source/src/vm/pyuta/pyuta.cpp

   1 /*
   2         TOMY PyuTa Emulator 'ePyuTa'
   3
   4         Author : Takeda.Toshiya
   5         Date   : 2007.07.15 -
   6
   7         [ virtual machine ]
   8 */
   9
  10 #include "pyuta.h"
  11 #include "../../emu.h"
  12 #include "../device.h"
  13 #include "../event.h"
  14
  15 #include "../datarec.h"
  16 #include "../noise.h"
  17 #include "../sn76489an.h"
  18 #include "../tms9918a.h"
  19 #include "../tms9995.h"
  20
  21 #ifdef USE_DEBUGGER
  22 #include "../debugger.h"
  23 #endif
  24
  25 #include "memory.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         psg = new SN76489AN(this, emu);
  44         vdp = new TMS9918A(this, emu);
  45         cpu = new TMS9995(this, emu);
  46
  47         memory = new MEMORY(this, emu);
  48
  49         // set contexts
  50         event->set_context_cpu(cpu);
  51         event->set_context_sound(psg);
  52         event->set_context_sound(drec);
  53         event->set_context_sound(drec->get_context_noise_play());
  54         event->set_context_sound(drec->get_context_noise_stop());
  55         event->set_context_sound(drec->get_context_noise_fast());
  56
  57         drec->set_context_ear(memory, 0, 1);
  58         memory->set_context_cmt(drec);
  59         memory->set_context_cpu(cpu);
  60         memory->set_context_psg(psg);
  61         memory->set_context_vdp(vdp);
  62
  63         // cpu bus
  64         cpu->set_context_mem(memory);
  65         cpu->set_context_io(memory);
  66 #ifdef USE_DEBUGGER
  67         cpu->set_context_debugger(new DEBUGGER(this, emu));
  68 #endif
  69
  70         // initialize all devices
  71         for(DEVICE* device = first_device; device; device = device->next_device) {
  72                 device->initialize();
  73         }
  74         decl_state();
  75 }
  76
  77 VM::~VM()
  78 {
  79         // delete all devices
  80         for(DEVICE* device = first_device; device;) {
  81                 DEVICE *next_device = device->next_device;
  82                 device->release();
  83                 delete device;
  84                 device = next_device;
  85         }
  86 }
  87
  88 DEVICE* VM::get_device(int id)
  89 {
  90         for(DEVICE* device = first_device; device; device = device->next_device) {
  91                 if(device->this_device_id == id) {
  92                         return device;
  93                 }
  94         }
  95         return NULL;
  96 }
  97
  98 // ----------------------------------------------------------------------------
  99 // drive virtual machine
 100 // ----------------------------------------------------------------------------
 101
 102 void VM::reset()
 103 {
 104         // reset all devices
 105         for(DEVICE* device = first_device; device; device = device->next_device) {
 106                 device->reset();
 107         }
 108 }
 109
 110 void VM::run()
 111 {
 112         event->drive();
 113 }
 114
 115 // ----------------------------------------------------------------------------
 116 // debugger
 117 // ----------------------------------------------------------------------------
 118
 119 #ifdef USE_DEBUGGER
 120 DEVICE *VM::get_cpu(int index)
 121 {
 122         if(index == 0) {
 123                 return cpu;
 124         }
 125         return NULL;
 126 }
 127 #endif
 128
 129 // ----------------------------------------------------------------------------
 130 // draw screen
 131 // ----------------------------------------------------------------------------
 132
 133 void VM::draw_screen()
 134 {
 135         vdp->draw_screen();
 136 }
 137
 138 // ----------------------------------------------------------------------------
 139 // soud manager
 140 // ----------------------------------------------------------------------------
 141
 142 void VM::initialize_sound(int rate, int samples)
 143 {
 144         // init sound manager
 145         event->initialize_sound(rate, samples);
 146
 147         // init sound gen
 148         psg->initialize_sound(rate, 3579545, 8000);
 149 }
 150
 151 uint16_t* VM::create_sound(int* extra_frames)
 152 {
 153         return event->create_sound(extra_frames);
 154 }
 155
 156 int VM::get_sound_buffer_ptr()
 157 {
 158         return event->get_sound_buffer_ptr();
 159 }
 160
 161 #ifdef USE_SOUND_VOLUME
 162 void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
 163 {
 164         if(ch == 0) {
 165                 psg->set_volume(0, decibel_l, decibel_r);
 166         } else if(ch == 1) {
 167                 drec->set_volume(0, decibel_l, decibel_r);
 168         } else if(ch == 2) {
 169                 drec->get_context_noise_play()->set_volume(0, decibel_l, decibel_r);
 170                 drec->get_context_noise_stop()->set_volume(0, decibel_l, decibel_r);
 171                 drec->get_context_noise_fast()->set_volume(0, decibel_l, decibel_r);
 172         }
 173 }
 174 #endif
 175
 176 // ----------------------------------------------------------------------------
 177 // user interface
 178 // ----------------------------------------------------------------------------
 179
 180 void VM::open_cart(int drv, const _TCHAR* file_path)
 181 {
 182         if(drv == 0) {
 183                 memory->open_cart(file_path);
 184                 reset();
 185         }
 186 }
 187
 188 void VM::close_cart(int drv)
 189 {
 190         if(drv == 0) {
 191                 memory->close_cart();
 192                 reset();
 193         }
 194 }
 195
 196 bool VM::is_cart_inserted(int drv)
 197 {
 198         if(drv == 0) {
 199                 return memory->is_cart_inserted();
 200         } else {
 201                 return false;
 202         }
 203 }
 204
 205 void VM::play_tape(int drv, const _TCHAR* file_path)
 206 {
 207         drec->play_tape(file_path);
 208 //      drec->set_remote(true);
 209 }
 210
 211 void VM::rec_tape(int drv, const _TCHAR* file_path)
 212 {
 213         drec->rec_tape(file_path);
 214 //      drec->set_remote(true);
 215 }
 216
 217 void VM::close_tape(int drv)
 218 {
 219         emu->lock_vm();
 220         drec->close_tape();
 221         emu->unlock_vm();
 222 //      drec->set_remote(false);
 223 }
 224
 225 bool VM::is_tape_inserted(int drv)
 226 {
 227         return drec->is_tape_inserted();
 228 }
 229
 230 bool VM::is_tape_playing(int drv)
 231 {
 232         return drec->is_tape_playing();
 233 }
 234
 235 bool VM::is_tape_recording(int drv)
 236 {
 237         return drec->is_tape_recording();
 238 }
 239
 240 int VM::get_tape_position(int drv)
 241 {
 242         return drec->get_tape_position();
 243 }
 244
 245 const _TCHAR* VM::get_tape_message(int drv)
 246 {
 247         return drec->get_message();
 248 }
 249
 250 void VM::push_play(int drv)
 251 {
 252         drec->set_ff_rew(0);
 253         drec->set_remote(true);
 254 }
 255
 256 void VM::push_stop(int drv)
 257 {
 258         drec->set_remote(false);
 259 }
 260
 261 void VM::push_fast_forward(int drv)
 262 {
 263         drec->set_ff_rew(1);
 264         drec->set_remote(true);
 265 }
 266
 267 void VM::push_fast_rewind(int drv)
 268 {
 269         drec->set_ff_rew(-1);
 270         drec->set_remote(true);
 271 }
 272
 273 bool VM::is_frame_skippable()
 274 {
 275         return event->is_frame_skippable();
 276 }
 277
 278 void VM::update_config()
 279 {
 280         for(DEVICE* device = first_device; device; device = device->next_device) {
 281                 device->update_config();
 282         }
 283 }
 284
 285 #define STATE_VERSION   4
 286
 287 #include "../../statesub.h"
 288 #include "../../qt/gui/csp_logger.h"
 289 extern CSP_Logger DLL_PREFIX_I *csp_logger;
 290
 291 void VM::decl_state(void)
 292 {
 293         state_entry = new csp_state_utils(STATE_VERSION, 0, (_TCHAR *)(_T("CSP::PYUTA_HEAD")), csp_logger);
 294
 295         for(DEVICE* device = first_device; device; device = device->next_device) {
 296                 device->decl_state();
 297         }
 298 }
 299
 300 void VM::save_state(FILEIO* state_fio)
 301 {
 302         //state_fio->FputUint32(STATE_VERSION);
 303
 304         if(state_entry != NULL) {
 305                 state_entry->save_state(state_fio);
 306         }
 307         for(DEVICE* device = first_device; device; device = device->next_device) {
 308                 device->save_state(state_fio);
 309         }
 310 }
 311
 312 bool VM::load_state(FILEIO* state_fio)
 313 {
 314         //if(state_fio->FgetUint32() != STATE_VERSION) {
 315         //      return false;
 316         //}
 317
 318         bool mb = false;
 319         if(state_entry != NULL) {
 320                 mb = state_entry->load_state(state_fio);
 321         }
 322         if(!mb) {
 323                 emu->out_debug_log("INFO: HEADER DATA ERROR");
 324                 return false;
 325         }
 326         for(DEVICE* device = first_device; device; device = device->next_device) {
 327                 if(!device->load_state(state_fio)) {
 328                         return false;
 329                 }
 330         }
 331         return true;
 332 }
 333