source/src/vm/mz2500/mz80b.cpp

   1 /*
   2         SHARP MZ-80B Emulator 'EmuZ-80B'
   3         SHARP MZ-2200 Emulator 'EmuZ-2200'
   4
   5         Author : Takeda.Toshiya
   6         Date   : 2013.03.14-
   7
   8         [ virtual machine ]
   9 */
  10
  11 #include "mz80b.h"
  12 #include "../../emu.h"
  13 #include "../device.h"
  14 #include "../event.h"
  15
  16 #include "../datarec.h"
  17 #include "../disk.h"
  18 #include "../i8253.h"
  19 #include "../i8255.h"
  20 #include "../io.h"
  21 #include "../mb8877.h"
  22 #include "../mz1p17.h"
  23 #include "../noise.h"
  24 #include "../pcm1bit.h"
  25 #include "../prnfile.h"
  26 #include "../z80.h"
  27 #include "../z80pio.h"
  28
  29 #ifdef USE_DEBUGGER
  30 #include "../debugger.h"
  31 #endif
  32
  33 #include "cmt.h"
  34 #include "floppy.h"
  35 #include "keyboard.h"
  36 #include "memory80b.h"
  37 #include "mz1r12.h"
  38 #include "mz1r13.h"
  39 #include "printer.h"
  40 #include "timer.h"
  41
  42 #ifdef SUPPORT_QUICK_DISK
  43 #include "../z80sio.h"
  44 #include "../mz700/quickdisk.h"
  45 #endif
  46
  47 #ifdef SUPPORT_16BIT_BOARD
  48 #include "../i286.h"
  49 #include "../i8259.h"
  50 #include "mz1m01.h"
  51 #endif
  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         dummy->set_device_name(_T("1st Dummy"));
  64
  65         drec = new DATAREC(this, emu);
  66         drec->set_context_noise_play(new NOISE(this, emu));
  67         drec->set_context_noise_stop(new NOISE(this, emu));
  68         drec->set_context_noise_fast(new NOISE(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         fdc->set_context_noise_seek(new NOISE(this, emu));
  74         fdc->set_context_noise_head_down(new NOISE(this, emu));
  75         fdc->set_context_noise_head_up(new NOISE(this, emu));
  76         pcm = new PCM1BIT(this, emu);
  77         cpu = new Z80(this, emu);
  78         pio = new Z80PIO(this, emu);
  79         pio_i->set_device_name(_T("i8255 PIO(CMT/CRTC)"));
  80         pio->set_device_name(_T("Z80 PIO(KEYBOARD/CRTC)"));
  81
  82         cmt = new CMT(this, emu);
  83         floppy = new FLOPPY(this, emu);
  84         keyboard = new KEYBOARD(this, emu);
  85         memory = new MEMORY(this, emu);
  86         mz1r12 = new MZ1R12(this, emu);
  87         mz1r13 = new MZ1R13(this, emu);
  88         printer = new PRINTER(this, emu);
  89         timer = new TIMER(this, emu);
  90
  91 #ifdef SUPPORT_QUICK_DISK
  92         sio = new Z80SIO(this, emu);
  93         qd = new QUICKDISK(this, emu);
  94         sio->set_device_name(_T("Z80 SIO(QD)"));
  95 #endif
  96
  97 #ifdef SUPPORT_16BIT_BOARD
  98         pio_to16 = new Z80PIO(this, emu);
  99         cpu_16 = new I286(this, emu);   // 8088
 100         pic_16 = new I8259(this, emu);
 101         mz1m01 = new MZ1M01(this, emu);
 102         pio_to16->set_device_name(_T("Z80 PIO(16BIT BOARD)"));
 103         cpu_16->set_device_name(_T("CPU i286(16BIT BOARD)"));
 104         pic_16->set_device_name(_T("i8259 PIC(16BIT BOARD)"));
 105 #endif
 106
 107         // set contexts
 108         event->set_context_cpu(cpu, config.cpu_type ? CPU_CLOCKS_HIGH : CPU_CLOCKS);
 109 #ifdef SUPPORT_16BIT_BOARD
 110         event->set_context_cpu(cpu_16, 5000000);
 111 #endif
 112         event->set_context_sound(pcm);
 113         event->set_context_sound(drec);
 114         event->set_context_sound(fdc->get_context_noise_seek());
 115         event->set_context_sound(fdc->get_context_noise_head_down());
 116         event->set_context_sound(fdc->get_context_noise_head_up());
 117         event->set_context_sound(drec->get_context_noise_play());
 118         event->set_context_sound(drec->get_context_noise_stop());
 119         event->set_context_sound(drec->get_context_noise_fast());
 120
 121         drec->set_context_ear(cmt, SIG_CMT_OUT, 1);
 122         drec->set_context_remote(cmt, SIG_CMT_REMOTE, 1);
 123         drec->set_context_end(cmt, SIG_CMT_END, 1);
 124         drec->set_context_top(cmt, SIG_CMT_TOP, 1);
 125
 126         pit->set_context_ch0(pit, SIG_I8253_CLOCK_1, 1);
 127         pit->set_context_ch1(pit, SIG_I8253_CLOCK_2, 1);
 128         pit->set_constant_clock(0, 31250);
 129         pio_i->set_context_port_a(cmt, SIG_CMT_PIO_PA, 0xff, 0);
 130         pio_i->set_context_port_a(memory, SIG_CRTC_REVERSE, 0x10, 0);
 131         pio_i->set_context_port_c(memory, SIG_CRTC_VGATE, 0x01, 0);
 132         pio_i->set_context_port_c(cmt, SIG_CMT_PIO_PC, 0xff, 0);
 133         pio_i->set_context_port_c(pcm, SIG_PCM1BIT_SIGNAL, 0x04, 0);
 134         // Sound:: Force realtime rendering. This is temporally fix. 20161024 K.O
 135         //pcm->set_realtime_render(true);
 136
 137         pio->set_context_port_a(memory, SIG_MEMORY_VRAM_SEL, 0xc0, 0);
 138         pio->set_context_port_a(memory, SIG_CRTC_WIDTH80, 0x20, 0);
 139         pio->set_context_port_a(keyboard, SIG_KEYBOARD_COLUMN, 0x1f, 0);
 140
 141         cmt->set_context_pio(pio_i);
 142         cmt->set_context_drec(drec);
 143         floppy->set_context_fdc(fdc);
 144         keyboard->set_context_pio_i(pio_i);
 145         keyboard->set_context_pio(pio);
 146         memory->set_context_cpu(cpu);
 147         memory->set_context_pio(pio_i);
 148         if(config.printer_type == 0) {
 149                 printer->set_context_prn(new PRNFILE(this, emu));
 150         } else if(config.printer_type == 1) {
 151                 MZ1P17 *mz1p17 = new MZ1P17(this, emu);
 152                 mz1p17->mode = MZ1P17_MODE_MZ1;
 153                 printer->set_context_prn(mz1p17);
 154         } else if(config.printer_type == 2) {
 155                 MZ1P17 *mz1p17 = new MZ1P17(this, emu);
 156                 mz1p17->mode = MZ1P17_MODE_MZ3;
 157                 printer->set_context_prn(mz1p17);
 158         } else {
 159                 printer->set_context_prn(dummy);
 160         }
 161         timer->set_context_pit(pit);
 162
 163 #ifdef SUPPORT_QUICK_DISK
 164         // Z80SIO:RTSA -> QD:WRGA
 165         sio->set_context_rts(0, qd, QUICKDISK_SIO_RTSA, 1);
 166         // Z80SIO:DTRB -> QD:MTON
 167         sio->set_context_dtr(1, qd, QUICKDISK_SIO_DTRB, 1);
 168         // Z80SIO:SENDA -> QD:RECV
 169         sio->set_context_sync(0, qd, QUICKDISK_SIO_SYNC, 1);
 170         sio->set_context_rxdone(0, qd, QUICKDISK_SIO_RXDONE, 1);
 171         sio->set_context_send(0, qd, QUICKDISK_SIO_DATA);
 172         sio->set_context_break(0, qd, QUICKDISK_SIO_BREAK, 1);
 173         // Z80SIO:CTSA <- QD:PROTECT
 174         // Z80SIO:DCDA <- QD:INSERT
 175         // Z80SIO:DCDB <- QD:HOE
 176         qd->set_context_sio(sio);
 177
 178         sio->set_tx_clock(0, 101562.5);
 179         sio->set_rx_clock(0, 101562.5);
 180         sio->set_tx_clock(1, 101562.5);
 181         sio->set_rx_clock(1, 101562.5);
 182 #endif
 183
 184 #ifdef SUPPORT_16BIT_BOARD
 185         pio_to16->set_context_port_a(mz1m01, SIG_MZ1M01_PORT_A, 0xff, 0);
 186         pio_to16->set_context_port_b(mz1m01, SIG_MZ1M01_PORT_B, 0x80, 0);
 187         pio_to16->set_context_ready_a(pic_16, SIG_I8259_IR0, 1);
 188         pio_to16->set_context_ready_b(pic_16, SIG_I8259_IR1, 1);
 189         pio_to16->set_context_port_b(pic_16, SIG_I8259_IR2, 0x80, 0);
 190         pio_to16->set_hand_shake(0, true);
 191         pio_to16->set_hand_shake(1, true);
 192         pic_16->set_context_cpu(cpu_16);
 193         cpu_16->set_context_mem(mz1m01);
 194         cpu_16->set_context_io(mz1m01);
 195         cpu_16->set_context_intr(pic_16);
 196 #ifdef USE_DEBUGGER
 197         cpu_16->set_context_debugger(new DEBUGGER(this, emu));
 198 #endif
 199
 200         mz1m01->set_context_cpu(cpu_16);
 201         mz1m01->set_context_pic(pic_16);
 202         mz1m01->set_context_pio(pio_to16);
 203 #endif
 204
 205         // cpu bus
 206         cpu->set_context_mem(memory);
 207         cpu->set_context_io(io);
 208
 209         // z80 family daisy chain
 210 #ifdef SUPPORT_16BIT_BOARD
 211         // FIXME: Z80PIO on MZ-1M01 is not daisy-chained to other Z80 family !!!
 212         cpu->set_context_intr(pio_to16);
 213         pio_to16->set_context_intr(cpu, 0);
 214         pio_to16->set_context_child(pio);
 215 #else
 216         cpu->set_context_intr(pio);
 217 #endif
 218         pio->set_context_intr(cpu, 1);
 219 #ifdef SUPPORT_QUICK_DISK
 220         pio->set_context_child(sio);
 221         sio->set_context_intr(cpu, 2);
 222 #endif
 223 #ifdef USE_DEBUGGER
 224         cpu->set_context_debugger(new DEBUGGER(this, emu));
 225 #endif
 226
 227         // i/o bus
 228         io->set_iomap_range_rw(0xb8, 0xbb, mz1r13);
 229 #ifdef SUPPORT_QUICK_DISK
 230         io->set_iomap_alias_rw(0xd0, sio, 0);
 231         io->set_iomap_alias_rw(0xd1, sio, 2);
 232         io->set_iomap_alias_rw(0xd2, sio, 1);
 233         io->set_iomap_alias_rw(0xd3, sio, 3);
 234 #endif
 235 #ifdef SUPPORT_16BIT_BOARD
 236         io->set_iomap_range_rw(0xd4, 0xd7, pio_to16);
 237 #endif
 238 #ifdef _MZ80B
 239         io->set_iomap_range_w(0xb4, 0xb4, memory);
 240 #endif
 241         io->set_iomap_range_rw(0xd8, 0xdb, fdc);
 242         io->set_iomap_range_w(0xdc, 0xdd, floppy);
 243         io->set_iomap_range_rw(0xe0, 0xe3, pio_i);
 244         io->set_iomap_range_rw(0xe4, 0xe7, pit);
 245         io->set_iomap_range_rw(0xe8, 0xeb, pio);
 246         io->set_iomap_range_w(0xf0, 0xf3, timer);
 247         io->set_iomap_range_w(0xf4, 0xf7, memory);
 248         io->set_iomap_range_rw(0xf8, 0xfa, mz1r12);
 249         io->set_iomap_range_rw(0xfe, 0xff, printer);
 250
 251         io->set_iowait_range_rw(0xd8, 0xdf, 1);
 252         io->set_iowait_range_rw(0xe8, 0xeb, 1);
 253
 254         // initialize all devices
 255         for(DEVICE* device = first_device; device; device = device->next_device) {
 256                 device->initialize();
 257         }
 258         decl_state();
 259 }
 260
 261 VM::~VM()
 262 {
 263         // delete all devices
 264         for(DEVICE* device = first_device; device;) {
 265                 DEVICE *next_device = device->next_device;
 266                 device->release();
 267                 delete device;
 268                 device = next_device;
 269         }
 270 }
 271
 272 DEVICE* VM::get_device(int id)
 273 {
 274         for(DEVICE* device = first_device; device; device = device->next_device) {
 275                 if(device->this_device_id == id) {
 276                         return device;
 277                 }
 278         }
 279         return NULL;
 280 }
 281
 282 // ----------------------------------------------------------------------------
 283 // drive virtual machine
 284 // ----------------------------------------------------------------------------
 285
 286 void VM::reset()
 287 {
 288         // reset all devices
 289         for(DEVICE* device = first_device; device; device = device->next_device) {
 290                 device->reset();
 291         }
 292         for(int i = 0; i < MAX_DRIVE; i++) {
 293                 if(config.drive_type) {
 294                         fdc->set_drive_type(i, DRIVE_TYPE_2DD);
 295                 } else {
 296                         fdc->set_drive_type(i, DRIVE_TYPE_2D);
 297                 }
 298         }
 299 }
 300
 301 void VM::special_reset()
 302 {
 303         // reset all devices
 304 //      for(DEVICE* device = first_device; device; device = device->next_device) {
 305 //              device->special_reset();
 306 //      }
 307         memory->special_reset();
 308         cpu->reset();
 309 #ifdef SUPPORT_16BIT_BOARD
 310         pio_to16->reset();
 311         cpu_16->reset();
 312         pic_16->reset();
 313         mz1m01->reset();
 314 #endif
 315 }
 316
 317 void VM::run()
 318 {
 319         event->drive();
 320 }
 321
 322 // ----------------------------------------------------------------------------
 323 // debugger
 324 // ----------------------------------------------------------------------------
 325
 326 #ifdef USE_DEBUGGER
 327 DEVICE *VM::get_cpu(int index)
 328 {
 329         if(index == 0) {
 330                 return cpu;
 331 #ifdef SUPPORT_16BIT_BOARD
 332         } else if(index == 1) {
 333                 return cpu_16;
 334 #endif
 335         }
 336         return NULL;
 337 }
 338 #endif
 339
 340 // ----------------------------------------------------------------------------
 341 // draw screen
 342 // ----------------------------------------------------------------------------
 343
 344 void VM::draw_screen()
 345 {
 346         memory->draw_screen();
 347 }
 348
 349 // ----------------------------------------------------------------------------
 350 // soud manager
 351 // ----------------------------------------------------------------------------
 352
 353 void VM::initialize_sound(int rate, int samples)
 354 {
 355         // init sound manager
 356         event->initialize_sound(rate, samples);
 357
 358         // init sound gen
 359         pcm->initialize_sound(rate, 8000);
 360 }
 361
 362 uint16_t* VM::create_sound(int* extra_frames)
 363 {
 364         return event->create_sound(extra_frames);
 365 }
 366
 367 int VM::get_sound_buffer_ptr()
 368 {
 369         return event->get_sound_buffer_ptr();
 370 }
 371
 372 #ifdef USE_SOUND_VOLUME
 373 void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
 374 {
 375         if(ch == 0) {
 376                 pcm->set_volume(0, decibel_l, decibel_r);
 377         } else if(ch == 1) {
 378                 drec->set_volume(0, decibel_l, decibel_r);
 379         } else if(ch == 2) {
 380                 fdc->get_context_noise_seek()->set_volume(0, decibel_l, decibel_r);
 381                 fdc->get_context_noise_head_down()->set_volume(0, decibel_l, decibel_r);
 382                 fdc->get_context_noise_head_up()->set_volume(0, decibel_l, decibel_r);
 383         } else if(ch == 3) {
 384                 drec->get_context_noise_play()->set_volume(0, decibel_l, decibel_r);
 385                 drec->get_context_noise_stop()->set_volume(0, decibel_l, decibel_r);
 386                 drec->get_context_noise_fast()->set_volume(0, decibel_l, decibel_r);
 387         }
 388 }
 389 #endif
 390
 391 // ----------------------------------------------------------------------------
 392 // user interface
 393 // ----------------------------------------------------------------------------
 394
 395 void VM::open_floppy_disk(int drv, const _TCHAR* file_path, int bank)
 396 {
 397         fdc->open_disk(drv, file_path, bank);
 398 }
 399
 400 void VM::close_floppy_disk(int drv)
 401 {
 402         fdc->close_disk(drv);
 403 }
 404
 405 bool VM::is_floppy_disk_inserted(int drv)
 406 {
 407         return fdc->is_disk_inserted(drv);
 408 }
 409
 410 void VM::is_floppy_disk_protected(int drv, bool value)
 411 {
 412         fdc->is_disk_protected(drv, value);
 413 }
 414
 415 bool VM::is_floppy_disk_protected(int drv)
 416 {
 417         return fdc->is_disk_protected(drv);
 418 }
 419
 420 uint32_t VM::is_floppy_disk_accessed()
 421 {
 422         return fdc->read_signal(0);
 423 }
 424
 425 #ifdef SUPPORT_QUICK_DISK
 426 void VM::open_quick_disk(int drv, const _TCHAR* file_path)
 427 {
 428         if(drv == 0) {
 429                 qd->open_disk(file_path);
 430         }
 431 }
 432
 433 void VM::close_quick_disk(int drv)
 434 {
 435         if(drv == 0) {
 436                 qd->close_disk();
 437         }
 438 }
 439
 440 bool VM::is_quick_disk_inserted(int drv)
 441 {
 442         if(drv == 0) {
 443                 return qd->is_disk_inserted();
 444         } else {
 445                 return false;
 446         }
 447 }
 448
 449 uint32_t VM::is_quick_disk_accessed()
 450 {
 451         return qd->read_signal(0);
 452 }
 453 #endif
 454
 455 void VM::play_tape(int drv, const _TCHAR* file_path)
 456 {
 457         if(check_file_extension(file_path, _T(".dat"))) {
 458                 memory->load_dat_image(file_path);
 459                 return;
 460         } else if(check_file_extension(file_path, _T(".mzt")) || check_file_extension(file_path, _T(".mzf"))) {
 461                 if(config.direct_load_mzt[0] && memory->load_mzt_image(file_path)) {
 462                         return;
 463                 }
 464         } else if(check_file_extension(file_path, _T(".mtw"))) {
 465                 memory->load_mzt_image(file_path);
 466         }
 467         bool value = drec->play_tape(file_path);
 468         cmt->close_tape();
 469         cmt->play_tape(value);
 470 }
 471
 472 void VM::rec_tape(int drv, const _TCHAR* file_path)
 473 {
 474         bool value = drec->rec_tape(file_path);
 475         cmt->close_tape();
 476         cmt->rec_tape(value);
 477 }
 478
 479 void VM::close_tape(int drv)
 480 {
 481         emu->lock_vm();
 482         drec->close_tape();
 483         cmt->close_tape();
 484         emu->unlock_vm();
 485 }
 486
 487 bool VM::is_tape_inserted(int drv)
 488 {
 489         return drec->is_tape_inserted();
 490 }
 491
 492 bool VM::is_tape_playing(int drv)
 493 {
 494         return drec->is_tape_playing();
 495 }
 496
 497 bool VM::is_tape_recording(int drv)
 498 {
 499         return drec->is_tape_recording();
 500 }
 501
 502 int VM::get_tape_position(int drv)
 503 {
 504         return drec->get_tape_position();
 505 }
 506
 507 const _TCHAR* VM::get_tape_message(int drv)
 508 {
 509         return drec->get_message();
 510 }
 511
 512 void VM::push_play(int drv)
 513 {
 514         drec->set_ff_rew(0);
 515         drec->set_remote(true);
 516 }
 517
 518 void VM::push_stop(int drv)
 519 {
 520         drec->set_remote(false);
 521 }
 522
 523 void VM::push_fast_forward(int drv)
 524 {
 525         drec->set_ff_rew(1);
 526         drec->set_remote(true);
 527 }
 528
 529 void VM::push_fast_rewind(int drv)
 530 {
 531         drec->set_ff_rew(-1);
 532         drec->set_remote(true);
 533 }
 534
 535 bool VM::is_frame_skippable()
 536 {
 537         return event->is_frame_skippable();
 538 }
 539
 540 void VM::update_config()
 541 {
 542         for(DEVICE* device = first_device; device; device = device->next_device) {
 543                 device->update_config();
 544         }
 545 }
 546
 547 #define STATE_VERSION   4
 548
 549 #include "../../statesub.h"
 550 #include "../../qt/gui/csp_logger.h"
 551 extern CSP_Logger DLL_PREFIX_I *csp_logger;
 552
 553 void VM::decl_state(void)
 554 {
 555         state_entry = new csp_state_utils(STATE_VERSION, 0, (_TCHAR *)(_T("CSP::MZ80B_SERIES_HEAD")), csp_logger);
 556         for(DEVICE* device = first_device; device; device = device->next_device) {
 557                 device->decl_state();
 558         }
 559 }
 560
 561 void VM::save_state(FILEIO* state_fio)
 562 {
 563         //state_fio->FputUint32(STATE_VERSION);
 564         if(state_entry != NULL) {
 565                 state_entry->save_state(state_fio);
 566         }
 567         for(DEVICE* device = first_device; device; device = device->next_device) {
 568                 device->save_state(state_fio);
 569         }
 570 }
 571
 572 bool VM::load_state(FILEIO* state_fio)
 573 {
 574         //if(state_fio->FgetUint32() != STATE_VERSION) {
 575         //      return false;
 576         //}
 577         bool mb = false;
 578         if(state_entry != NULL) {
 579                 mb = state_entry->load_state(state_fio);
 580         }
 581         if(!mb) return false;
 582         for(DEVICE* device = first_device; device; device = device->next_device) {
 583                 if(!device->load_state(state_fio)) {
 584                         return false;
 585                 }
 586         }
 587         return true;
 588 }
 589