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         for(DEVICE* device = first_device; device; device = device->next_device) {
 134                 device->initialize();
 135         }
 136         decl_state();
 137         for(int i = 0; i < 4; i++) {
 138                 fdc->set_drive_type(i, DRIVE_TYPE_2D);
 139         }
 140 }
 141
 142 VM::~VM()
 143 {
 144         // delete all devices
 145         for(DEVICE* device = first_device; device;) {
 146                 DEVICE *next_device = device->next_device;
 147                 device->release();
 148                 delete device;
 149                 device = next_device;
 150         }
 151 }
 152
 153 DEVICE* VM::get_device(int id)
 154 {
 155         for(DEVICE* device = first_device; device; device = device->next_device) {
 156                 if(device->this_device_id == id) {
 157                         return device;
 158                 }
 159         }
 160         return NULL;
 161 }
 162
 163 // ----------------------------------------------------------------------------
 164 // drive virtual machine
 165 // ----------------------------------------------------------------------------
 166
 167 void VM::reset()
 168 {
 169         // reset all devices
 170         for(DEVICE* device = first_device; device; device = device->next_device) {
 171                 device->reset();
 172         }
 173 }
 174
 175 void VM::run()
 176 {
 177         event->drive();
 178 }
 179
 180 double VM::get_frame_rate()
 181 {
 182         return event->get_frame_rate();
 183 }
 184
 185 // ----------------------------------------------------------------------------
 186 // debugger
 187 // ----------------------------------------------------------------------------
 188
 189 #ifdef USE_DEBUGGER
 190 DEVICE *VM::get_cpu(int index)
 191 {
 192         if(index == 0) {
 193                 return maincpu;
 194         } else if(index == 1) {
 195                 return subcpu;
 196         }
 197         return NULL;
 198 }
 199 #endif
 200
 201 // ----------------------------------------------------------------------------
 202 // draw screen
 203 // ----------------------------------------------------------------------------
 204
 205 void VM::draw_screen()
 206 {
 207         subbus->draw_screen();
 208 }
 209
 210 // ----------------------------------------------------------------------------
 211 // soud manager
 212 // ----------------------------------------------------------------------------
 213
 214 void VM::initialize_sound(int rate, int samples)
 215 {
 216         // init sound manager
 217         event->initialize_sound(rate, samples);
 218
 219         // init sound gen
 220         beep->initialize_sound(rate, 2400, 8000);
 221 }
 222
 223 uint16_t* VM::create_sound(int* extra_frames)
 224 {
 225         return event->create_sound(extra_frames);
 226 }
 227
 228 int VM::get_sound_buffer_ptr()
 229 {
 230         return event->get_sound_buffer_ptr();
 231 }
 232
 233 #ifdef USE_SOUND_VOLUME
 234 void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
 235 {
 236         if(ch == 0) {
 237                 beep->set_volume(0, decibel_l, decibel_r);
 238         } else if(ch == 1) {
 239                 drec->set_volume(0, decibel_l, decibel_r);
 240         } else if(ch == 2) {
 241                 fdc->get_context_noise_seek()->set_volume(0, decibel_l, decibel_r);
 242                 fdc->get_context_noise_head_down()->set_volume(0, decibel_l, decibel_r);
 243                 fdc->get_context_noise_head_up()->set_volume(0, decibel_l, decibel_r);
 244         } else if(ch == 3) {
 245                 drec->get_context_noise_play()->set_volume(0, decibel_l, decibel_r);
 246                 drec->get_context_noise_stop()->set_volume(0, decibel_l, decibel_r);
 247                 drec->get_context_noise_fast()->set_volume(0, decibel_l, decibel_r);
 248         }
 249 }
 250 #endif
 251
 252 // ----------------------------------------------------------------------------
 253 // notify key
 254 // ----------------------------------------------------------------------------
 255
 256 void VM::key_down(int code, bool repeat)
 257 {
 258         subbus->key_down(code);
 259 }
 260
 261 void VM::key_up(int code)
 262 {
 263         subbus->key_up(code);
 264 }
 265
 266 // ----------------------------------------------------------------------------
 267 // user interface
 268 // ----------------------------------------------------------------------------
 269
 270 void VM::open_floppy_disk(int drv, const _TCHAR* file_path, int bank)
 271 {
 272         fdc->open_disk(drv, file_path, bank);
 273 }
 274
 275 void VM::close_floppy_disk(int drv)
 276 {
 277         fdc->close_disk(drv);
 278 }
 279
 280 bool VM::is_floppy_disk_inserted(int drv)
 281 {
 282         return fdc->is_disk_inserted(drv);
 283 }
 284
 285 void VM::is_floppy_disk_protected(int drv, bool value)
 286 {
 287         fdc->is_disk_protected(drv, value);
 288 }
 289
 290 bool VM::is_floppy_disk_protected(int drv)
 291 {
 292         return fdc->is_disk_protected(drv);
 293 }
 294
 295 uint32_t VM::is_floppy_disk_accessed()
 296 {
 297         return fdc->read_signal(0);
 298 }
 299
 300 void VM::play_tape(int drv, const _TCHAR* file_path)
 301 {
 302         drec->play_tape(file_path);
 303 //      drec->set_remote(true);
 304 }
 305
 306 void VM::rec_tape(int drv, const _TCHAR* file_path)
 307 {
 308         drec->rec_tape(file_path);
 309 //      drec->set_remote(true);
 310 }
 311
 312 void VM::close_tape(int drv)
 313 {
 314         emu->lock_vm();
 315         drec->close_tape();
 316         emu->unlock_vm();
 317 //      drec->set_remote(false);
 318 }
 319
 320 bool VM::is_tape_inserted(int drv)
 321 {
 322         return drec->is_tape_inserted();
 323 }
 324
 325 bool VM::is_tape_playing(int drv)
 326 {
 327         return drec->is_tape_playing();
 328 }
 329
 330 bool VM::is_tape_recording(int drv)
 331 {
 332         return drec->is_tape_recording();
 333 }
 334
 335 int VM::get_tape_position(int drv)
 336 {
 337         return drec->get_tape_position();
 338 }
 339
 340 const _TCHAR* VM::get_tape_message(int drv)
 341 {
 342         return drec->get_message();
 343 }
 344
 345 void VM::push_play(int drv)
 346 {
 347         drec->set_ff_rew(0);
 348         drec->set_remote(true);
 349 }
 350
 351 void VM::push_stop(int drv)
 352 {
 353         drec->set_remote(false);
 354 }
 355
 356 void VM::push_fast_forward(int drv)
 357 {
 358         drec->set_ff_rew(1);
 359         drec->set_remote(true);
 360 }
 361
 362 void VM::push_fast_rewind(int drv)
 363 {
 364         drec->set_ff_rew(-1);
 365         drec->set_remote(true);
 366 }
 367
 368 bool VM::is_frame_skippable()
 369 {
 370         return event->is_frame_skippable();
 371 }
 372
 373 void VM::update_config()
 374 {
 375         for(DEVICE* device = first_device; device; device = device->next_device) {
 376                 device->update_config();
 377         }
 378 }
 379
 380 #define STATE_VERSION   4
 381
 382 #include "../../statesub.h"
 383 #include "../../qt/gui/csp_logger.h"
 384 extern CSP_Logger DLL_PREFIX_I *csp_logger;
 385
 386 void VM::decl_state(void)
 387 {
 388         state_entry = new csp_state_utils(STATE_VERSION, 0, (_TCHAR *)(_T("CSP::FP_1100_HEAD")), csp_logger);
 389         for(DEVICE* device = first_device; device; device = device->next_device) {
 390                 device->decl_state();
 391         }
 392 }
 393
 394 void VM::save_state(FILEIO* state_fio)
 395 {
 396         //state_fio->FputUint32(STATE_VERSION);
 397
 398         if(state_entry != NULL) {
 399                 state_entry->save_state(state_fio);
 400         }
 401         for(DEVICE* device = first_device; device; device = device->next_device) {
 402                 device->save_state(state_fio);
 403         }
 404 }
 405
 406 bool VM::load_state(FILEIO* state_fio)
 407 {
 408         //if(state_fio->FgetUint32() != STATE_VERSION) {
 409         //      return false;
 410         //}
 411         bool mb = false;
 412         if(state_entry != NULL) {
 413                 mb = state_entry->load_state(state_fio);
 414         }
 415         if(!mb) {
 416                 emu->out_debug_log("INFO: HEADER DATA ERROR");
 417                 return false;
 418         }
 419         for(DEVICE* device = first_device; device; device = device->next_device) {
 420                 if(!device->load_state(state_fio)) {
 421                         return false;
 422                 }
 423         }
 424         return true;
 425 }
 426