source/src/vm/mz80k/mz80k.cpp

   1 /*
   2         SHARP MZ-80K/C Emulator 'EmuZ-80K'
   3         SHARP MZ-1200 Emulator 'EmuZ-1200'
   4
   5         Author : Takeda.Toshiya
   6         Date   : 2010.08.18-
   7
   8         SHARP MZ-80A Emulator 'EmuZ-80A'
   9         Modify : Hideki Suga
  10         Date   : 2014.12.10 -
  11
  12         [ virtual machine ]
  13 */
  14
  15 #include "mz80k.h"
  16 #include "../../emu.h"
  17 #include "../device.h"
  18 #include "../event.h"
  19
  20 #if defined(_MZ1200) || defined(_MZ80A)
  21 #include "../and.h"
  22 #endif
  23 #include "../datarec.h"
  24 #include "../i8253.h"
  25 #include "../i8255.h"
  26 #include "../ls393.h"
  27 #include "../mz1p17.h"
  28 #include "../noise.h"
  29 #include "../pcm1bit.h"
  30 #include "../prnfile.h"
  31 #include "../z80.h"
  32
  33 #ifdef USE_DEBUGGER
  34 #include "../debugger.h"
  35 #endif
  36
  37 #include "keyboard.h"
  38 #include "memory.h"
  39 #include "printer.h"
  40
  41 #if defined(SUPPORT_MZ80AIF)
  42 #include "../io.h"
  43 #include "../disk.h"
  44 #include "../mb8877.h"
  45 #include "mz80aif.h"
  46 #elif defined(SUPPORT_MZ80FIO)
  47 #include "../io.h"
  48 #include "../disk.h"
  49 #include "../t3444a.h"
  50 #include "mz80fio.h"
  51 #endif
  52
  53 // ----------------------------------------------------------------------------
  54 // initialize
  55 // ----------------------------------------------------------------------------
  56
  57 VM::VM(EMU* parent_emu) : VM_TEMPLATE(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 #if defined(_MZ1200) || defined(_MZ80A)
  66         and_int = new AND(this, emu);
  67         and_int->set_device_name(_T("AND Gate (Interrupts)"));
  68 #endif
  69         drec = new DATAREC(this, emu);
  70         drec->set_context_noise_play(new NOISE(this, emu));
  71         drec->set_context_noise_stop(new NOISE(this, emu));
  72         drec->set_context_noise_fast(new NOISE(this, emu));
  73         ctc = new I8253(this, emu);
  74         pio = new I8255(this, emu);
  75         counter = new LS393(this, emu);
  76         pcm = new PCM1BIT(this, emu);
  77         cpu = new Z80(this, emu);
  78         counter->set_device_name(_T("74LS393 Counter (CTC/Sound)"));
  79
  80         keyboard = new KEYBOARD(this, emu);
  81         memory = new MEMORY(this, emu);
  82         printer = new PRINTER(this, emu);
  83 #if defined(SUPPORT_MZ80AIF)
  84         io = new IO(this, emu);
  85         fdc = new MB8877(this, emu);    // mb8866
  86         fdc->set_context_noise_seek(new NOISE(this, emu));
  87         fdc->set_context_noise_head_down(new NOISE(this, emu));
  88         fdc->set_context_noise_head_up(new NOISE(this, emu));
  89         mz80aif = new MZ80AIF(this, emu);
  90 #elif defined(SUPPORT_MZ80FIO)
  91         io = new IO(this, emu);
  92         fdc = new T3444A(this, emu);    // t3444m
  93         fdc->set_context_noise_seek(new NOISE(this, emu));
  94         fdc->set_context_noise_head_down(new NOISE(this, emu));
  95         fdc->set_context_noise_head_up(new NOISE(this, emu));
  96         mz80fio = new MZ80FIO(this, emu);
  97 #endif
  98
  99         // set contexts
 100         event->set_context_cpu(cpu);
 101         event->set_context_sound(pcm);
 102         event->set_context_sound(drec);
 103 #if defined(SUPPORT_MZ80AIF) || defined(SUPPORT_MZ80FIO)
 104         event->set_context_sound(fdc->get_context_noise_seek());
 105         event->set_context_sound(fdc->get_context_noise_head_down());
 106         event->set_context_sound(fdc->get_context_noise_head_up());
 107 #endif
 108         event->set_context_sound(drec->get_context_noise_play());
 109         event->set_context_sound(drec->get_context_noise_stop());
 110         event->set_context_sound(drec->get_context_noise_fast());
 111
 112 #if defined(_MZ1200) || defined(_MZ80A)
 113         and_int->set_context_out(cpu, SIG_CPU_IRQ, 1);
 114         and_int->set_mask(SIG_AND_BIT_0 | SIG_AND_BIT_1);
 115 #endif
 116         drec->set_context_ear(pio, SIG_I8255_PORT_C, 0x20);
 117         drec->set_context_remote(pio, SIG_I8255_PORT_C, 0x10);
 118         ctc->set_context_ch0(counter, SIG_LS393_CLK, 1);
 119         ctc->set_context_ch1(ctc, SIG_I8253_CLOCK_2, 1);
 120 #if defined(_MZ1200) || defined(_MZ80A)
 121         ctc->set_context_ch2(and_int, SIG_AND_BIT_0, 1);
 122 #else
 123         ctc->set_context_ch2(cpu, SIG_CPU_IRQ, 1);
 124 #endif
 125         ctc->set_constant_clock(0, 2000000);
 126         ctc->set_constant_clock(1, 31250);
 127         pio->set_context_port_a(keyboard, SIG_KEYBOARD_COLUMN, 0x0f, 0);
 128         pio->set_context_port_c(memory, SIG_MEMORY_VGATE, 1, 0);
 129         pio->set_context_port_c(drec, SIG_DATAREC_MIC, 2, 0);
 130 #if defined(_MZ1200) || defined(_MZ80A)
 131         pio->set_context_port_c(and_int, SIG_AND_BIT_1, 4, 0);
 132 #endif
 133         pio->set_context_port_c(drec, SIG_DATAREC_TRIG, 8, 0);
 134         counter->set_context_1qa(pcm, SIG_PCM1BIT_SIGNAL, 1);
 135         // Sound:: Force realtime rendering. This is temporally fix. 20161024 K.O
 136         //pcm->set_realtime_render(true);
 137
 138         keyboard->set_context_pio(pio);
 139         memory->set_context_ctc(ctc);
 140         memory->set_context_pio(pio);
 141
 142 #if defined(SUPPORT_MZ80AIF)
 143         fdc->set_context_irq(memory, SIG_MEMORY_FDC_IRQ, 1);
 144         fdc->set_context_drq(memory, SIG_MEMORY_FDC_DRQ, 1);
 145         mz80aif->set_context_fdc(fdc);
 146 #elif defined(SUPPORT_MZ80FIO)
 147         mz80fio->set_context_fdc(fdc);
 148 #endif
 149
 150         if(config.printer_type == 0) {
 151                 printer->set_context_prn(new PRNFILE(this, emu));
 152         } else if(config.printer_type == 1) {
 153                 MZ1P17 *mz1p17 = new MZ1P17(this, emu);
 154                 mz1p17->mode = MZ1P17_MODE_MZ80P4;
 155                 printer->set_context_prn(mz1p17);
 156         } else {
 157                 printer->set_context_prn(dummy);
 158         }
 159
 160         // cpu bus
 161         cpu->set_context_mem(memory);
 162 #if defined(SUPPORT_MZ80AIF) || defined(SUPPORT_MZ80FIO)
 163         cpu->set_context_io(io);
 164 #else
 165         cpu->set_context_io(dummy);
 166 #endif
 167         cpu->set_context_intr(dummy);
 168 #ifdef USE_DEBUGGER
 169         cpu->set_context_debugger(new DEBUGGER(this, emu));
 170 #endif
 171
 172         // i/o bus
 173 #if defined(SUPPORT_MZ80AIF)
 174         io->set_iomap_range_rw(0xd8, 0xdb, fdc);
 175         io->set_iomap_range_w(0xdc, 0xdd, mz80aif);
 176 #elif defined(SUPPORT_MZ80FIO)
 177         io->set_iomap_range_rw(0xf8, 0xfb, mz80fio);
 178 #endif
 179         io->set_iomap_range_rw(0xfe, 0xff, printer);
 180
 181         // initialize all devices
 182 #if defined(__GIT_REPO_VERSION)
 183         strncpy(_git_revision, __GIT_REPO_VERSION, sizeof(_git_revision) - 1);
 184 #endif
 185         for(DEVICE* device = first_device; device; device = device->next_device) {
 186                 device->initialize();
 187         }
 188         decl_state();
 189 }
 190
 191 VM::~VM()
 192 {
 193         // delete all devices
 194         for(DEVICE* device = first_device; device;) {
 195                 DEVICE *next_device = device->next_device;
 196                 device->release();
 197                 delete device;
 198                 device = next_device;
 199         }
 200 #if defined(SUPPORT_MZ80AIF)
 201         for(int drv = 0; drv < MAX_DRIVE; drv++) {
 202 //              if(config.drive_type) {
 203                         fdc->set_drive_type(drv, DRIVE_TYPE_2DD);
 204 //              } else {
 205 //                      fdc->set_drive_type(drv, DRIVE_TYPE_2D);
 206 //              }
 207         }
 208 #elif defined(SUPPORT_MZ80FIO)
 209         for(int drv = 0; drv < MAX_DRIVE; drv++) {
 210                 fdc->set_drive_type(drv, DRIVE_TYPE_2D);
 211 //              fdc->set_drive_mfm(drv, false);
 212         }
 213 #endif
 214 }
 215
 216 DEVICE* VM::get_device(int id)
 217 {
 218         for(DEVICE* device = first_device; device; device = device->next_device) {
 219                 if(device->this_device_id == id) {
 220                         return device;
 221                 }
 222         }
 223         return NULL;
 224 }
 225
 226 // ----------------------------------------------------------------------------
 227 // drive virtual machine
 228 // ----------------------------------------------------------------------------
 229
 230 void VM::reset()
 231 {
 232         // reset all devices
 233         for(DEVICE* device = first_device; device; device = device->next_device) {
 234                 device->reset();
 235         }
 236 #if defined(_MZ1200) || defined(_MZ80A)
 237         and_int->write_signal(SIG_AND_BIT_0, 0, 1);     // CLOCK = L
 238         and_int->write_signal(SIG_AND_BIT_1, 1, 1);     // INTMASK = H
 239 #endif
 240 }
 241
 242 void VM::run()
 243 {
 244         event->drive();
 245 }
 246
 247 // ----------------------------------------------------------------------------
 248 // debugger
 249 // ----------------------------------------------------------------------------
 250
 251 #ifdef USE_DEBUGGER
 252 DEVICE *VM::get_cpu(int index)
 253 {
 254         if(index == 0) {
 255                 return cpu;
 256         }
 257         return NULL;
 258 }
 259 #endif
 260
 261 // ----------------------------------------------------------------------------
 262 // draw screen
 263 // ----------------------------------------------------------------------------
 264
 265 void VM::draw_screen()
 266 {
 267         memory->draw_screen();
 268 }
 269
 270 // ----------------------------------------------------------------------------
 271 // soud manager
 272 // ----------------------------------------------------------------------------
 273
 274 void VM::initialize_sound(int rate, int samples)
 275 {
 276         // init sound manager
 277         event->initialize_sound(rate, samples);
 278
 279         // init sound gen
 280         pcm->initialize_sound(rate, 8000);
 281 }
 282
 283 uint16_t* VM::create_sound(int* extra_frames)
 284 {
 285         return event->create_sound(extra_frames);
 286 }
 287
 288 int VM::get_sound_buffer_ptr()
 289 {
 290         return event->get_sound_buffer_ptr();
 291 }
 292
 293 #ifdef USE_SOUND_VOLUME
 294 void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
 295 {
 296         if(ch-- == 0) {
 297                 pcm->set_volume(0, decibel_l, decibel_r);
 298         } else if(ch-- == 0) {
 299                 drec->set_volume(0, decibel_l, decibel_r);
 300 #if defined(SUPPORT_MZ80AIF) || defined(SUPPORT_MZ80FIO)
 301         } else if(ch-- == 0) {
 302                 fdc->get_context_noise_seek()->set_volume(0, decibel_l, decibel_r);
 303                 fdc->get_context_noise_head_down()->set_volume(0, decibel_l, decibel_r);
 304                 fdc->get_context_noise_head_up()->set_volume(0, decibel_l, decibel_r);
 305 #endif
 306         } else if(ch-- == 0) {
 307                 drec->get_context_noise_play()->set_volume(0, decibel_l, decibel_r);
 308                 drec->get_context_noise_stop()->set_volume(0, decibel_l, decibel_r);
 309                 drec->get_context_noise_fast()->set_volume(0, decibel_l, decibel_r);
 310         }
 311 }
 312 #endif
 313
 314 // ----------------------------------------------------------------------------
 315 // notify key
 316 // ----------------------------------------------------------------------------
 317
 318 void VM::key_down(int code, bool repeat)
 319 {
 320         if(!repeat) {
 321                 keyboard->key_down(code);
 322         }
 323 }
 324
 325 void VM::key_up(int code)
 326 {
 327 //      keyboard->key_up(code);
 328 }
 329
 330 bool VM::get_caps_locked()
 331 {
 332         return keyboard->get_caps_locked();
 333 }
 334
 335 bool VM::get_kana_locked()
 336 {
 337         return keyboard->get_kana_locked();
 338 }
 339
 340 // ----------------------------------------------------------------------------
 341 // user interface
 342 // ----------------------------------------------------------------------------
 343
 344 #if defined(SUPPORT_MZ80AIF) || defined(SUPPORT_MZ80FIO)
 345 void VM::open_floppy_disk(int drv, const _TCHAR* file_path, int bank)
 346 {
 347         fdc->open_disk(drv, file_path, bank);
 348
 349 #if defined(SUPPORT_MZ80AIF)
 350         if(fdc->get_media_type(drv) == MEDIA_TYPE_2DD) {
 351                 if(fdc->get_drive_type(drv) == DRIVE_TYPE_2D) {
 352                         fdc->set_drive_type(drv, DRIVE_TYPE_2DD);
 353                 }
 354         } else if(fdc->get_media_type(drv) == MEDIA_TYPE_2D) {
 355                 if(fdc->get_drive_type(drv) == DRIVE_TYPE_2DD) {
 356                         fdc->set_drive_type(drv, DRIVE_TYPE_2D);
 357                 }
 358         }
 359 #endif
 360 }
 361
 362 void VM::close_floppy_disk(int drv)
 363 {
 364         fdc->close_disk(drv);
 365 }
 366
 367 bool VM::is_floppy_disk_inserted(int drv)
 368 {
 369         return fdc->is_disk_inserted(drv);
 370 }
 371
 372 void VM::is_floppy_disk_protected(int drv, bool value)
 373 {
 374         fdc->is_disk_protected(drv, value);
 375 }
 376
 377 bool VM::is_floppy_disk_protected(int drv)
 378 {
 379         return fdc->is_disk_protected(drv);
 380 }
 381
 382 uint32_t VM::is_floppy_disk_accessed()
 383 {
 384         return fdc->read_signal(0);
 385 }
 386 #endif
 387
 388
 389 void VM::play_tape(int drv, const _TCHAR* file_path)
 390 {
 391         drec->play_tape(file_path);
 392 //      drec->set_remote(true);
 393 }
 394
 395 void VM::rec_tape(int drv, const _TCHAR* file_path)
 396 {
 397         drec->rec_tape(file_path);
 398 //      drec->set_remote(true);
 399 }
 400
 401 void VM::close_tape(int drv)
 402 {
 403         emu->lock_vm();
 404         drec->close_tape();
 405         emu->unlock_vm();
 406 //      drec->set_remote(false);
 407 }
 408
 409 bool VM::is_tape_inserted(int drv)
 410 {
 411         return drec->is_tape_inserted();
 412 }
 413
 414 bool VM::is_tape_playing(int drv)
 415 {
 416         return drec->is_tape_playing();
 417 }
 418
 419 bool VM::is_tape_recording(int drv)
 420 {
 421         return drec->is_tape_recording();
 422 }
 423
 424 int VM::get_tape_position(int drv)
 425 {
 426         return drec->get_tape_position();
 427 }
 428
 429 const _TCHAR* VM::get_tape_message(int drv)
 430 {
 431         return drec->get_message();
 432 }
 433
 434 void VM::push_play(int drv)
 435 {
 436         drec->set_ff_rew(0);
 437         drec->set_remote(true);
 438 }
 439
 440 void VM::push_stop(int drv)
 441 {
 442         drec->set_remote(false);
 443 }
 444
 445 void VM::push_fast_forward(int drv)
 446 {
 447         drec->set_ff_rew(1);
 448         drec->set_remote(true);
 449 }
 450
 451 void VM::push_fast_rewind(int drv)
 452 {
 453         drec->set_ff_rew(-1);
 454         drec->set_remote(true);
 455 }
 456
 457 bool VM::is_frame_skippable()
 458 {
 459         return event->is_frame_skippable();
 460 }
 461
 462 void VM::update_config()
 463 {
 464         for(DEVICE* device = first_device; device; device = device->next_device) {
 465                 device->update_config();
 466         }
 467 }
 468
 469 #define STATE_VERSION   7
 470
 471 #include "../../statesub.h"
 472 #include "../../qt/gui/csp_logger.h"
 473 extern CSP_Logger DLL_PREFIX_I *csp_logger;
 474
 475 void VM::decl_state(void)
 476 {
 477         state_entry = new csp_state_utils(STATE_VERSION, 0, (_TCHAR *)(_T("CSP::MZ80_SERIES_HEAD")), csp_logger);
 478
 479         for(DEVICE* device = first_device; device; device = device->next_device) {
 480                 device->decl_state();
 481         }
 482 }
 483
 484 void VM::save_state(FILEIO* state_fio)
 485 {
 486         //state_fio->FputUint32(STATE_VERSION);
 487         if(state_entry != NULL) {
 488                 state_entry->save_state(state_fio);
 489         }
 490         for(DEVICE* device = first_device; device; device = device->next_device) {
 491                 device->save_state(state_fio);
 492         }
 493 }
 494
 495 bool VM::load_state(FILEIO* state_fio)
 496 {
 497         bool mb = false;
 498         if(state_entry != NULL) {
 499                 mb = state_entry->load_state(state_fio);
 500         }
 501         if(!mb) return false;
 502         //if(state_fio->FgetUint32() != STATE_VERSION) {
 503         //      return false;
 504         //}
 505         for(DEVICE* device = first_device; device; device = device->next_device) {
 506                 if(!device->load_state(state_fio)) {
 507                         return false;
 508                 }
 509         }
 510         return true;
 511 }
 512
 513 bool VM::process_state(FILEIO* state_fio, bool loading)
 514 {
 515         if(!state_fio->StateCheckUint32(STATE_VERSION)) {
 516                 return false;
 517         }
 518         for(DEVICE* device = first_device; device; device = device->next_device) {
 519                 const char *name = typeid(*device).name() + 6; // skip "class "
 520                 int len = strlen(name);
 521
 522                 if(!state_fio->StateCheckInt32(len)) {
 523                         return false;
 524                 }
 525                 if(!state_fio->StateCheckBuffer(name, len, 1)) {
 526                         return false;
 527                 }
 528                 if(!device->process_state(state_fio, loading)) {
 529                         return false;
 530                 }
 531         }
 532         return true;
 533 }