source/src/vm/pasopia7/pasopia7.cpp

   1 /*
   2         TOSHIBA PASOPIA 7 Emulator 'EmuPIA7'
   3
   4         Author : Takeda.Toshiya
   5         Date   : 2006.09.20 -
   6
   7         [ virtual machine ]
   8 */
   9
  10 #include "pasopia7.h"
  11 #include "../../emu.h"
  12 #include "../device.h"
  13 #include "../event.h"
  14
  15 #include "../datarec.h"
  16 #include "../disk.h"
  17 #include "../hd46505.h"
  18 #include "../i8255.h"
  19 #include "../io.h"
  20 #include "../ls393.h"
  21 #include "../noise.h"
  22 #include "../not.h"
  23 #include "../pcm1bit.h"
  24 #include "../sn76489an.h"
  25 #include "../upd765a.h"
  26 #include "../z80.h"
  27 #include "../z80ctc.h"
  28 #include "../z80pio.h"
  29
  30 #ifdef USE_DEBUGGER
  31 #include "../debugger.h"
  32 #endif
  33
  34 #include "floppy.h"
  35 #include "display.h"
  36 #include "iobus.h"
  37 #include "iotrap.h"
  38 #include "keyboard.h"
  39 #include "memory.h"
  40 #include "pac2.h"
  41
  42 // ----------------------------------------------------------------------------
  43 // initialize
  44 // ----------------------------------------------------------------------------
  45
  46 VM::VM(EMU* parent_emu) : VM_TEMPLATE(parent_emu)
  47 {
  48         // create devices
  49         first_device = last_device = NULL;
  50         dummy = new DEVICE(this, emu);  // must be 1st device
  51         event = new EVENT(this, emu);   // must be 2nd device
  52
  53         drec = new DATAREC(this, emu);
  54         drec->set_context_noise_play(new NOISE(this, emu));
  55         drec->set_context_noise_stop(new NOISE(this, emu));
  56         drec->set_context_noise_fast(new NOISE(this, emu));
  57         crtc = new HD46505(this, emu);
  58         pio0 = new I8255(this, emu);
  59         pio0->set_device_name(_T("8255 PIO (Display)"));
  60         pio1 = new I8255(this, emu);
  61         pio1->set_device_name(_T("8255 PIO (Display/Memory)"));
  62         pio2 = new I8255(this, emu);
  63         pio2->set_device_name(_T("8255 PIO (Sound/Data Recorder)"));
  64         io = new IO(this, emu);
  65         flipflop = new LS393(this, emu); // LS74
  66         not_remote = new NOT(this, emu);
  67         pcm = new PCM1BIT(this, emu);
  68         psg0 = new SN76489AN(this, emu);
  69         psg0->set_device_name(_T("SN76489AN PSG #1"));
  70         psg1 = new SN76489AN(this, emu);
  71         psg1->set_device_name(_T("SN76489AN PSG #2"));
  72         fdc = new UPD765A(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         cpu = new Z80(this, emu);
  77         ctc = new Z80CTC(this, emu);
  78         pio = new Z80PIO(this, emu);
  79
  80         floppy = new FLOPPY(this, emu);
  81         display = new DISPLAY(this, emu);
  82         iobus = new IOBUS(this, emu);
  83         iotrap = new IOTRAP(this, emu);
  84         key = new KEYBOARD(this, emu);
  85         memory = new MEMORY(this, emu);
  86         pac2 = new PAC2(this, emu);
  87
  88         // set contexts
  89         event->set_context_cpu(cpu);
  90         event->set_context_sound(pcm);
  91         event->set_context_sound(psg0);
  92         event->set_context_sound(psg1);
  93         event->set_context_sound(drec);
  94         event->set_context_sound(fdc->get_context_noise_seek());
  95         event->set_context_sound(fdc->get_context_noise_head_down());
  96         event->set_context_sound(fdc->get_context_noise_head_up());
  97         event->set_context_sound(drec->get_context_noise_play());
  98         event->set_context_sound(drec->get_context_noise_stop());
  99         event->set_context_sound(drec->get_context_noise_fast());
 100
 101         drec->set_context_ear(pio2, SIG_I8255_PORT_B, 0x20);
 102         crtc->set_context_disp(pio0, SIG_I8255_PORT_B, 8);
 103         crtc->set_context_vsync(pio0, SIG_I8255_PORT_B, 0x20);
 104         pio0->set_context_port_a(display, SIG_DISPLAY_I8255_0_A, 0xff, 0);
 105         pio1->set_context_port_a(memory, SIG_MEMORY_I8255_1_A, 0xff, 0);
 106         pio1->set_context_port_b(display, SIG_DISPLAY_I8255_1_B, 0xff, 0);
 107         pio1->set_context_port_b(memory, SIG_MEMORY_I8255_1_B, 0xff, 0);
 108         pio1->set_context_port_c(display, SIG_DISPLAY_I8255_1_C, 0xff, 0);
 109         pio1->set_context_port_c(memory, SIG_MEMORY_I8255_1_C, 0xff, 0);
 110         pio2->set_context_port_a(pcm, SIG_PCM1BIT_MUTE, 0x02, 0);
 111         pio2->set_context_port_a(psg0, SIG_SN76489AN_MUTE, 0x02, 0);
 112         pio2->set_context_port_a(psg1, SIG_SN76489AN_MUTE, 0x02, 0);
 113         pio2->set_context_port_a(drec, SIG_DATAREC_MIC, 0x10, 0);
 114         pio2->set_context_port_a(not_remote, SIG_NOT_INPUT, 0x20, 0);
 115         pio2->set_context_port_a(iotrap, SIG_IOTRAP_I8255_2_A, 0xff, 0);
 116         pio2->set_context_port_c(iotrap, SIG_IOTRAP_I8255_2_C, 0xff, 0);
 117         flipflop->set_context_1qa(pcm, SIG_PCM1BIT_SIGNAL, 1);
 118         not_remote->set_context_out(drec, SIG_DATAREC_REMOTE, 1);
 119         fdc->set_context_irq(floppy, SIG_FLOPPY_INTR, 1);
 120         ctc->set_context_zc0(ctc, SIG_Z80CTC_TRIG_1, 1);
 121         ctc->set_context_zc1(flipflop, SIG_LS393_CLK, 1);
 122         ctc->set_context_zc2(ctc, SIG_Z80CTC_TRIG_3, 1);
 123         ctc->set_constant_clock(0, CPU_CLOCKS);
 124         ctc->set_constant_clock(2, CPU_CLOCKS);
 125         pio->set_context_port_a(pcm, SIG_PCM1BIT_ON, 0x80, 0);
 126         pio->set_context_port_a(key, SIG_KEYBOARD_Z80PIO_A, 0xff, 0);
 127
 128         display->set_vram_ptr(memory->get_vram());
 129         display->set_pal_ptr(memory->get_pal());
 130         display->set_regs_ptr(crtc->get_regs());
 131         floppy->set_context_fdc(fdc);
 132         iobus->set_context_io(io);
 133         iobus->set_ram_ptr(memory->get_ram());
 134         iotrap->set_context_cpu(cpu);
 135         iotrap->set_context_pio2(pio2);
 136         key->set_context_pio(pio);
 137         memory->set_context_iobus(iobus);
 138         memory->set_context_pio0(pio0);
 139         memory->set_context_pio2(pio2);
 140
 141         // cpu bus
 142         cpu->set_context_mem(memory);
 143         cpu->set_context_io(iobus);
 144         cpu->set_context_intr(ctc);
 145 #ifdef USE_DEBUGGER
 146         cpu->set_context_debugger(new DEBUGGER(this, emu));
 147 #endif
 148
 149         // z80 family daisy chain
 150         ctc->set_context_intr(cpu, 0);
 151         ctc->set_context_child(pio);
 152         pio->set_context_intr(cpu, 1);
 153
 154         // i/o bus
 155         io->set_iomap_range_rw(0x08, 0x0b, pio0);
 156         io->set_iomap_range_rw(0x0c, 0x0f, pio1);
 157         io->set_iomap_range_rw(0x10, 0x11, crtc);
 158         io->set_iomap_range_rw(0x18, 0x1b, pac2);
 159         io->set_iomap_range_rw(0x20, 0x23, pio2);
 160         io->set_iomap_range_rw(0x28, 0x2b, ctc);
 161         io->set_iomap_alias_rw(0x30, pio, 0);
 162         io->set_iomap_alias_rw(0x31, pio, 2);
 163         io->set_iomap_alias_w(0x32, pio, 1);
 164         io->set_iomap_alias_w(0x33, pio, 3);
 165         io->set_iomap_single_w(0x3a, psg0);
 166         io->set_iomap_single_w(0x3b, psg1);
 167         io->set_iomap_single_w(0x3c, memory);
 168         io->set_iomap_single_w(0xe0, floppy);
 169         io->set_iomap_single_w(0xe2, floppy);
 170         io->set_iomap_range_rw(0xe4, 0xe5, fdc);
 171         io->set_iomap_single_rw(0xe6, floppy);
 172
 173         // initialize and reset all devices except the event manager
 174 #if defined(__GIT_REPO_VERSION)
 175         strncpy(_git_revision, __GIT_REPO_VERSION, sizeof(_git_revision) - 1);
 176 #endif
 177         for(DEVICE* device = first_device; device; device = device->next_device) {
 178                 device->initialize();
 179         }
 180         decl_state();
 181         for(DEVICE* device = first_device; device; device = device->next_device) {
 182 //              if(device->this_device_id != event->this_device_id) {
 183                         device->reset();
 184 //              }
 185         }
 186         for(int i = 0; i < 4; i++) {
 187                 fdc->set_drive_type(i, DRIVE_TYPE_2D);
 188         }
 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 }
 201
 202 DEVICE* VM::get_device(int id)
 203 {
 204         for(DEVICE* device = first_device; device; device = device->next_device) {
 205                 if(device->this_device_id == id) {
 206                         return device;
 207                 }
 208         }
 209         return NULL;
 210 }
 211
 212 // ----------------------------------------------------------------------------
 213 // drive virtual machine
 214 // ----------------------------------------------------------------------------
 215
 216 void VM::reset()
 217 {
 218         // reset all devices
 219 //      for(DEVICE* device = first_device; device; device = device->next_device) {
 220 //              device->reset();
 221 //      }
 222         event->reset();
 223         memory->reset();
 224         iotrap->do_reset();
 225
 226         // set initial port status
 227 #ifdef _LCD
 228         pio0->write_signal(SIG_I8255_PORT_B, 0, (0x10 | 0x40));
 229 #else
 230         pio0->write_signal(SIG_I8255_PORT_B, 0x10, (0x10 | 0x40));
 231 #endif
 232         pcm->write_signal(SIG_PCM1BIT_ON, 0, 1);
 233 }
 234
 235 void VM::run()
 236 {
 237         event->drive();
 238 }
 239
 240 double VM::get_frame_rate()
 241 {
 242         return event->get_frame_rate();
 243 }
 244
 245 // ----------------------------------------------------------------------------
 246 // debugger
 247 // ----------------------------------------------------------------------------
 248
 249 #ifdef USE_DEBUGGER
 250 DEVICE *VM::get_cpu(int index)
 251 {
 252         if(index == 0) {
 253                 return cpu;
 254         }
 255         return NULL;
 256 }
 257 #endif
 258
 259 // ----------------------------------------------------------------------------
 260 // draw screen
 261 // ----------------------------------------------------------------------------
 262
 263 void VM::draw_screen()
 264 {
 265         display->draw_screen();
 266 }
 267
 268 // ----------------------------------------------------------------------------
 269 // soud manager
 270 // ----------------------------------------------------------------------------
 271
 272 void VM::initialize_sound(int rate, int samples)
 273 {
 274         // init sound manager
 275         event->initialize_sound(rate, samples);
 276
 277         // init sound gen
 278         pcm->initialize_sound(rate, 3600);
 279         psg0->initialize_sound(rate, 1996800, 3600);
 280         psg1->initialize_sound(rate, 1996800, 3600);
 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                 psg0->set_volume(0, decibel_l, decibel_r);
 298         } else if(ch == 1) {
 299                 psg1->set_volume(0, decibel_l, decibel_r);
 300         } else if(ch == 2) {
 301                 pcm->set_volume(0, decibel_l, decibel_r);
 302         } else if(ch == 3) {
 303                 drec->set_volume(0, decibel_l, decibel_r);
 304         } else if(ch == 4) {
 305                 fdc->get_context_noise_seek()->set_volume(0, decibel_l, decibel_r);
 306                 fdc->get_context_noise_head_down()->set_volume(0, decibel_l, decibel_r);
 307                 fdc->get_context_noise_head_up()->set_volume(0, decibel_l, decibel_r);
 308         } else if(ch == 5) {
 309                 drec->get_context_noise_play()->set_volume(0, decibel_l, decibel_r);
 310                 drec->get_context_noise_stop()->set_volume(0, decibel_l, decibel_r);
 311                 drec->get_context_noise_fast()->set_volume(0, decibel_l, decibel_r);
 312         }
 313 }
 314 #endif
 315
 316 // ----------------------------------------------------------------------------
 317 // user interface
 318 // ----------------------------------------------------------------------------
 319
 320 void VM::open_floppy_disk(int drv, const _TCHAR* file_path, int bank)
 321 {
 322         fdc->open_disk(drv, file_path, bank);
 323 }
 324
 325 void VM::close_floppy_disk(int drv)
 326 {
 327         fdc->close_disk(drv);
 328 }
 329
 330 bool VM::is_floppy_disk_inserted(int drv)
 331 {
 332         return fdc->is_disk_inserted(drv);
 333 }
 334
 335 void VM::is_floppy_disk_protected(int drv, bool value)
 336 {
 337         fdc->is_disk_protected(drv, value);
 338 }
 339
 340 bool VM::is_floppy_disk_protected(int drv)
 341 {
 342         return fdc->is_disk_protected(drv);
 343 }
 344
 345 uint32_t VM::is_floppy_disk_accessed()
 346 {
 347         return fdc->read_signal(0);
 348 }
 349
 350 void VM::play_tape(int drv, const _TCHAR* file_path)
 351 {
 352         drec->play_tape(file_path);
 353 //      drec->set_remote(true);
 354 }
 355
 356 void VM::rec_tape(int drv, const _TCHAR* file_path)
 357 {
 358         drec->rec_tape(file_path);
 359 //      drec->set_remote(true);
 360 }
 361
 362 void VM::close_tape(int drv)
 363 {
 364         emu->lock_vm();
 365         drec->close_tape();
 366         emu->unlock_vm();
 367 //      drec->set_remote(false);
 368 }
 369
 370 bool VM::is_tape_inserted(int drv)
 371 {
 372         return drec->is_tape_inserted();
 373 }
 374
 375 bool VM::is_tape_playing(int drv)
 376 {
 377         return drec->is_tape_playing();
 378 }
 379
 380 bool VM::is_tape_recording(int drv)
 381 {
 382         return drec->is_tape_recording();
 383 }
 384
 385 int VM::get_tape_position(int drv)
 386 {
 387         return drec->get_tape_position();
 388 }
 389
 390 const _TCHAR* VM::get_tape_message(int drv)
 391 {
 392         return drec->get_message();
 393 }
 394
 395 void VM::push_play(int drv)
 396 {
 397         drec->set_ff_rew(0);
 398         drec->set_remote(true);
 399 }
 400
 401 void VM::push_stop(int drv)
 402 {
 403         drec->set_remote(false);
 404 }
 405
 406 void VM::push_fast_forward(int drv)
 407 {
 408         drec->set_ff_rew(1);
 409         drec->set_remote(true);
 410 }
 411
 412 void VM::push_fast_rewind(int drv)
 413 {
 414         drec->set_ff_rew(-1);
 415         drec->set_remote(true);
 416 }
 417
 418 void VM::load_binary(int drv, const _TCHAR* file_path)
 419 {
 420         pac2->open_rampac2(drv, file_path);
 421 }
 422
 423 bool VM::is_frame_skippable()
 424 {
 425         return event->is_frame_skippable();
 426 }
 427
 428 void VM::update_config()
 429 {
 430         for(DEVICE* device = first_device; device; device = device->next_device) {
 431                 device->update_config();
 432         }
 433 }
 434
 435 #define STATE_VERSION   3
 436
 437 #include "../../statesub.h"
 438 #include "../../qt/gui/csp_logger.h"
 439 extern CSP_Logger DLL_PREFIX_I *csp_logger;
 440
 441 void VM::decl_state(void)
 442 {
 443 #if defined(_LCD)
 444         state_entry = new csp_state_utils(STATE_VERSION, 0, (_TCHAR *)(_T("CSP::PASOPIA7_WITH_LCD_HEAD")), csp_logger);
 445 #else
 446         state_entry = new csp_state_utils(STATE_VERSION, 0, (_TCHAR *)(_T("CSP::PASOPIA7_HEAD")), csp_logger);
 447 #endif
 448         for(DEVICE* device = first_device; device; device = device->next_device) {
 449                 device->decl_state();
 450         }
 451 }
 452 void VM::save_state(FILEIO* state_fio)
 453 {
 454         //state_fio->FputUint32(STATE_VERSION);
 455
 456         if(state_entry != NULL) {
 457                 state_entry->save_state(state_fio);
 458         }
 459         for(DEVICE* device = first_device; device; device = device->next_device) {
 460                 device->save_state(state_fio);
 461         }
 462 }
 463
 464 bool VM::load_state(FILEIO* state_fio)
 465 {
 466         //if(state_fio->FgetUint32() != STATE_VERSION) {
 467         //      return false;
 468         //}
 469         bool mb = false;
 470         if(state_entry != NULL) {
 471                 mb = state_entry->load_state(state_fio);
 472         }
 473         if(!mb) {
 474                 emu->out_debug_log("INFO: HEADER DATA ERROR");
 475                 return false;
 476         }
 477         for(DEVICE* device = first_device; device; device = device->next_device) {
 478                 if(!device->load_state(state_fio)) {
 479                         return false;
 480                 }
 481         }
 482         return true;
 483 }
 484