source/src/vm/fp1100/fp1100.cpp

   1 /*
   2         CASIO FP-1100 Emulator 'eFP-1100'
   3
   4         Author : Takeda.Toshiya
   5         Date   : 2010.06.18-
   6
   7         [ virtual machine ]
   8 */
   9
  10 #include "fp1100.h"
  11 #include "../../emu.h"
  12 #include "../device.h"
  13 #include "../event.h"
  14
  15 #include "../beep.h"
  16 #include "../datarec.h"
  17 #include "../disk.h"
  18 #include "../hd46505.h"
  19 #include "../upd765a.h"
  20 #include "../upd7801.h"
  21 #include "../z80.h"
  22
  23 #ifdef USE_DEBUGGER
  24 #include "../debugger.h"
  25 #endif
  26
  27 #include "./main.h"
  28 #include "./sub.h"
  29 #include "fdcpack.h"
  30 #include "rampack.h"
  31 #include "rompack.h"
  32
  33 // ----------------------------------------------------------------------------
  34 // initialize
  35 // ----------------------------------------------------------------------------
  36
  37 VM::VM(EMU* parent_emu) : emu(parent_emu)
  38 {
  39         // create devices
  40         first_device = last_device = NULL;
  41         dummy = new DEVICE(this, emu);  // must be 1st device
  42         event = new EVENT(this, emu);   // must be 2nd device
  43 #if defined(_USE_QT)
  44         dummy->set_device_name(_T("1st Dummy"));
  45         event->set_device_name(_T("EVENT"));
  46 #endif
  47         beep = new BEEP(this, emu);
  48         drec = new DATAREC(this, emu);
  49         crtc = new HD46505(this, emu);
  50         fdc = new UPD765A(this, emu);
  51         subcpu = new UPD7801(this, emu);
  52         maincpu = new Z80(this, emu);
  53 #if defined(_USE_QT)
  54         beep->set_device_name(_T("BEEP"));
  55         crtc->set_device_name(_T("HD46505 CRTC"));
  56         subcpu->set_device_name(_T("SUB CPU(uPD7801)"));
  57         maincpu->set_device_name(_T("MAIN CPU(Z80)"));
  58 #endif
  59
  60         mainbus = new MAIN(this, emu);
  61         subbus = new SUB(this, emu);
  62         fdcpack = new FDCPACK(this, emu);
  63         rampack1 = new RAMPACK(this, emu);
  64         rampack1->index = 1;
  65         rampack2 = new RAMPACK(this, emu);
  66         rampack2->index = 2;
  67         rampack3 = new RAMPACK(this, emu);
  68         rampack3->index = 3;
  69         rampack4 = new RAMPACK(this, emu);
  70         rampack4->index = 4;
  71         rampack5 = new RAMPACK(this, emu);
  72         rampack5->index = 5;
  73         rampack6 = new RAMPACK(this, emu);
  74         rampack6->index = 6;
  75         rompack = new ROMPACK(this, emu);
  76 #if defined(_USE_QT)
  77         mainbus->set_device_name(_T("MAIN BUS"));
  78         subbus->set_device_name(_T("SUB BUS"));
  79
  80         fdcpack->set_device_name(_T("FDD PACK"));
  81         rampack1->set_device_name(_T("RAM PACK #1"));
  82         rampack2->set_device_name(_T("RAM PACK #2"));
  83         rampack3->set_device_name(_T("RAM PACK #3"));
  84         rampack4->set_device_name(_T("RAM PACK #4"));
  85         rampack5->set_device_name(_T("RAM PACK #5"));
  86         rampack6->set_device_name(_T("RAM PACK #6"));
  87         rompack->set_device_name(_T("ROM PACK"));
  88 #endif
  89         // set contexts
  90         event->set_context_cpu(maincpu);
  91         event->set_context_cpu(subcpu, SUB_CPU_CLOCKS);
  92         event->set_context_sound(beep);
  93         event->set_context_sound(drec);
  94
  95         drec->set_context_ear(subbus, SIG_SUB_EAR, 1);
  96         crtc->set_context_hsync(subbus, SIG_SUB_HSYNC, 1);
  97         fdc->set_context_drq(mainbus, SIG_MAIN_INTA, 1);
  98         fdc->set_context_irq(mainbus, SIG_MAIN_INTB, 1);
  99         subcpu->set_context_so(subbus, SIG_SUB_SO, 1);
 100
 101         mainbus->set_context_cpu(maincpu);
 102         mainbus->set_context_sub(subbus);
 103         mainbus->set_context_slot(0, fdcpack);
 104         mainbus->set_context_slot(1, rampack1);
 105         mainbus->set_context_slot(2, rampack2);
 106         mainbus->set_context_slot(3, rampack3);
 107         mainbus->set_context_slot(4, rampack4);
 108         mainbus->set_context_slot(5, rampack5);
 109         mainbus->set_context_slot(6, rampack6);
 110         mainbus->set_context_slot(7, rompack);
 111
 112         subbus->set_context_cpu(subcpu);
 113         subbus->set_context_main(mainbus);
 114         subbus->set_context_beep(beep);
 115         subbus->set_context_drec(drec);
 116         subbus->set_context_crtc(crtc, crtc->get_regs());
 117
 118         fdcpack->set_context_fdc(fdc);
 119
 120         // cpu bus
 121         maincpu->set_context_mem(mainbus);
 122         maincpu->set_context_io(mainbus);
 123         maincpu->set_context_intr(mainbus);
 124 #ifdef USE_DEBUGGER
 125         maincpu->set_context_debugger(new DEBUGGER(this, emu));
 126 #endif
 127         subcpu->set_context_mem(subbus);
 128         subcpu->set_context_io(subbus);
 129 #ifdef USE_DEBUGGER
 130         subcpu->set_context_debugger(new DEBUGGER(this, emu));
 131 #endif
 132
 133         // initialize all devices
 134         for(DEVICE* device = first_device; device; device = device->next_device) {
 135                 device->initialize();
 136         }
 137         for(int i = 0; i < 4; i++) {
 138                 fdc->set_drive_type(i, DRIVE_TYPE_2D);
 139         }
 140 }
 141
 142 VM::~VM()
 143 {
 144         // delete all devices
 145         for(DEVICE* device = first_device; device;) {
 146                 DEVICE *next_device = device->next_device;
 147                 device->release();
 148                 delete device;
 149                 device = next_device;
 150         }
 151 }
 152
 153 DEVICE* VM::get_device(int id)
 154 {
 155         for(DEVICE* device = first_device; device; device = device->next_device) {
 156                 if(device->this_device_id == id) {
 157                         return device;
 158                 }
 159         }
 160         return NULL;
 161 }
 162
 163 // ----------------------------------------------------------------------------
 164 // drive virtual machine
 165 // ----------------------------------------------------------------------------
 166
 167 void VM::reset()
 168 {
 169         // reset all devices
 170         for(DEVICE* device = first_device; device; device = device->next_device) {
 171                 device->reset();
 172         }
 173 }
 174
 175 void VM::run()
 176 {
 177         event->drive();
 178 }
 179
 180 double VM::get_frame_rate()
 181 {
 182         return event->get_frame_rate();
 183 }
 184
 185 // ----------------------------------------------------------------------------
 186 // debugger
 187 // ----------------------------------------------------------------------------
 188
 189 #ifdef USE_DEBUGGER
 190 DEVICE *VM::get_cpu(int index)
 191 {
 192         if(index == 0) {
 193                 return maincpu;
 194         } else if(index == 1) {
 195                 return subcpu;
 196         }
 197         return NULL;
 198 }
 199 #endif
 200
 201 // ----------------------------------------------------------------------------
 202 // draw screen
 203 // ----------------------------------------------------------------------------
 204
 205 void VM::draw_screen()
 206 {
 207         subbus->draw_screen();
 208 }
 209
 210 uint32_t VM::get_access_lamp_status()
 211 {
 212         uint32_t status = fdc->read_signal(0);
 213         return (status & (1 | 4)) ? 1 : (status & (2 | 8)) ? 2 : 0;
 214 }
 215
 216 // ----------------------------------------------------------------------------
 217 // soud manager
 218 // ----------------------------------------------------------------------------
 219
 220 void VM::initialize_sound(int rate, int samples)
 221 {
 222         // init sound manager
 223         event->initialize_sound(rate, samples);
 224
 225         // init sound gen
 226         beep->initialize_sound(rate, 2400, 8000);
 227 }
 228
 229 uint16_t* VM::create_sound(int* extra_frames)
 230 {
 231         return event->create_sound(extra_frames);
 232 }
 233
 234 int VM::get_sound_buffer_ptr()
 235 {
 236         return event->get_sound_buffer_ptr();
 237 }
 238
 239 #ifdef USE_SOUND_VOLUME
 240 void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
 241 {
 242         if(ch == 0) {
 243                 beep->set_volume(0, decibel_l, decibel_r);
 244         } else if(ch == 1) {
 245                 drec->set_volume(0, decibel_l, decibel_r);
 246         }
 247 }
 248 #endif
 249
 250 // ----------------------------------------------------------------------------
 251 // notify key
 252 // ----------------------------------------------------------------------------
 253
 254 void VM::key_down(int code, bool repeat)
 255 {
 256         subbus->key_down(code);
 257 }
 258
 259 void VM::key_up(int code)
 260 {
 261         subbus->key_up(code);
 262 }
 263
 264 // ----------------------------------------------------------------------------
 265 // user interface
 266 // ----------------------------------------------------------------------------
 267
 268 void VM::open_floppy_disk(int drv, const _TCHAR* file_path, int bank)
 269 {
 270         fdc->open_disk(drv, file_path, bank);
 271 }
 272
 273 void VM::close_floppy_disk(int drv)
 274 {
 275         fdc->close_disk(drv);
 276 }
 277
 278 bool VM::is_floppy_disk_inserted(int drv)
 279 {
 280         return fdc->is_disk_inserted(drv);
 281 }
 282
 283 void VM::is_floppy_disk_protected(int drv, bool value)
 284 {
 285         fdc->is_disk_protected(drv, value);
 286 }
 287
 288 bool VM::is_floppy_disk_protected(int drv)
 289 {
 290         return fdc->is_disk_protected(drv);
 291 }
 292
 293 void VM::play_tape(const _TCHAR* file_path)
 294 {
 295         drec->play_tape(file_path);
 296 }
 297
 298 void VM::rec_tape(const _TCHAR* file_path)
 299 {
 300         drec->rec_tape(file_path);
 301 }
 302
 303 void VM::close_tape()
 304 {
 305         drec->close_tape();
 306 }
 307
 308 bool VM::is_tape_inserted()
 309 {
 310         return drec->is_tape_inserted();
 311 }
 312
 313 bool VM::is_tape_playing()
 314 {
 315         return drec->is_tape_playing();
 316 }
 317
 318 bool VM::is_tape_recording()
 319 {
 320         return drec->is_tape_recording();
 321 }
 322
 323 int VM::get_tape_position()
 324 {
 325         return drec->get_tape_position();
 326 }
 327
 328 bool VM::is_frame_skippable()
 329 {
 330         return event->is_frame_skippable();
 331 }
 332
 333 void VM::update_config()
 334 {
 335         for(DEVICE* device = first_device; device; device = device->next_device) {
 336                 device->update_config();
 337         }
 338 }
 339
 340 #define STATE_VERSION   2
 341
 342 void VM::save_state(FILEIO* state_fio)
 343 {
 344         state_fio->FputUint32(STATE_VERSION);
 345
 346         for(DEVICE* device = first_device; device; device = device->next_device) {
 347                 device->save_state(state_fio);
 348         }
 349 }
 350
 351 bool VM::load_state(FILEIO* state_fio)
 352 {
 353         if(state_fio->FgetUint32() != STATE_VERSION) {
 354                 return false;
 355         }
 356         for(DEVICE* device = first_device; device; device = device->next_device) {
 357                 if(!device->load_state(state_fio)) {
 358                         return false;
 359                 }
 360         }
 361         return true;
 362 }
 363