source/src/vm/jr100/jr100.cpp

   1 /*
   2         National JR-100 Emulator 'eJR-100'
   3
   4         Author : Takeda.Toshiya
   5         Date   : 2015.08.27-
   6
   7         [ virtual machine ]
   8 */
   9
  10 #include "jr100.h"
  11 #include "../../emu.h"
  12 #include "../device.h"
  13 #include "../event.h"
  14
  15 #include "../datarec.h"
  16 //#include "../mc6800.h"
  17 #include "../mb8861.h"
  18 #include "../noise.h"
  19 #include "../not.h"
  20 #include "../pcm1bit.h"
  21 #include "../sy6522.h"
  22
  23 #ifdef USE_DEBUGGER
  24 #include "../debugger.h"
  25 #endif
  26
  27 #include "memory.h"
  28
  29 // ----------------------------------------------------------------------------
  30 // initialize
  31 // ----------------------------------------------------------------------------
  32
  33 VM::VM(EMU* parent_emu) : VM_TEMPLATE(parent_emu)
  34 {
  35         // create devices
  36         first_device = last_device = NULL;
  37         dummy = new DEVICE(this, emu);  // must be 1st device
  38         event = new EVENT(this, emu);   // must be 2nd device
  39         dummy->set_device_name(_T("1st Dummy"));
  40
  41         drec = new DATAREC(this, emu);
  42         drec->set_context_noise_play(new NOISE(this, emu));
  43         drec->set_context_noise_stop(new NOISE(this, emu));
  44         drec->set_context_noise_fast(new NOISE(this, emu));
  45         //cpu = new MC6800(this, emu);  // MB8861N
  46         cpu = new MB8861(this, emu);    // MB8861N
  47         not_mic = new NOT(this, emu);
  48         not_mic->set_device_name(_T("NOT Gate (Mic)"));
  49         not_ear = new NOT(this, emu);
  50         not_ear->set_device_name(_T("NOT Gate (Ear)"));
  51         pcm = new PCM1BIT(this, emu);
  52         via = new SY6522(this, emu);
  53
  54         memory = new MEMORY(this, emu);
  55         // set contexts
  56         event->set_context_cpu(cpu);
  57         event->set_context_sound(pcm);
  58         event->set_context_sound(drec);
  59         event->set_context_sound(drec->get_context_noise_play());
  60         event->set_context_sound(drec->get_context_noise_stop());
  61         event->set_context_sound(drec->get_context_noise_fast());
  62
  63         via->set_context_port_a(memory, SIG_MEMORY_VIA_PORT_A, 0xff, 0);
  64         via->set_context_port_b(memory, SIG_MEMORY_VIA_PORT_B, 0xff, 0);
  65         via->set_context_port_b(pcm, SIG_PCM1BIT_SIGNAL, 0x80, 0);      // PB7 -> Speaker
  66         via->set_context_port_b(via, SIG_MEMORY_VIA_PORT_B, 0x80, -1);  // PB7 -> PB6
  67         via->set_context_cb2(not_mic, SIG_NOT_INPUT, 1);                // CB2 -> NOT -> MIC
  68         via->set_constant_clock(CPU_CLOCKS >> 2);
  69         not_mic->set_context_out(drec, SIG_DATAREC_MIC, 1);
  70         drec->set_context_ear(not_ear, SIG_NOT_INPUT, 1);               // EAR -> NOT -> CA1,CB1
  71         not_ear->set_context_out(via, SIG_SY6522_PORT_CA1, 1);
  72         not_ear->set_context_out(via, SIG_SY6522_PORT_CB1, 1);
  73         // Sound:: Force realtime rendering. This is temporally fix. 20161024 K.O
  74         //pcm->set_realtime_render(true);
  75
  76         memory->set_context_via(via);
  77
  78         // cpu bus
  79         cpu->set_context_mem(memory);
  80 #ifdef USE_DEBUGGER
  81         cpu->set_context_debugger(new DEBUGGER(this, emu));
  82 #endif
  83
  84         // initialize all devices
  85         for(DEVICE* device = first_device; device; device = device->next_device) {
  86                 device->initialize();
  87         }
  88         decl_state();
  89 }
  90
  91 VM::~VM()
  92 {
  93         // delete all devices
  94         for(DEVICE* device = first_device; device;) {
  95                 DEVICE *next_device = device->next_device;
  96                 device->release();
  97                 delete device;
  98                 device = next_device;
  99         }
 100 }
 101
 102 DEVICE* VM::get_device(int id)
 103 {
 104         for(DEVICE* device = first_device; device; device = device->next_device) {
 105                 if(device->this_device_id == id) {
 106                         return device;
 107                 }
 108         }
 109         return NULL;
 110 }
 111
 112 // ----------------------------------------------------------------------------
 113 // drive virtual machine
 114 // ----------------------------------------------------------------------------
 115
 116 void VM::reset()
 117 {
 118         // reset all devices
 119         for(DEVICE* device = first_device; device; device = device->next_device) {
 120                 device->reset();
 121         }
 122 }
 123
 124 void VM::special_reset()
 125 {
 126         // reset all devices
 127         for(DEVICE* device = first_device; device; device = device->next_device) {
 128                 device->reset();
 129         }
 130 }
 131
 132 void VM::run()
 133 {
 134         event->drive();
 135 }
 136
 137 double VM::get_frame_rate()
 138 {
 139         return event->get_frame_rate();
 140 }
 141
 142 // ----------------------------------------------------------------------------
 143 // debugger
 144 // ----------------------------------------------------------------------------
 145
 146 #ifdef USE_DEBUGGER
 147 DEVICE *VM::get_cpu(int index)
 148 {
 149         if(index == 0) {
 150                 return cpu;
 151         }
 152         return NULL;
 153 }
 154 #endif
 155
 156 // ----------------------------------------------------------------------------
 157 // draw screen
 158 // ----------------------------------------------------------------------------
 159
 160 void VM::draw_screen()
 161 {
 162         memory->draw_screen();
 163 }
 164
 165 // ----------------------------------------------------------------------------
 166 // soud manager
 167 // ----------------------------------------------------------------------------
 168
 169 void VM::initialize_sound(int rate, int samples)
 170 {
 171         // init sound manager
 172         event->initialize_sound(rate, samples);
 173
 174         // init sound gen
 175         pcm->initialize_sound(rate, 5000);
 176 }
 177
 178 uint16_t* VM::create_sound(int* extra_frames)
 179 {
 180         return event->create_sound(extra_frames);
 181 }
 182
 183 int VM::get_sound_buffer_ptr()
 184 {
 185         return event->get_sound_buffer_ptr();
 186 }
 187
 188 #ifdef USE_SOUND_VOLUME
 189 void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
 190 {
 191         if(ch == 0) {
 192                 pcm->set_volume(0, decibel_l, decibel_r);
 193         } else if(ch == 1) {
 194                 drec->set_volume(0, decibel_l, decibel_r);
 195         } else if(ch == 2) {
 196                 drec->get_context_noise_play()->set_volume(0, decibel_l, decibel_r);
 197                 drec->get_context_noise_stop()->set_volume(0, decibel_l, decibel_r);
 198                 drec->get_context_noise_fast()->set_volume(0, decibel_l, decibel_r);
 199         }
 200 }
 201 #endif
 202
 203 // ----------------------------------------------------------------------------
 204 // user interface
 205 // ----------------------------------------------------------------------------
 206
 207 void VM::play_tape(int drv, const _TCHAR* file_path)
 208 {
 209         drec->play_tape(file_path);
 210 //      drec->set_remote(true);
 211 }
 212
 213 void VM::rec_tape(int drv, const _TCHAR* file_path)
 214 {
 215         drec->rec_tape(file_path);
 216 //      drec->set_remote(true);
 217 }
 218
 219 void VM::close_tape(int drv)
 220 {
 221         emu->lock_vm();
 222         drec->close_tape();
 223         emu->unlock_vm();
 224 //      drec->set_remote(false);
 225 }
 226
 227 bool VM::is_tape_inserted(int drv)
 228 {
 229         return drec->is_tape_inserted();
 230 }
 231
 232 bool VM::is_tape_playing(int drv)
 233 {
 234         return drec->is_tape_playing();
 235 }
 236
 237 bool VM::is_tape_recording(int drv)
 238 {
 239         return drec->is_tape_recording();
 240 }
 241
 242 int VM::get_tape_position(int drv)
 243 {
 244         return drec->get_tape_position();
 245 }
 246
 247 const _TCHAR* VM::get_tape_message(int drv)
 248 {
 249         return drec->get_message();
 250 }
 251
 252 void VM::push_play(int drv)
 253 {
 254         drec->set_ff_rew(0);
 255         drec->set_remote(true);
 256 }
 257
 258 void VM::push_stop(int drv)
 259 {
 260         drec->set_remote(false);
 261 }
 262
 263 void VM::push_fast_forward(int drv)
 264 {
 265         drec->set_ff_rew(1);
 266         drec->set_remote(true);
 267 }
 268
 269 void VM::push_fast_rewind(int drv)
 270 {
 271         drec->set_ff_rew(-1);
 272         drec->set_remote(true);
 273 }
 274
 275 bool VM::is_frame_skippable()
 276 {
 277         return event->is_frame_skippable();
 278 }
 279
 280 void VM::update_config()
 281 {
 282         for(DEVICE* device = first_device; device; device = device->next_device) {
 283                 device->update_config();
 284         }
 285 }
 286
 287 #define STATE_VERSION   3
 288
 289 #include "../../statesub.h"
 290 #include "../../qt/gui/csp_logger.h"
 291 extern CSP_Logger DLL_PREFIX_I *csp_logger;
 292
 293 void VM::decl_state(void)
 294 {
 295         state_entry = new csp_state_utils(STATE_VERSION, 0, (_TCHAR *)(_T("CSP::JR_100_HEAD")), csp_logger);
 296         for(DEVICE* device = first_device; device; device = device->next_device) {
 297                 device->decl_state();
 298         }
 299 }
 300
 301 void VM::save_state(FILEIO* state_fio)
 302 {
 303         //state_fio->FputUint32(STATE_VERSION);
 304
 305         if(state_entry != NULL) {
 306                 state_entry->save_state(state_fio);
 307         }
 308         for(DEVICE* device = first_device; device; device = device->next_device) {
 309                 device->save_state(state_fio);
 310         }
 311 }
 312
 313 bool VM::load_state(FILEIO* state_fio)
 314 {
 315         //if(state_fio->FgetUint32() != STATE_VERSION) {
 316         //      return false;
 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