source/src/vm/smb80te/smb80te.cpp

   1 /*
   2         SHARP SM-B-80TE Emulator 'eSM-B-80TE'
   3
   4         Author : Takeda.Toshiya
   5         Date   : 2016.12.29-
   6
   7         [ virtual machine ]
   8 */
   9
  10 #include "smb80te.h"
  11 #include "../../emu.h"
  12 #include "../device.h"
  13 #include "../event.h"
  14
  15 #include "../datarec.h"
  16 #include "../io.h"
  17 #include "../noise.h"
  18 #include "../not.h"
  19 #include "../z80.h"
  20 #include "../z80pio.h"
  21
  22 #ifdef USE_DEBUGGER
  23 #include "../debugger.h"
  24 #endif
  25
  26 #include "memory.h"
  27
  28 // ----------------------------------------------------------------------------
  29 // initialize
  30 // ----------------------------------------------------------------------------
  31
  32 VM::VM(EMU* parent_emu) : VM_TEMPLATE(parent_emu)
  33 {
  34         // create devices
  35         first_device = last_device = NULL;
  36         dummy = new DEVICE(this, emu);  // must be 1st device
  37         event = new EVENT(this, emu);   // must be 2nd device
  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         io = new IO(this, emu);
  44         not_ear = new NOT(this, emu);
  45         cpu = new Z80(this, emu);
  46         pio1 = new Z80PIO(this, emu);
  47         pio1->set_device_name(_T("8255 PIO (LEDs/Keyboard/CMT)"));
  48         pio2 = new Z80PIO(this, emu);
  49         pio2->set_device_name(_T("8255 PIO (User)"));
  50
  51         memory = new MEMORY(this, emu);
  52
  53         // set contexts
  54         event->set_context_cpu(cpu);
  55         event->set_context_sound(drec);
  56         event->set_context_sound(drec->get_context_noise_play());
  57         event->set_context_sound(drec->get_context_noise_stop());
  58         event->set_context_sound(drec->get_context_noise_fast());
  59
  60         // PIO1 PA0-7   -> 7seg-LED data
  61         pio1->set_context_port_a(memory, SIG_MEMORY_PIO1_PA, 0xff, 0);
  62         // PIO1 PB0-2   <- Keyboard data
  63         // PIO1 PB3-5   -> 7seg-LED/Keyboard column
  64         pio1->set_context_port_b(memory, SIG_MEMORY_PIO1_PB, 0x38, 0);
  65         // PIO1 PB6     -> MIC
  66         pio1->set_context_port_b(drec, SIG_DATAREC_MIC, 0x40, 0);
  67         // PIO1 PB7     <- NOT <- EAR
  68         drec->set_context_ear(not_ear, SIG_NOT_INPUT, 1);
  69         not_ear->set_context_out(pio1, SIG_Z80PIO_PORT_B, 0x80);
  70
  71         memory->set_context_cpu(cpu);
  72         memory->set_context_drec(drec);
  73         memory->set_context_pio1(pio1);
  74
  75         // cpu bus
  76         cpu->set_context_mem(memory);
  77         cpu->set_context_io(io);
  78         cpu->set_context_intr(pio1);
  79
  80         // z80 family daisy chain
  81         pio1->set_context_intr(cpu, 0);
  82         pio1->set_context_child(pio2);
  83         pio2->set_context_intr(cpu, 1);
  84 #ifdef USE_DEBUGGER
  85         cpu->set_context_debugger(new DEBUGGER(this, emu));
  86 #endif
  87
  88         // i/o bus
  89         io->set_iomap_range_rw(0xd0, 0xd3, pio1);
  90         io->set_iomap_range_rw(0xd4, 0xd7, pio2);
  91         io->set_iomap_range_rw(0xd8, 0xdb, memory);
  92
  93         // initialize all devices
  94         for(DEVICE* device = first_device; device; device = device->next_device) {
  95                 device->initialize();
  96         }
  97         decl_state();
  98 }
  99
 100 VM::~VM()
 101 {
 102         // delete all devices
 103         for(DEVICE* device = first_device; device;) {
 104                 DEVICE *next_device = device->next_device;
 105                 device->release();
 106                 delete device;
 107                 device = next_device;
 108         }
 109 }
 110
 111 DEVICE* VM::get_device(int id)
 112 {
 113         for(DEVICE* device = first_device; device; device = device->next_device) {
 114                 if(device->this_device_id == id) {
 115                         return device;
 116                 }
 117         }
 118         return NULL;
 119 }
 120
 121 // ----------------------------------------------------------------------------
 122 // drive virtual machine
 123 // ----------------------------------------------------------------------------
 124
 125 void VM::reset()
 126 {
 127         // reset all devices
 128         for(DEVICE* device = first_device; device; device = device->next_device) {
 129                 device->reset();
 130         }
 131 }
 132
 133 void VM::run()
 134 {
 135         event->drive();
 136 }
 137
 138 double VM::get_frame_rate()
 139 {
 140         return event->get_frame_rate();
 141 }
 142
 143 // ----------------------------------------------------------------------------
 144 // debugger
 145 // ----------------------------------------------------------------------------
 146
 147 #ifdef USE_DEBUGGER
 148 DEVICE *VM::get_cpu(int index)
 149 {
 150         if(index == 0) {
 151                 return cpu;
 152         }
 153         return NULL;
 154 }
 155 #endif
 156
 157 // ----------------------------------------------------------------------------
 158 // draw screen
 159 // ----------------------------------------------------------------------------
 160
 161 void VM::draw_screen()
 162 {
 163         memory->draw_screen();
 164 }
 165
 166 // ----------------------------------------------------------------------------
 167 // soud manager
 168 // ----------------------------------------------------------------------------
 169
 170 void VM::initialize_sound(int rate, int samples)
 171 {
 172         // init sound manager
 173         event->initialize_sound(rate, samples);
 174 }
 175
 176 uint16_t* VM::create_sound(int* extra_frames)
 177 {
 178         return event->create_sound(extra_frames);
 179 }
 180
 181 int VM::get_sound_buffer_ptr()
 182 {
 183         return event->get_sound_buffer_ptr();
 184 }
 185
 186 #ifdef USE_SOUND_VOLUME
 187 void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
 188 {
 189         if(ch == 0) {
 190                 drec->set_volume(0, decibel_l, decibel_r);
 191         } else if(ch == 1) {
 192                 drec->get_context_noise_play()->set_volume(0, decibel_l, decibel_r);
 193                 drec->get_context_noise_stop()->set_volume(0, decibel_l, decibel_r);
 194                 drec->get_context_noise_fast()->set_volume(0, decibel_l, decibel_r);
 195         }
 196 }
 197 #endif
 198
 199 // ----------------------------------------------------------------------------
 200 // notify key
 201 // ----------------------------------------------------------------------------
 202
 203 void VM::key_down(int code, bool repeat)
 204 {
 205         if(code == 0x97 && !repeat) {
 206                 reset();
 207         }
 208 }
 209
 210 void VM::key_up(int code)
 211 {
 212 }
 213
 214 // ----------------------------------------------------------------------------
 215 // user interface
 216 // ----------------------------------------------------------------------------
 217
 218 void VM::play_tape(int drv, const _TCHAR* file_path)
 219 {
 220         drec->play_tape(file_path);
 221 //      drec->set_remote(true);
 222 }
 223
 224 void VM::rec_tape(int drv, const _TCHAR* file_path)
 225 {
 226         drec->rec_tape(file_path);
 227 //      drec->set_remote(true);
 228 }
 229
 230 void VM::close_tape(int drv)
 231 {
 232         emu->lock_vm();
 233         drec->close_tape();
 234         emu->unlock_vm();
 235 //      drec->set_remote(false);
 236 }
 237
 238 bool VM::is_tape_inserted(int drv)
 239 {
 240         return drec->is_tape_inserted();
 241 }
 242
 243 bool VM::is_tape_playing(int drv)
 244 {
 245         return drec->is_tape_playing();
 246 }
 247
 248 bool VM::is_tape_recording(int drv)
 249 {
 250         return drec->is_tape_recording();
 251 }
 252
 253 int VM::get_tape_position(int drv)
 254 {
 255         return drec->get_tape_position();
 256 }
 257
 258 const _TCHAR* VM::get_tape_message(int drv)
 259 {
 260         return drec->get_message();
 261 }
 262
 263 void VM::push_play(int drv)
 264 {
 265         drec->set_ff_rew(0);
 266         drec->set_remote(true);
 267 }
 268
 269 void VM::push_stop(int drv)
 270 {
 271         drec->set_remote(false);
 272 }
 273
 274 void VM::push_fast_forward(int drv)
 275 {
 276         drec->set_ff_rew(1);
 277         drec->set_remote(true);
 278 }
 279
 280 void VM::push_fast_rewind(int drv)
 281 {
 282         drec->set_ff_rew(-1);
 283         drec->set_remote(true);
 284 }
 285
 286 void VM::load_binary(int drv, const _TCHAR* file_path)
 287 {
 288         if(drv == 0) {
 289                 memory->load_ram(file_path);
 290         }
 291 }
 292
 293 void VM::save_binary(int drv, const _TCHAR* file_path)
 294 {
 295         if(drv == 0) {
 296                 memory->save_ram(file_path);
 297         }
 298 }
 299
 300 bool VM::is_frame_skippable()
 301 {
 302         return event->is_frame_skippable();
 303 }
 304
 305 void VM::update_config()
 306 {
 307         for(DEVICE* device = first_device; device; device = device->next_device) {
 308                 device->update_config();
 309         }
 310 }
 311
 312 #define STATE_VERSION   3
 313
 314 #include "../../statesub.h"
 315 #include "../../qt/gui/csp_logger.h"
 316 extern CSP_Logger DLL_PREFIX_I *csp_logger;
 317
 318 void VM::decl_state(void)
 319 {
 320         state_entry = new csp_state_utils(STATE_VERSION, 0, (_TCHAR *)(_T("CSP::SM_B_80TE_HEAD")), csp_logger);
 321         for(DEVICE* device = first_device; device; device = device->next_device) {
 322                 device->decl_state();
 323         }
 324 }
 325
 326 void VM::save_state(FILEIO* state_fio)
 327 {
 328         //state_fio->FputUint32(STATE_VERSION);
 329
 330         if(state_entry != NULL) {
 331                 state_entry->save_state(state_fio);
 332         }
 333         for(DEVICE* device = first_device; device; device = device->next_device) {
 334                 device->save_state(state_fio);
 335         }
 336 }
 337
 338 bool VM::load_state(FILEIO* state_fio)
 339 {
 340         //if(state_fio->FgetUint32() != STATE_VERSION) {
 341         //      return false;
 342         //}
 343         bool mb = false;
 344         if(state_entry != NULL) {
 345                 mb = state_entry->load_state(state_fio);
 346         }
 347         if(!mb) {
 348                 emu->out_debug_log("INFO: HEADER DATA ERROR");
 349                 return false;
 350         }
 351         for(DEVICE* device = first_device; device; device = device->next_device) {
 352                 if(!device->load_state(state_fio)) {
 353                         return false;
 354                 }
 355         }
 356         return true;
 357 }
 358