source/src/vm/fp200/fp200.cpp

   1 /*
   2         CASIO FP-200 Emulator 'eFP-200'
   3
   4         Author : Takeda.Toshiya
   5         Date   : 2013.03.21-
   6
   7         [ virtual machine ]
   8 */
   9
  10 #include "fp200.h"
  11 #include "../../emu.h"
  12 #include "../device.h"
  13 #include "../event.h"
  14
  15 #include "../datarec.h"
  16 #include "../i8080.h"
  17 #include "../memory.h"
  18 #include "../noise.h"
  19 #include "../rp5c01.h"
  20
  21 #ifdef USE_DEBUGGER
  22 #include "../debugger.h"
  23 #endif
  24
  25 #include "io.h"
  26
  27 // ----------------------------------------------------------------------------
  28 // initialize
  29 // ----------------------------------------------------------------------------
  30
  31 VM::VM(EMU* parent_emu) : VM_TEMPLATE(parent_emu)
  32 {
  33         // create devices
  34         first_device = last_device = NULL;
  35         dummy = new DEVICE(this, emu);  // must be 1st device
  36         event = new EVENT(this, emu);   // must be 2nd device
  37         dummy->set_device_name(_T("1st Dummy"));
  38
  39         drec = new DATAREC(this, emu);
  40         drec->set_context_noise_play(new NOISE(this, emu));
  41         drec->set_context_noise_stop(new NOISE(this, emu));
  42         drec->set_context_noise_fast(new NOISE(this, emu));
  43         cpu = new I8080(this, emu);     // i8085
  44         memory = new MEMORY(this, emu);
  45         rtc = new RP5C01(this, emu);
  46
  47         io = new IO(this, emu);
  48         // set contexts
  49         event->set_context_cpu(cpu);
  50         event->set_context_sound(drec);
  51         event->set_context_sound(drec->get_context_noise_play());
  52         event->set_context_sound(drec->get_context_noise_stop());
  53         event->set_context_sound(drec->get_context_noise_fast());
  54
  55         drec->set_context_ear(io, SIG_IO_CMT, 1);
  56         cpu->set_context_sod(io, SIG_IO_SOD, 1);
  57
  58         io->set_context_cpu(cpu);
  59         io->set_context_drec(drec);
  60         io->set_context_rtc(rtc);
  61
  62         // cpu bus
  63         cpu->set_context_mem(memory);
  64         cpu->set_context_io(io);
  65         cpu->set_context_intr(io);
  66 #ifdef USE_DEBUGGER
  67         cpu->set_context_debugger(new DEBUGGER(this, emu));
  68 #endif
  69
  70         // memory bus
  71         memset(rom, 0xff, sizeof(rom));
  72         memset(ram, 0, sizeof(ram));
  73
  74         memory->read_bios(_T("BIOS.ROM"), rom, sizeof(rom));
  75
  76         FILEIO* fio = new FILEIO();
  77         if(fio->Fopen(create_local_path(_T("RAM.BIN")), FILEIO_READ_BINARY)) {
  78                 fio->Fread(ram, sizeof(ram), 1);
  79                 fio->Fclose();
  80         }
  81         delete fio;
  82
  83         memory->set_memory_r(0x0000, 0x7fff, rom);
  84         memory->set_memory_rw(0x8000, 0xffff, ram);
  85         memory->set_wait_rw(0x0000, 0xffff, 1);
  86
  87         // initialize all devices
  88         for(DEVICE* device = first_device; device; device = device->next_device) {
  89                 device->initialize();
  90         }
  91         decl_state();
  92 }
  93
  94 VM::~VM()
  95 {
  96         FILEIO* fio = new FILEIO();
  97         if(fio->Fopen(create_local_path(_T("RAM.BIN")), FILEIO_WRITE_BINARY)) {
  98                 fio->Fwrite(ram, sizeof(ram), 1);
  99                 fio->Fclose();
 100         }
 101         delete fio;
 102
 103         // delete all devices
 104         for(DEVICE* device = first_device; device;) {
 105                 DEVICE *next_device = device->next_device;
 106                 device->release();
 107                 delete device;
 108                 device = next_device;
 109         }
 110 }
 111
 112 DEVICE* VM::get_device(int id)
 113 {
 114         for(DEVICE* device = first_device; device; device = device->next_device) {
 115                 if(device->this_device_id == id) {
 116                         return device;
 117                 }
 118         }
 119         return NULL;
 120 }
 121
 122 // ----------------------------------------------------------------------------
 123 // drive virtual machine
 124 // ----------------------------------------------------------------------------
 125
 126 void VM::reset()
 127 {
 128         // reset all devices
 129         for(DEVICE* device = first_device; device; device = device->next_device) {
 130                 device->reset();
 131         }
 132 }
 133
 134 void VM::run()
 135 {
 136         event->drive();
 137 }
 138
 139 // ----------------------------------------------------------------------------
 140 // debugger
 141 // ----------------------------------------------------------------------------
 142
 143 #ifdef USE_DEBUGGER
 144 DEVICE *VM::get_cpu(int index)
 145 {
 146         if(index == 0) {
 147                 return cpu;
 148         }
 149         return NULL;
 150 }
 151 #endif
 152
 153 // ----------------------------------------------------------------------------
 154 // draw screen
 155 // ----------------------------------------------------------------------------
 156
 157 void VM::draw_screen()
 158 {
 159         io->draw_screen();
 160 }
 161
 162 // ----------------------------------------------------------------------------
 163 // soud manager
 164 // ----------------------------------------------------------------------------
 165
 166 void VM::initialize_sound(int rate, int samples)
 167 {
 168         // init sound manager
 169         event->initialize_sound(rate, samples);
 170 }
 171
 172 uint16_t* VM::create_sound(int* extra_frames)
 173 {
 174         return event->create_sound(extra_frames);
 175 }
 176
 177 int VM::get_sound_buffer_ptr()
 178 {
 179         return event->get_sound_buffer_ptr();
 180 }
 181
 182 #ifdef USE_SOUND_VOLUME
 183 void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
 184 {
 185         if(ch == 0) {
 186                 drec->set_volume(0, decibel_l, decibel_r);
 187         } else if(ch == 1) {
 188                 drec->get_context_noise_play()->set_volume(0, decibel_l, decibel_r);
 189                 drec->get_context_noise_stop()->set_volume(0, decibel_l, decibel_r);
 190                 drec->get_context_noise_fast()->set_volume(0, decibel_l, decibel_r);
 191         }
 192 }
 193 #endif
 194
 195 // ----------------------------------------------------------------------------
 196 // notify key
 197 // ----------------------------------------------------------------------------
 198
 199 void VM::key_down(int code, bool repeat)
 200 {
 201         if(!repeat) {
 202                 io->key_down(code);
 203         }
 204 }
 205
 206 void VM::key_up(int code)
 207 {
 208         io->key_up();
 209 }
 210
 211 // ----------------------------------------------------------------------------
 212 // user interface
 213 // ----------------------------------------------------------------------------
 214
 215 void VM::play_tape(int drv, const _TCHAR* file_path)
 216 {
 217         io->close_tape();
 218         drec->play_tape(file_path);
 219 //      drec->set_remote(true);
 220 }
 221
 222 void VM::rec_tape(int drv, const _TCHAR* file_path)
 223 {
 224         emu->lock_vm();
 225         drec->close_tape();
 226         emu->unlock_vm();
 227 //      drec->set_remote(false);
 228         io->rec_tape(file_path);
 229 }
 230
 231 void VM::close_tape(int drv)
 232 {
 233         emu->lock_vm();
 234         drec->close_tape();
 235         emu->unlock_vm();
 236 //      drec->set_remote(false);
 237         io->close_tape();
 238 }
 239
 240 bool VM::is_tape_inserted(int drv)
 241 {
 242         return drec->is_tape_inserted() || io->is_tape_inserted();
 243 }
 244
 245 bool VM::is_tape_playing(int drv)
 246 {
 247         if(drec->is_tape_inserted()) {
 248                 return drec->is_tape_playing();
 249         } else {
 250                 return io->is_tape_playing();
 251         }
 252 }
 253
 254 bool VM::is_tape_recording(int drv)
 255 {
 256         if(drec->is_tape_inserted()) {
 257                 return drec->is_tape_recording();
 258         } else {
 259                 return io->is_tape_recording();
 260         }
 261 }
 262
 263 int VM::get_tape_position(int drv)
 264 {
 265         if(drec->is_tape_inserted()) {
 266                 return drec->get_tape_position();
 267         } else {
 268                 return io->get_tape_position();
 269         }
 270 }
 271
 272 const _TCHAR* VM::get_tape_message(int drv)
 273 {
 274         if(drec->is_tape_inserted()) {
 275                 return drec->get_message();
 276         } else {
 277                 return NULL;
 278         }
 279 }
 280
 281 void VM::push_play(int drv)
 282 {
 283         if(drec->is_tape_inserted()) {
 284                 drec->set_ff_rew(0);
 285                 drec->set_remote(true);
 286         }
 287 }
 288
 289 void VM::push_stop(int drv)
 290 {
 291         if(drec->is_tape_inserted()) {
 292                 drec->set_remote(false);
 293         }
 294 }
 295
 296 void VM::push_fast_forward(int drv)
 297 {
 298         if(drec->is_tape_inserted()) {
 299                 drec->set_ff_rew(1);
 300                 drec->set_remote(true);
 301         }
 302 }
 303
 304 void VM::push_fast_rewind(int drv)
 305 {
 306         if(drec->is_tape_inserted()) {
 307                 drec->set_ff_rew(-1);
 308                 drec->set_remote(true);
 309         }
 310 }
 311
 312 bool VM::is_frame_skippable()
 313 {
 314         return event->is_frame_skippable();
 315 }
 316
 317 void VM::update_config()
 318 {
 319         for(DEVICE* device = first_device; device; device = device->next_device) {
 320                 device->update_config();
 321         }
 322 }
 323
 324 #define STATE_VERSION   3
 325
 326 #include "../../statesub.h"
 327 #include "../../qt/gui/csp_logger.h"
 328 extern CSP_Logger DLL_PREFIX_I *csp_logger;
 329
 330 void VM::decl_state(void)
 331 {
 332         state_entry = new csp_state_utils(STATE_VERSION, 0, (_TCHAR *)(_T("CSP::FP_200_HEAD")), csp_logger);
 333         DECL_STATE_ENTRY_MULTI(void, ram, sizeof(ram));
 334         for(DEVICE* device = first_device; device; device = device->next_device) {
 335                 device->decl_state();
 336         }
 337 }
 338 void VM::save_state(FILEIO* state_fio)
 339 {
 340         //state_fio->FputUint32(STATE_VERSION);
 341
 342         if(state_entry != NULL) {
 343                 state_entry->save_state(state_fio);
 344         }
 345         for(DEVICE* device = first_device; device; device = device->next_device) {
 346                 device->save_state(state_fio);
 347         }
 348         //state_fio->Fwrite(ram, sizeof(ram), 1);
 349 }
 350
 351 bool VM::load_state(FILEIO* state_fio)
 352 {
 353         //if(state_fio->FgetUint32() != STATE_VERSION) {
 354         //      return false;
 355         //}
 356         bool mb = false;
 357         if(state_entry != NULL) {
 358                 mb = state_entry->load_state(state_fio);
 359         }
 360         if(!mb) {
 361                 emu->out_debug_log("INFO: HEADER DATA ERROR");
 362                 return false;
 363         }
 364         for(DEVICE* device = first_device; device; device = device->next_device) {
 365                 if(!device->load_state(state_fio)) {
 366                         return false;
 367                 }
 368         }
 369         //state_fio->Fread(ram, sizeof(ram), 1);
 370         return true;
 371 }
 372