source/src/vm/ex80/ex80.cpp

   1 /*
   2         TOSHIBA EX-80 Emulator 'eEX-80'
   3
   4         Author : Takeda.Toshiya
   5         Date   : 2015.12.10-
   6
   7         [ virtual machine ]
   8 */
   9
  10 #include "ex80.h"
  11 #include "../../emu.h"
  12 #include "../device.h"
  13 #include "../event.h"
  14
  15 #include "../i8080.h"
  16 #include "../i8251.h"
  17 #include "../i8255.h"
  18 #include "../io.h"
  19 #include "../pcm1bit.h"
  20
  21 #ifdef USE_DEBUGGER
  22 #include "../debugger.h"
  23 #endif
  24
  25 #include "cmt.h"
  26 #include "display.h"
  27 #include "keyboard.h"
  28 #include "memory.h"
  29
  30 // ----------------------------------------------------------------------------
  31 // initialize
  32 // ----------------------------------------------------------------------------
  33
  34 VM::VM(EMU* parent_emu) : VM_TEMPLATE(parent_emu)
  35 {
  36         // create devices
  37         first_device = last_device = NULL;
  38         dummy = new DEVICE(this, emu);  // must be 1st device
  39         event = new EVENT(this, emu);   // must be 2nd device
  40
  41         sio = new I8251(this, emu);
  42         pio = new I8255(this, emu);
  43         io = new IO(this, emu);
  44         pcm = new PCM1BIT(this, emu);
  45         cpu = new I8080(this, emu);
  46
  47         cmt = new CMT(this, emu);
  48         display = new DISPLAY(this, emu);
  49         keyboard = new KEYBOARD(this, emu);
  50         memory = new MEMORY(this, emu);
  51         // Set names
  52 #if defined(_USE_QT)
  53         dummy->set_device_name(_T("1st Dummy"));
  54
  55         pio->set_device_name(_T("i8255(SOUND/KEY/DISPLAY)"));
  56         sio->set_device_name(_T("i8251(CMT)"));
  57         pcm->set_device_name(_T("SOUND OUT"));
  58 #endif
  59
  60         // set contexts
  61         event->set_context_cpu(cpu);
  62         event->set_context_sound(pcm);
  63
  64         sio->set_context_out(cmt, SIG_CMT_OUT);
  65         pio->set_context_port_c(pcm, SIG_PCM1BIT_SIGNAL, 0x08, 0);
  66         pio->set_context_port_c(keyboard, SIG_KEYBOARD_COLUMN, 0x70, 0);
  67         pio->set_context_port_c(display, SIG_DISPLAY_DMA, 0x80, 0);
  68         // Sound:: Force realtime rendering. This is temporally fix. 20161024 K.O
  69         //pcm->set_realtime_render(true);
  70
  71         cmt->set_context_sio(sio);
  72         display->set_context_cpu(cpu);
  73         display->set_ram_ptr(memory->get_ram());
  74         keyboard->set_context_pio(pio);
  75         memory->set_context_cpu(cpu);
  76
  77         // cpu bus
  78         cpu->set_context_mem(memory);
  79         cpu->set_context_io(io);
  80         cpu->set_context_intr(dummy);
  81 #ifdef USE_DEBUGGER
  82         cpu->set_context_debugger(new DEBUGGER(this, emu));
  83 #endif
  84
  85         // io bus
  86         io->set_iomap_range_rw(0xdc, 0xdd, sio);
  87         io->set_iomap_range_rw(0xf8, 0xfb, pio);
  88
  89         // initialize all devices
  90 #if defined(__GIT_REPO_VERSION)
  91         strncpy(_git_revision, __GIT_REPO_VERSION, sizeof(_git_revision) - 1);
  92 #endif
  93         for(DEVICE* device = first_device; device; device = device->next_device) {
  94                 device->initialize();
  95         }
  96         decl_state();
  97 }
  98
  99 VM::~VM()
 100 {
 101         // delete all devices
 102         for(DEVICE* device = first_device; device;) {
 103                 DEVICE *next_device = device->next_device;
 104                 device->release();
 105                 delete device;
 106                 device = next_device;
 107         }
 108 }
 109
 110 DEVICE* VM::get_device(int id)
 111 {
 112         for(DEVICE* device = first_device; device; device = device->next_device) {
 113                 if(device->this_device_id == id) {
 114                         return device;
 115                 }
 116         }
 117         return NULL;
 118 }
 119
 120 // ----------------------------------------------------------------------------
 121 // drive virtual machine
 122 // ----------------------------------------------------------------------------
 123
 124 void VM::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 // ----------------------------------------------------------------------------
 138 // debugger
 139 // ----------------------------------------------------------------------------
 140
 141 #ifdef USE_DEBUGGER
 142 DEVICE *VM::get_cpu(int index)
 143 {
 144         if(index == 0) {
 145                 return cpu;
 146         }
 147         return NULL;
 148 }
 149 #endif
 150
 151 // ----------------------------------------------------------------------------
 152 // draw screen
 153 // ----------------------------------------------------------------------------
 154
 155 void VM::draw_screen()
 156 {
 157         display->draw_screen();
 158 }
 159
 160 int VM::max_draw_ranges()
 161 {
 162         return (config.monitor_type == 0) ? 9 : 8;
 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, 8000);
 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         }
 194 }
 195 #endif
 196
 197 // ----------------------------------------------------------------------------
 198 // user interface
 199 // ----------------------------------------------------------------------------
 200
 201 void VM::load_binary(int drv, const _TCHAR* file_path)
 202 {
 203         if(drv == 0) {
 204                 memory->load_binary(file_path);
 205         }
 206 }
 207
 208 void VM::save_binary(int drv, const _TCHAR* file_path)
 209 {
 210         if(drv == 0) {
 211                 memory->save_binary(file_path);
 212         }
 213 }
 214
 215 void VM::play_tape(int drv, const _TCHAR* file_path)
 216 {
 217         cmt->play_tape(file_path);
 218 }
 219
 220 void VM::rec_tape(int drv, const _TCHAR* file_path)
 221 {
 222         cmt->rec_tape(file_path);
 223 }
 224
 225 void VM::close_tape(int drv)
 226 {
 227         cmt->close_tape();
 228 }
 229
 230 bool VM::is_tape_inserted(int drv)
 231 {
 232         return cmt->is_tape_inserted();
 233 }
 234
 235 bool VM::is_frame_skippable()
 236 {
 237         return event->is_frame_skippable();
 238 }
 239
 240 void VM::update_config()
 241 {
 242         for(DEVICE* device = first_device; device; device = device->next_device) {
 243                 device->update_config();
 244         }
 245 }
 246
 247 #define STATE_VERSION   2
 248
 249 #include "../../statesub.h"
 250 #include "../../qt/gui/csp_logger.h"
 251 extern CSP_Logger DLL_PREFIX_I *csp_logger;
 252
 253 void VM::decl_state(void)
 254 {
 255         state_entry = new csp_state_utils(STATE_VERSION, 0, (_TCHAR *)(_T("CSP::EX80_HEAD")), csp_logger);
 256         for(DEVICE* device = first_device; device; device = device->next_device) {
 257                 device->decl_state();
 258         }
 259 }
 260
 261 void VM::save_state(FILEIO* state_fio)
 262 {
 263         //state_fio->FputUint32(STATE_VERSION);
 264
 265         if(state_entry != NULL) {
 266                 state_entry->save_state(state_fio);
 267         }
 268         for(DEVICE* device = first_device; device; device = device->next_device) {
 269                 device->save_state(state_fio);
 270         }
 271 }
 272
 273 bool VM::load_state(FILEIO* state_fio)
 274 {
 275         //if(state_fio->FgetUint32() != STATE_VERSION) {
 276         //      return false;
 277         //}
 278         bool mb = false;
 279         if(state_entry != NULL) {
 280                 mb = state_entry->load_state(state_fio);
 281         }
 282         if(!mb) {
 283                 emu->out_debug_log("INFO: HEADER DATA ERROR");
 284                 return false;
 285         }
 286         for(DEVICE* device = first_device; device; device = device->next_device) {
 287                 if(!device->load_state(state_fio)) {
 288                         return false;
 289                 }
 290         }
 291         return true;
 292 }
 293