source/src/vm/phc25/phc25.cpp

   1 /*
   2         SANYO PHC-25 Emulator 'ePHC-25'
   3         SEIKO MAP-1010 Emulator 'eMAP-1010'
   4
   5         Author : Takeda.Toshiya
   6         Date   : 2010.08.03-
   7
   8         [ virtual machine ]
   9 */
  10
  11 #include "phc25.h"
  12 #include "../../emu.h"
  13 #include "../device.h"
  14 #include "../event.h"
  15
  16 #include "../datarec.h"
  17 #include "../io.h"
  18 #include "../mc6847.h"
  19 #include "../noise.h"
  20 #include "../not.h"
  21 //#include "../ym2203.h"
  22 #include "../ay_3_891x.h"
  23 #include "../z80.h"
  24
  25 #ifdef USE_DEBUGGER
  26 #include "../debugger.h"
  27 #endif
  28
  29 #include "joystick.h"
  30 #include "keyboard.h"
  31 #include "memory.h"
  32 #include "system.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         drec = new DATAREC(this, emu);
  47         drec->set_context_noise_play(new NOISE(this, emu));
  48         drec->set_context_noise_stop(new NOISE(this, emu));
  49         drec->set_context_noise_fast(new NOISE(this, emu));
  50         io = new IO(this, emu);
  51         vdp = new MC6847(this, emu);
  52         not_vsync = new NOT(this, emu);
  53 //      psg = new YM2203(this, emu);
  54         psg = new AY_3_891X(this, emu);
  55         cpu = new Z80(this, emu);
  56         not_vsync->set_device_name(_T("NOT GATE(VSYNC)"));
  57
  58         joystick = new JOYSTICK(this, emu);
  59         keyboard = new KEYBOARD(this, emu);
  60         memory = new MEMORY(this, emu);
  61         system = new SYSTEM(this, emu);
  62         // set contexts
  63         event->set_context_cpu(cpu);
  64         event->set_context_sound(psg);
  65         event->set_context_sound(drec);
  66         event->set_context_sound(drec->get_context_noise_play());
  67         event->set_context_sound(drec->get_context_noise_stop());
  68         event->set_context_sound(drec->get_context_noise_fast());
  69
  70         vdp->load_font_image(create_local_path(_T("FONT.ROM")));
  71         vdp->set_vram_ptr(memory->get_vram(), 0x1800);
  72 //      vdp->set_context_cpu(cpu);
  73         vdp->set_context_vsync(not_vsync, SIG_NOT_INPUT, 1);
  74         not_vsync->set_context_out(cpu, SIG_CPU_IRQ, 1);
  75
  76         vdp->set_context_vsync(system, SIG_SYSTEM_PORT, 0x10);
  77         drec->set_context_ear(system, SIG_SYSTEM_PORT, 0x20);
  78         // bit6: printer busy
  79         vdp->set_context_hsync(system, SIG_SYSTEM_PORT, 0x80);
  80
  81         joystick->set_context_psg(psg);
  82 #ifdef _MAP1010
  83         memory->set_context_keyboard(keyboard);
  84 #endif
  85         system->set_context_drec(drec);
  86         system->set_context_vdp(vdp);
  87
  88         // cpu bus
  89         cpu->set_context_mem(memory);
  90         cpu->set_context_io(io);
  91         cpu->set_context_intr(dummy);
  92 #ifdef USE_DEBUGGER
  93         cpu->set_context_debugger(new DEBUGGER(this, emu));
  94 #endif
  95
  96         // i/o bus
  97         io->set_iomap_single_rw(0x40, system);
  98 #ifndef _MAP1010
  99         io->set_iomap_range_r(0x80, 0x88, keyboard);
 100 #endif
 101         io->set_iomap_alias_w(0xc0, psg, 1);    // PSG data
 102         io->set_iomap_alias_w(0xc1, psg, 0);    // PSG ch
 103 //      io->set_iomap_alias_r(0xc0, psg, 1);
 104         io->set_iomap_alias_r(0xc1, psg, 1);    // PSG data
 105
 106         // initialize all devices
 107 #if defined(__GIT_REPO_VERSION)
 108         strncpy(_git_revision, __GIT_REPO_VERSION, sizeof(_git_revision) - 1);
 109 #endif
 110         for(DEVICE* device = first_device; device; device = device->next_device) {
 111                 device->initialize();
 112         }
 113         decl_state();
 114 }
 115
 116 VM::~VM()
 117 {
 118         // delete all devices
 119         for(DEVICE* device = first_device; device;) {
 120                 DEVICE *next_device = device->next_device;
 121                 device->release();
 122                 delete device;
 123                 device = next_device;
 124         }
 125 }
 126
 127 DEVICE* VM::get_device(int id)
 128 {
 129         for(DEVICE* device = first_device; device; device = device->next_device) {
 130                 if(device->this_device_id == id) {
 131                         return device;
 132                 }
 133         }
 134         return NULL;
 135 }
 136
 137 // ----------------------------------------------------------------------------
 138 // drive virtual machine
 139 // ----------------------------------------------------------------------------
 140
 141 void VM::reset()
 142 {
 143         // reset all devices
 144         for(DEVICE* device = first_device; device; device = device->next_device) {
 145                 device->reset();
 146         }
 147 }
 148
 149 void VM::run()
 150 {
 151         event->drive();
 152 }
 153
 154 // ----------------------------------------------------------------------------
 155 // debugger
 156 // ----------------------------------------------------------------------------
 157
 158 #ifdef USE_DEBUGGER
 159 DEVICE *VM::get_cpu(int index)
 160 {
 161         if(index == 0) {
 162                 return cpu;
 163         }
 164         return NULL;
 165 }
 166 #endif
 167
 168 // ----------------------------------------------------------------------------
 169 // draw screen
 170 // ----------------------------------------------------------------------------
 171
 172 void VM::draw_screen()
 173 {
 174         vdp->draw_screen();
 175 }
 176
 177 // ----------------------------------------------------------------------------
 178 // soud manager
 179 // ----------------------------------------------------------------------------
 180
 181 void VM::initialize_sound(int rate, int samples)
 182 {
 183         // init sound manager
 184         event->initialize_sound(rate, samples);
 185
 186         // init sound gen
 187         psg->initialize_sound(rate, 1996750, samples, 0, 0);
 188 }
 189
 190 uint16_t* VM::create_sound(int* extra_frames)
 191 {
 192         return event->create_sound(extra_frames);
 193 }
 194
 195 int VM::get_sound_buffer_ptr()
 196 {
 197         return event->get_sound_buffer_ptr();
 198 }
 199
 200 #ifdef USE_SOUND_VOLUME
 201 void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
 202 {
 203         if(ch == 0) {
 204                 psg->set_volume(1, decibel_l, decibel_r);
 205         } else if(ch == 1) {
 206                 drec->set_volume(0, decibel_l, decibel_r);
 207         } else if(ch == 2) {
 208                 drec->get_context_noise_play()->set_volume(0, decibel_l, decibel_r);
 209                 drec->get_context_noise_stop()->set_volume(0, decibel_l, decibel_r);
 210                 drec->get_context_noise_fast()->set_volume(0, decibel_l, decibel_r);
 211         }
 212 }
 213 #endif
 214
 215 // ----------------------------------------------------------------------------
 216 // user interface
 217 // ----------------------------------------------------------------------------
 218
 219 void VM::play_tape(int drv, const _TCHAR* file_path)
 220 {
 221         drec->play_tape(file_path);
 222 //      drec->set_remote(true);
 223 }
 224
 225 void VM::rec_tape(int drv, const _TCHAR* file_path)
 226 {
 227         drec->rec_tape(file_path);
 228 //      drec->set_remote(true);
 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 }
 238
 239 bool VM::is_tape_inserted(int drv)
 240 {
 241         return drec->is_tape_inserted();
 242 }
 243
 244 bool VM::is_tape_playing(int drv)
 245 {
 246         return drec->is_tape_playing();
 247 }
 248
 249 bool VM::is_tape_recording(int drv)
 250 {
 251         return drec->is_tape_recording();
 252 }
 253
 254 int VM::get_tape_position(int drv)
 255 {
 256         return drec->get_tape_position();
 257 }
 258
 259 const _TCHAR* VM::get_tape_message(int drv)
 260 {
 261         return drec->get_message();
 262 }
 263
 264 void VM::push_play(int drv)
 265 {
 266         drec->set_ff_rew(0);
 267         drec->set_remote(true);
 268 }
 269
 270 void VM::push_stop(int drv)
 271 {
 272         drec->set_remote(false);
 273 }
 274
 275 void VM::push_fast_forward(int drv)
 276 {
 277         drec->set_ff_rew(1);
 278         drec->set_remote(true);
 279 }
 280
 281 void VM::push_fast_rewind(int drv)
 282 {
 283         drec->set_ff_rew(-1);
 284         drec->set_remote(true);
 285 }
 286
 287 bool VM::is_frame_skippable()
 288 {
 289         return event->is_frame_skippable();
 290 }
 291
 292 void VM::update_config()
 293 {
 294         for(DEVICE* device = first_device; device; device = device->next_device) {
 295                 device->update_config();
 296         }
 297 }
 298
 299 #define STATE_VERSION   4
 300
 301 #include "../../statesub.h"
 302 #include "../../qt/gui/csp_logger.h"
 303 extern CSP_Logger DLL_PREFIX_I *csp_logger;
 304
 305 void VM::decl_state(void)
 306 {
 307 #if defined(_PHC25)
 308         state_entry = new csp_state_utils(STATE_VERSION, 0, (_TCHAR *)(_T("CSP::PHC_25_HEAD")), csp_logger);
 309 #elif defined(_MAP1010)
 310         state_entry = new csp_state_utils(STATE_VERSION, 0, (_TCHAR *)(_T("CSP::MAP_1010_HEAD")), csp_logger);
 311 #else
 312         state_entry = new csp_state_utils(STATE_VERSION, 0, (_TCHAR *)(_T("CSP::PHC_25_SERIES_HEAD")), csp_logger);
 313 #endif
 314
 315         for(DEVICE* device = first_device; device; device = device->next_device) {
 316                 device->decl_state();
 317         }
 318 }
 319
 320 void VM::save_state(FILEIO* state_fio)
 321 {
 322         //state_fio->FputUint32(STATE_VERSION);
 323         if(state_entry != NULL) {
 324                 state_entry->save_state(state_fio);
 325         }
 326         for(DEVICE* device = first_device; device; device = device->next_device) {
 327                 device->save_state(state_fio);
 328         }
 329 }
 330
 331 bool VM::load_state(FILEIO* state_fio)
 332 {
 333         //if(state_fio->FgetUint32() != STATE_VERSION) {
 334         //      return false;
 335         //}
 336         bool mb = false;
 337         if(state_entry != NULL) {
 338                 mb = state_entry->load_state(state_fio);
 339         }
 340         if(!mb) {
 341                 emu->out_debug_log("INFO: HEADER DATA ERROR");
 342                 return false;
 343         }
 344
 345         for(DEVICE* device = first_device; device; device = device->next_device) {
 346                 if(!device->load_state(state_fio)) {
 347                         return false;
 348                 }
 349         }
 350         return true;
 351 }
 352