source/src/vm/pc6001/memory.cpp

   1 /** iP6: PC-6000/6600 series emualtor ************************/
   2 /**                                                         **/
   3 /**                         Refresh.c                       **/
   4 /**                                                         **/
   5 /** modified by Windy 2002-2004                             **/
   6 /** by ISHIOKA Hiroshi 1998,1999                            **/
   7 /** This code is based on fMSX written by Marat Fayzullin   **/
   8 /** and Adaptions for any X-terminal by Arnold Metselaar    **/
   9 /*************************************************************/
  10
  11 /*
  12         NEC PC-6001 Emulator 'yaPC-6001'
  13         NEC PC-6001mkII Emulator 'yaPC-6201'
  14         NEC PC-6001mkIISR Emulator 'yaPC-6401'
  15         NEC PC-6601 Emulator 'yaPC-6601'
  16         NEC PC-6601SR Emulator 'yaPC-6801'
  17
  18         Author : tanam
  19         Date   : 2013.07.15-
  20
  21         [ memory ]
  22 */
  23
  24 #include "./memory.h"
  25 #include "timer.h"
  26
  27 #define RAM             (MEMORY_BASE + RAM_BASE)
  28 #define BASICROM        (MEMORY_BASE + BASICROM_BASE)
  29 #define EXTROM          (MEMORY_BASE + EXTROM_BASE)
  30 #define CGROM1          (MEMORY_BASE + CGROM1_BASE)
  31 #define EmptyRAM        (MEMORY_BASE + EmptyRAM_BASE)
  32 // PC-6001mkII, PC-6601
  33 #define VOICEROM        (MEMORY_BASE + VOICEROM_BASE)
  34 #define KANJIROM        (MEMORY_BASE + KANJIROM_BASE)
  35 #define CGROM5          (MEMORY_BASE + CGROM5_BASE)
  36 // PC-6001mkIISR, PC-6601SR
  37 #define EXTRAM          (MEMORY_BASE + EXTRAM_BASE)
  38 #define SYSTEMROM1      (MEMORY_BASE + SYSTEMROM1_BASE)
  39 #define SYSTEMROM2      (MEMORY_BASE + SYSTEMROM2_BASE)
  40 #define CGROM6          (MEMORY_BASE + CGROM6_BASE)
  41
  42 void PC6001_MEMORY::initialize()
  43 {
  44         FILEIO* fio = new FILEIO();
  45 #if defined(_PC6001)
  46         if(fio->Fopen(create_local_path(_T("BASICROM.60")), FILEIO_READ_BINARY)) {
  47                 fio->Fread(BASICROM, 0x4000, 1);
  48                 fio->Fclose();
  49         }
  50         if(fio->Fopen(create_local_path(_T("CGROM60.60")), FILEIO_READ_BINARY)) {
  51                 fio->Fread(CGROM1, 0x1000, 1);
  52                 fio->Fclose();
  53         }
  54 #elif defined(_PC6001MK2)
  55         if (fio->Fopen(create_local_path(_T("CGROM62.62")), FILEIO_READ_BINARY)) {
  56                 fio->Fread(CGROM5, 0x2000, 1);
  57                 fio->Fclose();
  58         }
  59         else if (fio->Fopen(create_local_path(_T("CGROM60m.62")), FILEIO_READ_BINARY)) {
  60                 fio->Fread(CGROM5, 0x2000, 1);
  61                 fio->Fclose();
  62         }
  63         if (fio->Fopen(create_local_path(_T("BASICROM.62")), FILEIO_READ_BINARY)) {
  64                 fio->Fread(BASICROM, 0x8000, 1);
  65                 fio->Fclose();
  66         }
  67         if (fio->Fopen(create_local_path(_T("CGROM60.62")), FILEIO_READ_BINARY)) {
  68                 fio->Fread(CGROM1, 0x2000, 1);
  69                 fio->Fclose();
  70         }
  71         if (fio->Fopen(create_local_path(_T("KANJIROM.62")), FILEIO_READ_BINARY)) {
  72                 fio->Fread(KANJIROM, 0x8000, 1);
  73                 fio->Fclose();
  74         }
  75         if (fio->Fopen(create_local_path(_T("VOICEROM.62")), FILEIO_READ_BINARY)) {
  76                 fio->Fread(VOICEROM, 0x4000, 1);
  77                 fio->Fclose();
  78         }
  79 #elif defined(_PC6601)
  80         if (fio->Fopen(create_local_path(_T("CGROM66.66")), FILEIO_READ_BINARY)) {
  81                 fio->Fread(CGROM5, 0x2000, 1);
  82                 fio->Fclose();
  83         }
  84         if (fio->Fopen(create_local_path(_T("BASICROM.66")), FILEIO_READ_BINARY)) {
  85                 fio->Fread(BASICROM, 0x8000, 1);
  86                 fio->Fclose();
  87         }
  88         if (fio->Fopen(create_local_path(_T("CGROM60.66")), FILEIO_READ_BINARY)) {
  89                 fio->Fread(CGROM1, 0x2000, 1);
  90                 fio->Fclose();
  91         }
  92         if (fio->Fopen(create_local_path(_T("KANJIROM.66")), FILEIO_READ_BINARY)) {
  93                 fio->Fread(KANJIROM, 0x8000, 1);
  94                 fio->Fclose();
  95         }
  96         if (fio->Fopen(create_local_path(_T("VOICEROM.66")), FILEIO_READ_BINARY)) {
  97                 fio->Fread(VOICEROM, 0x4000, 1);
  98                 fio->Fclose();
  99         }
 100 #elif defined(_PC6601SR) || defined(_PC6001MK2SR)
 101         if (fio->Fopen(create_local_path(_T("CGROM68.68")), FILEIO_READ_BINARY)) {
 102                 fio->Fread(CGROM6, 0x4000, 1);
 103                 fio->Fclose();
 104         }
 105         memcpy(CGROM1, CGROM6, 0x2400);
 106         memcpy(CGROM5, CGROM6+0x2000, 0x2000);
 107         if (fio->Fopen(create_local_path(_T("SYSTEMROM1.68")), FILEIO_READ_BINARY)) {
 108                 fio->Fread(SYSTEMROM1, 0x10000, 1);
 109                 fio->Fclose();
 110         }
 111         memcpy(BASICROM, SYSTEMROM1, 0x8000);
 112         if (fio->Fopen(create_local_path(_T("SYSTEMROM2.68")), FILEIO_READ_BINARY)) {
 113                 fio->Fread(SYSTEMROM2, 0x10000, 1);
 114                 fio->Fclose();
 115         }
 116         memcpy(VOICEROM, SYSTEMROM2+0x4000, 0x4000);
 117         memcpy(KANJIROM, SYSTEMROM2+0x8000, 0x8000);
 118 #endif
 119         delete fio;
 120
 121 #ifndef _PC6001
 122         int i;
 123         // for mkII/66
 124         int Pal11[ 4] = { 15, 8,10, 8 };
 125         int Pal12[ 8] = { 10,11,12, 9,15,14,13, 1 };
 126         int Pal13[ 8] = { 10,11,12, 9,15,14,13, 1 };
 127         int Pal14[ 4] = {  8,10, 8,15 };
 128         int Pal15[ 8] = {  8,9,11,14, 8,9,14,15 };
 129         int Pal53[32] = {  0, 4, 1, 5, 2, 6, 3, 7, 8,12, 9,13,10,14,11,15,
 130                 10,11,12, 9,15,14,13, 1,10,11,12, 9,15,14,13, 1 };
 131
 132         for(i=0;i<32;i++) {
 133                 BPal53[i]=Pal53[i];
 134                 if (i>15) continue;
 135                 BPal[i]=i;
 136                 if (i>7) continue;
 137                 BPal12[i]=Pal12[i];
 138                 BPal13[i]=Pal13[i];
 139                 BPal15[i]=Pal15[i];
 140                 if (i>3) continue;
 141                 BPal11[i]=Pal11[i];
 142                 BPal14[i]=Pal14[i];
 143         }
 144         for (i=0;i<32;i++) BPal62[i] = BPal53[i];       // for RefreshScr62/63
 145         for (i=0;i<16;i++) BPal61[i] = BPal[i];         // for RefreshScr61
 146
 147         // mk2\81` palette
 148         palette_pc[ 0] = RGB_COLOR(0x14,0x14,0x14); // COL065                   = 141414                        ;mk2\81` \93§\96¾(\8d\95)
 149         palette_pc[ 1] = RGB_COLOR(0xFF,0xAC,0x00); // COL066                   = FFAC00                        ;mk2\81` \9eò
 150         palette_pc[ 2] = RGB_COLOR(0x00,0xFF,0xAC); // COL067                   = 00FFAC                        ;mk2\81` \90Â\97Î
 151         palette_pc[ 3] = RGB_COLOR(0xAC,0xFF,0x00); // COL068                   = ACFF00                        ;mk2\81` \89©\97Î
 152         palette_pc[ 4] = RGB_COLOR(0xAC,0x00,0xFF); // COL069                   = AC00FF                        ;mk2\81` \90Â\8e\87
 153         palette_pc[ 5] = RGB_COLOR(0xFF,0x00,0xAC); // COL070                   = FF00AC                        ;mk2\81` \90Ô\8e\87
 154         palette_pc[ 6] = RGB_COLOR(0x00,0xAC,0xFF); // COL071                   = 00ACFF                        ;mk2\81` \8bó\90F
 155         palette_pc[ 7] = RGB_COLOR(0xAC,0xAC,0xAC); // COL072                   = ACACAC                        ;mk2\81` \8aD\90F
 156         palette_pc[ 8] = RGB_COLOR(0x14,0x14,0x14); // COL073                   = 141414                        ;mk2\81` \8d\95
 157         palette_pc[ 9] = RGB_COLOR(0xFF,0x00,0x00); // COL074                   = FF0000                        ;mk2\81` \90Ô
 158         palette_pc[10] = RGB_COLOR(0x00,0xFF,0x00); // COL075                   = 00FF00                        ;mk2\81` \97Î
 159         palette_pc[11] = RGB_COLOR(0xFF,0xFF,0x00); // COL076                   = FFFF00                        ;mk2\81` \89©
 160         palette_pc[12] = RGB_COLOR(0x00,0x00,0xFF); // COL077                   = 0000FF                        ;mk2\81` \90Â
 161         palette_pc[13] = RGB_COLOR(0xFF,0x00,0xFF); // COL078                   = FF00FF                        ;mk2\81` \83}\83[\83\93\83^
 162         palette_pc[14] = RGB_COLOR(0x00,0xFF,0xFF); // COL079                   = 00FFFF                        ;mk2\81` \83V\83A\83\93
 163         palette_pc[15] = RGB_COLOR(0xFF,0xFF,0xFF); // COL080                   = FFFFFF                        ;mk2\81` \94\92
 164
 165         // register event
 166         register_vline_event(this);
 167 #endif
 168 }
 169
 170 void PC6001_MEMORY::reset()
 171 {
 172 #ifdef _PC6001
 173         int J;
 174         if (!inserted) {
 175 ///             EXTROM1 = EXTROM2 = EmptyRAM;
 176                 EXTROM1 = RAM + 0x4000;
 177                 EXTROM2 = RAM + 0x6000;
 178                 FILEIO* fio = new FILEIO();
 179                 if (fio->Fopen(create_local_path(_T("EXTROM.60")), FILEIO_READ_BINARY)) {
 180                         fio->Fread(EXTROM, 0x4000, 1);
 181                         fio->Fclose();
 182                         EXTROM1 = EXTROM;
 183                         EXTROM2 = EXTROM + 0x2000;
 184                         inserted = true;
 185                 }
 186                 delete fio;
 187         }
 188         memset(RAM ,0,0x10000);
 189         memset(EmptyRAM, 0, 0x2000);
 190         CGROM = CGROM1;
 191         CGSW93 = 0;
 192         VRAM = RAM;
 193         for(J=0;J<4;J++) {RdMem[J]=BASICROM+0x2000*J;WrMem[J]=RAM+0x2000*J;};
 194         RdMem[2] = EXTROM1; RdMem[3] = EXTROM2;
 195         for(J=4;J<8;J++) {RdMem[J]=RAM+0x2000*J;WrMem[J]=RAM+0x2000*J;};
 196         EnWrite[0]=0; EnWrite[1]=EnWrite[2]=EnWrite[3]=1;
 197 #else
 198         int I, J;
 199         uint8_t *addr=RAM;
 200         memset(RAM ,0,0x10000);
 201         memset(EmptyRAM, 0, 0x2000);
 202         for(I=0; I<256; I++ ){
 203                 for( J=0; J<64; J++ ){
 204                         *addr++ = 0x00;
 205                         *addr++ = 0xff;
 206                 }
 207                 for( J=0; J<64; J++ ){
 208                         *addr++ = 0xff;
 209                         *addr++ = 0x00;
 210                 }
 211         }
 212         if (!inserted) {
 213                 EXTROM1 = EXTROM2 = EmptyRAM;
 214         }
 215 #if defined(_PC6001MK2) || defined(_PC6601)
 216         static_cast<VM *>(vm)->sr_mode=0;
 217         CGROM = CGROM1;
 218         VRAM = RAM+0xE000;
 219         for (I=0; I<0x200; I++ ) *(VRAM+I)=0xde;
 220         for(J=0;J<4;J++) {RdMem[J]=BASICROM+0x2000*J;WrMem[J]=RAM+0x2000*J;};
 221         for(J=4;J<8;J++) {RdMem[J]=RAM+0x2000*J;WrMem[J]=RAM+0x2000*J;};
 222         EnWrite[0]=EnWrite[1]=0; EnWrite[2]=EnWrite[3]=1;
 223 #elif defined(_PC6601SR) || defined(_PC6001MK2SR)
 224         static_cast<VM *>(vm)->sr_mode=1;
 225         bitmap=1;
 226         cols=40;
 227         rows=20;
 228         lines=200;
 229         memset(EXTRAM ,0,0x10000);
 230         for (int i=0; i<16; i++) palet[i] = i;
 231         port60[0]= 0xf8;                                        //I/O[60..67] READ  MEMORY MAPPING
 232         for (I=1; I<15; I++) port60[I]=0;       //I/O[68-6f]  WRITE MEMORY MAPPING
 233         portC1 = 0x00;                                          //I/O[C1]     CRT CONTROLLER MODE
 234         portC8 = 0x00;                                          //I/O[C8]     CRT CONTROLLER TYPE
 235         portCA = 0x00;                                          //I/O[CA]     X GEOMETORY low  HARDWARE SCROLL
 236         portCB = 0x00;                                          //I/O[CB]     X GEOMETORY high HARDWARE SCROLL
 237         portCC = 0x00;                                          //I/O[CC]     Y GEOMETORY      HARDWARE SCROLL
 238         portCE = 0x00;                                          //I/O[CE]     LINE SETTING  BITMAP (low) */
 239         portCF = 0x00;                                          //I/O[CF]     LINE SETTING  BITMAP (High) */
 240         CGROM=CGROM6;
 241         make_semigraph();
 242         for(J=0;J<4;J++) {RdMem[J]=SYSTEMROM1+0x2000*J+0x8000;WrMem[J]=RAM+0x2000*J;};
 243         RdMem[2] = EXTROM1; RdMem[3] = EXTROM2;
 244         for(J=4;J<8;J++) {RdMem[J]=RAM+0x2000*J;WrMem[J]=RAM+0x2000*J;};
 245         EnWrite[0]=EnWrite[1]=0; EnWrite[2]=EnWrite[3]=1;
 246         VRAM=RAM;
 247         TEXTVRAM=RAM;
 248         SYSROM2=EmptyRAM;
 249 #endif
 250         portF0 = 0x11;
 251         portF1 = 0xdd;
 252         CRTMode1 = CRTMode2 = CRTMode3 = 0;
 253         CSS3=CSS2=CSS1=0;
 254         CGSW93 = CRTKILL = 0;
 255         CurKANJIROM = KANJIROM;
 256 #endif
 257 }
 258
 259 void PC6001_MEMORY::write_data8(uint32_t addr, uint32_t data)
 260 {
 261 #if defined(_PC6601SR) || defined(_PC6001MK2SR)
 262         /* Graphics Vram Write (SR basic) */
 263         if(static_cast<VM *>(vm)->sr_mode && chk_gvram(addr ,8))
 264                 gvram_write(addr, data);
 265         else
 266 #endif
 267         /* normal memory write */
 268         if(EnWrite[addr >> 14])
 269                 WrMem[addr >> 13][addr & 0x1FFF] = data;
 270 }
 271
 272 uint32_t PC6001_MEMORY::read_data8(uint32_t addr)
 273 {
 274 #if defined(_PC6601SR) || defined(_PC6001MK2SR)
 275         /* Graphics Vram Read (SR basic) */
 276         if(static_cast<VM *>(vm)->sr_mode && chk_gvram(addr, 0))
 277                 return(gvram_read(addr));
 278 #endif
 279         return(RdMem[addr >> 13][addr & 0x1FFF]);
 280 }
 281
 282 void PC6001_MEMORY::write_io8(uint32_t addr, uint32_t data)
 283 {
 284         unsigned int VRAMHead[2][4] = {
 285                 { 0xc000, 0xe000, 0x8000, 0xa000 },
 286                 { 0x8000, 0xc000, 0x0000, 0x4000 }
 287         };
 288         uint16_t port=(addr & 0x00ff);
 289         uint8_t Value=data;
 290         switch(port)
 291         {
 292 #ifdef _PC6001
 293         /// 64K RAM ///
 294         case 0x00:
 295                 if (Value & 1) {
 296                         RdMem[0]=RAM;
 297                         RdMem[1]=RAM+0x2000;
 298                         EnWrite[0]=1;
 299                 } else {
 300                         RdMem[0]=BASICROM;
 301                         RdMem[1]=BASICROM+0x2000;
 302                         EnWrite[0]=0;
 303                 }
 304                 break;
 305         /// CP/M ///
 306         case 0xf0:
 307                 if (Value ==0xdd) {
 308                         RdMem[0]=RAM;
 309                         RdMem[1]=RAM+0x2000;
 310                         RdMem[2]=RAM+0x4000;
 311                         RdMem[3]=RAM+0x6000;
 312                         EnWrite[0]=EnWrite[1]=1;
 313                 } else {
 314                         RdMem[0]=BASICROM;
 315                         RdMem[1]=BASICROM+0x2000;
 316                         RdMem[2]=EXTROM1;
 317                         RdMem[3]=EXTROM2;
 318                         EnWrite[0]=EnWrite[1]=0;
 319                 }
 320                 break;
 321 #else
 322 #if defined(_PC6601SR) || defined(_PC6001MK2SR)
 323         case 0x40:
 324         case 0x41:
 325         case 0x42:
 326         case 0x43:
 327                 int reg,val;
 328                 reg= 15-(port-0x40);
 329                 val= 15-Value;
 330                 palet[ reg]= val;
 331                 do_palet( reg,val);
 332                 break;
 333         case 0x60:
 334         case 0x61:
 335         case 0x62:
 336         case 0x63:
 337         case 0x64:
 338         case 0x65:
 339         case 0x66:
 340         case 0x67:
 341                 int start_adr;
 342                 start_adr= Value & 0xe;
 343                 port60[port-0x60]= Value;
 344                 switch( Value & 0xf0) {
 345                 case 0xf0: RdMem[(port& 0xf)]=SYSTEMROM1+(start_adr)*0x1000;break;
 346                 case 0xe0: RdMem[(port& 0xf)]=SYSTEMROM2+(start_adr)*0x1000;break;
 347                 case 0xd0: RdMem[(port& 0xf)]=    CGROM6+(start_adr)*0x1000;break;
 348                 case 0xc0: RdMem[(port& 0xf)]=   EXTROM2; /*+(start_adr)*0x1000; */break;
 349                 case 0xb0: RdMem[(port& 0xf)]=   EXTROM1; /*+(start_adr)*0x1000; */break;
 350                 case 0x00: RdMem[(port& 0xf)]=       RAM+(start_adr)*0x1000;break;
 351                 case 0x20: if (EXTRAM) RdMem[ port & 0xf]=  EXTRAM+((start_adr)*0x1000); break;
 352                 }
 353                 return;
 354         case 0x68:
 355         case 0x69:
 356         case 0x6a:
 357         case 0x6b:
 358         case 0x6c:
 359         case 0x6d:
 360         case 0x6e:
 361         case 0x6f:
 362                 port60[port-0x60]= Value;
 363                 if ((Value & 0xf0)==0x00) {
 364                         WrMem[ (port& 0xf)-8]= RAM+((Value & 0xe)*0x1000);
 365                         EnWrite[ ((port & 0xe)-8)/2 ]= 1;
 366                 }
 367                 if (EXTRAM) {
 368                         if((Value & 0xf0)==0x20) {
 369                                 WrMem[ (port& 0xf)-8]= EXTRAM+((Value & 0xe)*0x1000);
 370                         }
 371                 }
 372                 break;
 373 #endif
 374         case 0xB0:
 375                 if (static_cast<VM *>(vm)->sr_mode) {
 376                         d_timer->set_portB0(Value);
 377                 } else {
 378                         VRAM=(RAM+VRAMHead[CRTMode1][(data&0x06)>>1]);
 379                         if (CRTMode1 && Value == 6) d_timer->set_portB0(Value | 0x01); /// Colony Oddysey
 380                         else d_timer->set_portB0(Value);
 381                 }
 382                 break;
 383         case 0xC0: // CSS
 384                 CSS3=(Value&0x04)<<2;CSS2=(Value&0x02)<<2;CSS1=(Value&0x01)<<2;
 385                 break;
 386         case 0xC1: // CRT controller mode
 387                 CRTMode1=(Value&0x02) ? 0 : 1;
 388                 CRTMode2=(Value&0x04) ? 0 : 1;
 389                 CRTMode3=(Value&0x08) ? 0 : 1;
 390 #if defined(_PC6601SR) || defined(_PC6001MK2SR)
 391                 portC1 = Value;
 392                 if (static_cast<VM *>(vm)->sr_mode)
 393                         lines=(Value&0x01) ? 200 : 204;
 394                 if (static_cast<VM *>(vm)->sr_mode)
 395                         CGROM = CGROM6;    // N66SR BASIC use CGROM6
 396                 else
 397                         CGROM = ((CRTMode1 == 0) ? CGROM1 : CGROM5);
 398                 if (static_cast<VM *>(vm)->sr_mode) {
 399                         if (CRTMode1==1 && CRTMode2==0 && !bitmap) { /* width 80 */
 400                                 cols=80;
 401                         } else if(CRTMode1==0 && CRTMode2==0 && !bitmap) { /* Width 40  */
 402                                 cols=40;
 403                         }
 404                 }
 405 #else
 406                 CGROM = ((CRTMode1 == 0) ? CGROM1 : CGROM5);
 407 #endif
 408                 break;
 409         case 0xC2: // ROM swtich
 410                 if (static_cast<VM *>(vm)->sr_mode) return;     /* sr_mode do nothing! */
 411                 if ((Value&0x02)==0x00) CurKANJIROM=KANJIROM;
 412                 else CurKANJIROM=KANJIROM+0x4000;
 413                 if ((Value&0x01)==0x00) {
 414 ///                     if(RdMem[0]!=BASICROM) RdMem[0]=VOICEROM;
 415 ///                     if(RdMem[1]!=BASICROM+0x2000) RdMem[1]=VOICEROM+0x2000;
 416 ///                     if(RdMem[0]!=BASICROM)        RdMem[0]=SYSTEMROM2;
 417 ///                     if(RdMem[1]!=BASICROM+0x2000) RdMem[1]=SYSTEMROM2+0x2000;
 418                         if(RdMem[2]!=BASICROM+0x4000) RdMem[2]=VOICEROM;
 419                         if(RdMem[3]!=BASICROM+0x6000) RdMem[3]=VOICEROM+0x2000;
 420                 }
 421                 else {
 422                         write_io8(0xF0,portF0);
 423                 };
 424                 break;
 425         case 0xC3: break; // C2H in/out switch
 426 #if defined(_PC6601SR) || defined(_PC6001MK2SR)
 427         case 0xC8:
 428                 portC8  = Value;
 429                 bitmap  = (Value & 8)? 0:1;
 430                 rows    = (Value & 4)? 20:25;
 431 ///             busreq  = (Value & 2)? 0:1;
 432                 static_cast<VM *>(vm)->sr_mode = ((Value & 1)==1) ? 0 : 1;
 433                 if (bitmap && static_cast<VM *>(vm)->sr_mode)
 434                 {
 435                         VRAM = (Value & 0x10) ? RAM+0x8000:RAM+0x0000;
 436                 }
 437                 if (static_cast<VM *>(vm)->sr_mode) {
 438                         CGROM=CGROM6;
 439                         portF0=0x11;
 440                 }
 441                 break;
 442         case 0xC9:
 443                 if (static_cast<VM *>(vm)->sr_mode && !bitmap )
 444                 {
 445                         TEXTVRAM=RAM+(Value & 0xf)*0x1000;
 446                 }
 447                 break;
 448         case 0xCA: portCA=Value; break; // Graphics scroll X low
 449         case 0xCB: portCB=Value; break;// Graphics scroll X high
 450         case 0xCC: portCC=Value; break; // Graphics scroll Y
 451         case 0xCE: portCE=Value; break; /* Graphics Y zahyou SR-BASIC add 2002/2 */
 452         case 0xCF: portCF=0; break;
 453 #endif
 454         case 0xF0: // read block set
 455                 if (static_cast<VM *>(vm)->sr_mode) return;     /* sr_mode do nothing! */
 456                 portF0 = Value;
 457                 switch(data & 0x0f)
 458                 {
 459                 case 0x00: RdMem[0]=RdMem[1]=EmptyRAM; break;
 460                 case 0x01: RdMem[0]=BASICROM;RdMem[1]=BASICROM+0x2000; break;
 461                 case 0x02: RdMem[0]=CurKANJIROM;RdMem[1]=CurKANJIROM+0x2000; break;
 462                 case 0x03: RdMem[0]=RdMem[1]=EXTROM2; break;
 463                 case 0x04: RdMem[0]=RdMem[1]=EXTROM1; break;
 464                 case 0x05: RdMem[0]=CurKANJIROM;RdMem[1]=BASICROM+0x2000; break;
 465 #if defined(_PC6601SR) || defined(_PC6001MK2SR)
 466                 case 0x06: RdMem[0]=BASICROM;RdMem[1]=(SYSROM2==EmptyRAM ? CurKANJIROM+0x2000 : SYSROM2); break;
 467 #else
 468                 case 0x06: RdMem[0]=BASICROM;RdMem[1]=CurKANJIROM+0x2000;break;
 469 #endif
 470                 case 0x07: RdMem[0]=EXTROM1;RdMem[1]=EXTROM2; break;
 471                 case 0x08: RdMem[0]=EXTROM2;RdMem[1]=EXTROM1; break;
 472                 case 0x09: RdMem[0]=EXTROM2;RdMem[1]=BASICROM+0x2000; break;
 473                 case 0x0a: RdMem[0]=BASICROM;RdMem[1]=EXTROM2; break;
 474                 case 0x0b: RdMem[0]=EXTROM1;RdMem[1]=CurKANJIROM+0x2000; break;
 475                 case 0x0c: RdMem[0]=CurKANJIROM;RdMem[1]=EXTROM1; break;
 476                 case 0x0d: RdMem[0]=RAM;RdMem[1]=RAM+0x2000; break;
 477 #if defined(_PC6601SR) || defined(_PC6001MK2SR)
 478                 case 0x0e: if (EXTRAM) {RdMem[0]=EXTRAM; RdMem[1]=EXTRAM+0x2000;break;}
 479 #else
 480                 case 0x0e: RdMem[0]=RdMem[1]=EmptyRAM; break;
 481 #endif
 482                 case 0x0f: RdMem[0]=RdMem[1]=EmptyRAM; break;
 483                 };
 484                 switch(data & 0xf0)
 485                 {
 486                 case 0x00: RdMem[2]=RdMem[3]=EmptyRAM; break;
 487                 case 0x10: RdMem[2]=BASICROM+0x4000;RdMem[3]=BASICROM+0x6000; break;
 488                 case 0x20: RdMem[2]=VOICEROM;RdMem[3]=VOICEROM+0x2000; break;
 489                 case 0x30: RdMem[2]=RdMem[3]=EXTROM2; break;
 490                 case 0x40: RdMem[2]=RdMem[3]=EXTROM1; break;
 491                 case 0x50: RdMem[2]=VOICEROM;RdMem[3]=BASICROM+0x6000; break;
 492                 case 0x60: RdMem[2]=BASICROM+0x4000;RdMem[3]=VOICEROM+0x2000; break;
 493                 case 0x70: RdMem[2]=EXTROM1;RdMem[3]=EXTROM2; break;
 494                 case 0x80: RdMem[2]=EXTROM2;RdMem[3]=EXTROM1; break;
 495                 case 0x90: RdMem[2]=EXTROM2;RdMem[3]=BASICROM+0x6000; break;
 496                 case 0xa0: RdMem[2]=BASICROM+0x4000;RdMem[3]=EXTROM2; break;
 497                 case 0xb0: RdMem[2]=EXTROM1;RdMem[3]=VOICEROM+0x2000; break;
 498                 case 0xc0: RdMem[2]=VOICEROM;RdMem[3]=EXTROM1; break;
 499                 case 0xd0: RdMem[2]=RAM+0x4000;RdMem[3]=RAM+0x6000; break;
 500 #if defined(_PC6601SR) || defined(_PC6001MK2SR)
 501                 case 0xe0: if (EXTRAM) {RdMem[2]=EXTRAM+0x4000; RdMem[3]=EXTRAM+0x6000; break;}
 502 #else
 503                 case 0xe0: RdMem[2]=RdMem[3]=EmptyRAM; break;
 504 #endif
 505                 case 0xf0: RdMem[2]=RdMem[3]=EmptyRAM; break;
 506                 };
 507                 if (CGSW93)     RdMem[3] = CGROM;
 508                 break;
 509         case 0xF1: // read block set
 510                 if (static_cast<VM *>(vm)->sr_mode) return;     /* sr_mode do nothing! */
 511                 portF1 = Value;
 512                 switch(data & 0x0f)
 513                 {
 514                 case 0x00: RdMem[4]=RdMem[5]=EmptyRAM; break;
 515                 case 0x01: RdMem[4]=BASICROM;RdMem[5]=BASICROM+0x2000; break;
 516                 case 0x02: RdMem[4]=CurKANJIROM;RdMem[5]=CurKANJIROM+0x2000; break;
 517                 case 0x03: RdMem[4]=RdMem[5]=EXTROM2; break;
 518                 case 0x04: RdMem[4]=RdMem[5]=EXTROM1; break;
 519                 case 0x05: RdMem[4]=CurKANJIROM;RdMem[5]=BASICROM+0x2000; break;
 520                 case 0x06: RdMem[4]=BASICROM;RdMem[5]=CurKANJIROM+0x2000; break;
 521                 case 0x07: RdMem[4]=EXTROM1;RdMem[5]=EXTROM2; break;
 522                 case 0x08: RdMem[4]=EXTROM2;RdMem[5]=EXTROM1; break;
 523                 case 0x09: RdMem[4]=EXTROM2;RdMem[5]=BASICROM+0x2000; break;
 524                 case 0x0a: RdMem[4]=BASICROM;RdMem[5]=EXTROM2; break;
 525                 case 0x0b: RdMem[4]=EXTROM1;RdMem[5]=CurKANJIROM+0x2000; break;
 526                 case 0x0c: RdMem[4]=CurKANJIROM;RdMem[5]=EXTROM1; break;
 527                 case 0x0d: RdMem[4]=RAM+0x8000;RdMem[5]=RAM+0xa000; break;
 528 #if defined(_PC6601SR) || defined(_PC6001MK2SR)
 529                 case 0x0e: if (EXTRAM) {RdMem[4]=EXTRAM+0x8000; RdMem[5]=EXTRAM+0xa000; break;}
 530 #else
 531                 case 0x0e: RdMem[4]=RdMem[5]=EmptyRAM; break;
 532 #endif
 533                 case 0x0f: RdMem[4]=RdMem[5]=EmptyRAM; break;
 534                 };
 535                 switch(data & 0xf0)
 536                 {
 537                 case 0x00: RdMem[6]=RdMem[7]=EmptyRAM; break;
 538                 case 0x10: RdMem[6]=BASICROM+0x4000;RdMem[7]=BASICROM+0x6000; break;
 539                 case 0x20: RdMem[6]=CurKANJIROM;RdMem[7]=CurKANJIROM+0x2000; break;
 540                 case 0x30: RdMem[6]=RdMem[7]=EXTROM2; break;
 541                 case 0x40: RdMem[6]=RdMem[7]=EXTROM1; break;
 542                 case 0x50: RdMem[6]=CurKANJIROM;RdMem[7]=BASICROM+0x6000; break;
 543                 case 0x60: RdMem[6]=BASICROM+0x4000;RdMem[7]=CurKANJIROM+0x2000; break;
 544                 case 0x70: RdMem[6]=EXTROM1;RdMem[7]=EXTROM2; break;
 545                 case 0x80: RdMem[6]=EXTROM2;RdMem[7]=EXTROM1; break;
 546                 case 0x90: RdMem[6]=EXTROM2;RdMem[7]=BASICROM+0x6000; break;
 547                 case 0xa0: RdMem[6]=BASICROM+0x4000;RdMem[7]=EXTROM2; break;
 548                 case 0xb0: RdMem[6]=EXTROM1;RdMem[7]=CurKANJIROM+0x2000; break;
 549                 case 0xc0: RdMem[6]=CurKANJIROM;RdMem[7]=EXTROM1; break;
 550                 case 0xd0: RdMem[6]=RAM+0xc000;RdMem[7]=RAM+0xe000; break;
 551 #if defined(_PC6601SR) || defined(_PC6001MK2SR)
 552                 case 0xe0: if (EXTRAM) {RdMem[6]=EXTRAM+0xc000;RdMem[7]=EXTRAM+0xe000; break;}
 553 #else
 554                 case 0xe0: RdMem[6]=RdMem[7]=EmptyRAM; break;
 555 #endif
 556                 case 0xf0: RdMem[6]=RdMem[7]=EmptyRAM; break;
 557                 };
 558                 break;
 559         case 0xF2: // write ram block set
 560                 if (static_cast<VM *>(vm)->sr_mode) return;     /* sr_mode do nothing! */
 561                 if (data & 0x40) {EnWrite[3]=1;WrMem[6]=RAM+0xc000;WrMem[7]=RAM+0xe000;}
 562                 else EnWrite[3]=0;
 563                 if (data & 0x010) {EnWrite[2]=1;WrMem[4]=RAM+0x8000;WrMem[5]=RAM+0xa000;}
 564                 else EnWrite[2]=0;
 565                 if (data & 0x04) {EnWrite[1]=1;WrMem[2]=RAM+0x4000;WrMem[3]=RAM+0x6000;}
 566                 else EnWrite[1]=0;
 567                 if (data & 0x01) {EnWrite[0]=1;WrMem[0]=RAM;WrMem[1]=RAM+0x2000;}
 568                 else EnWrite[0]=0;
 569 #if defined(_PC6601SR) || defined(_PC6001MK2SR)
 570                 if (EXTRAM) {
 571                         if (Value&0x80) {EnWrite[3]=2;WrMem[6]=EXTRAM+0xc000;WrMem[7]=EXTRAM+0xe000;}
 572                         if (Value&0x20) {EnWrite[2]=2;WrMem[4]=EXTRAM+0x8000;WrMem[5]=EXTRAM+0xa000;}
 573                         if (Value&0x08) {EnWrite[1]=2;WrMem[2]=EXTRAM+0x4000;WrMem[3]=EXTRAM+0x6000;}
 574                         if (Value&0x02) {EnWrite[0]=2;WrMem[0]=EXTRAM+0x0000;WrMem[1]=EXTRAM+0x2000;}
 575                 }
 576 #endif
 577                 break;
 578 #endif
 579         }
 580         return;
 581 }
 582
 583 #ifndef _PC6001
 584 uint32_t PC6001_MEMORY::read_io8(uint32_t addr)
 585 {
 586         uint16_t port=(addr & 0x00ff);
 587         uint8_t Value=0xff;
 588
 589         switch(port)
 590         {
 591 #if defined(_PC6601SR) || defined(_PC6001MK2SR)
 592         case 0x60:case 0x61:case 0x62:case 0x63:case 0x64:case 0x65:case 0x66:case 0x67:
 593         case 0x68:case 0x69:case 0x6a:case 0x6b:case 0x6c:case 0x6d:case 0x6e:case 0x6f:
 594                 Value=port60[ port-0x60 ];
 595                 break;
 596         case 0xC0: Value=0xff;break;
 597         case 0xC2: Value=0xff;break;
 598 #endif
 599         case 0xF0: if (!static_cast<VM *>(vm)->sr_mode) Value=portF0;break;
 600         case 0xF1: if (!static_cast<VM *>(vm)->sr_mode) Value=portF1;break;
 601         }
 602         return(Value);
 603 }
 604
 605 #define EVENT_HBLANK    1
 606
 607 void PC6001_MEMORY::event_vline(int v, int clock)
 608 {
 609 #if defined(_PC6601SR) || defined(_PC6001MK2SR)
 610         if(static_cast<VM *>(vm)->sr_mode) {
 611                 if(v == (CRTMode1 ? 200 : 192)) {
 612                         d_timer->write_signal(SIG_TIMER_IRQ_VRTC, 1, 1);
 613                 }
 614                 if(!CRTKILL) {
 615                         // SR\83\82\81[\83h\82ÌBUSRQ\82É\82Â\82¢\82Ä\82Í\81A\82¦\82Ñ\82·\97l\82Ì\8fî\95ñ\91Ò\82¿
 616                 }
 617         } else
 618 #endif
 619         {
 620                 if(!CRTKILL) {
 621                         if(v < (CRTMode1 ? 200 : 192)) {
 622                                 d_cpu->write_signal(SIG_CPU_BUSREQ, 1, 1);
 623                                 register_event_by_clock(this, EVENT_HBLANK, CPU_CLOCKS /  FRAMES_PER_SEC / LINES_PER_FRAME * 368 / 456, false, NULL);
 624                         }
 625                 }
 626         }
 627 }
 628
 629 void PC6001_MEMORY::event_callback(int event_id, int err)
 630 {
 631         if(event_id == EVENT_HBLANK) {
 632                 d_cpu->write_signal(SIG_CPU_BUSREQ, 0, 0);
 633         }
 634 }
 635 #endif
 636
 637 void PC6001_MEMORY::write_signal(int id, uint32_t data, uint32_t mask)
 638 {
 639         if(id == SIG_MEMORY_PIO_PORT_C) {
 640 #ifdef _PC6001
 641                 if(data & 4) {
 642                         CGSW93=0;RdMem[3]=EXTROM2;
 643                 } else {
 644                         CGSW93=1; RdMem[3]=CGROM1;
 645                 }
 646 #else
 647                 if(data & 4) {
 648                         CGSW93=0; if (!static_cast<VM *>(vm)->sr_mode) write_io8(0xf0, portF0);
 649                 } else {
 650                         CGSW93=1; RdMem[3]=CGROM;
 651                 }
 652                 CRTKILL = (data & 2) ? 0 : 1;
 653 #endif
 654         }
 655 }
 656
 657 void PC6001_MEMORY::open_cart(const _TCHAR* file_path)
 658 {
 659         FILEIO* fio = new FILEIO();
 660         if(fio->Fopen(file_path, FILEIO_READ_BINARY)) {
 661                 fio->Fread(EXTROM, 0x4000, 1);
 662                 fio->Fclose();
 663                 EXTROM1 = EXTROM;
 664                 EXTROM2 = EXTROM + 0x2000;
 665                 EnWrite[1]=0;
 666                 inserted = true;
 667         } else {
 668 ///             EXTROM1 = EXTROM2 = EmptyRAM;
 669                 EXTROM1 = RAM + 0x4000;
 670                 EXTROM2 = RAM + 0x6000;
 671                 EnWrite[1]=1;
 672                 inserted = false;
 673         }
 674         delete fio;
 675 }
 676
 677 void PC6001_MEMORY::close_cart()
 678 {
 679 ///     EXTROM1 = EXTROM2 = EmptyRAM;
 680         EXTROM1 = RAM + 0x4000;
 681         EXTROM2 = RAM + 0x6000;
 682         EnWrite[1]=1;
 683         inserted = false;
 684 }
 685
 686 #define STATE_VERSION   1
 687
 688 bool PC6001_MEMORY::process_state(FILEIO* state_fio, bool loading)
 689 {
 690         if(!state_fio->StateCheckUint32(STATE_VERSION)) {
 691                 return false;
 692         }
 693         if(!state_fio->StateCheckInt32(this_device_id)) {
 694                 return false;
 695         }
 696         state_fio->StateBuffer(RAM, RAM_SIZE, 1);
 697         if(loading) {
 698                 CGROM = MEMORY_BASE + state_fio->FgetInt32_LE();
 699                 EXTROM1 = MEMORY_BASE + state_fio->FgetInt32_LE();
 700                 EXTROM2 = MEMORY_BASE + state_fio->FgetInt32_LE();
 701                 for(int i = 0; i < 8; i++) {
 702                         RdMem[i] = MEMORY_BASE + state_fio->FgetInt32_LE();
 703                         WrMem[i] = MEMORY_BASE + state_fio->FgetInt32_LE();
 704                 }
 705                 VRAM = MEMORY_BASE + state_fio->FgetInt32_LE();
 706         } else {
 707                 state_fio->FputInt32_LE((int)(CGROM - MEMORY_BASE));
 708                 state_fio->FputInt32_LE((int)(EXTROM1 - MEMORY_BASE));
 709                 state_fio->FputInt32_LE((int)(EXTROM2 - MEMORY_BASE));
 710                 for(int i = 0; i < 8; i++) {
 711                         state_fio->FputInt32_LE((int)(RdMem[i] - MEMORY_BASE));
 712                         state_fio->FputInt32_LE((int)(WrMem[i] - MEMORY_BASE));
 713                 }
 714                 state_fio->FputInt32_LE((int)(VRAM - MEMORY_BASE));
 715         }
 716         state_fio->StateBuffer(EnWrite, sizeof(EnWrite), 1);
 717         state_fio->StateUint8(CGSW93);
 718         state_fio->StateBool(inserted);
 719 #ifndef _PC6001
 720         state_fio->StateUint8(CRTKILL);
 721         if(loading) {
 722                 CurKANJIROM = MEMORY_BASE + state_fio->FgetInt32_LE();
 723         } else {
 724                 state_fio->FputInt32_LE((int)(CurKANJIROM - MEMORY_BASE));
 725         }
 726         state_fio->StateUint8(CRTMode1);
 727         state_fio->StateUint8(CRTMode2);
 728         state_fio->StateUint8(CRTMode3);
 729         state_fio->StateUint8(CSS1);
 730         state_fio->StateUint8(CSS2);
 731         state_fio->StateUint8(CSS3);
 732         state_fio->StateUint8(portF0);
 733         state_fio->StateUint8(portF1);
 734 #if defined(_PC6601SR) || defined(_PC6001MK2SR)
 735         state_fio->StateInt32(bitmap);
 736         state_fio->StateInt32(cols);
 737         state_fio->StateInt32(rows);
 738         state_fio->StateInt32(lines);
 739         if(loading) {
 740                 TEXTVRAM = MEMORY_BASE + state_fio->FgetInt32_LE();
 741                 SYSROM2 = MEMORY_BASE + state_fio->FgetInt32_LE();
 742         } else {
 743                 state_fio->FputInt32_LE((int)(TEXTVRAM - MEMORY_BASE));
 744                 state_fio->FputInt32_LE((int)(SYSROM2 - MEMORY_BASE));
 745         }
 746         state_fio->StateBuffer(EXTRAM, EXTRAM_SIZE, 1);
 747         state_fio->StateBuffer(port60, sizeof(port60), 1);
 748         state_fio->StateUint8(portC1);
 749         state_fio->StateUint8(portC8);
 750         state_fio->StateUint8(portCA);
 751         state_fio->StateUint8(portCB);
 752         state_fio->StateUint8(portCC);
 753         state_fio->StateUint8(portCE);
 754         state_fio->StateUint8(portCF);
 755         state_fio->StateBuffer(palet, sizeof(palet), 1);
 756 #endif
 757 #endif
 758         return true;
 759 }