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         for(DEVICE* device = first_device; device; device = device->next_device) {
 183                 device->initialize();
 184         }
 185         decl_state();
 186 }
 187
 188 VM::~VM()
 189 {
 190         // delete all devices
 191         for(DEVICE* device = first_device; device;) {
 192                 DEVICE *next_device = device->next_device;
 193                 device->release();
 194                 delete device;
 195                 device = next_device;
 196         }
 197 }
 198
 199 DEVICE* VM::get_device(int id)
 200 {
 201         for(DEVICE* device = first_device; device; device = device->next_device) {
 202                 if(device->this_device_id == id) {
 203                         return device;
 204                 }
 205         }
 206         return NULL;
 207 }
 208
 209 // ----------------------------------------------------------------------------
 210 // drive virtual machine
 211 // ----------------------------------------------------------------------------
 212
 213 void VM::reset()
 214 {
 215         // reset all devices
 216         for(DEVICE* device = first_device; device; device = device->next_device) {
 217                 device->reset();
 218         }
 219 #if defined(SUPPORT_MZ80AIF)
 220         for(int i = 0; i < MAX_DRIVE; i++) {
 221                 if(config.drive_type) {
 222                         fdc->set_drive_type(i, DRIVE_TYPE_2DD);
 223                 } else {
 224                         fdc->set_drive_type(i, DRIVE_TYPE_2D);
 225                 }
 226         }
 227 #elif defined(SUPPORT_MZ80FIO)
 228         for(int i = 0; i < MAX_DRIVE; i++) {
 229                 fdc->set_drive_type(i, DRIVE_TYPE_2D);
 230 //              fdc->set_drive_mfm(i, false);
 231         }
 232 #endif
 233 #if defined(_MZ1200) || defined(_MZ80A)
 234         and_int->write_signal(SIG_AND_BIT_0, 0, 1);     // CLOCK = L
 235         and_int->write_signal(SIG_AND_BIT_1, 1, 1);     // INTMASK = H
 236 #endif
 237 }
 238
 239 void VM::run()
 240 {
 241         event->drive();
 242 }
 243
 244 // ----------------------------------------------------------------------------
 245 // debugger
 246 // ----------------------------------------------------------------------------
 247
 248 #ifdef USE_DEBUGGER
 249 DEVICE *VM::get_cpu(int index)
 250 {
 251         if(index == 0) {
 252                 return cpu;
 253         }
 254         return NULL;
 255 }
 256 #endif
 257
 258 // ----------------------------------------------------------------------------
 259 // draw screen
 260 // ----------------------------------------------------------------------------
 261
 262 void VM::draw_screen()
 263 {
 264         memory->draw_screen();
 265 }
 266
 267 // ----------------------------------------------------------------------------
 268 // soud manager
 269 // ----------------------------------------------------------------------------
 270
 271 void VM::initialize_sound(int rate, int samples)
 272 {
 273         // init sound manager
 274         event->initialize_sound(rate, samples);
 275
 276         // init sound gen
 277         pcm->initialize_sound(rate, 8000);
 278 }
 279
 280 uint16_t* VM::create_sound(int* extra_frames)
 281 {
 282         return event->create_sound(extra_frames);
 283 }
 284
 285 int VM::get_sound_buffer_ptr()
 286 {
 287         return event->get_sound_buffer_ptr();
 288 }
 289
 290 #ifdef USE_SOUND_VOLUME
 291 void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
 292 {
 293         if(ch-- == 0) {
 294                 pcm->set_volume(0, decibel_l, decibel_r);
 295         } else if(ch-- == 0) {
 296                 drec->set_volume(0, decibel_l, decibel_r);
 297 #if defined(SUPPORT_MZ80AIF) || defined(SUPPORT_MZ80FIO)
 298         } else if(ch-- == 0) {
 299                 fdc->get_context_noise_seek()->set_volume(0, decibel_l, decibel_r);
 300                 fdc->get_context_noise_head_down()->set_volume(0, decibel_l, decibel_r);
 301                 fdc->get_context_noise_head_up()->set_volume(0, decibel_l, decibel_r);
 302 #endif
 303         } else if(ch-- == 0) {
 304                 drec->get_context_noise_play()->set_volume(0, decibel_l, decibel_r);
 305                 drec->get_context_noise_stop()->set_volume(0, decibel_l, decibel_r);
 306                 drec->get_context_noise_fast()->set_volume(0, decibel_l, decibel_r);
 307         }
 308 }
 309 #endif
 310
 311 // ----------------------------------------------------------------------------
 312 // notify key
 313 // ----------------------------------------------------------------------------
 314
 315 void VM::key_down(int code, bool repeat)
 316 {
 317         if(!repeat) {
 318                 keyboard->key_down(code);
 319         }
 320 }
 321
 322 void VM::key_up(int code)
 323 {
 324 //      keyboard->key_up(code);
 325 }
 326
 327 bool VM::get_caps_locked()
 328 {
 329         return keyboard->get_caps_locked();
 330 }
 331
 332 bool VM::get_kana_locked()
 333 {
 334         return keyboard->get_kana_locked();
 335 }
 336
 337 // ----------------------------------------------------------------------------
 338 // user interface
 339 // ----------------------------------------------------------------------------
 340
 341 #if defined(SUPPORT_MZ80AIF) || defined(SUPPORT_MZ80FIO)
 342 void VM::open_floppy_disk(int drv, const _TCHAR* file_path, int bank)
 343 {
 344         fdc->open_disk(drv, file_path, bank);
 345 }
 346
 347 void VM::close_floppy_disk(int drv)
 348 {
 349         fdc->close_disk(drv);
 350 }
 351
 352 bool VM::is_floppy_disk_inserted(int drv)
 353 {
 354         return fdc->is_disk_inserted(drv);
 355 }
 356
 357 void VM::is_floppy_disk_protected(int drv, bool value)
 358 {
 359         fdc->is_disk_protected(drv, value);
 360 }
 361
 362 bool VM::is_floppy_disk_protected(int drv)
 363 {
 364         return fdc->is_disk_protected(drv);
 365 }
 366
 367 uint32_t VM::is_floppy_disk_accessed()
 368 {
 369         return fdc->read_signal(0);
 370 }
 371 #endif
 372
 373
 374 void VM::play_tape(int drv, const _TCHAR* file_path)
 375 {
 376         drec->play_tape(file_path);
 377 //      drec->set_remote(true);
 378 }
 379
 380 void VM::rec_tape(int drv, const _TCHAR* file_path)
 381 {
 382         drec->rec_tape(file_path);
 383 //      drec->set_remote(true);
 384 }
 385
 386 void VM::close_tape(int drv)
 387 {
 388         emu->lock_vm();
 389         drec->close_tape();
 390         emu->unlock_vm();
 391 //      drec->set_remote(false);
 392 }
 393
 394 bool VM::is_tape_inserted(int drv)
 395 {
 396         return drec->is_tape_inserted();
 397 }
 398
 399 bool VM::is_tape_playing(int drv)
 400 {
 401         return drec->is_tape_playing();
 402 }
 403
 404 bool VM::is_tape_recording(int drv)
 405 {
 406         return drec->is_tape_recording();
 407 }
 408
 409 int VM::get_tape_position(int drv)
 410 {
 411         return drec->get_tape_position();
 412 }
 413
 414 const _TCHAR* VM::get_tape_message(int drv)
 415 {
 416         return drec->get_message();
 417 }
 418
 419 void VM::push_play(int drv)
 420 {
 421         drec->set_ff_rew(0);
 422         drec->set_remote(true);
 423 }
 424
 425 void VM::push_stop(int drv)
 426 {
 427         drec->set_remote(false);
 428 }
 429
 430 void VM::push_fast_forward(int drv)
 431 {
 432         drec->set_ff_rew(1);
 433         drec->set_remote(true);
 434 }
 435
 436 void VM::push_fast_rewind(int drv)
 437 {
 438         drec->set_ff_rew(-1);
 439         drec->set_remote(true);
 440 }
 441
 442 bool VM::is_frame_skippable()
 443 {
 444         return event->is_frame_skippable();
 445 }
 446
 447 void VM::update_config()
 448 {
 449         for(DEVICE* device = first_device; device; device = device->next_device) {
 450                 device->update_config();
 451         }
 452 }
 453
 454 #define STATE_VERSION   7
 455
 456 #include "../../statesub.h"
 457 #include "../../qt/gui/csp_logger.h"
 458 extern CSP_Logger DLL_PREFIX_I *csp_logger;
 459
 460 void VM::decl_state(void)
 461 {
 462         state_entry = new csp_state_utils(STATE_VERSION, 0, (_TCHAR *)(_T("CSP::MZ80_SERIES_HEAD")), csp_logger);
 463
 464         for(DEVICE* device = first_device; device; device = device->next_device) {
 465                 device->decl_state();
 466         }
 467 }
 468
 469 void VM::save_state(FILEIO* state_fio)
 470 {
 471         //state_fio->FputUint32(STATE_VERSION);
 472         if(state_entry != NULL) {
 473                 state_entry->save_state(state_fio);
 474         }
 475         for(DEVICE* device = first_device; device; device = device->next_device) {
 476                 device->save_state(state_fio);
 477         }
 478 }
 479
 480 bool VM::load_state(FILEIO* state_fio)
 481 {
 482         bool mb = false;
 483         if(state_entry != NULL) {
 484                 mb = state_entry->load_state(state_fio);
 485         }
 486         if(!mb) return false;
 487         //if(state_fio->FgetUint32() != STATE_VERSION) {
 488         //      return false;
 489         //}
 490         for(DEVICE* device = first_device; device; device = device->next_device) {
 491                 if(!device->load_state(state_fio)) {
 492                         return false;
 493                 }
 494         }
 495         return true;
 496 }
 497