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 // Electric Volume
  43 //#include "mb87078.h"
  44 //YM-2612 "OPN2"
  45 //#include "../ym2612.h"
  46 //RF5C68 PCM
  47 #include "rf5c68.h"
  48 //AD7820 ADC
  49 #include "ad7820kr.h"
  50 #include "ym2612.h"
  51 // 80387?
  52
  53 #ifdef USE_DEBUGGER
  54 #include "../debugger.h"
  55 #endif
  56
  57 #include "./adpcm.h"
  58 //#include "./cdc.h"
  59 #include "./floppy.h"
  60 #include "./fontroms.h"
  61 #include "./joystick.h"
  62 #include "./keyboard.h"
  63 #include "./msdosrom.h"
  64 #include "./scsi.h"
  65 #include "./serialrom.h"
  66 #include "./timer.h"
  67
  68 // ----------------------------------------------------------------------------
  69 // initialize
  70 // ----------------------------------------------------------------------------
  71 using FMTOWNS::ADPCM;
  72 //using FMTOWNS::CDC;
  73 using FMTOWNS::DICTIONARY;
  74 using FMTOWNS::FLOPPY;
  75 using FMTOWNS::FONT_ROMS;
  76 using FMTOWNS::JOYSTICK;
  77 using FMTOWNS::KEYBOARD;
  78 using FMTOWNS::MSDOSROM;
  79 using FMTOWNS::SCSI;
  80 using FMTOWNS::SERIAL_ROM;
  81 using FMTOWNS::SYSROM;
  82 using FMTOWNS::TIMER;
  83
  84 using FMTOWNS::TOWNS_CDROM;
  85 using FMTOWNS::TOWNS_CRTC;
  86 using FMTOWNS::TOWNS_DMAC;
  87 using FMTOWNS::TOWNS_MEMORY;
  88 using FMTOWNS::TOWNS_SCSI_HOST;
  89 using FMTOWNS::TOWNS_SPRITE;
  90 using FMTOWNS::TOWNS_VRAM;
  91
  92
  93 VM::VM(EMU* parent_emu) : VM_TEMPLATE(parent_emu)
  94 {
  95 /*
  96         Machine ID & CPU ID
  97
  98         FMR-50FD/HD/LT  0xF8
  99         FMR-50FX/HX     0xE0
 100         FMR-50SFX/SHX   0xE8
 101         FMR-50LT        0xF8
 102         FMR-50NBX       0x28
 103         FMR-50NB        0x60
 104         FMR-50NE/T      0x08
 105         FMR-CARD        0x70
 106
 107         80286           0x00
 108         80386           0x01
 109         80386SX         0x03
 110         80486           0x02
 111 */
 112
 113         // create devices
 114         first_device = last_device = NULL;
 115         dummy = new DEVICE(this, emu);  // must be 1st device
 116         event = new EVENT(this, emu);   // must be 2nd device
 117 #if defined(_USE_QT)
 118         dummy->set_device_name(_T("1st Dummy"));
 119         event->set_device_name(_T("EVENT"));
 120 #endif
 121
 122         cpu = new I386(this, emu);
 123 #if defined(_USE_QT)
 124   #if defined(HAS_I386)
 125         cpu->set_device_name(_T("CPU(i386)"));
 126   #elif defined(HAS_I486)
 127         cpu->set_device_name(_T("CPU(i486)"));
 128   #elif defined(HAS_PENTIUM)
 129         cpu->set_device_name(_T("CPU(Pentium)"));
 130   #endif
 131 #endif
 132
 133         io = new IO(this, emu);
 134
 135         crtc = new TOWNS_CRTC(this, emu);
 136         cdrom = new TOWNS_CDROM(this, emu);
 137
 138         memory = new TOWNS_MEMORY(this, emu);
 139         vram = new TOWNS_VRAM(this, emu);
 140         sprite = new TOWNS_SPRITE(this, emu);
 141         sysrom = new SYSROM(this, emu);
 142         msdosrom = new MSDOSROM(this, emu);
 143         fontrom = new FONT_ROMS(this, emu);
 144         dictionary = new DICTIONARY(this, emu);
 145 #if defined(HAS_20PIX_FONTS)
 146         fontrom_20pix = new FONT_ROM_20PIX(this, emu);
 147 #endif
 148         serialrom = new SERIAL_ROM(this, emu);
 149         adpcm = new ADPCM(this, emu);
 150 //      mixer = new MIXER(this, emu); // Pseudo mixer.
 151
 152         adc = new AD7820KR(this, emu);
 153         rf5c68 = new RF5C68(this, emu);
 154 //      e_volume[0] = new MB87878(this, emu);
 155 //      e_volume[1] = new MB87878(this, emu);
 156
 157         sio = new I8251(this, emu);
 158         pit0 = new I8253(this, emu);
 159         pit1 = new I8253(this, emu);
 160         pic = new I8259(this, emu);
 161         fdc = new MB8877(this, emu);
 162         rtc = new MSM58321(this, emu);
 163         beep = new PCM1BIT(this, emu);
 164         opn2 = new YM2612(this, emu);
 165
 166         seek_sound = new NOISE(this, emu);
 167         head_up_sound = new NOISE(this, emu);
 168         head_down_sound = new NOISE(this, emu);
 169
 170 //      scsi_host = new TOWNS_SCSI_HOST(this, emu);
 171         scsi_host = new SCSI_HOST(this, emu);
 172
 173         for(int i = 0; i < 7; i++) {
 174                 scsi_hdd[i] = NULL;
 175         }
 176 #if defined(USE_HARD_DISK)
 177         for(int i = 0; i < USE_HARD_DISK; i++) {
 178                 scsi_hdd[i] = new SCSI_HDD(this, emu);
 179                 scsi_hdd[i]->set_device_name(_T("SCSI Hard Disk Drive #%d"), i + 1);
 180                 scsi_hdd[i]->scsi_id = i ;
 181                 scsi_hdd[i]->set_disk_handler(0, new HARDDISK(emu));
 182                 scsi_hdd[i]->set_context_interface(scsi_host);
 183                 my_sprintf_s(scsi_hdd[i]->vendor_id, 9, "FUJITSU");
 184                 my_sprintf_s(scsi_hdd[i]->product_id, 17, "SCSI-HDD");
 185                 scsi_host->set_context_target(scsi_hdd[i]);
 186         }
 187 #endif
 188         dma = new TOWNS_DMAC(this, emu);
 189         extra_dma = new TOWNS_DMAC(this, emu);
 190
 191         floppy = new FLOPPY(this, emu);
 192         keyboard = new KEYBOARD(this, emu);
 193         joystick = new JOYSTICK(this, emu);
 194         scsi = new SCSI(this, emu);
 195         timer = new TIMER(this, emu);
 196
 197         uint16_t machine_id = 0x0100; // FM-Towns1
 198         uint16_t cpu_id = 0x0001;     // i386DX
 199         uint32_t cpu_clock = 16000 * 1000; // 16MHz
 200 #if defined(_FMTOWNS1_2ND_GEN)
 201         machine_id = 0x0200;   // 1F/2F/1H/2H
 202 #elif defined(_FMTOWNS_UX_VARIANTS)
 203         machine_id = 0x0300;   // UX10/20/40
 204         cpu_id = 0x0003;       // i386SX
 205 #elif defined(_FMTOWNS1_3RD_GEN)
 206         machine_id = 0x0400;  // 10F/20F.40H/80H
 207 #elif defined(_FMTOWNS2_CX_VARIANTS)
 208         machine_id = 0x0500;  // CX10/20/30/40
 209 #elif defined(_FMTOWNS_UG_VARIANTS)
 210         machine_id = 0x0600;  // UG10/20/40/80
 211         cpu_id = 0x0003;      // i386SX
 212         cpu_clock = 20000 * 1000; // 20MHz
 213 #elif defined(_FMTOWNS_HR_VARIANTS)
 214         machine_id = 0x0700;
 215         cpu_id = 0x0002;      // i486SX
 216         cpu_clock = 20000 * 1000; // 20MHz
 217 #elif defined(_FMTOWNS_HG_VARIANTS)
 218         machine_id = 0x0800;
 219         cpu_clock = 20000 * 1000; // 20MHz
 220 #elif defined(_FMTOWNS_SG_VARIANTS)
 221         machine_id = 0x0800; // OK?
 222 #elif defined(_FMTOWNS_SR_VARIANTS)
 223         machine_id = 0x0700; // OK?
 224         cpu_id = 0x0002;      // i486SX
 225         cpu_clock = 20000 * 1000; // 20MHz
 226 #elif defined(_FMTOWNS_MA_VARIANTS)
 227         machine_id = 0x0b00; // OK?
 228         cpu_id = 0x0002;      // i486SX
 229         cpu_clock = 33000 * 1000; // 33MHz
 230 #elif defined(_FMTOWNS_ME_VARIANTS)
 231         machine_id = 0x0d00; // OK?
 232         cpu_id = 0x0002;      // i486SX
 233         cpu_clock = 25000 * 1000; // 25MHz
 234 #elif defined(_FMTOWNS_MF_VARIANTS)
 235         machine_id = 0x0f00; // OK?
 236         cpu_id = 0x0002;      // i486SX
 237         cpu_clock = 33000 * 1000; // 33MHz
 238 #elif defined(_FMTOWNS_MX_VARIANTS)
 239         machine_id = 0x0c00; // OK?
 240         cpu_id = 0x0002;      // i486DX (With FPU?)
 241         cpu_clock = 66000 * 1000; // 66MHz
 242 #elif defined(_FMTOWNS_MX_VARIANTS)
 243         machine_id = 0x0c00; // OK?
 244         cpu_id = 0x0002;      // i486DX (With FPU?)
 245         cpu_clock = 66000 * 1000; // 66MHz
 246 #else
 247         // ToDo: Pentium Model (After HB).
 248
 249 #endif
 250         event->set_frames_per_sec(FRAMES_PER_SEC);
 251         event->set_lines_per_frame(LINES_PER_FRAME);
 252
 253         set_machine_type(machine_id, cpu_id);
 254         // set contexts
 255         event->set_context_cpu(cpu, cpu_clock);
 256
 257         adc_in_ch = -1;
 258         line_in_ch = -1;
 259         modem_in_ch = -1;
 260         mic_in_ch = -1;
 261
 262         // Use pseudo mixer instead of event.Due to using ADC.
 263 #if 0
 264         line_mix_ch = -1;
 265         modem_mix_ch = -1;
 266         mic_mix_ch = -1;
 267         //line_mix_ch = mixer->set_context_sound(line_in);
 268         //modem_mix_ch = mixer->set_context_sound(modem_in);
 269         //mic_mix_ch = mixer->set_context_sound(mic_in);
 270         beep_mix_ch = mixer->set_context_sound(beep);
 271         pcm_mix_ch  = mixer->set_context_sound(rf5c68);
 272         opn2_mix_ch = mixer->set_context_sound(opn2);
 273         cdc_mix_ch = mixer->set_context_sound(cdrom);
 274         mixer->set_interpolate_filter_freq(pcm_mix_ch, 4000); // channel, freq; disable if freq <= 0.
 275         event->set_context_sound(mixer);
 276 #else
 277         // Temporally not use mixer.
 278         event->set_context_sound(beep);
 279         event->set_context_sound(opn2);
 280         event->set_context_sound(rf5c68);
 281         event->set_context_sound(cdrom);
 282 #endif
 283         fdc->set_context_noise_seek(seek_sound);
 284         fdc->set_context_noise_head_down(head_down_sound);
 285         fdc->set_context_noise_head_up(head_up_sound);
 286         event->set_context_sound(seek_sound);
 287         event->set_context_sound(head_down_sound);
 288         event->set_context_sound(head_up_sound);
 289
 290         pit0->set_context_ch0(timer, SIG_TIMER_CH0, 1);
 291         pit0->set_context_ch1(timer, SIG_TIMER_CH1, 1);
 292         pit0->set_context_ch2(beep, SIG_PCM1BIT_SIGNAL, 1);
 293         pit0->set_constant_clock(0, 307200);
 294         pit0->set_constant_clock(1, 307200);
 295         pit0->set_constant_clock(2, 307200);
 296         pit1->set_constant_clock(1, 1228800);
 297 //      pic->set_context_cpu(cpu);
 298         pic->set_context_cpu(memory);
 299         fdc->set_context_irq(floppy, SIG_FLOPPY_IRQ, 1);
 300         rtc->set_context_data(timer, SIG_TIMER_RTC, 0x0f, 0);
 301         rtc->set_context_busy(timer, SIG_TIMER_RTC_BUSY, 0x80);
 302         scsi_host->set_context_irq(scsi, SIG_SCSI_IRQ, 1);
 303         scsi_host->set_context_drq(scsi, SIG_SCSI_DRQ, 1);
 304         dma->set_context_memory(memory);
 305         dma->set_context_ch0(fdc);
 306         dma->set_context_ch1(scsi_host);
 307         //dma->set_context_ch2(printer);
 308         dma->set_context_ch3(cdrom);
 309         dma->set_context_tc(cdrom, SIG_TOWNS_CDROM_DMAINT, 1 << 3);
 310         dma->set_context_ube1(scsi_host, SIG_SCSI_16BIT_BUS, 0x02);
 311
 312         dma->set_context_child_dma(extra_dma);
 313
 314         floppy->set_context_fdc(fdc);
 315
 316         sprite->set_context_vram(vram);
 317         sprite->set_context_font(fontrom);
 318 #ifdef USE_DEBUGGER
 319         sprite->set_context_debugger(new DEBUGGER(this, emu));
 320 #endif
 321
 322         vram->set_context_sprite(sprite);
 323         vram->set_context_crtc(crtc);
 324
 325         crtc->set_context_sprite(sprite);
 326         crtc->set_context_vram(vram);
 327         crtc->set_context_font(fontrom);
 328
 329         //e_volume[0]->set_context_ch0(line_in, MB87878_VOLUME_LEFT);
 330         //e_volume[0]->set_context_ch1(line_in, MB87878_VOLUME_RIGHT);
 331         //e_volume[0]->set_context_ch2(NULL, MB87878_VOLUME_LEFT);
 332         //e_volume[0]->set_context_ch3(NULL, MB87878_VOLUME_RIGHT);
 333 //      e_volume[1]->set_context_ch0(cdrom, MB87878_VOLUME_LEFT);
 334 //      e_volume[1]->set_context_ch1(cdrom, MB87878_VOLUME_RIGHT);
 335         //e_volume[1]->set_context_ch2(mic, MB87878_VOLUME_LEFT | MB87878_VOLUME_RIGHT);
 336         //e_volume[1]->set_context_ch3(modem, MB87878_VOLUME_LEFT | MB87878_VOLUME_RIGHT);
 337
 338         memory->set_context_cpu(cpu);
 339         memory->set_context_dmac(dma);
 340         memory->set_context_vram(vram);
 341         memory->set_context_crtc(crtc);
 342         memory->set_context_system_rom(sysrom);
 343         memory->set_context_msdos(msdosrom);
 344         memory->set_context_dictionary(dictionary);
 345         memory->set_context_font_rom(fontrom);
 346         memory->set_context_beep(beep);
 347         memory->set_context_serial_rom(serialrom);
 348         memory->set_context_sprite(sprite);
 349         memory->set_context_pcm(rf5c68);
 350
 351         adpcm->set_context_opn2(opn2);
 352         adpcm->set_context_rf5c68(rf5c68);
 353         adpcm->set_context_adc(adc);
 354
 355         rf5c68->set_context_interrupt_boundary(adpcm, SIG_ADPCM_WRITE_INTERRUPT, 0xffffffff);
 356 #ifdef USE_DEBUGGER
 357         rf5c68->set_context_debugger(new DEBUGGER(this, emu));
 358 #endif
 359         opn2->set_context_irq(adpcm, SIG_ADPCM_OPX_INTR, 0xffffffff);
 360
 361         adc->set_sample_rate(19200);
 362         adc->set_sound_bank(-1);
 363         adc->set_context_interrupt(adpcm, SIG_ADPCM_ADC_INTR, 0xffffffff);
 364
 365         scsi->set_context_dma(dma);
 366         scsi->set_context_host(scsi_host);
 367         scsi->set_context_pic(pic);
 368         timer->set_context_pcm(beep);
 369         timer->set_context_rtc(rtc);
 370         timer->set_context_halt_line(cpu, SIG_CPU_HALTREQ, 0xffffffff);
 371
 372         // cpu bus
 373         cpu->set_context_mem(memory);
 374         cpu->set_context_io(io);
 375         cpu->set_context_intr(pic);
 376         cpu->set_context_dma(dma);
 377         cpu->set_context_bios(NULL);
 378         cpu->set_context_extreset(memory, SIG_FMTOWNS_NOTIFY_RESET, 0xffffffff);
 379 #ifdef USE_DEBUGGER
 380         cpu->set_context_debugger(new DEBUGGER(this, emu));
 381 #endif
 382         // Interrupts
 383         // IRQ0  : TIMER
 384         // IRQ1  : KEYBOARD
 385         // IRQ2  : USART (ToDo)
 386         // IRQ3  : EXTRA USART (ToDo)
 387         // IRQ4  : EXTRA I/O (Maybe not implement)
 388         // IRQ5  : EXTRA I/O (Maybe not implement)
 389         // IRQ6  : FDC
 390         // IRQ7  : Deisy chain (to IRQ8 - 15)
 391         timer->set_context_intr_line(pic, SIG_I8259_CHIP0 | SIG_I8259_IR0, 0xffffffff);
 392         keyboard->set_context_intr_line(pic, SIG_I8259_CHIP0 | SIG_I8259_IR1, 0xffffffff);
 393         floppy->set_context_intr_line(pic, SIG_I8259_CHIP0 | SIG_I8259_IR6, 0xffffffff);
 394
 395         // IRQ8  : SCSI (-> scsi.cpp)
 396         // IRQ9  : CDC/CDROM
 397         // IRQ10 : EXTRA I/O (Maybe not implement)
 398         // IRQ11 : VSYNC
 399         // IRQ12 : PRINTER (ToDo)
 400         // IRQ13 : ADPCM AND OPN2 (Route to adpcm.cpp)
 401         // IRQ14 : EXTRA I/O (Maybe not implement)
 402         // IRQ15 : RESERVED.
 403         cdrom->set_context_mpuint_line(pic, SIG_I8259_CHIP1 | SIG_I8259_IR1, 0xffffffff);
 404         crtc->set_context_vsync(pic, SIG_I8259_CHIP1 | SIG_I8259_IR3, 0xffffffff);
 405         adpcm->set_context_intr_line(pic, SIG_I8259_CHIP1 | SIG_I8259_IR5, 0xffffffff);
 406
 407         // DMA0  : FDC/DRQ
 408         // DMA1  : SCSI (-> scsi.cpp)
 409         // DMA2  : PRINTER (ToDo)
 410         // DMA3  : CDC/CDROM
 411         // EXTRA DMA0 : EXTRA SLOT (Maybe not implement)
 412         // EXTRA DMA1 : Reserved
 413         // EXTRA DMA2 : Reserved
 414         // EXTRA DMA3 : Reserved
 415         fdc->set_context_drq(dma, SIG_UPD71071_CH0, 1);
 416         cdrom->set_context_drq_line(dma, SIG_UPD71071_CH3, 0xff);
 417
 418         // NMI0 : KEYBOARD (RAS)
 419         // NMI1 : Extra SLOT (Maybe not implement)
 420         keyboard->set_context_nmi_line(memory, SIG_CPU_NMI, 0xffffffff);
 421
 422         // i/o bus
 423         io->set_iomap_alias_rw (0x0000, pic, I8259_ADDR_CHIP0 | 0);
 424         io->set_iomap_alias_rw (0x0002, pic, I8259_ADDR_CHIP0 | 1);
 425         io->set_iomap_alias_rw (0x0010, pic, I8259_ADDR_CHIP1 | 0);
 426         io->set_iomap_alias_rw (0x0012, pic, I8259_ADDR_CHIP1 | 1);
 427
 428         io->set_iomap_range_rw (0x0020, 0x0025, memory);
 429         io->set_iomap_range_rw (0x0026, 0x0027, timer);  // Freerun counter
 430         io->set_iomap_single_rw(0x0028, memory);
 431
 432         io->set_iomap_range_r  (0x0030, 0x0031, memory);        // cpu id / machine id
 433         io->set_iomap_single_rw(0x0032, memory);        // serial rom (routed from memory)
 434         io->set_iomap_single_r (0x0034, scsi);  // ENABLE/ UNABLE to WORD DMA for SCSI
 435
 436         io->set_iomap_alias_rw(0x0040, pit0, 0);
 437         io->set_iomap_alias_rw(0x0042, pit0, 1);
 438         io->set_iomap_alias_rw(0x0044, pit0, 2);
 439         io->set_iomap_alias_rw(0x0046, pit0, 3);
 440         io->set_iomap_alias_rw(0x0050, pit1, 0);
 441         io->set_iomap_alias_rw(0x0052, pit1, 1);
 442         io->set_iomap_alias_rw(0x0054, pit1, 2);
 443         io->set_iomap_alias_rw(0x0056, pit1, 3);
 444
 445         io->set_iomap_single_rw(0x0060, timer); // Beep and interrupts register
 446         io->set_iomap_single_rw(0x0068, timer); // Interval timer register2 (after Towns 10F).
 447         io->set_iomap_single_rw(0x006a, timer); // Interval timer register2 (after Towns 10F).
 448         io->set_iomap_single_rw(0x006b, timer); // Interval timer register2 (after Towns 10F).
 449         io->set_iomap_single_rw(0x006c, timer); // 1uS wait register (after Towns 10F).
 450
 451         io->set_iomap_single_rw(0x0070, timer); // RTC DATA
 452         io->set_iomap_single_w (0x0080, timer); // RTC COMMAND
 453
 454         io->set_iomap_range_rw (0x00a0, 0x00af, dma);
 455         io->set_iomap_range_rw (0x00b0, 0x00bf, extra_dma);
 456
 457         io->set_iomap_alias_rw (0x0200, fdc, 0);  // STATUS/COMMAND
 458         io->set_iomap_alias_rw (0x0202, fdc, 1);  // TRACK
 459         io->set_iomap_alias_rw (0x0204, fdc, 2);  // SECTOR
 460         io->set_iomap_alias_rw (0x0206, fdc, 3);  // DATA
 461         io->set_iomap_single_rw(0x0208, floppy);  // DRIVE STATUS / DRIVE CONTROL
 462         io->set_iomap_single_rw(0x020c, floppy);  // DRIVE SELECT
 463         io->set_iomap_single_rw(0x020e, floppy);  // Towns drive SW
 464
 465         io->set_iomap_range_rw (0x0400, 0x0404, memory); // System Status
 466         io->set_iomap_range_rw (0x0406, 0x403f, memory); // Reserved
 467
 468         io->set_iomap_range_rw(0x0440, 0x0443, crtc); // CRTC
 469         io->set_iomap_range_rw(0x0448, 0x044f, crtc); // VIDEO OUT (CRTC)
 470
 471         io->set_iomap_range_rw(0x0450, 0x0452, sprite); // SPRITE
 472
 473         io->set_iomap_single_rw(0x0458, vram);         // VRAM ACCESS CONTROLLER (ADDRESS)
 474         io->set_iomap_range_rw (0x045a, 0x045f, vram); // VRAM ACCESS CONTROLLER (DATA)
 475
 476         io->set_iomap_single_rw(0x0480, sysrom); //  MEMORY REGISTER
 477         io->set_iomap_single_rw(0x0484, dictionary); // Dictionary
 478
 479         //io->set_iomap_alias_r(0x48a, memory_card, 0); //
 480         //io->set_iomap_alias_rw(0x490, memory_card); // After Towns2
 481         //io->set_iomap_alias_rw(0x491, memory_card); // After Towns2
 482
 483         io->set_iomap_range_rw(0x04c0, 0x04cf, cdrom); // CDROM
 484         // PAD, Sound
 485 #if 1
 486         io->set_iomap_single_r(0x04d0, joystick); // Pad1
 487         io->set_iomap_single_r(0x04d2, joystick); // Pad 2
 488         io->set_iomap_single_w(0x04d6, joystick); // Pad out
 489 #endif
 490         io->set_iomap_single_rw(0x04d5, adpcm); // mute
 491         // OPN2(YM2612)
 492         io->set_iomap_alias_rw(0x04d8, opn2, 0); // STATUS(R)/Addrreg 0(W)
 493         io->set_iomap_alias_w (0x04da, opn2, 1);  // Datareg 0(W)
 494         io->set_iomap_alias_w (0x04dc, opn2, 2);  // Addrreg 1(W)
 495         io->set_iomap_alias_w (0x04de, opn2, 3);  // Datareg 1(W)
 496         // Electrical volume
 497 //      io->set_iomap_alias_rw(0x04e0, e_volume[0], 0);
 498 //      io->set_iomap_alias_rw(0x04e1, e_volume[0], 1);
 499 //      io->set_iomap_alias_rw(0x04e2, e_volume[1], 0);
 500 //      io->set_iomap_alias_rw(0x04e3, e_volume[1], 1);
 501
 502         // ADPCM
 503         io->set_iomap_range_rw(0x04e7, 0x04ef, adpcm); // A/D SAMPLING DATA REG
 504         io->set_iomap_range_rw(0x04f0, 0x04ff, adpcm); // A/D SAMPLING DATA REG
 505
 506         io->set_iomap_single_rw(0x05c0, memory); // NMI MASK
 507         io->set_iomap_single_r (0x05c2, memory);  // NMI STATUS
 508         io->set_iomap_single_r (0x05c8, sprite); // TVRAM EMULATION
 509         io->set_iomap_single_w (0x05ca, crtc); // VSYNC INTERRUPT
 510
 511         io->set_iomap_single_rw(0x05e8, memory); // RAM capacity register.(later Towns1H/2H/1F/2F).
 512         io->set_iomap_single_rw(0x05ec, memory); // RAM Wait register , ofcially after Towns2, but exists after Towns1H.
 513         io->set_iomap_single_r (0x05ed, memory); // RAM Wait register , ofcially after Towns2, but exists after Towns1H.
 514
 515         io->set_iomap_single_rw(0x0600, keyboard);
 516         io->set_iomap_single_rw(0x0602, keyboard);
 517         io->set_iomap_single_rw(0x0604, keyboard);
 518
 519         //io->set_iomap_single_rw(0x0800, printer);
 520         //io->set_iomap_single_rw(0x0802, printer);
 521         //io->set_iomap_single_rw(0x0804, printer);
 522
 523         io->set_iomap_alias_rw (0x0a00, sio, 0);
 524         io->set_iomap_alias_rw (0x0a02, sio, 1);
 525 //      io->set_iomap_single_r (0x0a04, serial);
 526 //      io->set_iomap_single_r (0x0a06, serial);
 527 //      io->set_iomap_single_w (0x0a08, serial);
 528 //      io->set_iomap_single_rw(0x0a0a, modem);
 529
 530         io->set_iomap_single_rw(0x0c30, scsi);
 531         io->set_iomap_single_rw(0x0c32, scsi);
 532
 533         io->set_iomap_range_rw(0x3000, 0x3fff, dictionary); // CMOS
 534
 535         io->set_iomap_range_rw(0xfd90, 0xfda2, crtc);   // Palette and CRTC
 536         io->set_iomap_single_rw(0xfda4, memory);        // memory
 537
 538         io->set_iomap_range_rw(0xff80, 0xff87, vram);   // MMIO
 539         io->set_iomap_range_rw(0xff88, 0xff94, memory); // MMIO
 540         io->set_iomap_range_w (0xff94, 0xff95, fontrom);
 541         io->set_iomap_range_r (0xff96, 0xff97, fontrom);
 542         io->set_iomap_range_rw(0xff98, 0xffff, memory); // MMIO
 543         io->set_iomap_range_rw(0xff9c, 0xffa0, memory); // MMIO
 544
 545         // Vram allocation may be before initialize().
 546         // initialize all devices
 547 #if defined(__GIT_REPO_VERSION)
 548         strncpy(_git_revision, __GIT_REPO_VERSION, sizeof(_git_revision) - 1);
 549 #endif
 550         // ToDo : Use config framework
 551         int exram_size = -1;
 552         if(exram_size < 1) {
 553                 if(machine_id < 0x0200) { // Model1 - 2H
 554                         exram_size = 6;
 555                 } else if(machine_id == 0x0500) { // CX
 556                         exram_size = 15;
 557                 } else if(machine_id < 0x0700) {  // 10F,20H
 558                         exram_size = 8;
 559                 } else if(machine_id == 0x0800) { // HG
 560                         exram_size = 15;
 561                 } else {
 562                         exram_size = 31;
 563                 }
 564         }
 565         memory->set_extra_ram_size(exram_size);
 566
 567 #if defined(WITH_I386SX)
 568         cpu->device_model = INTEL_80386;
 569 #elif defined(WITH_I486SX)
 570         cpu->device_model = INTEL_I486SX;
 571 #elif defined(WITH_I486DX)
 572         cpu->device_model = INTEL_I486DX;
 573 #elif defined(WITH_PENTIUM)
 574         cpu->device_model = INTEL_PENTIUM;
 575 #else
 576         // I386
 577         cpu->device_model = INTEL_80386;
 578 #endif
 579
 580         for(DEVICE* device = first_device; device; device = device->next_device) {
 581                 device->initialize();
 582         }
 583 //      cpu->set_address_mask(0xffffffff);
 584 }
 585
 586 VM::~VM()
 587 {
 588         // delete all devices
 589         for(DEVICE* device = first_device; device;) {
 590                 DEVICE *next_device = device->next_device;
 591 //              printf("DEVID=%d\n", device->this_device_id);
 592                 device->release();
 593                 delete device;
 594                 device = next_device;
 595         }
 596 }
 597
 598 DEVICE* VM::get_device(int id)
 599 {
 600         for(DEVICE* device = first_device; device; device = device->next_device) {
 601                 if(device->this_device_id == id) {
 602                         return device;
 603                 }
 604         }
 605         return NULL;
 606 }
 607
 608 void VM::set_machine_type(uint16_t machine_id, uint16_t cpu_id)
 609 {
 610         if(memory != NULL) {
 611                 memory->set_cpu_id(cpu_id);
 612                 memory->set_machine_id(machine_id);
 613         }
 614         if(crtc != NULL) {
 615                 crtc->set_cpu_id(cpu_id);
 616                 crtc->set_machine_id(machine_id);
 617         }
 618         if(timer != NULL) {
 619                 timer->set_cpu_id(cpu_id);
 620                 timer->set_machine_id(machine_id);
 621         }
 622         if(scsi != NULL) {
 623                 scsi->set_cpu_id(cpu_id);
 624                 scsi->set_machine_id(machine_id);
 625         }
 626 #if defined(HAS_20PIX_FONTS)
 627         if(fontrom_20pix != NULL) {
 628                 fontrom_20pix->set_cpu_id(cpu_id);
 629                 fontrom_20pix->set_machine_id(machine_id);
 630         }
 631 #endif
 632
 633 }
 634
 635
 636 // ----------------------------------------------------------------------------
 637 // drive virtual machine
 638 // ----------------------------------------------------------------------------
 639
 640 void VM::reset()
 641 {
 642         // reset all devices
 643         for(DEVICE* device = first_device; device; device = device->next_device) {
 644                 device->reset();
 645         }
 646 //      cpu->set_address_mask(0xffffffff);
 647 }
 648
 649 void VM::run()
 650 {
 651         event->drive();
 652 }
 653
 654 // ----------------------------------------------------------------------------
 655 // debugger
 656 // ----------------------------------------------------------------------------
 657
 658 #ifdef USE_DEBUGGER
 659 DEVICE *VM::get_cpu(int index)
 660 {
 661         if(index == 0) {
 662                 return cpu;
 663         }
 664         return NULL;
 665 }
 666 #endif
 667
 668 // ----------------------------------------------------------------------------
 669 // draw screen
 670 // ----------------------------------------------------------------------------
 671
 672 void VM::draw_screen()
 673 {
 674         crtc->draw_screen();
 675 }
 676
 677 uint32_t VM::is_floppy_disk_accessed()
 678 {
 679         return fdc->read_signal(0);
 680 }
 681
 682 // ----------------------------------------------------------------------------
 683 // soud manager
 684 // ----------------------------------------------------------------------------
 685
 686 void VM::initialize_sound(int rate, int samples)
 687 {
 688         emu->lock_vm();
 689         // init sound manager
 690         event->initialize_sound(rate, samples);
 691
 692         // init sound gen
 693         beep->initialize_sound(rate, 8000);
 694
 695         // init OPN2
 696         // MASTER CLOCK MAYBE 600KHz * 12 = 7200KHz .
 697         // From FM-Towns Technical Databook (Rev.2), Page 201
 698         opn2->initialize_sound(rate, (int)(600.0e3 * 12.0) , samples, 0.0, 0.0);
 699
 700         // init PCM
 701         rf5c68->initialize_sound(rate, samples);
 702
 703         // add_sound_in_source() must add after per initialize_sound().
 704         adc_in_ch = event->add_sound_in_source(rate, samples, 2);
 705         adc->set_sample_rate(19200);
 706         adc->set_sound_bank(adc_in_ch);
 707 #if 0
 708         mixer->set_context_out_line(adc_in_ch);
 709         mixer->set_context_sample_out(adc_in_ch, rate, samples); // Must be 2ch.
 710         // ToDo: Check recording sample rate & channels.
 711         mic_in_ch = event->add_sound_in_source(rate, samples, 2);
 712         mixer->set_context_mic_in(mic_in_ch, rate, samples);
 713
 714         line_in_ch = event->add_sound_in_source(rate, samples, 2);
 715         mixer->set_context_line_in(line_in_ch, rate, samples);
 716 #endif
 717         emu->unlock_vm();
 718 }
 719
 720 uint16_t* VM::create_sound(int* extra_frames)
 721 {
 722         return event->create_sound(extra_frames);
 723 }
 724
 725 int VM::get_sound_buffer_ptr()
 726 {
 727         return event->get_sound_buffer_ptr();
 728 }
 729
 730 void VM::clear_sound_in()
 731 {
 732         event->clear_sound_in_source(adc_in_ch);
 733         event->clear_sound_in_source(mic_in_ch);
 734         event->clear_sound_in_source(line_in_ch);
 735         return;
 736 }
 737
 738 int VM::get_sound_in_data(int ch, int32_t* dst, int expect_samples, int expect_rate, int expect_channels)
 739 {
 740         if(dst == NULL) return 0;
 741         if(expect_samples <= 0) return 0;
 742         int n_ch = -1;
 743         switch(ch) {
 744         case 0x00:
 745                 n_ch = line_in_ch;
 746                 break;
 747         case 0x01:
 748                 n_ch = mic_in_ch;
 749                 break;
 750         case 0x100:
 751                 n_ch = adc_in_ch;
 752                 break;
 753         }
 754         if(n_ch < 0) return 0;
 755         int samples = event->get_sound_in_data(n_ch, dst, expect_samples, expect_rate, expect_channels);
 756         return samples;
 757 }
 758
 759 // Write to event's buffer
 760 int VM::sound_in(int ch, int32_t* src, int samples)
 761 {
 762         if(ch < 0) return 0;
 763         if(ch >= 2) return 0;
 764         int n_ch = -1;
 765         switch(ch) {
 766         case 0x100:  // ADC in from MIXER, not connected.
 767                 break;
 768         case 0x00: // LINE
 769                 n_ch = line_in_ch;
 770                 break;
 771         case 0x01: // MIC
 772                 n_ch = mic_in_ch;
 773                 break;
 774         }
 775         if(n_ch < 0) return 0;
 776
 777         int ss = 0;
 778         {
 779                 emu->lock_vm();
 780                 ss =  event->write_sound_in_buffer(n_ch, src, samples);
 781                 emu->unlock_vm();
 782
 783         }
 784         return ss;
 785 }
 786
 787 #if defined(USE_HARD_DISK)
 788 void VM::open_hard_disk(int drv, const _TCHAR* file_path)
 789 {
 790         if((drv < USE_HARD_DISK) && (drv < 8) && (drv >= 0)) {
 791                 if(scsi_hdd[drv] != NULL) {
 792                         scsi_hdd[drv]->open(0, file_path, 512);
 793                 }
 794         }
 795 }
 796
 797 void VM::close_hard_disk(int drv)
 798 {
 799         if((drv < USE_HARD_DISK) && (drv < 8) && (drv >= 0)) {
 800                 if(scsi_hdd[drv] != NULL) {
 801                         scsi_hdd[drv]->close(0);
 802                 }
 803         }
 804 }
 805
 806 bool VM::is_hard_disk_inserted(int drv)
 807 {
 808         if((drv < USE_HARD_DISK) && (drv < 8) && (drv >= 0)) {
 809                 if(scsi_hdd[drv] != NULL) {
 810                         return scsi_hdd[drv]->mounted(0);
 811                 }
 812         }
 813         return false;
 814 }
 815
 816 uint32_t VM::is_hard_disk_accessed()
 817 {
 818         uint32_t status = 0;
 819
 820         for(int drv = 0; drv < USE_HARD_DISK; drv++) {
 821                 if(scsi_hdd[drv] != NULL) {
 822                         if(scsi_hdd[drv]->accessed(0)) {
 823                                 status |= 1 << drv;
 824                         }
 825                 }
 826         }
 827         return status;
 828 }
 829 #endif // USE_HARD_DISK
 830
 831 void VM::open_compact_disc(int drv, const _TCHAR* file_path)
 832 {
 833         cdrom->open(file_path);
 834 }
 835
 836 void VM::close_compact_disc(int drv)
 837 {
 838         cdrom->close();
 839 }
 840
 841 bool VM::is_compact_disc_inserted(int drv)
 842 {
 843         return cdrom->mounted();
 844 }
 845
 846 uint32_t VM::is_compact_disc_accessed()
 847 {
 848         return cdrom->accessed();
 849 }
 850
 851 #ifdef USE_SOUND_VOLUME
 852 void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
 853 {
 854 #ifndef HAS_LINEIN_SOUND
 855 //      if(ch >= 7) ch++;
 856 #endif
 857 #ifndef HAS_MIC_SOUND
 858 //      if(ch >= 8) ch++;
 859 #endif
 860 #ifndef HAS_MODEM_SOUND
 861 //      if(ch >= 9) ch++;
 862 #endif
 863 #ifndef HAS_2ND_ADPCM
 864 //      if(ch >= 10) ch++;
 865 #endif
 866 #if 0
 867         if(ch == 0) { // BEEP
 868                 mixer->set_volume(beep_mix_ch, decibel_l, decibel_r);
 869         }
 870         else if(ch == 1) { // CD-ROM
 871                 //e_volume[1]->set_volume(0, decibel_l);
 872                 //e_volume[1]->set_volume(1, decibel_r);
 873                 mixer->set_volume(cdc_mix_ch, decibel_l, decibel_r);
 874         }
 875         else if(ch == 2) { // OPN2
 876                 mixer->set_volume(opn2_mix_ch, decibel_l, decibel_r);
 877         }
 878         else if(ch == 3) { // ADPCM
 879                 mixer->set_volume(pcm_mix_ch, decibel_l, decibel_r);
 880         }
 881         else if(ch == 4) { // LINE IN
 882                 //mixer->set_volume(line_mix_ch, decibel_l, decibel_r);
 883         }
 884         else if(ch == 5) { // MIC
 885                 //mic->set_volume(0, (decibel_l + decibel_r) / 2);
 886         }
 887         else if(ch == 6) { // MODEM
 888                 //modem->set_volume(0, (decibel_l + decibel_r) / 2);
 889         }
 890 #ifdef HAS_2ND_ADPCM
 891         else if(ch == 7) { // ADPCM
 892                 adpcm2->set_volume(0, decibel_l, decibel_r);
 893         }
 894 #endif
 895         else if(ch == 8) { // FDD
 896                 fdc->set_volume(0, decibel_l, decibel_r);
 897         }
 898         else if(ch == 9) { // HDD(ToDo)
 899                 fdc->set_volume(0, decibel_l, decibel_r);
 900         }
 901 #else
 902         if(ch == 0) { // BEEP
 903                 beep->set_volume(0, decibel_l, decibel_r);
 904         }
 905         else if(ch == 1) { // CD-ROM
 906                 cdrom->set_volume(0, decibel_l, decibel_r);
 907         }
 908         else if(ch == 2) { // OPN2
 909                 opn2->set_volume(0, decibel_l, decibel_r);
 910         }
 911         else if(ch == 3) { // ADPCM
 912                 rf5c68->set_volume(0, decibel_l, decibel_r);
 913         }
 914         else if(ch == 4) { // SEEK, HEAD UP / DOWN
 915                 seek_sound->set_volume(0, decibel_l, decibel_r);
 916                 head_up_sound->set_volume(0, decibel_l, decibel_r);
 917                 head_down_sound->set_volume(0, decibel_l, decibel_r);
 918         }
 919
 920 #endif
 921 }
 922 #endif
 923
 924 // ----------------------------------------------------------------------------
 925 // notify key
 926 // ----------------------------------------------------------------------------
 927
 928 void VM::key_down(int code, bool repeat)
 929 {
 930         keyboard->key_down(code);
 931 }
 932
 933 void VM::key_up(int code)
 934 {
 935         keyboard->key_up(code);
 936 }
 937
 938 // ----------------------------------------------------------------------------
 939 // user interface
 940 // ----------------------------------------------------------------------------
 941
 942 void VM::open_floppy_disk(int drv, const _TCHAR* file_path, int bank)
 943 {
 944         fdc->open_disk(drv, file_path, bank);
 945 //      floppy->change_disk(drv);
 946 }
 947
 948 void VM::close_floppy_disk(int drv)
 949 {
 950         fdc->close_disk(drv);
 951 }
 952
 953 bool VM::is_floppy_disk_inserted(int drv)
 954 {
 955         return fdc->is_disk_inserted(drv);
 956 }
 957
 958 void VM::is_floppy_disk_protected(int drv, bool value)
 959 {
 960         fdc->is_disk_protected(drv, value);
 961 }
 962
 963 bool VM::is_floppy_disk_protected(int drv)
 964 {
 965         return fdc->is_disk_protected(drv);
 966 }
 967
 968 bool VM::is_frame_skippable()
 969 {
 970         return event->is_frame_skippable();
 971 }
 972
 973 void VM::update_config()
 974 {
 975         for(DEVICE* device = first_device; device; device = device->next_device) {
 976                 device->update_config();
 977         }
 978 }
 979
 980 #define STATE_VERSION   3
 981
 982 bool VM::process_state(FILEIO* state_fio, bool loading)
 983 {
 984         if(!state_fio->StateCheckUint32(STATE_VERSION)) {
 985                 return false;
 986         }
 987         for(DEVICE* device = first_device; device; device = device->next_device) {
 988                 // Note: typeid(foo).name is fixed by recent ABI.Not decr. 6.
 989                 // const char *name = typeid(*device).name();
 990                 //       But, using get_device_name() instead of typeid(foo).name() 20181008 K.O
 991                 const char *name = device->get_device_name();
 992                 int len = strlen(name);
 993                 if(!state_fio->StateCheckInt32(len)) {
 994                         return false;
 995                 }
 996                 if(!state_fio->StateCheckBuffer(name, len, 1)) {
 997                         return false;
 998                 }
 999                 if(!device->process_state(state_fio, loading)) {
1000                         if(loading) {
1001                                 printf("Data loading Error: DEVID=%d\n", device->this_device_id);
1002                         }
1003                         return false;
1004                 }
1005         }
1006         // Machine specified.
1007         state_fio->StateValue(beep_mix_ch);
1008         state_fio->StateValue(cdc_mix_ch);
1009         state_fio->StateValue(opn2_mix_ch);
1010         state_fio->StateValue(pcm_mix_ch);
1011         state_fio->StateValue(line_mix_ch);
1012         state_fio->StateValue(modem_mix_ch);
1013         state_fio->StateValue(mic_mix_ch);
1014
1015
1016         return true;
1017 }
1018