source/src/vm/fp1100/fp1100.cpp

   1 /*
   2         CASIO FP-1100 Emulator 'eFP-1100'
   3
   4         Author : Takeda.Toshiya
   5         Date   : 2010.06.18-
   6
   7         [ virtual machine ]
   8 */
   9
  10 #include "fp1100.h"
  11 #include "../../emu.h"
  12 #include "../device.h"
  13 #include "../event.h"
  14
  15 #include "../beep.h"
  16 #include "../datarec.h"
  17 #include "../disk.h"
  18 #include "../hd46505.h"
  19 #include "../noise.h"
  20 #include "../upd765a.h"
  21 #include "../upd7801.h"
  22 #include "../z80.h"
  23
  24 #ifdef USE_DEBUGGER
  25 #include "../debugger.h"
  26 #endif
  27
  28 #include "./main.h"
  29 #include "./sub.h"
  30 #include "fdcpack.h"
  31 #include "rampack.h"
  32 #include "rompack.h"
  33
  34 // ----------------------------------------------------------------------------
  35 // initialize
  36 // ----------------------------------------------------------------------------
  37
  38 VM::VM(EMU* parent_emu) : VM_TEMPLATE(parent_emu)
  39 {
  40         // create devices
  41         first_device = last_device = NULL;
  42         dummy = new DEVICE(this, emu);  // must be 1st device
  43         event = new EVENT(this, emu);   // must be 2nd device
  44         dummy->set_device_name(_T("1st Dummy"));
  45
  46         beep = new BEEP(this, emu);
  47         drec = new DATAREC(this, emu);
  48         drec->set_context_noise_play(new NOISE(this, emu));
  49         drec->set_context_noise_stop(new NOISE(this, emu));
  50         drec->set_context_noise_fast(new NOISE(this, emu));
  51         crtc = new HD46505(this, emu);
  52         fdc = new UPD765A(this, emu);
  53         fdc->set_context_noise_seek(new NOISE(this, emu));
  54         fdc->set_context_noise_head_down(new NOISE(this, emu));
  55         fdc->set_context_noise_head_up(new NOISE(this, emu));
  56         subcpu = new UPD7801(this, emu);
  57         maincpu = new Z80(this, emu);
  58         subcpu->set_device_name(_T("SUB CPU (uPD7801)"));
  59         maincpu->set_device_name(_T("MAIN CPU (Z80)"));
  60
  61         mainbus = new MAIN(this, emu);
  62         subbus = new SUB(this, emu);
  63         fdcpack = new FDCPACK(this, emu);
  64         rampack1 = new RAMPACK(this, emu);
  65         rampack1->index = 1;
  66         rampack1->set_device_name(_T("RAM Pack #1"));
  67         rampack2 = new RAMPACK(this, emu);
  68         rampack2->index = 2;
  69         rampack2->set_device_name(_T("RAM Pack #2"));
  70         rampack3 = new RAMPACK(this, emu);
  71         rampack3->index = 3;
  72         rampack3->set_device_name(_T("RAM Pack #3"));
  73         rampack4 = new RAMPACK(this, emu);
  74         rampack4->index = 4;
  75         rampack4->set_device_name(_T("RAM Pack #4"));
  76         rampack5 = new RAMPACK(this, emu);
  77         rampack5->index = 5;
  78         rampack5->set_device_name(_T("RAM Pack #5"));
  79         rampack6 = new RAMPACK(this, emu);
  80         rampack6->index = 6;
  81         rampack6->set_device_name(_T("RAM Pack #6"));
  82         rompack = new ROMPACK(this, emu);
  83         // set contexts
  84         event->set_context_cpu(maincpu);
  85         event->set_context_cpu(subcpu, SUB_CPU_CLOCKS);
  86         event->set_context_sound(beep);
  87         event->set_context_sound(drec);
  88         event->set_context_sound(fdc->get_context_noise_seek());
  89         event->set_context_sound(fdc->get_context_noise_head_down());
  90         event->set_context_sound(fdc->get_context_noise_head_up());
  91         event->set_context_sound(drec->get_context_noise_play());
  92         event->set_context_sound(drec->get_context_noise_stop());
  93         event->set_context_sound(drec->get_context_noise_fast());
  94         drec->set_context_ear(subbus, SIG_SUB_EAR, 1);
  95         crtc->set_context_hsync(subbus, SIG_SUB_HSYNC, 1);
  96         fdc->set_context_drq(mainbus, SIG_MAIN_INTA, 1);
  97         fdc->set_context_irq(mainbus, SIG_MAIN_INTB, 1);
  98         subcpu->set_context_so(subbus, SIG_SUB_SO, 1);
  99
 100         mainbus->set_context_cpu(maincpu);
 101         mainbus->set_context_sub(subbus);
 102         mainbus->set_context_slot(0, fdcpack);
 103         mainbus->set_context_slot(1, rampack1);
 104         mainbus->set_context_slot(2, rampack2);
 105         mainbus->set_context_slot(3, rampack3);
 106         mainbus->set_context_slot(4, rampack4);
 107         mainbus->set_context_slot(5, rampack5);
 108         mainbus->set_context_slot(6, rampack6);
 109         mainbus->set_context_slot(7, rompack);
 110
 111         subbus->set_context_cpu(subcpu);
 112         subbus->set_context_main(mainbus);
 113         subbus->set_context_beep(beep);
 114         subbus->set_context_drec(drec);
 115         subbus->set_context_crtc(crtc, crtc->get_regs());
 116
 117         fdcpack->set_context_fdc(fdc);
 118
 119         // cpu bus
 120         maincpu->set_context_mem(mainbus);
 121         maincpu->set_context_io(mainbus);
 122         maincpu->set_context_intr(mainbus);
 123 #ifdef USE_DEBUGGER
 124         maincpu->set_context_debugger(new DEBUGGER(this, emu));
 125 #endif
 126         subcpu->set_context_mem(subbus);
 127         subcpu->set_context_io(subbus);
 128 #ifdef USE_DEBUGGER
 129         subcpu->set_context_debugger(new DEBUGGER(this, emu));
 130 #endif
 131
 132         // initialize all devices
 133 #if defined(__GIT_REPO_VERSION)
 134         strncpy(_git_revision, __GIT_REPO_VERSION, sizeof(_git_revision) - 1);
 135 #endif
 136         for(DEVICE* device = first_device; device; device = device->next_device) {
 137                 device->initialize();
 138         }
 139         decl_state();
 140         for(int i = 0; i < 4; i++) {
 141                 fdc->set_drive_type(i, DRIVE_TYPE_2D);
 142         }
 143 }
 144
 145 VM::~VM()
 146 {
 147         // delete all devices
 148         for(DEVICE* device = first_device; device;) {
 149                 DEVICE *next_device = device->next_device;
 150                 device->release();
 151                 delete device;
 152                 device = next_device;
 153         }
 154 }
 155
 156 DEVICE* VM::get_device(int id)
 157 {
 158         for(DEVICE* device = first_device; device; device = device->next_device) {
 159                 if(device->this_device_id == id) {
 160                         return device;
 161                 }
 162         }
 163         return NULL;
 164 }
 165
 166 // ----------------------------------------------------------------------------
 167 // drive virtual machine
 168 // ----------------------------------------------------------------------------
 169
 170 void VM::reset()
 171 {
 172         // reset all devices
 173         for(DEVICE* device = first_device; device; device = device->next_device) {
 174                 device->reset();
 175         }
 176 }
 177
 178 void VM::run()
 179 {
 180         event->drive();
 181 }
 182
 183 double VM::get_frame_rate()
 184 {
 185         return event->get_frame_rate();
 186 }
 187
 188 // ----------------------------------------------------------------------------
 189 // debugger
 190 // ----------------------------------------------------------------------------
 191
 192 #ifdef USE_DEBUGGER
 193 DEVICE *VM::get_cpu(int index)
 194 {
 195         if(index == 0) {
 196                 return maincpu;
 197         } else if(index == 1) {
 198                 return subcpu;
 199         }
 200         return NULL;
 201 }
 202 #endif
 203
 204 // ----------------------------------------------------------------------------
 205 // draw screen
 206 // ----------------------------------------------------------------------------
 207
 208 void VM::draw_screen()
 209 {
 210         subbus->draw_screen();
 211 }
 212
 213 // ----------------------------------------------------------------------------
 214 // soud manager
 215 // ----------------------------------------------------------------------------
 216
 217 void VM::initialize_sound(int rate, int samples)
 218 {
 219         // init sound manager
 220         event->initialize_sound(rate, samples);
 221
 222         // init sound gen
 223         beep->initialize_sound(rate, 2400, 8000);
 224 }
 225
 226 uint16_t* VM::create_sound(int* extra_frames)
 227 {
 228         return event->create_sound(extra_frames);
 229 }
 230
 231 int VM::get_sound_buffer_ptr()
 232 {
 233         return event->get_sound_buffer_ptr();
 234 }
 235
 236 #ifdef USE_SOUND_VOLUME
 237 void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
 238 {
 239         if(ch == 0) {
 240                 beep->set_volume(0, decibel_l, decibel_r);
 241         } else if(ch == 1) {
 242                 drec->set_volume(0, decibel_l, decibel_r);
 243         } else if(ch == 2) {
 244                 fdc->get_context_noise_seek()->set_volume(0, decibel_l, decibel_r);
 245                 fdc->get_context_noise_head_down()->set_volume(0, decibel_l, decibel_r);
 246                 fdc->get_context_noise_head_up()->set_volume(0, decibel_l, decibel_r);
 247         } else if(ch == 3) {
 248                 drec->get_context_noise_play()->set_volume(0, decibel_l, decibel_r);
 249                 drec->get_context_noise_stop()->set_volume(0, decibel_l, decibel_r);
 250                 drec->get_context_noise_fast()->set_volume(0, decibel_l, decibel_r);
 251         }
 252 }
 253 #endif
 254
 255 // ----------------------------------------------------------------------------
 256 // notify key
 257 // ----------------------------------------------------------------------------
 258
 259 void VM::key_down(int code, bool repeat)
 260 {
 261         subbus->key_down(code);
 262 }
 263
 264 void VM::key_up(int code)
 265 {
 266         subbus->key_up(code);
 267 }
 268
 269 // ----------------------------------------------------------------------------
 270 // user interface
 271 // ----------------------------------------------------------------------------
 272
 273 void VM::open_floppy_disk(int drv, const _TCHAR* file_path, int bank)
 274 {
 275         fdc->open_disk(drv, file_path, bank);
 276 }
 277
 278 void VM::close_floppy_disk(int drv)
 279 {
 280         fdc->close_disk(drv);
 281 }
 282
 283 bool VM::is_floppy_disk_inserted(int drv)
 284 {
 285         return fdc->is_disk_inserted(drv);
 286 }
 287
 288 void VM::is_floppy_disk_protected(int drv, bool value)
 289 {
 290         fdc->is_disk_protected(drv, value);
 291 }
 292
 293 bool VM::is_floppy_disk_protected(int drv)
 294 {
 295         return fdc->is_disk_protected(drv);
 296 }
 297
 298 uint32_t VM::is_floppy_disk_accessed()
 299 {
 300         return fdc->read_signal(0);
 301 }
 302
 303 void VM::play_tape(int drv, const _TCHAR* file_path)
 304 {
 305         drec->play_tape(file_path);
 306 //      drec->set_remote(true);
 307 }
 308
 309 void VM::rec_tape(int drv, const _TCHAR* file_path)
 310 {
 311         drec->rec_tape(file_path);
 312 //      drec->set_remote(true);
 313 }
 314
 315 void VM::close_tape(int drv)
 316 {
 317         emu->lock_vm();
 318         drec->close_tape();
 319         emu->unlock_vm();
 320 //      drec->set_remote(false);
 321 }
 322
 323 bool VM::is_tape_inserted(int drv)
 324 {
 325         return drec->is_tape_inserted();
 326 }
 327
 328 bool VM::is_tape_playing(int drv)
 329 {
 330         return drec->is_tape_playing();
 331 }
 332
 333 bool VM::is_tape_recording(int drv)
 334 {
 335         return drec->is_tape_recording();
 336 }
 337
 338 int VM::get_tape_position(int drv)
 339 {
 340         return drec->get_tape_position();
 341 }
 342
 343 const _TCHAR* VM::get_tape_message(int drv)
 344 {
 345         return drec->get_message();
 346 }
 347
 348 void VM::push_play(int drv)
 349 {
 350         drec->set_ff_rew(0);
 351         drec->set_remote(true);
 352 }
 353
 354 void VM::push_stop(int drv)
 355 {
 356         drec->set_remote(false);
 357 }
 358
 359 void VM::push_fast_forward(int drv)
 360 {
 361         drec->set_ff_rew(1);
 362         drec->set_remote(true);
 363 }
 364
 365 void VM::push_fast_rewind(int drv)
 366 {
 367         drec->set_ff_rew(-1);
 368         drec->set_remote(true);
 369 }
 370
 371 bool VM::is_frame_skippable()
 372 {
 373         return event->is_frame_skippable();
 374 }
 375
 376 void VM::update_config()
 377 {
 378         for(DEVICE* device = first_device; device; device = device->next_device) {
 379                 device->update_config();
 380         }
 381 }
 382
 383 #define STATE_VERSION   4
 384
 385 #include "../../statesub.h"
 386 #include "../../qt/gui/csp_logger.h"
 387 extern CSP_Logger DLL_PREFIX_I *csp_logger;
 388
 389 void VM::decl_state(void)
 390 {
 391         state_entry = new csp_state_utils(STATE_VERSION, 0, (_TCHAR *)(_T("CSP::FP_1100_HEAD")), csp_logger);
 392         for(DEVICE* device = first_device; device; device = device->next_device) {
 393                 device->decl_state();
 394         }
 395 }
 396
 397 void VM::save_state(FILEIO* state_fio)
 398 {
 399         //state_fio->FputUint32(STATE_VERSION);
 400
 401         if(state_entry != NULL) {
 402                 state_entry->save_state(state_fio);
 403         }
 404         for(DEVICE* device = first_device; device; device = device->next_device) {
 405                 device->save_state(state_fio);
 406         }
 407 }
 408
 409 bool VM::load_state(FILEIO* state_fio)
 410 {
 411         //if(state_fio->FgetUint32() != STATE_VERSION) {
 412         //      return false;
 413         //}
 414         bool mb = false;
 415         if(state_entry != NULL) {
 416                 mb = state_entry->load_state(state_fio);
 417         }
 418         if(!mb) {
 419                 emu->out_debug_log("INFO: HEADER DATA ERROR");
 420                 return false;
 421         }
 422         for(DEVICE* device = first_device; device; device = device->next_device) {
 423                 if(!device->load_state(state_fio)) {
 424                         return false;
 425                 }
 426         }
 427         return true;
 428 }
 429