214         io->set_iomap_single_w(0xcd, serial);
 215         io->set_iomap_range_w(0xce, 0xcf, memory);
 216         io->set_iomap_range_rw(0xd8, 0xdb, fdc);
 217         io->set_iomap_range_w(0xdc, 0xdd, floppy);
 218         io->set_iomap_range_rw(0xe0, 0xe3, pio_i);
 219         io->set_iomap_range_rw(0xe4, 0xe7, pit);
 220         io->set_iomap_range_rw(0xe8, 0xeb, pio);
 221         io->set_iomap_single_rw(0xef, joystick);
 222         io->set_iomap_range_w(0xf0, 0xf3, timer);
 223         io->set_iomap_range_rw(0xf4, 0xf7, crtc);
 224         io->set_iomap_range_rw(0xfe, 0xff, printer);
 225
 226         io->set_iowait_range_rw(0xc8, 0xc9, 1);
 227         io->set_iowait_single_rw(0xcc, 3);
 228         io->set_iowait_range_rw(0xd8, 0xdf, 1);
 229         io->set_iowait_range_rw(0xe8, 0xeb, 1);
 230
 231         // initialize all devices
 232         for(DEVICE* device = first_device; device; device = device->next_device) {
 233                 device->initialize();
 234         }
 235         for(int i = 0; i < MAX_DRIVE; i++) {
 236                 fdc->set_drive_type(i, DRIVE_TYPE_2DD);
 237         }
 238         monitor_type = config.monitor_type;
 239 }
 240
 241 VM::~VM()
 242 {
 243         // delete all devices
 244         for(DEVICE* device = first_device; device;) {
 245                 DEVICE *next_device = device->next_device;
 246                 device->release();
 247                 delete device;
 248                 device = next_device;
 249         }
 250 }
 251
 252 DEVICE* VM::get_device(int id)
 253 {
 254         for(DEVICE* device = first_device; device; device = device->next_device) {
 255                 if(device->this_device_id == id) {
 256                         return device;
 257                 }
 258         }
 259         return NULL;
 260 }
 261
 262 // ----------------------------------------------------------------------------
 263 // drive virtual machine
 264 // ----------------------------------------------------------------------------
 265
 266 void VM::reset()
 267 {
 268         // reset all devices
 269         for(DEVICE* device = first_device; device; device = device->next_device) {
 270                 device->reset();
 271         }
 272
 273         // set initial port status
 274         opn->write_signal(SIG_YM2203_PORT_B, (monitor_type & 2) ? 0x77 : 0x37, 0xff);
 275 }
 276
 277 void VM::special_reset()
 278 {
 279         // reset all devices
 280 //      for(DEVICE* device = first_device; device; device = device->next_device) {
 281 //              device->special_reset();
 282 //      }
 283         memory->special_reset();
 284         cpu->reset();
 285 }
 286
 287 void VM::run()
 288 {
 289         event->drive();
 290 }
 291
 292 double VM::get_frame_rate()
 293 {
 294         return event->get_frame_rate();
 295 }
 296
 297 // ----------------------------------------------------------------------------
 298 // debugger
 299 // ----------------------------------------------------------------------------
 300
 301 #ifdef USE_DEBUGGER
 302 DEVICE *VM::get_cpu(int index)
 303 {
 304         if(index == 0) {
 305                 return cpu;
 306         }
 307         return NULL;
 308 }
 309 #endif
 310
 311 // ----------------------------------------------------------------------------
 312 // draw screen
 313 // ----------------------------------------------------------------------------
 314
 315 void VM::draw_screen()
 316 {
 317         crtc->draw_screen();
 318 }
 319
 320 uint32_t VM::get_access_lamp_status()
 321 {
 322         uint32_t status = fdc->read_signal(0) | mz1e30->read_signal(0);
 323         return (status & 0x30) ? 4 : (status & (1 | 4)) ? 1 : (status & (2 | 8)) ? 2 : 0;
 324 }
 325
 326 // ----------------------------------------------------------------------------
 327 // soud manager
 328 // ----------------------------------------------------------------------------
 329
 330 void VM::initialize_sound(int rate, int samples)
 331 {
 332         // init sound manager
 333         event->initialize_sound(rate, samples);
 334
 335         // init sound gen
 336         opn->initialize_sound(rate, 2000000, samples, 0, -8);
 337         pcm->initialize_sound(rate, 4096);
 338 }
 339
 340 uint16_t* VM::create_sound(int* extra_frames)
 341 {
 342         return event->create_sound(extra_frames);
 343 }
 344
 345 int VM::get_sound_buffer_ptr()
 346 {
 347         return event->get_sound_buffer_ptr();
 348 }
 349
 350 #ifdef USE_SOUND_VOLUME
 351 void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
 352 {
 353         if(ch == 0) {
 354                 opn->set_volume(0, decibel_l, decibel_r);
 355         } else if(ch == 1) {
 356                 opn->set_volume(1, decibel_l, decibel_r);
 357         } else if(ch == 2) {
 358                 pcm->set_volume(0, decibel_l, decibel_r);
 359         } else if(ch == 3) {
 360                 drec->set_volume(0, decibel_l, decibel_r);
 361         } else if(ch == 4) {
 362                 drec->set_volume(1, decibel_l, decibel_r);
 363         }
 364 }
 365 #endif
 366
 367 // ----------------------------------------------------------------------------
 368 // socket
 369 // ----------------------------------------------------------------------------
 370
 371 void VM::notify_socket_connected(int ch)
 372 {
 373         w3100a->notify_connected(ch);
 374 }
 375
 376 void VM::notify_socket_disconnected(int ch)
 377 {
 378         w3100a->notify_disconnected(ch);
 379 }
 380
 381 uint8_t* VM::get_socket_send_buffer(int ch, int* size)
 382 {
 383         return w3100a->get_send_buffer(ch, size);
 384 }
 385
 386 void VM::inc_socket_send_buffer_ptr(int ch, int size)
 387 {
 388         w3100a->inc_send_buffer_ptr(ch, size);
 389 }
 390
 391 uint8_t* VM::get_socket_recv_buffer0(int ch, int* size0, int* size1)
 392 {
 393         return w3100a->get_recv_buffer0(ch, size0, size1);
 394 }
 395
 396 uint8_t* VM::get_socket_recv_buffer1(int ch)
 397 {
 398         return w3100a->get_recv_buffer1(ch);
 399 }
 400
 401 void VM::inc_socket_recv_buffer_ptr(int ch, int size)
 402 {
 403         w3100a->inc_recv_buffer_ptr(ch, size);
 404 }
 405
 406 // ----------------------------------------------------------------------------
 407 // user interface
 408 // ----------------------------------------------------------------------------
 409
 410 void VM::open_floppy_disk(int drv, const _TCHAR* file_path, int bank)
 411 {
 412         fdc->open_disk(drv, file_path, bank);
 413 }
 414
 415 void VM::close_floppy_disk(int drv)
 416 {
 417         fdc->close_disk(drv);
 418 }
 419
 420 bool VM::is_floppy_disk_inserted(int drv)
 421 {
 422         return fdc->is_disk_inserted(drv);
 423 }
 424
 425 void VM::is_floppy_disk_protected(int drv, bool value)
 426 {
 427         fdc->is_disk_protected(drv, value);
 428 }
 429
 430 bool VM::is_floppy_disk_protected(int drv)
 431 {
 432         return fdc->is_disk_protected(drv);
 433 }
 434
 435 void VM::play_tape(const _TCHAR* file_path)
 436 {
 437         bool value = drec->play_tape(file_path);
 438         cmt->close_tape();
 439         cmt->play_tape(value);
 440 }
 441
 442 void VM::rec_tape(const _TCHAR* file_path)
 443 {
 444         bool value = drec->rec_tape(file_path);
 445         cmt->close_tape();
 446         cmt->rec_tape(value);
 447 }
 448
 449 void VM::close_tape()
 450 {
 451         emu->lock_vm();
 452         drec->close_tape();
 453         cmt->close_tape();
 454         emu->unlock_vm();
 455 }
 456
 457 bool VM::is_tape_inserted()
 458 {
 459         return drec->is_tape_inserted();
 460 }
 461
 462 bool VM::is_tape_playing()
 463 {
 464         return drec->is_tape_playing();
 465 }
 466
 467 bool VM::is_tape_recording()
 468 {
 469         return drec->is_tape_recording();
 470 }
 471
 472 int VM::get_tape_position()
 473 {
 474         return drec->get_tape_position();
 475 }
 476
 477 void VM::push_play()
 478 {
 479         drec->set_ff_rew(0);
 480         drec->set_remote(true);
 481 }
 482
 483 void VM::push_stop()
 484 {
 485         drec->set_remote(false);
 486 }
 487
 488 void VM::push_fast_forward()
 489 {
 490         drec->set_ff_rew(1);
 491         drec->set_remote(true);
 492 }
 493
 494 void VM::push_fast_rewind()
 495 {
 496         drec->set_ff_rew(-1);
 497         drec->set_remote(true);
 498 }
 499
 500 bool VM::is_frame_skippable()
 501 {
 502         return event->is_frame_skippable();
 503 }
 504
 505 void VM::update_config()
 506 {
 507         for(DEVICE* device = first_device; device; device = device->next_device) {
 508                 device->update_config();
 509         }
 510 }
 511
 512 #define STATE_VERSION   4
 513
 514 void VM::save_state(FILEIO* state_fio)
 515 {
 516         state_fio->FputUint32(STATE_VERSION);
 517
 518         for(DEVICE* device = first_device; device; device = device->next_device) {
 519                 device->save_state(state_fio);
 520         }
 521         state_fio->FputInt32(monitor_type);
 522 }
 523
 524 bool VM::load_state(FILEIO* state_fio)
 525 {
 526         if(state_fio->FgetUint32() != STATE_VERSION) {
 527                 return false;
 528         }
 529         for(DEVICE* device = first_device; device; device = device->next_device) {
 530                 if(!device->load_state(state_fio)) {
 531                         return false;
 532                 }
 533         }
 534         monitor_type = state_fio->FgetInt32();
 535         return true;
 536 }
 537