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         for(DEVICE* device = first_device; device; device = device->next_device) {
  91                 device->initialize();
  92         }
  93         decl_state();
  94 }
  95
  96 VM::~VM()
  97 {
  98         // delete all devices
  99         for(DEVICE* device = first_device; device;) {
 100                 DEVICE *next_device = device->next_device;
 101                 device->release();
 102                 delete device;
 103                 device = next_device;
 104         }
 105 }
 106
 107 DEVICE* VM::get_device(int id)
 108 {
 109         for(DEVICE* device = first_device; device; device = device->next_device) {
 110                 if(device->this_device_id == id) {
 111                         return device;
 112                 }
 113         }
 114         return NULL;
 115 }
 116
 117 // ----------------------------------------------------------------------------
 118 // drive virtual machine
 119 // ----------------------------------------------------------------------------
 120
 121 void VM::reset()
 122 {
 123         // reset all devices
 124         for(DEVICE* device = first_device; device; device = device->next_device) {
 125                 device->reset();
 126         }
 127 }
 128
 129 void VM::run()
 130 {
 131         event->drive();
 132 }
 133
 134 // ----------------------------------------------------------------------------
 135 // debugger
 136 // ----------------------------------------------------------------------------
 137
 138 #ifdef USE_DEBUGGER
 139 DEVICE *VM::get_cpu(int index)
 140 {
 141         if(index == 0) {
 142                 return cpu;
 143         }
 144         return NULL;
 145 }
 146 #endif
 147
 148 // ----------------------------------------------------------------------------
 149 // draw screen
 150 // ----------------------------------------------------------------------------
 151
 152 void VM::draw_screen()
 153 {
 154         display->draw_screen();
 155 }
 156
 157 int VM::max_draw_ranges()
 158 {
 159         return (config.monitor_type == 0) ? 9 : 8;
 160 }
 161
 162 // ----------------------------------------------------------------------------
 163 // soud manager
 164 // ----------------------------------------------------------------------------
 165
 166 void VM::initialize_sound(int rate, int samples)
 167 {
 168         // init sound manager
 169         event->initialize_sound(rate, samples);
 170
 171         // init sound gen
 172         pcm->initialize_sound(rate, 8000);
 173 }
 174
 175 uint16_t* VM::create_sound(int* extra_frames)
 176 {
 177         return event->create_sound(extra_frames);
 178 }
 179
 180 int VM::get_sound_buffer_ptr()
 181 {
 182         return event->get_sound_buffer_ptr();
 183 }
 184
 185 #ifdef USE_SOUND_VOLUME
 186 void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
 187 {
 188         if(ch == 0) {
 189                 pcm->set_volume(0, decibel_l, decibel_r);
 190         }
 191 }
 192 #endif
 193
 194 // ----------------------------------------------------------------------------
 195 // user interface
 196 // ----------------------------------------------------------------------------
 197
 198 void VM::load_binary(int drv, const _TCHAR* file_path)
 199 {
 200         if(drv == 0) {
 201                 memory->load_binary(file_path);
 202         }
 203 }
 204
 205 void VM::save_binary(int drv, const _TCHAR* file_path)
 206 {
 207         if(drv == 0) {
 208                 memory->save_binary(file_path);
 209         }
 210 }
 211
 212 void VM::play_tape(int drv, const _TCHAR* file_path)
 213 {
 214         cmt->play_tape(file_path);
 215 }
 216
 217 void VM::rec_tape(int drv, const _TCHAR* file_path)
 218 {
 219         cmt->rec_tape(file_path);
 220 }
 221
 222 void VM::close_tape(int drv)
 223 {
 224         cmt->close_tape();
 225 }
 226
 227 bool VM::is_tape_inserted(int drv)
 228 {
 229         return cmt->is_tape_inserted();
 230 }
 231
 232 bool VM::is_frame_skippable()
 233 {
 234         return event->is_frame_skippable();
 235 }
 236
 237 void VM::update_config()
 238 {
 239         for(DEVICE* device = first_device; device; device = device->next_device) {
 240                 device->update_config();
 241         }
 242 }
 243
 244 #define STATE_VERSION   2
 245
 246 #include "../../statesub.h"
 247 #include "../../qt/gui/csp_logger.h"
 248 extern CSP_Logger DLL_PREFIX_I *csp_logger;
 249
 250 void VM::decl_state(void)
 251 {
 252         state_entry = new csp_state_utils(STATE_VERSION, 0, (_TCHAR *)(_T("CSP::EX80_HEAD")), csp_logger);
 253         for(DEVICE* device = first_device; device; device = device->next_device) {
 254                 device->decl_state();
 255         }
 256 }
 257
 258 void VM::save_state(FILEIO* state_fio)
 259 {
 260         //state_fio->FputUint32(STATE_VERSION);
 261
 262         if(state_entry != NULL) {
 263                 state_entry->save_state(state_fio);
 264         }
 265         for(DEVICE* device = first_device; device; device = device->next_device) {
 266                 device->save_state(state_fio);
 267         }
 268 }
 269
 270 bool VM::load_state(FILEIO* state_fio)
 271 {
 272         //if(state_fio->FgetUint32() != STATE_VERSION) {
 273         //      return false;
 274         //}
 275         bool mb = false;
 276         if(state_entry != NULL) {
 277                 mb = state_entry->load_state(state_fio);
 278         }
 279         if(!mb) {
 280                 emu->out_debug_log("INFO: HEADER DATA ERROR");
 281                 return false;
 282         }
 283         for(DEVICE* device = first_device; device; device = device->next_device) {
 284                 if(!device->load_state(state_fio)) {
 285                         return false;
 286                 }
 287         }
 288         return true;
 289 }
 290