source/src/vm/fmtowns/fmtowns.cpp

   1 /*
   2         FUJITSU FM-Towns Emulator 'eFMTowns'
   3
   4         Author : Kyuma Ohta <whatisthis.sowhat _at_ gmail.com>
   5         Date   : 2016.12.28 -
   6
   7         [ virtual machine ]
   8         History:
   9                 2016-12-28 Copy from eFMR-50.
  10 */
  11
  12 #include "fmtowns.h"
  13 #include "../../emu.h"
  14 #include "../device.h"
  15 #include "../event.h"
  16
  17 //#include "../hd46505.h"
  18 #include "../i8251.h"
  19 #include "../i8253.h"
  20 #include "../i8259.h"
  21
  22 #include "../i386_np21.h"
  23 //#include "../i386.h"
  24
  25 #include "../io.h"
  26 #include "../mb8877.h"
  27 #include "../msm58321.h"
  28 #include "../noise.h"
  29 #include "../pcm1bit.h"
  30 #include "../harddisk.h"
  31 #include "../scsi_hdd.h"
  32 #include "./towns_scsi_host.h"
  33 #include "../upd71071.h"
  34
  35 #include "./cdrom.h"
  36 #include "./crtc.h"
  37 #include "./dictionary.h"
  38 #include "./dmac.h"
  39 #include "./towns_memory.h"
  40 #include "./sprite.h"
  41 #include "./sysrom.h"
  42 #include "./vram.h"
  43
  44 // Electric Volume
  45 //#include "mb87078.h"
  46 //YM-2612 "OPN2"
  47 //#include "../ym2612.h"
  48 //RF5C68 PCM
  49 #include "rf5c68.h"
  50 //AD7820 ADC
  51 #include "ad7820kr.h"
  52 #include "ym2612.h"
  53 // 80387?
  54
  55 #ifdef USE_DEBUGGER
  56 #include "../debugger.h"
  57 #endif
  58
  59 #include "./adpcm.h"
  60 //#include "./cdc.h"
  61 #include "./floppy.h"
  62 #include "./fontroms.h"
  63 #include "./joystick.h"
  64 #include "./joypad.h"
  65 #include "./keyboard.h"
  66 #include "./msdosrom.h"
  67 #include "./scsi.h"
  68 #include "./serialrom.h"
  69 #include "./timer.h"
  70 #include "./iccard.h"
  71
  72 #include "./planevram.h"
  73
  74 // ----------------------------------------------------------------------------
  75 // initialize
  76 // ----------------------------------------------------------------------------
  77 using FMTOWNS::ADPCM;
  78 //using FMTOWNS::CDC;
  79 using FMTOWNS::DICTIONARY;
  80 using FMTOWNS::FLOPPY;
  81 using FMTOWNS::FONT_ROMS;
  82 using FMTOWNS::JOYSTICK;
  83 using FMTOWNS::JOYPAD;
  84 using FMTOWNS::KEYBOARD;
  85 using FMTOWNS::MSDOSROM;
  86 using FMTOWNS::SCSI;
  87 using FMTOWNS::SERIAL_ROM;
  88 using FMTOWNS::SYSROM;
  89 using FMTOWNS::TIMER;
  90 using FMTOWNS::TOWNS_ICCARD;
  91
  92 using FMTOWNS::TOWNS_CDROM;
  93 using FMTOWNS::TOWNS_CRTC;
  94 using FMTOWNS::TOWNS_DMAC;
  95 using FMTOWNS::TOWNS_MEMORY;
  96 using FMTOWNS::TOWNS_SCSI_HOST;
  97 using FMTOWNS::TOWNS_SPRITE;
  98 using FMTOWNS::TOWNS_VRAM;
  99 using FMTOWNS::PLANEVRAM;
 100
 101
 102 VM::VM(EMU_TEMPLATE* parent_emu) : VM_TEMPLATE(parent_emu)
 103 {
 104 /*
 105         Machine ID & CPU ID
 106
 107         FMR-50FD/HD/LT  0xF8
 108         FMR-50FX/HX     0xE0
 109         FMR-50SFX/SHX   0xE8
 110         FMR-50LT        0xF8
 111         FMR-50NBX       0x28
 112         FMR-50NB        0x60
 113         FMR-50NE/T      0x08
 114         FMR-CARD        0x70
 115
 116         80286           0x00
 117         80386           0x01
 118         80386SX         0x03
 119         80486           0x02
 120 */
 121
 122         // create devices
 123         first_device = last_device = NULL;
 124         dummy = new DEVICE(this, emu);  // must be 1st device
 125         event = new EVENT(this, emu);   // must be 2nd device
 126 #if defined(_USE_QT)
 127         dummy->set_device_name(_T("1st Dummy"));
 128         event->set_device_name(_T("EVENT"));
 129 #endif
 130
 131         cpu = new I386(this, emu);
 132 #if defined(_USE_QT)
 133   #if defined(HAS_I386)
 134         cpu->set_device_name(_T("CPU(i386)"));
 135   #elif defined(HAS_I486)
 136         cpu->set_device_name(_T("CPU(i486)"));
 137   #elif defined(HAS_PENTIUM)
 138         cpu->set_device_name(_T("CPU(Pentium)"));
 139   #endif
 140 #endif
 141
 142         io = new IO(this, emu);
 143
 144         crtc = new TOWNS_CRTC(this, emu);
 145         cdrom = new TOWNS_CDROM(this, emu);
 146
 147         memory = new TOWNS_MEMORY(this, emu);
 148         vram = new TOWNS_VRAM(this, emu);
 149         sprite = new TOWNS_SPRITE(this, emu);
 150         sysrom = new SYSROM(this, emu);
 151         msdosrom = new MSDOSROM(this, emu);
 152         fontrom = new FONT_ROMS(this, emu);
 153         dictionary = new DICTIONARY(this, emu);
 154 #if defined(HAS_20PIX_FONTS)
 155         fontrom_20pix = new FONT_ROM_20PIX(this, emu);
 156 #endif
 157         serialrom = new SERIAL_ROM(this, emu);
 158
 159         adpcm = new ADPCM(this, emu);
 160 //      mixer = new MIXER(this, emu); // Pseudo mixer.
 161
 162         planevram = new PLANEVRAM(this, emu);
 163
 164         adc = new AD7820KR(this, emu);
 165         rf5c68 = new RF5C68(this, emu);
 166 //      e_volume[0] = new MB87878(this, emu);
 167 //      e_volume[1] = new MB87878(this, emu);
 168
 169         sio = new I8251(this, emu);
 170         pit0 = new I8253(this, emu);
 171         pit1 = new I8253(this, emu);
 172         pic = new I8259(this, emu);
 173         fdc = new MB8877(this, emu);
 174         rtc = new MSM58321(this, emu);
 175         beep = new PCM1BIT(this, emu);
 176         opn2 = new YM2612(this, emu);
 177
 178         seek_sound = new NOISE(this, emu);
 179         head_up_sound = new NOISE(this, emu);
 180         head_down_sound = new NOISE(this, emu);
 181
 182 //      scsi_host = new TOWNS_SCSI_HOST(this, emu);
 183         scsi_host = new SCSI_HOST(this, emu);
 184
 185         for(int i = 0; i < 7; i++) {
 186                 scsi_hdd[i] = NULL;
 187         }
 188 #if defined(USE_HARD_DISK)
 189         for(int i = 0; i < USE_HARD_DISK; i++) {
 190                 scsi_hdd[i] = new SCSI_HDD(this, emu);
 191                 scsi_hdd[i]->set_device_name(_T("SCSI Hard Disk Drive #%d"), i + 1);
 192                 scsi_hdd[i]->scsi_id = i ;
 193                 scsi_hdd[i]->set_disk_handler(0, new HARDDISK(emu));
 194                 scsi_hdd[i]->set_context_interface(scsi_host);
 195                 my_sprintf_s(scsi_hdd[i]->vendor_id, 9, "FUJITSU");
 196                 my_sprintf_s(scsi_hdd[i]->product_id, 17, "SCSI-HDD");
 197                 scsi_host->set_context_target(scsi_hdd[i]);
 198         }
 199 #endif
 200         dma = new TOWNS_DMAC(this, emu);
 201         extra_dma = new TOWNS_DMAC(this, emu);
 202
 203         floppy = new FLOPPY(this, emu);
 204         keyboard = new KEYBOARD(this, emu);
 205         joystick = new JOYSTICK(this, emu);
 206         scsi = new SCSI(this, emu);
 207         timer = new TIMER(this, emu);
 208
 209         iccard1 = new TOWNS_ICCARD(this, emu);
 210 #if 0
 211         iccard2 = new TOWNS_ICCARD(this, emu);
 212 #else
 213         iccard2 = NULL;
 214 #endif
 215         joypad[0] = new JOYPAD(this, emu);
 216         joypad[1] = new JOYPAD(this, emu);
 217
 218         uint16_t machine_id = 0x0100; // FM-Towns1
 219         uint16_t cpu_id = 0x0001;     // i386DX
 220         uint32_t cpu_clock = 16000 * 1000; // 16MHz
 221 #if defined(_FMTOWNS1_2ND_GEN)
 222         machine_id = 0x0200;   // 1F/2F/1H/2H
 223 #elif defined(_FMTOWNS_UX_VARIANTS)
 224         machine_id = 0x0300;   // UX10/20/40
 225         cpu_id = 0x0003;       // i386SX
 226 #elif defined(_FMTOWNS1_3RD_GEN)
 227         machine_id = 0x0400;  // 10F/20F.40H/80H
 228 #elif defined(_FMTOWNS2_CX_VARIANTS)
 229         machine_id = 0x0500;  // CX10/20/30/40
 230 #elif defined(_FMTOWNS_UG_VARIANTS)
 231         machine_id = 0x0600;  // UG10/20/40/80
 232         cpu_id = 0x0003;      // i386SX
 233         cpu_clock = 20000 * 1000; // 20MHz
 234 #elif defined(_FMTOWNS_HR_VARIANTS)
 235         machine_id = 0x0700;
 236         cpu_id = 0x0002;      // i486SX
 237         cpu_clock = 20000 * 1000; // 20MHz
 238 #elif defined(_FMTOWNS_HG_VARIANTS)
 239         machine_id = 0x0800;
 240         cpu_clock = 20000 * 1000; // 20MHz
 241 #elif defined(_FMTOWNS_SG_VARIANTS)
 242         machine_id = 0x0800; // OK?
 243 #elif defined(_FMTOWNS_SR_VARIANTS)
 244         machine_id = 0x0700; // OK?
 245         cpu_id = 0x0002;      // i486SX
 246         cpu_clock = 20000 * 1000; // 20MHz
 247 #elif defined(_FMTOWNS_UR_VARIANTS)
 248         machine_id = 0x0900;  // UR10/20/40/80
 249         cpu_id = 0x0002;      // i486DX
 250         cpu_clock = 20000 * 1000; // ToDo: Correct frequency.
 251 #elif defined(_FMTOWNS_MA_VARIANTS)
 252         machine_id = 0x0b00; // OK?
 253         cpu_id = 0x0002;      // i486SX
 254         cpu_clock = 33000 * 1000; // 33MHz
 255 #elif defined(_FMTOWNS_ME_VARIANTS)
 256         machine_id = 0x0d00; // OK?
 257         cpu_id = 0x0002;      // i486SX
 258         cpu_clock = 25000 * 1000; // 25MHz
 259 #elif defined(_FMTOWNS_MF_VARIANTS)
 260         machine_id = 0x0f00; // OK?
 261         cpu_id = 0x0002;      // i486SX
 262         cpu_clock = 33000 * 1000; // 33MHz
 263 #elif defined(_FMTOWNS_MX_VARIANTS)
 264         machine_id = 0x0c00; // OK?
 265         cpu_id = 0x0002;      // i486DX (With FPU?)
 266         cpu_clock = 66000 * 1000; // 66MHz
 267 #elif defined(_FMTOWNS_HC_VARIANTS)
 268         // 20210227 K.O
 269         // From FMTowns::MachineID()  of TSUGARU,
 270         // git 83d4ec2309ac9fcbb8c01f26061ff0d49c5321e4.
 271         machine_id = 0x1100; // OK?
 272         cpu_id = 0x0002;      // Pentium (With FPU?)
 273         cpu_clock = 50000 * 1000; // ToDo: Correctness frequency.
 274 #else
 275         // ToDo: Pentium Model (After HB).
 276
 277 #endif
 278
 279         event->set_frames_per_sec(FRAMES_PER_SEC);
 280         event->set_lines_per_frame(LINES_PER_FRAME);
 281
 282         set_machine_type(machine_id, cpu_id);
 283         // set contexts
 284         event->set_context_cpu(cpu, cpu_clock);
 285
 286         adc_in_ch = -1;
 287         line_in_ch = -1;
 288         modem_in_ch = -1;
 289         mic_in_ch = -1;
 290
 291         // Use pseudo mixer instead of event.Due to using ADC.
 292 #if 0
 293         line_mix_ch = -1;
 294         modem_mix_ch = -1;
 295         mic_mix_ch = -1;
 296         //line_mix_ch = mixer->set_context_sound(line_in);
 297         //modem_mix_ch = mixer->set_context_sound(modem_in);
 298         //mic_mix_ch = mixer->set_context_sound(mic_in);
 299         beep_mix_ch = mixer->set_context_sound(beep);
 300         pcm_mix_ch  = mixer->set_context_sound(rf5c68);
 301         opn2_mix_ch = mixer->set_context_sound(opn2);
 302         cdc_mix_ch = mixer->set_context_sound(cdrom);
 303         mixer->set_interpolate_filter_freq(pcm_mix_ch, 4000); // channel, freq; disable if freq <= 0.
 304         event->set_context_sound(mixer);
 305 #else
 306         // Temporally not use mixer.
 307         event->set_context_sound(beep);
 308         event->set_context_sound(opn2);
 309         event->set_context_sound(rf5c68);
 310         event->set_context_sound(cdrom);
 311 #endif
 312         fdc->set_context_noise_seek(seek_sound);
 313         fdc->set_context_noise_head_down(head_down_sound);
 314         fdc->set_context_noise_head_up(head_up_sound);
 315         event->set_context_sound(seek_sound);
 316         event->set_context_sound(head_down_sound);
 317         event->set_context_sound(head_up_sound);
 318
 319 #ifdef USE_DEBUGGER
 320         pit0->set_context_debugger(new DEBUGGER(this, emu));
 321         pit1->set_context_debugger(new DEBUGGER(this, emu));
 322 #endif
 323         pit0->set_context_ch0(timer, SIG_TIMER_CH0, 1);
 324         pit0->set_context_ch1(timer, SIG_TIMER_CH1, 1);
 325         pit0->set_context_ch2(beep,  SIG_PCM1BIT_SIGNAL, 1);
 326         pit0->set_constant_clock(0, 307200);
 327         pit0->set_constant_clock(1, 307200);
 328         pit0->set_constant_clock(2, 307200);
 329         pit1->set_constant_clock(0, 1229900);
 330         pit1->set_constant_clock(1, 1229900);
 331         pit1->set_constant_clock(2, 1229900);
 332 //      pic->set_context_cpu(cpu);
 333         pic->set_context_cpu(memory);
 334         fdc->set_context_irq(floppy, SIG_FLOPPY_IRQ, 1);
 335         rtc->set_context_data(timer, SIG_TIMER_RTC, 0x0f, 0);
 336         rtc->set_context_busy(timer, SIG_TIMER_RTC_BUSY, 0x80);
 337         scsi_host->set_context_irq(scsi, SIG_SCSI_IRQ, 1);
 338         scsi_host->set_context_drq(scsi, SIG_SCSI_DRQ, 1);
 339         scsi_host->set_context_drq(keyboard, SIG_KEYBOARD_BOOTSEQ_END, 1);
 340
 341         dma->set_context_memory(memory);
 342         dma->set_context_ch0(fdc);
 343         dma->set_context_ch1(scsi_host);
 344         //dma->set_context_ch2(printer);
 345         dma->set_context_ch3(cdrom);
 346         dma->set_context_tc1(scsi, SIG_SCSI_EOT, 0xffffffff);
 347         dma->set_context_tc3(cdrom, SIG_TOWNS_CDROM_DMAINT, 0xffffffff);
 348         dma->set_context_ube1(scsi_host, SIG_SCSI_16BIT_BUS, 0x02);
 349
 350         dma->set_context_child_dma(extra_dma);
 351
 352         floppy->set_context_fdc(fdc);
 353
 354         sprite->set_context_vram(vram);
 355         sprite->set_context_font(fontrom);
 356         sprite->set_context_crtc(crtc);
 357 #ifdef USE_DEBUGGER
 358         sprite->set_context_debugger(new DEBUGGER(this, emu));
 359 #endif
 360
 361         vram->set_context_sprite(sprite);
 362         vram->set_context_crtc(crtc);
 363
 364         planevram->set_context_vram(vram);
 365         planevram->set_context_sprite(sprite);
 366         planevram->set_context_crtc(crtc);
 367
 368         crtc->set_context_sprite(sprite);
 369         crtc->set_context_vram(vram);
 370         crtc->set_context_font(fontrom);
 371
 372         //e_volume[0]->set_context_ch0(line_in, MB87878_VOLUME_LEFT);
 373         //e_volume[0]->set_context_ch1(line_in, MB87878_VOLUME_RIGHT);
 374         //e_volume[0]->set_context_ch2(NULL, MB87878_VOLUME_LEFT);
 375         //e_volume[0]->set_context_ch3(NULL, MB87878_VOLUME_RIGHT);
 376 //      e_volume[1]->set_context_ch0(cdrom, MB87878_VOLUME_LEFT);
 377 //      e_volume[1]->set_context_ch1(cdrom, MB87878_VOLUME_RIGHT);
 378         //e_volume[1]->set_context_ch2(mic, MB87878_VOLUME_LEFT | MB87878_VOLUME_RIGHT);
 379         //e_volume[1]->set_context_ch3(modem, MB87878_VOLUME_LEFT | MB87878_VOLUME_RIGHT);
 380
 381         memory->set_context_cpu(cpu);
 382         memory->set_context_dmac(dma);
 383         memory->set_context_vram(vram);
 384         memory->set_context_planevram(planevram);
 385         memory->set_context_crtc(crtc);
 386         memory->set_context_system_rom(sysrom);
 387         memory->set_context_msdos(msdosrom);
 388         memory->set_context_dictionary(dictionary);
 389         memory->set_context_font_rom(fontrom);
 390         memory->set_context_timer(timer);
 391         memory->set_context_serial_rom(serialrom);
 392         memory->set_context_sprite(sprite);
 393         memory->set_context_pcm(rf5c68);
 394         memory->set_context_iccard(iccard1, 0);
 395         memory->set_context_iccard(iccard2, 1);
 396
 397         adpcm->set_context_opn2(opn2);
 398         adpcm->set_context_rf5c68(rf5c68);
 399         adpcm->set_context_adc(adc);
 400
 401         rf5c68->set_context_interrupt_boundary(adpcm, SIG_ADPCM_WRITE_INTERRUPT, 0xffffffff);
 402 #ifdef USE_DEBUGGER
 403         rf5c68->set_context_debugger(new DEBUGGER(this, emu));
 404 #endif
 405         opn2->set_context_irq(adpcm, SIG_ADPCM_OPX_INTR, 0xffffffff);
 406
 407         adc->set_sample_rate(19200);
 408         adc->set_sound_bank(-1);
 409         adc->set_context_interrupt(adpcm, SIG_ADPCM_ADC_INTR, 0xffffffff);
 410
 411         scsi->set_context_dma(dma);
 412         scsi->set_context_host(scsi_host);
 413         scsi->set_context_pic(pic);
 414         timer->set_context_pcm(beep);
 415         timer->set_context_rtc(rtc);
 416         timer->set_context_halt_line(cpu, SIG_CPU_HALTREQ, 0xffffffff);
 417
 418         joystick->set_context_enable0(joypad[0], SIG_JOYPAD_ENABLE, 0xffffffff);
 419         joystick->set_context_enable1(joypad[1], SIG_JOYPAD_ENABLE, 0xffffffff);
 420         joystick->set_context_mask(joypad[0], SIG_JOYPAD_SELECT_BUS, 0x10); // Mouse0 or joypad0
 421         joystick->set_context_mask(joypad[1], SIG_JOYPAD_SELECT_BUS, 0x20); // Mouse1 or joypad1
 422         joystick->set_context_query(joypad[0], SIG_JOYPAD_QUERY, 0x1);
 423         joystick->set_context_query(joypad[1], SIG_JOYPAD_QUERY, 0x2);
 424
 425         joypad[0]->set_context_port_num(0);
 426         joypad[1]->set_context_port_num(1);
 427         joypad[0]->set_context_data(joystick, SIG_JOYPORT_CH0 | SIG_JOYPORT_TYPE_2BUTTONS | SIG_JOYPORT_DATA, 0xffffffff);
 428         joypad[1]->set_context_data(joystick, SIG_JOYPORT_CH1 | SIG_JOYPORT_TYPE_2BUTTONS | SIG_JOYPORT_DATA, 0xffffffff);
 429
 430         joypad[0]->set_context_com(joystick, SIG_JOYPORT_CH0 | SIG_JOYPORT_TYPE_2BUTTONS | SIG_JOYPORT_COM, 0xffffffff);
 431         joypad[1]->set_context_com(joystick, SIG_JOYPORT_CH1 | SIG_JOYPORT_TYPE_2BUTTONS | SIG_JOYPORT_COM, 0xffffffff);
 432         // cpu bus
 433         cpu->set_context_mem(memory);
 434         cpu->set_context_io(io);
 435         cpu->set_context_intr(pic);
 436         cpu->set_context_dma(dma);
 437         cpu->set_context_bios(NULL);
 438         cpu->set_context_extreset(memory, SIG_FMTOWNS_NOTIFY_RESET, 0xffffffff);
 439 #ifdef USE_DEBUGGER
 440         cpu->set_context_debugger(new DEBUGGER(this, emu));
 441 #endif
 442         // Interrupts
 443         // IRQ0  : TIMER
 444         // IRQ1  : KEYBOARD
 445         // IRQ2  : USART (ToDo)
 446         // IRQ3  : EXTRA USART (ToDo)
 447         // IRQ4  : EXTRA I/O (Maybe not implement)
 448         // IRQ5  : EXTRA I/O (Maybe not implement)
 449         // IRQ6  : FDC
 450         // IRQ7  : Deisy chain (to IRQ8 - 15)
 451         timer->set_context_intr_line(pic, SIG_I8259_CHIP0 | SIG_I8259_IR0, 0xffffffff);
 452         keyboard->set_context_intr_line(pic, SIG_I8259_CHIP0 | SIG_I8259_IR1, 0xffffffff);
 453         floppy->set_context_intr_line(pic, SIG_I8259_CHIP0 | SIG_I8259_IR6, 0xffffffff);
 454
 455         // IRQ8  : SCSI (-> scsi.cpp)
 456         // IRQ9  : CDC/CDROM
 457         // IRQ10 : EXTRA I/O (Maybe not implement)
 458         // IRQ11 : VSYNC
 459         // IRQ12 : PRINTER (ToDo)
 460         // IRQ13 : ADPCM AND OPN2 (Route to adpcm.cpp)
 461         // IRQ14 : EXTRA I/O (Maybe not implement)
 462         // IRQ15 : RESERVED.
 463         cdrom->set_context_mpuint_line(pic, SIG_I8259_CHIP1 | SIG_I8259_IR1, 0xffffffff);
 464         crtc->set_context_vsync(pic, SIG_I8259_CHIP1 | SIG_I8259_IR3, 0xffffffff);
 465         adpcm->set_context_intr_line(pic, SIG_I8259_CHIP1 | SIG_I8259_IR5, 0xffffffff);
 466
 467         // DMA0  : FDC/DRQ
 468         // DMA1  : SCSI (-> scsi.cpp)
 469         // DMA2  : PRINTER (ToDo)
 470         // DMA3  : CDC/CDROM
 471         // EXTRA DMA0 : EXTRA SLOT (Maybe not implement)
 472         // EXTRA DMA1 : Reserved
 473         // EXTRA DMA2 : Reserved
 474         // EXTRA DMA3 : Reserved
 475         fdc->set_context_drq(dma, SIG_UPD71071_CH0, 1);
 476         fdc->set_context_drq(keyboard, SIG_KEYBOARD_BOOTSEQ_END, 1);
 477         cdrom->set_context_drq_line(dma, SIG_UPD71071_CH3, 0xff);
 478         cdrom->set_context_drq_line(keyboard, SIG_KEYBOARD_BOOTSEQ_END, 1);
 479
 480         // NMI0 : KEYBOARD (RAS)
 481         // NMI1 : Extra SLOT (Maybe not implement)
 482         keyboard->set_context_nmi_line(memory, SIG_CPU_NMI, 0xffffffff);
 483
 484         cdrom->set_context_dmac(dma);
 485         // For Debugging, will remove 20200822 K.O
 486         cdrom->set_context_cpu(cpu);
 487
 488         // i/o bus
 489         io->set_iowait_range_rw(0x0000, 0xffff, 6); // ToDo: May variable wait.
 490
 491         io->set_iomap_alias_rw (0x0000, pic, I8259_ADDR_CHIP0 | 0);
 492         io->set_iomap_alias_rw (0x0002, pic, I8259_ADDR_CHIP0 | 1);
 493         io->set_iomap_alias_rw (0x0010, pic, I8259_ADDR_CHIP1 | 0);
 494         io->set_iomap_alias_rw (0x0012, pic, I8259_ADDR_CHIP1 | 1);
 495
 496         io->set_iomap_range_rw (0x0020, 0x0025, memory);
 497         io->set_iomap_range_rw (0x0026, 0x0027, timer);  // Freerun counter
 498         io->set_iomap_single_rw(0x0028, memory);
 499
 500         io->set_iomap_range_r  (0x0030, 0x0031, memory);        // cpu id / machine id
 501         io->set_iomap_single_rw(0x0032, memory);        // serial rom (routed from memory)
 502         io->set_iomap_single_r (0x0034, scsi);  // ENABLE/ UNABLE to WORD DMA for SCSI
 503
 504         io->set_iomap_alias_rw(0x0040, pit0, 0);
 505         io->set_iomap_alias_rw(0x0042, pit0, 1);
 506         io->set_iomap_alias_rw(0x0044, pit0, 2);
 507         io->set_iomap_alias_rw(0x0046, pit0, 3);
 508         io->set_iomap_alias_rw(0x0050, pit1, 0);
 509         io->set_iomap_alias_rw(0x0052, pit1, 1);
 510         io->set_iomap_alias_rw(0x0054, pit1, 2);
 511         io->set_iomap_alias_rw(0x0056, pit1, 3);
 512
 513         io->set_iomap_single_rw(0x0060, timer); // Beep and interrupts register
 514         io->set_iomap_single_rw(0x0068, timer); // Interval timer register2 (after Towns 10F).
 515         io->set_iomap_single_rw(0x006a, timer); // Interval timer register2 (after Towns 10F).
 516         io->set_iomap_single_rw(0x006b, timer); // Interval timer register2 (after Towns 10F).
 517         io->set_iomap_single_rw(0x006c, timer); // 1uS wait register (after Towns 10F).
 518
 519         io->set_iomap_single_rw(0x0070, timer); // RTC DATA
 520         io->set_iomap_single_w (0x0080, timer); // RTC COMMAND
 521
 522         io->set_iomap_range_rw (0x00a0, 0x00af, dma);
 523         io->set_iomap_range_rw (0x00b0, 0x00bf, extra_dma);
 524
 525         io->set_iomap_alias_rw (0x0200, fdc, 0);  // STATUS/COMMAND
 526         io->set_iomap_alias_rw (0x0202, fdc, 1);  // TRACK
 527         io->set_iomap_alias_rw (0x0204, fdc, 2);  // SECTOR
 528         io->set_iomap_alias_rw (0x0206, fdc, 3);  // DATA
 529         io->set_iomap_single_rw(0x0208, floppy);  // DRIVE STATUS / DRIVE CONTROL
 530         io->set_iomap_single_rw(0x020c, floppy);  // DRIVE SELECT
 531         io->set_iomap_single_rw(0x020e, floppy);  // Towns drive SW
 532
 533         io->set_iomap_range_rw (0x0400, 0x0404, memory); // System Status
 534 //      io->set_iomap_range_rw (0x0406, 0x043f, memory); // Reserved
 535
 536         io->set_iomap_range_rw(0x0440, 0x0443, crtc); // CRTC
 537         io->set_iomap_range_rw(0x0448, 0x044f, crtc); // VIDEO OUT (CRTC)
 538
 539         io->set_iomap_range_rw(0x0450, 0x0452, sprite); // SPRITE
 540
 541         io->set_iomap_single_rw(0x0458, vram);         // VRAM ACCESS CONTROLLER (ADDRESS)
 542         io->set_iomap_range_rw (0x045a, 0x045b, vram); // VRAM ACCESS CONTROLLER (DATA)
 543
 544         io->set_iomap_single_rw(0x0480, memory); //  MEMORY REGISTER
 545         io->set_iomap_single_rw(0x0484, dictionary); // Dictionary
 546
 547         io->set_iomap_alias_r(0x48a, iccard1, 0); //
 548         //io->set_iomap_alias_rw(0x490, memory_card); // After Towns2
 549         //io->set_iomap_alias_rw(0x491, memory_card); // After Towns2
 550
 551         io->set_iomap_range_rw(0x04c0, 0x04c6, cdrom); // CDROM
 552         io->set_iomap_range_r (0x04cc, 0x04cd, cdrom); // CDROM
 553         // PAD, Sound
 554
 555         io->set_iomap_single_r(0x04d0, joystick); // Pad1
 556         io->set_iomap_single_r(0x04d2, joystick); // Pad 2
 557         io->set_iomap_single_w(0x04d6, joystick); // Pad out
 558
 559         io->set_iomap_single_rw(0x04d5, adpcm); // mute
 560         // OPN2(YM2612)
 561         io->set_iomap_alias_rw(0x04d8, opn2, 0); // STATUS(R)/Addrreg 0(W)
 562         io->set_iomap_alias_w (0x04da, opn2, 1);  // Datareg 0(W)
 563         io->set_iomap_alias_w (0x04dc, opn2, 2);  // Addrreg 1(W)
 564         io->set_iomap_alias_w (0x04de, opn2, 3);  // Datareg 1(W)
 565         // Electrical volume
 566 //      io->set_iomap_alias_rw(0x04e0, e_volume[0], 0);
 567 //      io->set_iomap_alias_rw(0x04e1, e_volume[0], 1);
 568 //      io->set_iomap_alias_rw(0x04e2, e_volume[1], 0);
 569 //      io->set_iomap_alias_rw(0x04e3, e_volume[1], 1);
 570
 571         // ADPCM
 572         io->set_iomap_range_rw(0x04e7, 0x04ec, adpcm); // A/D SAMPLING DATA REG
 573         io->set_iomap_range_rw(0x04f0, 0x04f8, rf5c68); // A/D SAMPLING DATA REG
 574
 575         io->set_iomap_single_rw(0x05c0, memory); // NMI MASK
 576         io->set_iomap_single_r (0x05c2, memory);  // NMI STATUS
 577         io->set_iomap_single_r (0x05c8, sprite); // TVRAM EMULATION
 578         io->set_iomap_single_w (0x05ca, crtc); // VSYNC INTERRUPT
 579         io->set_iomap_single_rw(0x05e0, memory); //  MEMORY WAIT REGISTER ffrom AB.COM
 580         io->set_iomap_single_rw(0x05e2, memory); // MEMORY WAIT REGISTER ffrom AB.COM
 581         io->set_iomap_single_rw(0x05e8, memory); // RAM capacity register.(later Towns1H/2H/1F/2F).
 582         io->set_iomap_single_rw(0x05ec, memory); // RAM Wait register , ofcially after Towns2, but exists after Towns1H.
 583         io->set_iomap_single_r (0x05ed, memory); // RAM Wait register , ofcially after Towns2, but exists after Towns1H.
 584
 585         io->set_iomap_single_rw(0x0600, keyboard);
 586         io->set_iomap_single_rw(0x0602, keyboard);
 587         io->set_iomap_single_rw(0x0604, keyboard);
 588
 589         //io->set_iomap_single_rw(0x0800, printer);
 590         //io->set_iomap_single_rw(0x0802, printer);
 591         //io->set_iomap_single_rw(0x0804, printer);
 592
 593         io->set_iomap_alias_rw (0x0a00, sio, 0);
 594         io->set_iomap_alias_rw (0x0a02, sio, 1);
 595 //      io->set_iomap_single_r (0x0a04, serial);
 596 //      io->set_iomap_single_r (0x0a06, serial);
 597 //      io->set_iomap_single_w (0x0a08, serial);
 598 //      io->set_iomap_single_rw(0x0a0a, modem);
 599
 600         io->set_iomap_single_rw(0x0c30, scsi);
 601         io->set_iomap_single_rw(0x0c32, scsi);
 602         io->set_iomap_single_r (0x0c34, scsi);
 603
 604         io->set_iomap_range_rw (0x3000, 0x3fff, dictionary); // CMOS
 605
 606         io->set_iomap_range_rw (0xfd90, 0xfda0, crtc);  // Palette and CRTC
 607         io->set_iomap_single_r (0xfda2, crtc);  // CRTC
 608         io->set_iomap_single_rw(0xfda4, memory);        // memory
 609
 610         io->set_iomap_range_rw (0xff80, 0xff83, planevram);     // MMIO
 611         io->set_iomap_single_r (0xff84, planevram);     // MMIO
 612         io->set_iomap_single_rw(0xff86, planevram);     // MMIO
 613         io->set_iomap_single_rw(0xff88, memory);        // MMIO
 614         io->set_iomap_range_rw (0xff94, 0xff99, memory);        // MMIO
 615         io->set_iomap_range_r  (0xff9c, 0xff9d, memory);        // MMIO
 616         io->set_iomap_single_rw(0xff9e, memory);        // MMIO
 617         io->set_iomap_single_rw(0xffa0, planevram);     // MMIO
 618
 619 //      io->set_iomap_range_w (0xff94, 0xff95, fontrom);
 620 //      io->set_iomap_range_r (0xff96, 0xff97, fontrom);
 621
 622         // Vram allocation may be before initialize().
 623         // initialize all devices
 624 #if defined(__GIT_REPO_VERSION)
 625         strncpy(_git_revision, __GIT_REPO_VERSION, sizeof(_git_revision) - 1);
 626 #endif
 627         // ToDo : Use config framework
 628         int exram_size = config.current_ram_size;
 629         if(exram_size < 1) {
 630                 if(machine_id < 0x0200) { // Model1 - 2H
 631                         exram_size = 6;
 632                 } else if(machine_id == 0x0500) { // CX
 633                         exram_size = 15;
 634                 } else if(machine_id < 0x0700) {  // 10F,20H
 635                         exram_size = 8;
 636                 } else if(machine_id == 0x0800) { // HG
 637                         exram_size = 15;
 638                 } else {
 639                         exram_size = 31;
 640                 }
 641         }
 642         if(exram_size < MIN_RAM_SIZE) {
 643                 exram_size = MIN_RAM_SIZE;
 644         }
 645
 646         memory->set_extra_ram_size(exram_size);
 647
 648 #if defined(WITH_I386SX)
 649         cpu->device_model = INTEL_80386;
 650 #elif defined(WITH_I486SX)
 651         cpu->device_model = INTEL_I486SX;
 652 #elif defined(WITH_I486DX)
 653         cpu->device_model = INTEL_I486DX;
 654 #elif defined(WITH_PENTIUM)
 655         cpu->device_model = INTEL_PENTIUM;
 656 #else
 657         // I386
 658         cpu->device_model = INTEL_80386;
 659 #endif
 660
 661         for(DEVICE* device = first_device; device; device = device->next_device) {
 662                 device->initialize();
 663         }
 664 //      cpu->set_address_mask(0xffffffff);
 665 }
 666
 667 VM::~VM()
 668 {
 669         // delete all devices
 670         for(DEVICE* device = first_device; device;) {
 671                 DEVICE *next_device = device->next_device;
 672 //              printf("DEVID=%d\n", device->this_device_id);
 673                 device->release();
 674                 delete device;
 675                 device = next_device;
 676         }
 677 }
 678
 679 DEVICE* VM::get_device(int id)
 680 {
 681         for(DEVICE* device = first_device; device; device = device->next_device) {
 682                 if(device->this_device_id == id) {
 683                         return device;
 684                 }
 685         }
 686         return NULL;
 687 }
 688
 689 void VM::set_machine_type(uint16_t machine_id, uint16_t cpu_id)
 690 {
 691         if(memory != NULL) {
 692                 memory->set_cpu_id(cpu_id);
 693                 memory->set_machine_id(machine_id);
 694         }
 695         if(crtc != NULL) {
 696                 crtc->set_cpu_id(cpu_id);
 697                 crtc->set_machine_id(machine_id);
 698         }
 699         if(timer != NULL) {
 700                 timer->set_cpu_id(cpu_id);
 701                 timer->set_machine_id(machine_id);
 702         }
 703         if(cdrom != NULL) {
 704                 cdrom->set_cpu_id(cpu_id);
 705                 cdrom->set_machine_id(machine_id);
 706         }
 707         if(scsi != NULL) {
 708                 scsi->set_cpu_id(cpu_id);
 709                 scsi->set_machine_id(machine_id);
 710         }
 711         if(serialrom != NULL) {
 712                 serialrom->set_cpu_id(cpu_id);
 713                 serialrom->set_machine_id(machine_id);
 714         }
 715         if(floppy != NULL) {
 716                 floppy->set_cpu_id(cpu_id);
 717                 floppy->set_machine_id(machine_id);
 718         }
 719 #if defined(HAS_20PIX_FONTS)
 720         if(fontrom_20pix != NULL) {
 721                 fontrom_20pix->set_cpu_id(cpu_id);
 722                 fontrom_20pix->set_machine_id(machine_id);
 723         }
 724 #endif
 725
 726 }
 727
 728
 729 // ----------------------------------------------------------------------------
 730 // drive virtual machine
 731 // ----------------------------------------------------------------------------
 732
 733 void VM::reset()
 734 {
 735         // reset all devices
 736         boot_seq = true;
 737         for(DEVICE* device = first_device; device; device = device->next_device) {
 738                 device->reset();
 739         }
 740 //      cpu->set_address_mask(0xffffffff);
 741 }
 742
 743 void VM::special_reset(int num)
 744 {
 745         // reset all devices
 746         boot_seq = true;
 747
 748         for(DEVICE* device = first_device; device; device = device->next_device) {
 749                 device->reset();
 750         }
 751         keyboard->special_reset(num);
 752
 753 //      cpu->set_address_mask(0xffffffff);
 754 }
 755
 756 void VM::run()
 757 {
 758         event->drive();
 759 }
 760
 761 // ----------------------------------------------------------------------------
 762 // debugger
 763 // ----------------------------------------------------------------------------
 764
 765 #ifdef USE_DEBUGGER
 766 DEVICE *VM::get_cpu(int index)
 767 {
 768         if(index == 0) {
 769                 return cpu;
 770         }
 771         return NULL;
 772 }
 773 #endif
 774
 775 // ----------------------------------------------------------------------------
 776 // draw screen
 777 // ----------------------------------------------------------------------------
 778
 779 void VM::draw_screen()
 780 {
 781         crtc->draw_screen();
 782 }
 783
 784 uint32_t VM::is_floppy_disk_accessed()
 785 {
 786         uint32_t val = fdc->read_signal(0);
 787         if(boot_seq) {
 788                 if(val != 0) {
 789                         keyboard->write_signal(SIG_KEYBOARD_BOOTSEQ_END, 0xffffffff, 0xffffffff);
 790                         boot_seq = false;
 791                 }
 792         }
 793         return val;
 794 }
 795
 796 // ----------------------------------------------------------------------------
 797 // soud manager
 798 // ----------------------------------------------------------------------------
 799
 800 void VM::initialize_sound(int rate, int samples)
 801 {
 802         emu->lock_vm();
 803         // init sound manager
 804         event->initialize_sound(rate, samples);
 805
 806         // init sound gen
 807         beep->initialize_sound(rate, 8000);
 808
 809         // init OPN2
 810         // MASTER CLOCK MAYBE 600KHz * 12 = 7200KHz .
 811         // From FM-Towns Technical Databook (Rev.2), Page 201
 812         opn2->initialize_sound(rate, (int)(600.0e3 * 12.0) , samples, 0.0, 0.0);
 813         //opn2->initialize_sound(rate, (int)(8000.0e3) , samples, 0.0, 0.0);
 814         //opn2->initialize_sound(rate, (int)(600.0e3 * 6.0) , samples, 0.0, 0.0);
 815
 816         // init PCM
 817         rf5c68->initialize_sound(rate, samples);
 818
 819         // add_sound_in_source() must add after per initialize_sound().
 820         adc_in_ch = event->add_sound_in_source(rate, samples, 2);
 821         adc->set_sample_rate(19200);
 822         adc->set_sound_bank(adc_in_ch);
 823 #if 0
 824         mixer->set_context_out_line(adc_in_ch);
 825         mixer->set_context_sample_out(adc_in_ch, rate, samples); // Must be 2ch.
 826         // ToDo: Check recording sample rate & channels.
 827         mic_in_ch = event->add_sound_in_source(rate, samples, 2);
 828         mixer->set_context_mic_in(mic_in_ch, rate, samples);
 829
 830         line_in_ch = event->add_sound_in_source(rate, samples, 2);
 831         mixer->set_context_line_in(line_in_ch, rate, samples);
 832 #endif
 833         emu->unlock_vm();
 834 }
 835
 836 uint16_t* VM::create_sound(int* extra_frames)
 837 {
 838         return event->create_sound(extra_frames);
 839 }
 840
 841 int VM::get_sound_buffer_ptr()
 842 {
 843         return event->get_sound_buffer_ptr();
 844 }
 845
 846 void VM::clear_sound_in()
 847 {
 848         event->clear_sound_in_source(adc_in_ch);
 849         event->clear_sound_in_source(mic_in_ch);
 850         event->clear_sound_in_source(line_in_ch);
 851         return;
 852 }
 853
 854 int VM::get_sound_in_data(int ch, int32_t* dst, int expect_samples, int expect_rate, int expect_channels)
 855 {
 856         if(dst == NULL) return 0;
 857         if(expect_samples <= 0) return 0;
 858         int n_ch = -1;
 859         switch(ch) {
 860         case 0x00:
 861                 n_ch = line_in_ch;
 862                 break;
 863         case 0x01:
 864                 n_ch = mic_in_ch;
 865                 break;
 866         case 0x100:
 867                 n_ch = adc_in_ch;
 868                 break;
 869         }
 870         if(n_ch < 0) return 0;
 871         int samples = event->get_sound_in_data(n_ch, dst, expect_samples, expect_rate, expect_channels);
 872         return samples;
 873 }
 874
 875 // Write to event's buffer
 876 int VM::sound_in(int ch, int32_t* src, int samples)
 877 {
 878         if(ch < 0) return 0;
 879         if(ch >= 2) return 0;
 880         int n_ch = -1;
 881         switch(ch) {
 882         case 0x100:  // ADC in from MIXER, not connected.
 883                 break;
 884         case 0x00: // LINE
 885                 n_ch = line_in_ch;
 886                 break;
 887         case 0x01: // MIC
 888                 n_ch = mic_in_ch;
 889                 break;
 890         }
 891         if(n_ch < 0) return 0;
 892
 893         int ss = 0;
 894         {
 895                 emu->lock_vm();
 896                 ss =  event->write_sound_in_buffer(n_ch, src, samples);
 897                 emu->unlock_vm();
 898
 899         }
 900         return ss;
 901 }
 902
 903 #if defined(USE_HARD_DISK)
 904 void VM::open_hard_disk(int drv, const _TCHAR* file_path)
 905 {
 906         if((drv < USE_HARD_DISK) && (drv < 8) && (drv >= 0)) {
 907                 if(scsi_hdd[drv] != NULL) {
 908                         scsi_hdd[drv]->open(0, file_path, 512);
 909                 }
 910         }
 911 }
 912
 913 void VM::close_hard_disk(int drv)
 914 {
 915         if((drv < USE_HARD_DISK) && (drv < 8) && (drv >= 0)) {
 916                 if(scsi_hdd[drv] != NULL) {
 917                         scsi_hdd[drv]->close(0);
 918                 }
 919         }
 920 }
 921
 922 bool VM::is_hard_disk_inserted(int drv)
 923 {
 924         if((drv < USE_HARD_DISK) && (drv < 8) && (drv >= 0)) {
 925                 if(scsi_hdd[drv] != NULL) {
 926                         return scsi_hdd[drv]->mounted(0);
 927                 }
 928         }
 929         return false;
 930 }
 931
 932 uint32_t VM::is_hard_disk_accessed()
 933 {
 934         uint32_t status = 0;
 935
 936         for(int drv = 0; drv < USE_HARD_DISK; drv++) {
 937                 if(scsi_hdd[drv] != NULL) {
 938                         if(scsi_hdd[drv]->accessed(0)) {
 939                                 status |= 1 << drv;
 940                         }
 941                 }
 942         }
 943         if(boot_seq) {
 944                 if(status != 0) {
 945                         keyboard->write_signal(SIG_KEYBOARD_BOOTSEQ_END, 0xffffffff, 0xffffffff);
 946                         boot_seq = false;
 947                 }
 948         }
 949         return status;
 950 }
 951 #endif // USE_HARD_DISK
 952
 953 void VM::open_compact_disc(int drv, const _TCHAR* file_path)
 954 {
 955         cdrom->open(file_path);
 956 }
 957
 958 void VM::close_compact_disc(int drv)
 959 {
 960         cdrom->close();
 961 }
 962
 963 bool VM::is_compact_disc_inserted(int drv)
 964 {
 965         return cdrom->mounted();
 966 }
 967
 968 uint32_t VM::is_compact_disc_accessed()
 969 {
 970         uint32_t status = cdrom->accessed();
 971         if(boot_seq) {
 972                 if(status != 0) {
 973                         keyboard->write_signal(SIG_KEYBOARD_BOOTSEQ_END, 0xffffffff, 0xffffffff);
 974                         boot_seq = false;
 975                 }
 976         }
 977         return status;
 978 }
 979
 980 #ifdef USE_SOUND_VOLUME
 981 void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
 982 {
 983 #ifndef HAS_LINEIN_SOUND
 984 //      if(ch >= 7) ch++;
 985 #endif
 986 #ifndef HAS_MIC_SOUND
 987 //      if(ch >= 8) ch++;
 988 #endif
 989 #ifndef HAS_MODEM_SOUND
 990 //      if(ch >= 9) ch++;
 991 #endif
 992 #ifndef HAS_2ND_ADPCM
 993 //      if(ch >= 10) ch++;
 994 #endif
 995 #if 0
 996         if(ch == 0) { // BEEP
 997                 mixer->set_volume(beep_mix_ch, decibel_l, decibel_r);
 998         }
 999         else if(ch == 1) { // CD-ROM
1000                 //e_volume[1]->set_volume(0, decibel_l);
1001                 //e_volume[1]->set_volume(1, decibel_r);
1002                 mixer->set_volume(cdc_mix_ch, decibel_l, decibel_r);
1003         }
1004         else if(ch == 2) { // OPN2
1005                 mixer->set_volume(opn2_mix_ch, decibel_l, decibel_r);
1006         }
1007         else if(ch == 3) { // ADPCM
1008                 mixer->set_volume(pcm_mix_ch, decibel_l, decibel_r);
1009         }
1010         else if(ch == 4) { // LINE IN
1011                 //mixer->set_volume(line_mix_ch, decibel_l, decibel_r);
1012         }
1013         else if(ch == 5) { // MIC
1014                 //mic->set_volume(0, (decibel_l + decibel_r) / 2);
1015         }
1016         else if(ch == 6) { // MODEM
1017                 //modem->set_volume(0, (decibel_l + decibel_r) / 2);
1018         }
1019 #ifdef HAS_2ND_ADPCM
1020         else if(ch == 7) { // ADPCM
1021                 adpcm2->set_volume(0, decibel_l, decibel_r);
1022         }
1023 #endif
1024         else if(ch == 8) { // FDD
1025                 fdc->set_volume(0, decibel_l, decibel_r);
1026         }
1027         else if(ch == 9) { // HDD(ToDo)
1028                 fdc->set_volume(0, decibel_l, decibel_r);
1029         }
1030 #else
1031         if(ch == 0) { // BEEP
1032                 beep->set_volume(0, decibel_l, decibel_r);
1033         }
1034         else if(ch == 1) { // CD-ROM
1035                 cdrom->set_volume(0, decibel_l, decibel_r);
1036         }
1037         else if(ch == 2) { // OPN2
1038                 opn2->set_volume(0, decibel_l, decibel_r);
1039         }
1040         else if(ch == 3) { // ADPCM
1041                 rf5c68->set_volume(0, decibel_l, decibel_r);
1042         }
1043         else if(ch == 4) { // SEEK, HEAD UP / DOWN
1044                 seek_sound->set_volume(0, decibel_l, decibel_r);
1045                 head_up_sound->set_volume(0, decibel_l, decibel_r);
1046                 head_down_sound->set_volume(0, decibel_l, decibel_r);
1047         }
1048
1049 #endif
1050 }
1051 #endif
1052
1053 // ----------------------------------------------------------------------------
1054 // notify key
1055 // ----------------------------------------------------------------------------
1056
1057 void VM::key_down(int code, bool repeat)
1058 {
1059         keyboard->key_down(code);
1060 }
1061
1062 void VM::key_up(int code)
1063 {
1064         keyboard->key_up(code);
1065 }
1066
1067 // ----------------------------------------------------------------------------
1068 // user interface
1069 // ----------------------------------------------------------------------------
1070 void VM::open_cart(int drv, const _TCHAR* file_path)
1071 {
1072         switch(drv) {
1073         case 0:
1074                 if(iccard1 != NULL) {
1075                         iccard1->open_cart(file_path);
1076                 }
1077                 break;
1078         case 1:
1079                 if(iccard2 != NULL) {
1080                         iccard2->open_cart(file_path);
1081                 }
1082                 break;
1083         }
1084 }
1085
1086 void VM::close_cart(int drv)
1087 {
1088         switch(drv) {
1089         case 0:
1090                 if(iccard1 != NULL) {
1091                         iccard1->close_cart();
1092                 }
1093                 break;
1094         case 1:
1095                 if(iccard2 != NULL) {
1096                         iccard2->close_cart();
1097                 }
1098                 break;
1099         }
1100 }
1101
1102 bool VM::is_cart_inserted(int drv)
1103 {
1104         switch(drv) {
1105         case 0:
1106                 if(iccard1 != NULL) {
1107                         return iccard1->is_cart_inserted();
1108                 }
1109                 break;
1110         case 1:
1111                 if(iccard2 != NULL) {
1112                         return iccard2->is_cart_inserted();
1113                 }
1114                 break;
1115         }
1116         return false;
1117 }
1118
1119 void VM::open_floppy_disk(int drv, const _TCHAR* file_path, int bank)
1120 {
1121
1122         fdc->open_disk(drv, file_path, bank);
1123         if(fdc->is_disk_inserted(drv)) {
1124                 floppy->change_disk(drv);
1125         }
1126 }
1127
1128 void VM::close_floppy_disk(int drv)
1129 {
1130         fdc->close_disk(drv);
1131 }
1132
1133 bool VM::is_floppy_disk_inserted(int drv)
1134 {
1135         return fdc->is_disk_inserted(drv);
1136 }
1137
1138 void VM::is_floppy_disk_protected(int drv, bool value)
1139 {
1140         fdc->is_disk_protected(drv, value);
1141 }
1142
1143 bool VM::is_floppy_disk_protected(int drv)
1144 {
1145         return fdc->is_disk_protected(drv);
1146 }
1147
1148 bool VM::is_frame_skippable()
1149 {
1150         return event->is_frame_skippable();
1151 }
1152
1153 void VM::update_config()
1154 {
1155         for(DEVICE* device = first_device; device; device = device->next_device) {
1156                 device->update_config();
1157         }
1158 }
1159
1160 double VM::get_current_usec()
1161 {
1162         if(event == NULL) return 0.0;
1163         return event->get_current_usec();
1164 }
1165
1166 uint64_t VM::get_current_clock_uint64()
1167 {
1168                 if(event == NULL) return (uint64_t)0;
1169                 return event->get_current_clock_uint64();
1170 }
1171
1172 #define STATE_VERSION   3
1173
1174 bool VM::process_state(FILEIO* state_fio, bool loading)
1175 {
1176         if(!state_fio->StateCheckUint32(STATE_VERSION)) {
1177                 return false;
1178         }
1179         for(DEVICE* device = first_device; device; device = device->next_device) {
1180                 // Note: typeid(foo).name is fixed by recent ABI.Not decr. 6.
1181                 // const char *name = typeid(*device).name();
1182                 //       But, using get_device_name() instead of typeid(foo).name() 20181008 K.O
1183                 const char *name = device->get_device_name();
1184                 int len = (int)strlen(name);
1185                 if(!state_fio->StateCheckInt32(len)) {
1186                         return false;
1187                 }
1188                 if(!state_fio->StateCheckBuffer(name, len, 1)) {
1189                         return false;
1190                 }
1191                 if(!device->process_state(state_fio, loading)) {
1192                         if(loading) {
1193                                 printf("Data loading Error: DEVID=%d\n", device->this_device_id);
1194                         }
1195                         return false;
1196                 }
1197         }
1198         // Machine specified.
1199         state_fio->StateValue(beep_mix_ch);
1200         state_fio->StateValue(cdc_mix_ch);
1201         state_fio->StateValue(opn2_mix_ch);
1202         state_fio->StateValue(pcm_mix_ch);
1203         state_fio->StateValue(line_mix_ch);
1204         state_fio->StateValue(modem_mix_ch);
1205         state_fio->StateValue(mic_mix_ch);
1206
1207         state_fio->StateValue(boot_seq);
1208
1209         return true;
1210 }
1211