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         for(int i = 0; i < 4; i++) {
 140                 fdc->set_drive_type(i, DRIVE_TYPE_2D);
 141         }
 142 }
 143
 144 VM::~VM()
 145 {
 146         // delete all devices
 147         for(DEVICE* device = first_device; device;) {
 148                 DEVICE *next_device = device->next_device;
 149                 device->release();
 150                 delete device;
 151                 device = next_device;
 152         }
 153 }
 154
 155 DEVICE* VM::get_device(int id)
 156 {
 157         for(DEVICE* device = first_device; device; device = device->next_device) {
 158                 if(device->this_device_id == id) {
 159                         return device;
 160                 }
 161         }
 162         return NULL;
 163 }
 164
 165 // ----------------------------------------------------------------------------
 166 // drive virtual machine
 167 // ----------------------------------------------------------------------------
 168
 169 void VM::reset()
 170 {
 171         // reset all devices
 172         for(DEVICE* device = first_device; device; device = device->next_device) {
 173                 device->reset();
 174         }
 175 }
 176
 177 void VM::run()
 178 {
 179         event->drive();
 180 }
 181
 182 double VM::get_frame_rate()
 183 {
 184         return event->get_frame_rate();
 185 }
 186
 187 // ----------------------------------------------------------------------------
 188 // debugger
 189 // ----------------------------------------------------------------------------
 190
 191 #ifdef USE_DEBUGGER
 192 DEVICE *VM::get_cpu(int index)
 193 {
 194         if(index == 0) {
 195                 return maincpu;
 196         } else if(index == 1) {
 197                 return subcpu;
 198         }
 199         return NULL;
 200 }
 201 #endif
 202
 203 // ----------------------------------------------------------------------------
 204 // draw screen
 205 // ----------------------------------------------------------------------------
 206
 207 void VM::draw_screen()
 208 {
 209         subbus->draw_screen();
 210 }
 211
 212 // ----------------------------------------------------------------------------
 213 // soud manager
 214 // ----------------------------------------------------------------------------
 215
 216 void VM::initialize_sound(int rate, int samples)
 217 {
 218         // init sound manager
 219         event->initialize_sound(rate, samples);
 220
 221         // init sound gen
 222         beep->initialize_sound(rate, 2400, 8000);
 223 }
 224
 225 uint16_t* VM::create_sound(int* extra_frames)
 226 {
 227         return event->create_sound(extra_frames);
 228 }
 229
 230 int VM::get_sound_buffer_ptr()
 231 {
 232         return event->get_sound_buffer_ptr();
 233 }
 234
 235 #ifdef USE_SOUND_VOLUME
 236 void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
 237 {
 238         if(ch == 0) {
 239                 beep->set_volume(0, decibel_l, decibel_r);
 240         } else if(ch == 1) {
 241                 drec->set_volume(0, decibel_l, decibel_r);
 242         } else if(ch == 2) {
 243                 fdc->get_context_noise_seek()->set_volume(0, decibel_l, decibel_r);
 244                 fdc->get_context_noise_head_down()->set_volume(0, decibel_l, decibel_r);
 245                 fdc->get_context_noise_head_up()->set_volume(0, decibel_l, decibel_r);
 246         } else if(ch == 3) {
 247                 drec->get_context_noise_play()->set_volume(0, decibel_l, decibel_r);
 248                 drec->get_context_noise_stop()->set_volume(0, decibel_l, decibel_r);
 249                 drec->get_context_noise_fast()->set_volume(0, decibel_l, decibel_r);
 250         }
 251 }
 252 #endif
 253
 254 // ----------------------------------------------------------------------------
 255 // notify key
 256 // ----------------------------------------------------------------------------
 257
 258 void VM::key_down(int code, bool repeat)
 259 {
 260         subbus->key_down(code);
 261 }
 262
 263 void VM::key_up(int code)
 264 {
 265         subbus->key_up(code);
 266 }
 267
 268 // ----------------------------------------------------------------------------
 269 // user interface
 270 // ----------------------------------------------------------------------------
 271
 272 void VM::open_floppy_disk(int drv, const _TCHAR* file_path, int bank)
 273 {
 274         fdc->open_disk(drv, file_path, bank);
 275 }
 276
 277 void VM::close_floppy_disk(int drv)
 278 {
 279         fdc->close_disk(drv);
 280 }
 281
 282 bool VM::is_floppy_disk_inserted(int drv)
 283 {
 284         return fdc->is_disk_inserted(drv);
 285 }
 286
 287 void VM::is_floppy_disk_protected(int drv, bool value)
 288 {
 289         fdc->is_disk_protected(drv, value);
 290 }
 291
 292 bool VM::is_floppy_disk_protected(int drv)
 293 {
 294         return fdc->is_disk_protected(drv);
 295 }
 296
 297 uint32_t VM::is_floppy_disk_accessed()
 298 {
 299         return fdc->read_signal(0);
 300 }
 301
 302 void VM::play_tape(int drv, const _TCHAR* file_path)
 303 {
 304         drec->play_tape(file_path);
 305 //      drec->set_remote(true);
 306 }
 307
 308 void VM::rec_tape(int drv, const _TCHAR* file_path)
 309 {
 310         drec->rec_tape(file_path);
 311 //      drec->set_remote(true);
 312 }
 313
 314 void VM::close_tape(int drv)
 315 {
 316         emu->lock_vm();
 317         drec->close_tape();
 318         emu->unlock_vm();
 319 //      drec->set_remote(false);
 320 }
 321
 322 bool VM::is_tape_inserted(int drv)
 323 {
 324         return drec->is_tape_inserted();
 325 }
 326
 327 bool VM::is_tape_playing(int drv)
 328 {
 329         return drec->is_tape_playing();
 330 }
 331
 332 bool VM::is_tape_recording(int drv)
 333 {
 334         return drec->is_tape_recording();
 335 }
 336
 337 int VM::get_tape_position(int drv)
 338 {
 339         return drec->get_tape_position();
 340 }
 341
 342 const _TCHAR* VM::get_tape_message(int drv)
 343 {
 344         return drec->get_message();
 345 }
 346
 347 void VM::push_play(int drv)
 348 {
 349         drec->set_ff_rew(0);
 350         drec->set_remote(true);
 351 }
 352
 353 void VM::push_stop(int drv)
 354 {
 355         drec->set_remote(false);
 356 }
 357
 358 void VM::push_fast_forward(int drv)
 359 {
 360         drec->set_ff_rew(1);
 361         drec->set_remote(true);
 362 }
 363
 364 void VM::push_fast_rewind(int drv)
 365 {
 366         drec->set_ff_rew(-1);
 367         drec->set_remote(true);
 368 }
 369
 370 bool VM::is_frame_skippable()
 371 {
 372         return event->is_frame_skippable();
 373 }
 374
 375 void VM::update_config()
 376 {
 377         for(DEVICE* device = first_device; device; device = device->next_device) {
 378                 device->update_config();
 379         }
 380 }
 381
 382 #define STATE_VERSION   4
 383
 384 bool VM::process_state(FILEIO* state_fio, bool loading)
 385 {
 386         if(!state_fio->StateCheckUint32(STATE_VERSION)) {
 387                 return false;
 388         }
 389         for(DEVICE* device = first_device; device; device = device->next_device) {
 390                 // Note: typeid(foo).name is fixed by recent ABI.Not dec 6.
 391                 // const char *name = typeid(*device).name();
 392                 //       But, using get_device_name() instead of typeid(foo).name() 20181008 K.O
 393                 const char *name = device->get_device_name();
 394                 int len = strlen(name);
 395
 396                 if(!state_fio->StateCheckInt32(len)) {
 397                         if(loading) {
 398                                 printf("Class name len Error: DEVID=%d EXPECT=%s\n", device->this_device_id, name);
 399                         }
 400                         return false;
 401                 }
 402                 if(!state_fio->StateCheckBuffer(name, len, 1)) {
 403                         if(loading) {
 404                                 printf("Class name Error: DEVID=%d EXPECT=%s\n", device->this_device_id, name);
 405                         }
 406                         return false;
 407                 }
 408                 if(!device->process_state(state_fio, loading)) {
 409                         if(loading) {
 410                                 printf("Data loading Error: DEVID=%d\n", device->this_device_id);
 411                         }
 412                         return false;
 413                 }
 414         }
 415         return true;
 416 }