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