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 PHC25_MEMORY(this, emu);
  61         system = new PHC25_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 }
 114
 115 VM::~VM()
 116 {
 117         // delete all devices
 118         for(DEVICE* device = first_device; device;) {
 119                 DEVICE *next_device = device->next_device;
 120                 device->release();
 121                 delete device;
 122                 device = next_device;
 123         }
 124 }
 125
 126 DEVICE* VM::get_device(int id)
 127 {
 128         for(DEVICE* device = first_device; device; device = device->next_device) {
 129                 if(device->this_device_id == id) {
 130                         return device;
 131                 }
 132         }
 133         return NULL;
 134 }
 135
 136 // ----------------------------------------------------------------------------
 137 // drive virtual machine
 138 // ----------------------------------------------------------------------------
 139
 140 void VM::reset()
 141 {
 142         // reset all devices
 143         for(DEVICE* device = first_device; device; device = device->next_device) {
 144                 device->reset();
 145         }
 146 }
 147
 148 void VM::run()
 149 {
 150         event->drive();
 151 }
 152
 153 // ----------------------------------------------------------------------------
 154 // debugger
 155 // ----------------------------------------------------------------------------
 156
 157 #ifdef USE_DEBUGGER
 158 DEVICE *VM::get_cpu(int index)
 159 {
 160         if(index == 0) {
 161                 return cpu;
 162         }
 163         return NULL;
 164 }
 165 #endif
 166
 167 // ----------------------------------------------------------------------------
 168 // draw screen
 169 // ----------------------------------------------------------------------------
 170
 171 void VM::draw_screen()
 172 {
 173         vdp->draw_screen();
 174 }
 175
 176 // ----------------------------------------------------------------------------
 177 // soud manager
 178 // ----------------------------------------------------------------------------
 179
 180 void VM::initialize_sound(int rate, int samples)
 181 {
 182         // init sound manager
 183         event->initialize_sound(rate, samples);
 184
 185         // init sound gen
 186         psg->initialize_sound(rate, 1996750, samples, 0, 0);
 187 }
 188
 189 uint16_t* VM::create_sound(int* extra_frames)
 190 {
 191         return event->create_sound(extra_frames);
 192 }
 193
 194 int VM::get_sound_buffer_ptr()
 195 {
 196         return event->get_sound_buffer_ptr();
 197 }
 198
 199 #ifdef USE_SOUND_VOLUME
 200 void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
 201 {
 202         if(ch == 0) {
 203                 psg->set_volume(1, decibel_l, decibel_r);
 204         } else if(ch == 1) {
 205                 drec->set_volume(0, decibel_l, decibel_r);
 206         } else if(ch == 2) {
 207                 drec->get_context_noise_play()->set_volume(0, decibel_l, decibel_r);
 208                 drec->get_context_noise_stop()->set_volume(0, decibel_l, decibel_r);
 209                 drec->get_context_noise_fast()->set_volume(0, decibel_l, decibel_r);
 210         }
 211 }
 212 #endif
 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 bool VM::is_frame_skippable()
 287 {
 288         return event->is_frame_skippable();
 289 }
 290
 291 void VM::update_config()
 292 {
 293         for(DEVICE* device = first_device; device; device = device->next_device) {
 294                 device->update_config();
 295         }
 296 }
 297
 298 #define STATE_VERSION   4
 299
 300 bool VM::process_state(FILEIO* state_fio, bool loading)
 301 {
 302         if(!state_fio->StateCheckUint32(STATE_VERSION)) {
 303                 return false;
 304         }
 305         for(DEVICE* device = first_device; device; device = device->next_device) {
 306                 // Note: typeid(foo).name is fixed by recent ABI.Not dec 6.
 307                 // const char *name = typeid(*device).name();
 308                 //       But, using get_device_name() instead of typeid(foo).name() 20181008 K.O
 309                 const char *name = device->get_device_name();
 310                 int len = strlen(name);
 311
 312                 if(!state_fio->StateCheckInt32(len)) {
 313                         if(loading) {
 314                                 printf("Class name len Error: DEVID=%d EXPECT=%s\n", device->this_device_id, name);
 315                         }
 316                         return false;
 317                 }
 318                 if(!state_fio->StateCheckBuffer(name, len, 1)) {
 319                         if(loading) {
 320                                 printf("Class name Error: DEVID=%d EXPECT=%s\n", device->this_device_id, name);
 321                         }
 322                         return false;
 323                 }
 324                 if(!device->process_state(state_fio, loading)) {
 325                         if(loading) {
 326                                 printf("Data loading Error: DEVID=%d\n", device->this_device_id);
 327                         }
 328                         return false;
 329                 }
 330         }
 331         // Machine specified.
 332         return true;
 333 }