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
  24 #include "../io.h"
  25 #include "../mb8877.h"
  26 #include "../msm58321.h"
  27 #include "../noise.h"
  28 #include "../pcm1bit.h"
  29 #include "../harddisk.h"
  30 #include "../scsi_hdd.h"
  31 #include "./towns_scsi_host.h"
  32 #include "../upd71071.h"
  33
  34 #include "towns_cdrom.h"
  35 #include "towns_crtc.h"
  36 #include "towns_dictionary.h"
  37 #include "towns_dmac.h"
  38 #include "towns_memory.h"
  39 #include "towns_sprite.h"
  40 #include "towns_sysrom.h"
  41 #include "towns_vram.h"
  42
  43 // Electric Volume
  44 //#include "mb87078.h"
  45 //YM-2612 "OPN2"
  46 //#include "../ym2612.h"
  47 //RF5C68 PCM
  48 #include "rf5c68.h"
  49 //AD7820 ADC
  50 #include "ad7820kr.h"
  51 #include "ym2612.h"
  52 // 80387?
  53
  54 #ifdef USE_DEBUGGER
  55 #include "../debugger.h"
  56 #endif
  57
  58 #include "./adpcm.h"
  59 //#include "./cdc.h"
  60 #include "./floppy.h"
  61 #include "./fontroms.h"
  62 #include "./joystick.h"
  63 #include "./keyboard.h"
  64 #include "./msdosrom.h"
  65 #include "./scsi.h"
  66 #include "./serialrom.h"
  67 #include "./timer.h"
  68 #include "./towns_planevram.h"
  69
  70 // ----------------------------------------------------------------------------
  71 // initialize
  72 // ----------------------------------------------------------------------------
  73 using FMTOWNS::ADPCM;
  74 //using FMTOWNS::CDC;
  75 using FMTOWNS::DICTIONARY;
  76 using FMTOWNS::FLOPPY;
  77 using FMTOWNS::FONT_ROMS;
  78 using FMTOWNS::JOYSTICK;
  79 using FMTOWNS::KEYBOARD;
  80 using FMTOWNS::MSDOSROM;
  81 using FMTOWNS::SCSI;
  82 using FMTOWNS::SERIAL_ROM;
  83 using FMTOWNS::SYSROM;
  84 using FMTOWNS::TIMER;
  85
  86 using FMTOWNS::TOWNS_CDROM;
  87 using FMTOWNS::TOWNS_CRTC;
  88 using FMTOWNS::TOWNS_DMAC;
  89 using FMTOWNS::TOWNS_MEMORY;
  90 using FMTOWNS::TOWNS_SCSI_HOST;
  91 using FMTOWNS::TOWNS_SPRITE;
  92 using FMTOWNS::TOWNS_VRAM;
  93 using FMTOWNS::PLANEVRAM;
  94
  95
  96 VM::VM(EMU_TEMPLATE* parent_emu) : VM_TEMPLATE(parent_emu)
  97 {
  98 /*
  99         Machine ID & CPU ID
 100
 101         FMR-50FD/HD/LT  0xF8
 102         FMR-50FX/HX     0xE0
 103         FMR-50SFX/SHX   0xE8
 104         FMR-50LT        0xF8
 105         FMR-50NBX       0x28
 106         FMR-50NB        0x60
 107         FMR-50NE/T      0x08
 108         FMR-CARD        0x70
 109
 110         80286           0x00
 111         80386           0x01
 112         80386SX         0x03
 113         80486           0x02
 114 */
 115
 116         // create devices
 117         first_device = last_device = NULL;
 118         dummy = new DEVICE(this, emu);  // must be 1st device
 119         event = new EVENT(this, emu);   // must be 2nd device
 120 #if defined(_USE_QT)
 121         dummy->set_device_name(_T("1st Dummy"));
 122         event->set_device_name(_T("EVENT"));
 123 #endif
 124
 125         cpu = new I386(this, emu);
 126 #if defined(_USE_QT)
 127   #if defined(HAS_I386)
 128         cpu->set_device_name(_T("CPU(i386)"));
 129   #elif defined(HAS_I486)
 130         cpu->set_device_name(_T("CPU(i486)"));
 131   #elif defined(HAS_PENTIUM)
 132         cpu->set_device_name(_T("CPU(Pentium)"));
 133   #endif
 134 #endif
 135
 136         io = new IO(this, emu);
 137
 138         crtc = new TOWNS_CRTC(this, emu);
 139         cdrom = new TOWNS_CDROM(this, emu);
 140
 141         memory = new TOWNS_MEMORY(this, emu);
 142         vram = new TOWNS_VRAM(this, emu);
 143         sprite = new TOWNS_SPRITE(this, emu);
 144         sysrom = new SYSROM(this, emu);
 145         msdosrom = new MSDOSROM(this, emu);
 146         fontrom = new FONT_ROMS(this, emu);
 147         dictionary = new DICTIONARY(this, emu);
 148 #if defined(HAS_20PIX_FONTS)
 149         fontrom_20pix = new FONT_ROM_20PIX(this, emu);
 150 #endif
 151         serialrom = new SERIAL_ROM(this, emu);
 152
 153         adpcm = new ADPCM(this, emu);
 154 //      mixer = new MIXER(this, emu); // Pseudo mixer.
 155
 156         planevram = new PLANEVRAM(this, emu);
 157
 158         adc = new AD7820KR(this, emu);
 159         rf5c68 = new RF5C68(this, emu);
 160 //      e_volume[0] = new MB87878(this, emu);
 161 //      e_volume[1] = new MB87878(this, emu);
 162
 163         sio = new I8251(this, emu);
 164         pit0 = new I8253(this, emu);
 165         pit1 = new I8253(this, emu);
 166         pic = new I8259(this, emu);
 167         fdc = new MB8877(this, emu);
 168         rtc = new MSM58321(this, emu);
 169         beep = new PCM1BIT(this, emu);
 170         opn2 = new YM2612(this, emu);
 171
 172         seek_sound = new NOISE(this, emu);
 173         head_up_sound = new NOISE(this, emu);
 174         head_down_sound = new NOISE(this, emu);
 175
 176 //      scsi_host = new TOWNS_SCSI_HOST(this, emu);
 177         scsi_host = new SCSI_HOST(this, emu);
 178
 179         for(int i = 0; i < 7; i++) {
 180                 scsi_hdd[i] = NULL;
 181         }
 182 #if defined(USE_HARD_DISK)
 183         for(int i = 0; i < USE_HARD_DISK; i++) {
 184                 scsi_hdd[i] = new SCSI_HDD(this, emu);
 185                 scsi_hdd[i]->set_device_name(_T("SCSI Hard Disk Drive #%d"), i + 1);
 186                 scsi_hdd[i]->scsi_id = i ;
 187                 scsi_hdd[i]->set_disk_handler(0, new HARDDISK(emu));
 188                 scsi_hdd[i]->set_context_interface(scsi_host);
 189                 my_sprintf_s(scsi_hdd[i]->vendor_id, 9, "FUJITSU");
 190                 my_sprintf_s(scsi_hdd[i]->product_id, 17, "SCSI-HDD");
 191                 scsi_host->set_context_target(scsi_hdd[i]);
 192         }
 193 #endif
 194         dma = new TOWNS_DMAC(this, emu);
 195         extra_dma = new TOWNS_DMAC(this, emu);
 196
 197         floppy = new FLOPPY(this, emu);
 198         keyboard = new KEYBOARD(this, emu);
 199         joystick = new JOYSTICK(this, emu);
 200         scsi = new SCSI(this, emu);
 201         timer = new TIMER(this, emu);
 202
 203         uint16_t machine_id = 0x0100; // FM-Towns1
 204         uint16_t cpu_id = 0x0001;     // i386DX
 205         uint32_t cpu_clock = 16000 * 1000; // 16MHz
 206 #if defined(_FMTOWNS1_2ND_GEN)
 207         machine_id = 0x0200;   // 1F/2F/1H/2H
 208 #elif defined(_FMTOWNS_UX_VARIANTS)
 209         machine_id = 0x0300;   // UX10/20/40
 210         cpu_id = 0x0003;       // i386SX
 211 #elif defined(_FMTOWNS1_3RD_GEN)
 212         machine_id = 0x0400;  // 10F/20F.40H/80H
 213 #elif defined(_FMTOWNS2_CX_VARIANTS)
 214         machine_id = 0x0500;  // CX10/20/30/40
 215 #elif defined(_FMTOWNS_UG_VARIANTS)
 216         machine_id = 0x0600;  // UG10/20/40/80
 217         cpu_id = 0x0003;      // i386SX
 218         cpu_clock = 20000 * 1000; // 20MHz
 219 #elif defined(_FMTOWNS_HR_VARIANTS)
 220         machine_id = 0x0700;
 221         cpu_id = 0x0002;      // i486SX
 222         cpu_clock = 20000 * 1000; // 20MHz
 223 #elif defined(_FMTOWNS_HG_VARIANTS)
 224         machine_id = 0x0800;
 225         cpu_clock = 20000 * 1000; // 20MHz
 226 #elif defined(_FMTOWNS_SG_VARIANTS)
 227         machine_id = 0x0800; // OK?
 228 #elif defined(_FMTOWNS_SR_VARIANTS)
 229         machine_id = 0x0700; // OK?
 230         cpu_id = 0x0002;      // i486SX
 231         cpu_clock = 20000 * 1000; // 20MHz
 232 #elif defined(_FMTOWNS_MA_VARIANTS)
 233         machine_id = 0x0b00; // OK?
 234         cpu_id = 0x0002;      // i486SX
 235         cpu_clock = 33000 * 1000; // 33MHz
 236 #elif defined(_FMTOWNS_ME_VARIANTS)
 237         machine_id = 0x0d00; // OK?
 238         cpu_id = 0x0002;      // i486SX
 239         cpu_clock = 25000 * 1000; // 25MHz
 240 #elif defined(_FMTOWNS_MF_VARIANTS)
 241         machine_id = 0x0f00; // OK?
 242         cpu_id = 0x0002;      // i486SX
 243         cpu_clock = 33000 * 1000; // 33MHz
 244 #elif defined(_FMTOWNS_MX_VARIANTS)
 245         machine_id = 0x0c00; // OK?
 246         cpu_id = 0x0002;      // i486DX (With FPU?)
 247         cpu_clock = 66000 * 1000; // 66MHz
 248 #elif defined(_FMTOWNS_MX_VARIANTS)
 249         machine_id = 0x0c00; // OK?
 250         cpu_id = 0x0002;      // i486DX (With FPU?)
 251         cpu_clock = 66000 * 1000; // 66MHz
 252 #else
 253         // ToDo: Pentium Model (After HB).
 254
 255 #endif
 256         event->set_frames_per_sec(FRAMES_PER_SEC);
 257         event->set_lines_per_frame(LINES_PER_FRAME);
 258
 259         set_machine_type(machine_id, cpu_id);
 260         // set contexts
 261         event->set_context_cpu(cpu, cpu_clock);
 262
 263         adc_in_ch = -1;
 264         line_in_ch = -1;
 265         modem_in_ch = -1;
 266         mic_in_ch = -1;
 267
 268         // Use pseudo mixer instead of event.Due to using ADC.
 269 #if 0
 270         line_mix_ch = -1;
 271         modem_mix_ch = -1;
 272         mic_mix_ch = -1;
 273         //line_mix_ch = mixer->set_context_sound(line_in);
 274         //modem_mix_ch = mixer->set_context_sound(modem_in);
 275         //mic_mix_ch = mixer->set_context_sound(mic_in);
 276         beep_mix_ch = mixer->set_context_sound(beep);
 277         pcm_mix_ch  = mixer->set_context_sound(rf5c68);
 278         opn2_mix_ch = mixer->set_context_sound(opn2);
 279         cdc_mix_ch = mixer->set_context_sound(cdrom);
 280         mixer->set_interpolate_filter_freq(pcm_mix_ch, 4000); // channel, freq; disable if freq <= 0.
 281         event->set_context_sound(mixer);
 282 #else
 283         // Temporally not use mixer.
 284         event->set_context_sound(beep);
 285         event->set_context_sound(opn2);
 286         event->set_context_sound(rf5c68);
 287         event->set_context_sound(cdrom);
 288 #endif
 289         fdc->set_context_noise_seek(seek_sound);
 290         fdc->set_context_noise_head_down(head_down_sound);
 291         fdc->set_context_noise_head_up(head_up_sound);
 292         event->set_context_sound(seek_sound);
 293         event->set_context_sound(head_down_sound);
 294         event->set_context_sound(head_up_sound);
 295
 296 #ifdef USE_DEBUGGER
 297         pit0->set_context_debugger(new DEBUGGER(this, emu));
 298         pit1->set_context_debugger(new DEBUGGER(this, emu));
 299 #endif
 300         pit0->set_context_ch0(timer, SIG_TIMER_CH0, 1);
 301         pit0->set_context_ch1(timer, SIG_TIMER_CH1, 1);
 302         pit0->set_context_ch2(beep,  SIG_PCM1BIT_SIGNAL, 1);
 303         pit0->set_constant_clock(0, 307200);
 304         pit0->set_constant_clock(1, 307200);
 305         pit0->set_constant_clock(2, 307200);
 306         pit1->set_constant_clock(0, 1229900);
 307         pit1->set_constant_clock(1, 1229900);
 308         pit1->set_constant_clock(2, 1229900);
 309 //      pic->set_context_cpu(cpu);
 310         pic->set_context_cpu(memory);
 311         fdc->set_context_irq(floppy, SIG_FLOPPY_IRQ, 1);
 312         rtc->set_context_data(timer, SIG_TIMER_RTC, 0x0f, 0);
 313         rtc->set_context_busy(timer, SIG_TIMER_RTC_BUSY, 0x80);
 314         scsi_host->set_context_irq(scsi, SIG_SCSI_IRQ, 1);
 315         scsi_host->set_context_drq(scsi, SIG_SCSI_DRQ, 1);
 316         dma->set_context_memory(memory);
 317         dma->set_context_ch0(fdc);
 318         dma->set_context_ch1(scsi_host);
 319         //dma->set_context_ch2(printer);
 320         dma->set_context_ch3(cdrom);
 321         dma->set_context_tc(cdrom, SIG_TOWNS_CDROM_DMAINT, 1 << 3);
 322         dma->set_context_ube1(scsi_host, SIG_SCSI_16BIT_BUS, 0x02);
 323
 324         dma->set_context_child_dma(extra_dma);
 325
 326         floppy->set_context_fdc(fdc);
 327
 328         sprite->set_context_vram(vram);
 329         sprite->set_context_font(fontrom);
 330         sprite->set_context_crtc(crtc);
 331 #ifdef USE_DEBUGGER
 332         sprite->set_context_debugger(new DEBUGGER(this, emu));
 333 #endif
 334
 335         vram->set_context_sprite(sprite);
 336         vram->set_context_crtc(crtc);
 337
 338         planevram->set_context_vram(vram);
 339         planevram->set_context_sprite(sprite);
 340         planevram->set_context_crtc(crtc);
 341
 342         crtc->set_context_sprite(sprite);
 343         crtc->set_context_vram(vram);
 344         crtc->set_context_font(fontrom);
 345
 346         //e_volume[0]->set_context_ch0(line_in, MB87878_VOLUME_LEFT);
 347         //e_volume[0]->set_context_ch1(line_in, MB87878_VOLUME_RIGHT);
 348         //e_volume[0]->set_context_ch2(NULL, MB87878_VOLUME_LEFT);
 349         //e_volume[0]->set_context_ch3(NULL, MB87878_VOLUME_RIGHT);
 350 //      e_volume[1]->set_context_ch0(cdrom, MB87878_VOLUME_LEFT);
 351 //      e_volume[1]->set_context_ch1(cdrom, MB87878_VOLUME_RIGHT);
 352         //e_volume[1]->set_context_ch2(mic, MB87878_VOLUME_LEFT | MB87878_VOLUME_RIGHT);
 353         //e_volume[1]->set_context_ch3(modem, MB87878_VOLUME_LEFT | MB87878_VOLUME_RIGHT);
 354
 355         memory->set_context_cpu(cpu);
 356         memory->set_context_dmac(dma);
 357         memory->set_context_vram(vram);
 358         memory->set_context_planevram(planevram);
 359         memory->set_context_crtc(crtc);
 360         memory->set_context_system_rom(sysrom);
 361         memory->set_context_msdos(msdosrom);
 362         memory->set_context_dictionary(dictionary);
 363         memory->set_context_font_rom(fontrom);
 364         memory->set_context_beep(beep);
 365         memory->set_context_serial_rom(serialrom);
 366         memory->set_context_sprite(sprite);
 367         memory->set_context_pcm(rf5c68);
 368
 369         adpcm->set_context_opn2(opn2);
 370         adpcm->set_context_rf5c68(rf5c68);
 371         adpcm->set_context_adc(adc);
 372
 373         rf5c68->set_context_interrupt_boundary(adpcm, SIG_ADPCM_WRITE_INTERRUPT, 0xffffffff);
 374 #ifdef USE_DEBUGGER
 375         rf5c68->set_context_debugger(new DEBUGGER(this, emu));
 376 #endif
 377         opn2->set_context_irq(adpcm, SIG_ADPCM_OPX_INTR, 0xffffffff);
 378
 379         adc->set_sample_rate(19200);
 380         adc->set_sound_bank(-1);
 381         adc->set_context_interrupt(adpcm, SIG_ADPCM_ADC_INTR, 0xffffffff);
 382
 383         scsi->set_context_dma(dma);
 384         scsi->set_context_host(scsi_host);
 385         scsi->set_context_pic(pic);
 386         timer->set_context_pcm(beep);
 387         timer->set_context_rtc(rtc);
 388         timer->set_context_halt_line(cpu, SIG_CPU_HALTREQ, 0xffffffff);
 389
 390         // cpu bus
 391         cpu->set_context_mem(memory);
 392         cpu->set_context_io(io);
 393         cpu->set_context_intr(pic);
 394         cpu->set_context_dma(dma);
 395         cpu->set_context_bios(NULL);
 396         cpu->set_context_extreset(memory, SIG_FMTOWNS_NOTIFY_RESET, 0xffffffff);
 397 #ifdef USE_DEBUGGER
 398         cpu->set_context_debugger(new DEBUGGER(this, emu));
 399 #endif
 400         // Interrupts
 401         // IRQ0  : TIMER
 402         // IRQ1  : KEYBOARD
 403         // IRQ2  : USART (ToDo)
 404         // IRQ3  : EXTRA USART (ToDo)
 405         // IRQ4  : EXTRA I/O (Maybe not implement)
 406         // IRQ5  : EXTRA I/O (Maybe not implement)
 407         // IRQ6  : FDC
 408         // IRQ7  : Deisy chain (to IRQ8 - 15)
 409         timer->set_context_intr_line(pic, SIG_I8259_CHIP0 | SIG_I8259_IR0, 0xffffffff);
 410         keyboard->set_context_intr_line(pic, SIG_I8259_CHIP0 | SIG_I8259_IR1, 0xffffffff);
 411         floppy->set_context_intr_line(pic, SIG_I8259_CHIP0 | SIG_I8259_IR6, 0xffffffff);
 412
 413         // IRQ8  : SCSI (-> scsi.cpp)
 414         // IRQ9  : CDC/CDROM
 415         // IRQ10 : EXTRA I/O (Maybe not implement)
 416         // IRQ11 : VSYNC
 417         // IRQ12 : PRINTER (ToDo)
 418         // IRQ13 : ADPCM AND OPN2 (Route to adpcm.cpp)
 419         // IRQ14 : EXTRA I/O (Maybe not implement)
 420         // IRQ15 : RESERVED.
 421         cdrom->set_context_mpuint_line(pic, SIG_I8259_CHIP1 | SIG_I8259_IR1, 0xffffffff);
 422         crtc->set_context_vsync(pic, SIG_I8259_CHIP1 | SIG_I8259_IR3, 0xffffffff);
 423         adpcm->set_context_intr_line(pic, SIG_I8259_CHIP1 | SIG_I8259_IR5, 0xffffffff);
 424
 425         // DMA0  : FDC/DRQ
 426         // DMA1  : SCSI (-> scsi.cpp)
 427         // DMA2  : PRINTER (ToDo)
 428         // DMA3  : CDC/CDROM
 429         // EXTRA DMA0 : EXTRA SLOT (Maybe not implement)
 430         // EXTRA DMA1 : Reserved
 431         // EXTRA DMA2 : Reserved
 432         // EXTRA DMA3 : Reserved
 433         fdc->set_context_drq(dma, SIG_UPD71071_CH0, 1);
 434         cdrom->set_context_drq_line(dma, SIG_UPD71071_CH3, 0xff);
 435
 436         // NMI0 : KEYBOARD (RAS)
 437         // NMI1 : Extra SLOT (Maybe not implement)
 438         keyboard->set_context_nmi_line(memory, SIG_CPU_NMI, 0xffffffff);
 439
 440         // i/o bus
 441         io->set_iomap_alias_rw (0x0000, pic, I8259_ADDR_CHIP0 | 0);
 442         io->set_iomap_alias_rw (0x0002, pic, I8259_ADDR_CHIP0 | 1);
 443         io->set_iomap_alias_rw (0x0010, pic, I8259_ADDR_CHIP1 | 0);
 444         io->set_iomap_alias_rw (0x0012, pic, I8259_ADDR_CHIP1 | 1);
 445
 446         io->set_iomap_range_rw (0x0020, 0x0025, memory);
 447         io->set_iomap_range_rw (0x0026, 0x0027, timer);  // Freerun counter
 448         io->set_iomap_single_rw(0x0028, memory);
 449
 450         io->set_iomap_range_r  (0x0030, 0x0031, memory);        // cpu id / machine id
 451         io->set_iomap_single_rw(0x0032, memory);        // serial rom (routed from memory)
 452         io->set_iomap_single_r (0x0034, scsi);  // ENABLE/ UNABLE to WORD DMA for SCSI
 453
 454         io->set_iomap_alias_rw(0x0040, pit0, 0);
 455         io->set_iomap_alias_rw(0x0042, pit0, 1);
 456         io->set_iomap_alias_rw(0x0044, pit0, 2);
 457         io->set_iomap_alias_rw(0x0046, pit0, 3);
 458         io->set_iomap_alias_rw(0x0050, pit1, 0);
 459         io->set_iomap_alias_rw(0x0052, pit1, 1);
 460         io->set_iomap_alias_rw(0x0054, pit1, 2);
 461         io->set_iomap_alias_rw(0x0056, pit1, 3);
 462
 463         io->set_iomap_single_rw(0x0060, timer); // Beep and interrupts register
 464         io->set_iomap_single_rw(0x0068, timer); // Interval timer register2 (after Towns 10F).
 465         io->set_iomap_single_rw(0x006a, timer); // Interval timer register2 (after Towns 10F).
 466         io->set_iomap_single_rw(0x006b, timer); // Interval timer register2 (after Towns 10F).
 467         io->set_iomap_single_rw(0x006c, timer); // 1uS wait register (after Towns 10F).
 468
 469         io->set_iomap_single_rw(0x0070, timer); // RTC DATA
 470         io->set_iomap_single_w (0x0080, timer); // RTC COMMAND
 471
 472         io->set_iomap_range_rw (0x00a0, 0x00af, dma);
 473         io->set_iomap_range_rw (0x00b0, 0x00bf, extra_dma);
 474
 475         io->set_iomap_alias_rw (0x0200, fdc, 0);  // STATUS/COMMAND
 476         io->set_iomap_alias_rw (0x0202, fdc, 1);  // TRACK
 477         io->set_iomap_alias_rw (0x0204, fdc, 2);  // SECTOR
 478         io->set_iomap_alias_rw (0x0206, fdc, 3);  // DATA
 479         io->set_iomap_single_rw(0x0208, floppy);  // DRIVE STATUS / DRIVE CONTROL
 480         io->set_iomap_single_rw(0x020c, floppy);  // DRIVE SELECT
 481         io->set_iomap_single_rw(0x020e, floppy);  // Towns drive SW
 482
 483         io->set_iomap_range_rw (0x0400, 0x0404, memory); // System Status
 484         io->set_iomap_range_rw (0x0406, 0x403f, memory); // Reserved
 485
 486         io->set_iomap_range_rw(0x0440, 0x0443, crtc); // CRTC
 487         io->set_iomap_range_rw(0x0448, 0x044f, crtc); // VIDEO OUT (CRTC)
 488
 489         io->set_iomap_range_rw(0x0450, 0x0452, sprite); // SPRITE
 490
 491         io->set_iomap_single_rw(0x0458, vram);         // VRAM ACCESS CONTROLLER (ADDRESS)
 492         io->set_iomap_range_rw (0x045a, 0x045f, vram); // VRAM ACCESS CONTROLLER (DATA)
 493
 494         io->set_iomap_single_rw(0x0480, memory); //  MEMORY REGISTER
 495         io->set_iomap_single_rw(0x0484, dictionary); // Dictionary
 496
 497         //io->set_iomap_alias_r(0x48a, memory_card, 0); //
 498         //io->set_iomap_alias_rw(0x490, memory_card); // After Towns2
 499         //io->set_iomap_alias_rw(0x491, memory_card); // After Towns2
 500
 501         io->set_iomap_range_rw(0x04c0, 0x04cf, cdrom); // CDROM
 502         // PAD, Sound
 503 #if 1
 504         io->set_iomap_single_r(0x04d0, joystick); // Pad1
 505         io->set_iomap_single_r(0x04d2, joystick); // Pad 2
 506         io->set_iomap_single_w(0x04d6, joystick); // Pad out
 507 #endif
 508         io->set_iomap_single_rw(0x04d5, adpcm); // mute
 509         // OPN2(YM2612)
 510         io->set_iomap_alias_rw(0x04d8, opn2, 0); // STATUS(R)/Addrreg 0(W)
 511         io->set_iomap_alias_w (0x04da, opn2, 1);  // Datareg 0(W)
 512         io->set_iomap_alias_w (0x04dc, opn2, 2);  // Addrreg 1(W)
 513         io->set_iomap_alias_w (0x04de, opn2, 3);  // Datareg 1(W)
 514         // Electrical volume
 515 //      io->set_iomap_alias_rw(0x04e0, e_volume[0], 0);
 516 //      io->set_iomap_alias_rw(0x04e1, e_volume[0], 1);
 517 //      io->set_iomap_alias_rw(0x04e2, e_volume[1], 0);
 518 //      io->set_iomap_alias_rw(0x04e3, e_volume[1], 1);
 519
 520         // ADPCM
 521         io->set_iomap_range_rw(0x04e7, 0x04ef, adpcm); // A/D SAMPLING DATA REG
 522         io->set_iomap_range_rw(0x04f0, 0x04f8, rf5c68); // A/D SAMPLING DATA REG
 523
 524         io->set_iomap_single_rw(0x05c0, memory); // NMI MASK
 525         io->set_iomap_single_r (0x05c2, memory);  // NMI STATUS
 526         io->set_iomap_single_r (0x05c8, sprite); // TVRAM EMULATION
 527         io->set_iomap_single_w (0x05ca, crtc); // VSYNC INTERRUPT
 528         if(machine_id < 0x0200) {
 529                 io->set_iomap_single_rw(0x05e0, memory); //  MEMORY WAIT REGISTER ffrom AB.COM
 530         } else {
 531                 io->set_iomap_single_rw(0x05e2, memory); // MEMORY WAIT REGISTER ffrom AB.COM
 532         }
 533         io->set_iomap_single_rw(0x05e8, memory); // RAM capacity register.(later Towns1H/2H/1F/2F).
 534         io->set_iomap_single_rw(0x05ec, memory); // RAM Wait register , ofcially after Towns2, but exists after Towns1H.
 535         io->set_iomap_single_r (0x05ed, memory); // RAM Wait register , ofcially after Towns2, but exists after Towns1H.
 536
 537         io->set_iomap_single_rw(0x0600, keyboard);
 538         io->set_iomap_single_rw(0x0602, keyboard);
 539         io->set_iomap_single_rw(0x0604, keyboard);
 540
 541         //io->set_iomap_single_rw(0x0800, printer);
 542         //io->set_iomap_single_rw(0x0802, printer);
 543         //io->set_iomap_single_rw(0x0804, printer);
 544
 545         io->set_iomap_alias_rw (0x0a00, sio, 0);
 546         io->set_iomap_alias_rw (0x0a02, sio, 1);
 547 //      io->set_iomap_single_r (0x0a04, serial);
 548 //      io->set_iomap_single_r (0x0a06, serial);
 549 //      io->set_iomap_single_w (0x0a08, serial);
 550 //      io->set_iomap_single_rw(0x0a0a, modem);
 551
 552         io->set_iomap_single_rw(0x0c30, scsi);
 553         io->set_iomap_single_rw(0x0c32, scsi);
 554
 555         io->set_iomap_range_rw (0x3000, 0x3fff, dictionary); // CMOS
 556
 557         io->set_iomap_range_rw (0xfd90, 0xfda2, crtc);  // Palette and CRTC
 558         io->set_iomap_single_rw(0xfda4, memory);        // memory
 559
 560         io->set_iomap_range_rw (0xff80, 0xff83, planevram);     // MMIO
 561         io->set_iomap_single_r (0xff84, planevram);     // MMIO
 562         io->set_iomap_single_rw(0xff86, planevram);     // MMIO
 563         io->set_iomap_single_rw(0xff88, memory);        // MMIO
 564         io->set_iomap_range_rw (0xff94, 0xff99, memory);        // MMIO
 565         io->set_iomap_range_r  (0xff9c, 0xff9d, memory);        // MMIO
 566         io->set_iomap_single_rw(0xff9e, memory);        // MMIO
 567         io->set_iomap_single_rw(0xffa0, planevram);     // MMIO
 568
 569 //      io->set_iomap_range_w (0xff94, 0xff95, fontrom);
 570 //      io->set_iomap_range_r (0xff96, 0xff97, fontrom);
 571
 572         // Vram allocation may be before initialize().
 573         // initialize all devices
 574 #if defined(__GIT_REPO_VERSION)
 575         strncpy(_git_revision, __GIT_REPO_VERSION, sizeof(_git_revision) - 1);
 576 #endif
 577         // ToDo : Use config framework
 578         int exram_size = config.current_ram_size;
 579         if(exram_size < 1) {
 580                 if(machine_id < 0x0200) { // Model1 - 2H
 581                         exram_size = 6;
 582                 } else if(machine_id == 0x0500) { // CX
 583                         exram_size = 15;
 584                 } else if(machine_id < 0x0700) {  // 10F,20H
 585                         exram_size = 8;
 586                 } else if(machine_id == 0x0800) { // HG
 587                         exram_size = 15;
 588                 } else {
 589                         exram_size = 31;
 590                 }
 591         }
 592         if(exram_size < MIN_RAM_SIZE) {
 593                 exram_size = MIN_RAM_SIZE;
 594         }
 595
 596         memory->set_extra_ram_size(exram_size);
 597
 598 #if defined(WITH_I386SX)
 599         cpu->device_model = INTEL_80386;
 600 #elif defined(WITH_I486SX)
 601         cpu->device_model = INTEL_I486SX;
 602 #elif defined(WITH_I486DX)
 603         cpu->device_model = INTEL_I486DX;
 604 #elif defined(WITH_PENTIUM)
 605         cpu->device_model = INTEL_PENTIUM;
 606 #else
 607         // I386
 608         cpu->device_model = INTEL_80386;
 609 #endif
 610
 611         for(DEVICE* device = first_device; device; device = device->next_device) {
 612                 device->initialize();
 613         }
 614 //      cpu->set_address_mask(0xffffffff);
 615 }
 616
 617 VM::~VM()
 618 {
 619         // delete all devices
 620         for(DEVICE* device = first_device; device;) {
 621                 DEVICE *next_device = device->next_device;
 622 //              printf("DEVID=%d\n", device->this_device_id);
 623                 device->release();
 624                 delete device;
 625                 device = next_device;
 626         }
 627 }
 628
 629 DEVICE* VM::get_device(int id)
 630 {
 631         for(DEVICE* device = first_device; device; device = device->next_device) {
 632                 if(device->this_device_id == id) {
 633                         return device;
 634                 }
 635         }
 636         return NULL;
 637 }
 638
 639 void VM::set_machine_type(uint16_t machine_id, uint16_t cpu_id)
 640 {
 641         if(memory != NULL) {
 642                 memory->set_cpu_id(cpu_id);
 643                 memory->set_machine_id(machine_id);
 644         }
 645         if(crtc != NULL) {
 646                 crtc->set_cpu_id(cpu_id);
 647                 crtc->set_machine_id(machine_id);
 648         }
 649         if(timer != NULL) {
 650                 timer->set_cpu_id(cpu_id);
 651                 timer->set_machine_id(machine_id);
 652         }
 653         if(cdrom != NULL) {
 654                 cdrom->set_cpu_id(cpu_id);
 655                 cdrom->set_machine_id(machine_id);
 656         }
 657         if(scsi != NULL) {
 658                 scsi->set_cpu_id(cpu_id);
 659                 scsi->set_machine_id(machine_id);
 660         }
 661 #if defined(HAS_20PIX_FONTS)
 662         if(fontrom_20pix != NULL) {
 663                 fontrom_20pix->set_cpu_id(cpu_id);
 664                 fontrom_20pix->set_machine_id(machine_id);
 665         }
 666 #endif
 667
 668 }
 669
 670
 671 // ----------------------------------------------------------------------------
 672 // drive virtual machine
 673 // ----------------------------------------------------------------------------
 674
 675 void VM::reset()
 676 {
 677         // reset all devices
 678         for(DEVICE* device = first_device; device; device = device->next_device) {
 679                 device->reset();
 680         }
 681 //      cpu->set_address_mask(0xffffffff);
 682 }
 683
 684 void VM::run()
 685 {
 686         event->drive();
 687 }
 688
 689 // ----------------------------------------------------------------------------
 690 // debugger
 691 // ----------------------------------------------------------------------------
 692
 693 #ifdef USE_DEBUGGER
 694 DEVICE *VM::get_cpu(int index)
 695 {
 696         if(index == 0) {
 697                 return cpu;
 698         }
 699         return NULL;
 700 }
 701 #endif
 702
 703 // ----------------------------------------------------------------------------
 704 // draw screen
 705 // ----------------------------------------------------------------------------
 706
 707 void VM::draw_screen()
 708 {
 709         crtc->draw_screen();
 710 }
 711
 712 uint32_t VM::is_floppy_disk_accessed()
 713 {
 714         return fdc->read_signal(0);
 715 }
 716
 717 // ----------------------------------------------------------------------------
 718 // soud manager
 719 // ----------------------------------------------------------------------------
 720
 721 void VM::initialize_sound(int rate, int samples)
 722 {
 723         emu->lock_vm();
 724         // init sound manager
 725         event->initialize_sound(rate, samples);
 726
 727         // init sound gen
 728         beep->initialize_sound(rate, 8000);
 729
 730         // init OPN2
 731         // MASTER CLOCK MAYBE 600KHz * 12 = 7200KHz .
 732         // From FM-Towns Technical Databook (Rev.2), Page 201
 733         opn2->initialize_sound(rate, (int)(600.0e3 * 12.0) , samples, 0.0, 0.0);
 734         //opn2->initialize_sound(rate, (int)(8000.0e3) , samples, 0.0, 0.0);
 735         //opn2->initialize_sound(rate, (int)(600.0e3 * 6.0) , samples, 0.0, 0.0);
 736
 737         // init PCM
 738         rf5c68->initialize_sound(rate, samples);
 739
 740         // add_sound_in_source() must add after per initialize_sound().
 741         adc_in_ch = event->add_sound_in_source(rate, samples, 2);
 742         adc->set_sample_rate(19200);
 743         adc->set_sound_bank(adc_in_ch);
 744 #if 0
 745         mixer->set_context_out_line(adc_in_ch);
 746         mixer->set_context_sample_out(adc_in_ch, rate, samples); // Must be 2ch.
 747         // ToDo: Check recording sample rate & channels.
 748         mic_in_ch = event->add_sound_in_source(rate, samples, 2);
 749         mixer->set_context_mic_in(mic_in_ch, rate, samples);
 750
 751         line_in_ch = event->add_sound_in_source(rate, samples, 2);
 752         mixer->set_context_line_in(line_in_ch, rate, samples);
 753 #endif
 754         emu->unlock_vm();
 755 }
 756
 757 uint16_t* VM::create_sound(int* extra_frames)
 758 {
 759         return event->create_sound(extra_frames);
 760 }
 761
 762 int VM::get_sound_buffer_ptr()
 763 {
 764         return event->get_sound_buffer_ptr();
 765 }
 766
 767 void VM::clear_sound_in()
 768 {
 769         event->clear_sound_in_source(adc_in_ch);
 770         event->clear_sound_in_source(mic_in_ch);
 771         event->clear_sound_in_source(line_in_ch);
 772         return;
 773 }
 774
 775 int VM::get_sound_in_data(int ch, int32_t* dst, int expect_samples, int expect_rate, int expect_channels)
 776 {
 777         if(dst == NULL) return 0;
 778         if(expect_samples <= 0) return 0;
 779         int n_ch = -1;
 780         switch(ch) {
 781         case 0x00:
 782                 n_ch = line_in_ch;
 783                 break;
 784         case 0x01:
 785                 n_ch = mic_in_ch;
 786                 break;
 787         case 0x100:
 788                 n_ch = adc_in_ch;
 789                 break;
 790         }
 791         if(n_ch < 0) return 0;
 792         int samples = event->get_sound_in_data(n_ch, dst, expect_samples, expect_rate, expect_channels);
 793         return samples;
 794 }
 795
 796 // Write to event's buffer
 797 int VM::sound_in(int ch, int32_t* src, int samples)
 798 {
 799         if(ch < 0) return 0;
 800         if(ch >= 2) return 0;
 801         int n_ch = -1;
 802         switch(ch) {
 803         case 0x100:  // ADC in from MIXER, not connected.
 804                 break;
 805         case 0x00: // LINE
 806                 n_ch = line_in_ch;
 807                 break;
 808         case 0x01: // MIC
 809                 n_ch = mic_in_ch;
 810                 break;
 811         }
 812         if(n_ch < 0) return 0;
 813
 814         int ss = 0;
 815         {
 816                 emu->lock_vm();
 817                 ss =  event->write_sound_in_buffer(n_ch, src, samples);
 818                 emu->unlock_vm();
 819
 820         }
 821         return ss;
 822 }
 823
 824 #if defined(USE_HARD_DISK)
 825 void VM::open_hard_disk(int drv, const _TCHAR* file_path)
 826 {
 827         if((drv < USE_HARD_DISK) && (drv < 8) && (drv >= 0)) {
 828                 if(scsi_hdd[drv] != NULL) {
 829                         scsi_hdd[drv]->open(0, file_path, 512);
 830                 }
 831         }
 832 }
 833
 834 void VM::close_hard_disk(int drv)
 835 {
 836         if((drv < USE_HARD_DISK) && (drv < 8) && (drv >= 0)) {
 837                 if(scsi_hdd[drv] != NULL) {
 838                         scsi_hdd[drv]->close(0);
 839                 }
 840         }
 841 }
 842
 843 bool VM::is_hard_disk_inserted(int drv)
 844 {
 845         if((drv < USE_HARD_DISK) && (drv < 8) && (drv >= 0)) {
 846                 if(scsi_hdd[drv] != NULL) {
 847                         return scsi_hdd[drv]->mounted(0);
 848                 }
 849         }
 850         return false;
 851 }
 852
 853 uint32_t VM::is_hard_disk_accessed()
 854 {
 855         uint32_t status = 0;
 856
 857         for(int drv = 0; drv < USE_HARD_DISK; drv++) {
 858                 if(scsi_hdd[drv] != NULL) {
 859                         if(scsi_hdd[drv]->accessed(0)) {
 860                                 status |= 1 << drv;
 861                         }
 862                 }
 863         }
 864         return status;
 865 }
 866 #endif // USE_HARD_DISK
 867
 868 void VM::open_compact_disc(int drv, const _TCHAR* file_path)
 869 {
 870         cdrom->open(file_path);
 871 }
 872
 873 void VM::close_compact_disc(int drv)
 874 {
 875         cdrom->close();
 876 }
 877
 878 bool VM::is_compact_disc_inserted(int drv)
 879 {
 880         return cdrom->mounted();
 881 }
 882
 883 uint32_t VM::is_compact_disc_accessed()
 884 {
 885         return cdrom->accessed();
 886 }
 887
 888 #ifdef USE_SOUND_VOLUME
 889 void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
 890 {
 891 #ifndef HAS_LINEIN_SOUND
 892 //      if(ch >= 7) ch++;
 893 #endif
 894 #ifndef HAS_MIC_SOUND
 895 //      if(ch >= 8) ch++;
 896 #endif
 897 #ifndef HAS_MODEM_SOUND
 898 //      if(ch >= 9) ch++;
 899 #endif
 900 #ifndef HAS_2ND_ADPCM
 901 //      if(ch >= 10) ch++;
 902 #endif
 903 #if 0
 904         if(ch == 0) { // BEEP
 905                 mixer->set_volume(beep_mix_ch, decibel_l, decibel_r);
 906         }
 907         else if(ch == 1) { // CD-ROM
 908                 //e_volume[1]->set_volume(0, decibel_l);
 909                 //e_volume[1]->set_volume(1, decibel_r);
 910                 mixer->set_volume(cdc_mix_ch, decibel_l, decibel_r);
 911         }
 912         else if(ch == 2) { // OPN2
 913                 mixer->set_volume(opn2_mix_ch, decibel_l, decibel_r);
 914         }
 915         else if(ch == 3) { // ADPCM
 916                 mixer->set_volume(pcm_mix_ch, decibel_l, decibel_r);
 917         }
 918         else if(ch == 4) { // LINE IN
 919                 //mixer->set_volume(line_mix_ch, decibel_l, decibel_r);
 920         }
 921         else if(ch == 5) { // MIC
 922                 //mic->set_volume(0, (decibel_l + decibel_r) / 2);
 923         }
 924         else if(ch == 6) { // MODEM
 925                 //modem->set_volume(0, (decibel_l + decibel_r) / 2);
 926         }
 927 #ifdef HAS_2ND_ADPCM
 928         else if(ch == 7) { // ADPCM
 929                 adpcm2->set_volume(0, decibel_l, decibel_r);
 930         }
 931 #endif
 932         else if(ch == 8) { // FDD
 933                 fdc->set_volume(0, decibel_l, decibel_r);
 934         }
 935         else if(ch == 9) { // HDD(ToDo)
 936                 fdc->set_volume(0, decibel_l, decibel_r);
 937         }
 938 #else
 939         if(ch == 0) { // BEEP
 940                 beep->set_volume(0, decibel_l, decibel_r);
 941         }
 942         else if(ch == 1) { // CD-ROM
 943                 cdrom->set_volume(0, decibel_l, decibel_r);
 944         }
 945         else if(ch == 2) { // OPN2
 946                 opn2->set_volume(0, decibel_l, decibel_r);
 947         }
 948         else if(ch == 3) { // ADPCM
 949                 rf5c68->set_volume(0, decibel_l, decibel_r);
 950         }
 951         else if(ch == 4) { // SEEK, HEAD UP / DOWN
 952                 seek_sound->set_volume(0, decibel_l, decibel_r);
 953                 head_up_sound->set_volume(0, decibel_l, decibel_r);
 954                 head_down_sound->set_volume(0, decibel_l, decibel_r);
 955         }
 956
 957 #endif
 958 }
 959 #endif
 960
 961 // ----------------------------------------------------------------------------
 962 // notify key
 963 // ----------------------------------------------------------------------------
 964
 965 void VM::key_down(int code, bool repeat)
 966 {
 967         keyboard->key_down(code);
 968 }
 969
 970 void VM::key_up(int code)
 971 {
 972         keyboard->key_up(code);
 973 }
 974
 975 // ----------------------------------------------------------------------------
 976 // user interface
 977 // ----------------------------------------------------------------------------
 978
 979 void VM::open_floppy_disk(int drv, const _TCHAR* file_path, int bank)
 980 {
 981         fdc->open_disk(drv, file_path, bank);
 982 //      floppy->change_disk(drv);
 983 }
 984
 985 void VM::close_floppy_disk(int drv)
 986 {
 987         fdc->close_disk(drv);
 988 }
 989
 990 bool VM::is_floppy_disk_inserted(int drv)
 991 {
 992         return fdc->is_disk_inserted(drv);
 993 }
 994
 995 void VM::is_floppy_disk_protected(int drv, bool value)
 996 {
 997         fdc->is_disk_protected(drv, value);
 998 }
 999
1000 bool VM::is_floppy_disk_protected(int drv)
1001 {
1002         return fdc->is_disk_protected(drv);
1003 }
1004
1005 bool VM::is_frame_skippable()
1006 {
1007         return event->is_frame_skippable();
1008 }
1009
1010 void VM::update_config()
1011 {
1012         for(DEVICE* device = first_device; device; device = device->next_device) {
1013                 device->update_config();
1014         }
1015 }
1016
1017 double VM::get_current_usec()
1018 {
1019         if(event == NULL) return 0.0;
1020         return event->get_current_usec();
1021 }
1022
1023 uint64_t VM::get_current_clock_uint64()
1024 {
1025                 if(event == NULL) return (uint64_t)0;
1026                 return event->get_current_clock_uint64();
1027 }
1028
1029 #define STATE_VERSION   3
1030
1031 bool VM::process_state(FILEIO* state_fio, bool loading)
1032 {
1033         if(!state_fio->StateCheckUint32(STATE_VERSION)) {
1034                 return false;
1035         }
1036         for(DEVICE* device = first_device; device; device = device->next_device) {
1037                 // Note: typeid(foo).name is fixed by recent ABI.Not decr. 6.
1038                 // const char *name = typeid(*device).name();
1039                 //       But, using get_device_name() instead of typeid(foo).name() 20181008 K.O
1040                 const char *name = device->get_device_name();
1041                 int len = strlen(name);
1042                 if(!state_fio->StateCheckInt32(len)) {
1043                         return false;
1044                 }
1045                 if(!state_fio->StateCheckBuffer(name, len, 1)) {
1046                         return false;
1047                 }
1048                 if(!device->process_state(state_fio, loading)) {
1049                         if(loading) {
1050                                 printf("Data loading Error: DEVID=%d\n", device->this_device_id);
1051                         }
1052                         return false;
1053                 }
1054         }
1055         // Machine specified.
1056         state_fio->StateValue(beep_mix_ch);
1057         state_fio->StateValue(cdc_mix_ch);
1058         state_fio->StateValue(opn2_mix_ch);
1059         state_fio->StateValue(pcm_mix_ch);
1060         state_fio->StateValue(line_mix_ch);
1061         state_fio->StateValue(modem_mix_ch);
1062         state_fio->StateValue(mic_mix_ch);
1063
1064
1065         return true;
1066 }
1067