| version 1.7, 2003/12/01 10:45:46 | version 1.11, 2003/12/08 17:57:29 | 
| Line 1 | Line 1 | 
 | #include        "compiler.h" | #include        "compiler.h" | 
| #include        "i286.h" | #include        "cpucore.h" | 
 | #include        "memory.h" | #include        "memory.h" | 
 | #include        "egcmem.h" | #include        "egcmem.h" | 
 | #include        "pccore.h" | #include        "pccore.h" | 
| Line 9 | Line 9 | 
 |  |  | 
 |  |  | 
 | #define USE_HIMEM | #define USE_HIMEM | 
| // #define      MEMORY_DEBUG | #if defined(TRACE) | 
|  | #define MEMORY_DEBUG | 
|  | #endif | 
 |  |  | 
 | // ---- write byte | // ---- write byte | 
 |  |  | 
 | static void MEMCALL i286_wt(UINT32 address, REG8 value) { | static void MEMCALL i286_wt(UINT32 address, REG8 value) { | 
 |  |  | 
| mem[address & i286core.s.adrsmask] = (BYTE)value; | mem[address & CPU_ADRSMASK] = (BYTE)value; | 
 | } | } | 
 |  |  | 
 | static void MEMCALL tram_wt(UINT32 address, REG8 value) { | static void MEMCALL tram_wt(UINT32 address, REG8 value) { | 
 |  |  | 
| I286_REMCLOCK -= vramop.tramwait; | CPU_REMCLOCK -= vramop.tramwait; | 
 | if (address < 0xa2000) { | if (address < 0xa2000) { | 
 | mem[address] = (BYTE)value; | mem[address] = (BYTE)value; | 
 | tramupdate[LOW12(address >> 1)] = 1; | tramupdate[LOW12(address >> 1)] = 1; | 
| Line 52  static void MEMCALL tram_wt(UINT32 addre | Line 54  static void MEMCALL tram_wt(UINT32 addre | 
 |  |  | 
 | static void MEMCALL vram_w0(UINT32 address, REG8 value) { | static void MEMCALL vram_w0(UINT32 address, REG8 value) { | 
 |  |  | 
| I286_REMCLOCK -= vramop.vramwait; | CPU_REMCLOCK -= vramop.vramwait; | 
 | mem[address] = (BYTE)value; | mem[address] = (BYTE)value; | 
 | vramupdate[LOW15(address)] |= 1; | vramupdate[LOW15(address)] |= 1; | 
 | gdcs.grphdisp |= 1; | gdcs.grphdisp |= 1; | 
| Line 60  static void MEMCALL vram_w0(UINT32 addre | Line 62  static void MEMCALL vram_w0(UINT32 addre | 
 |  |  | 
 | static void MEMCALL vram_w1(UINT32 address, REG8 value) { | static void MEMCALL vram_w1(UINT32 address, REG8 value) { | 
 |  |  | 
| I286_REMCLOCK -= vramop.vramwait; | CPU_REMCLOCK -= vramop.vramwait; | 
 | mem[address + VRAM_STEP] = (BYTE)value; | mem[address + VRAM_STEP] = (BYTE)value; | 
 | vramupdate[LOW15(address)] |= 2; | vramupdate[LOW15(address)] |= 2; | 
 | gdcs.grphdisp |= 2; | gdcs.grphdisp |= 2; | 
| Line 71  static void MEMCALL grcg_rmw0(UINT32 add | Line 73  static void MEMCALL grcg_rmw0(UINT32 add | 
 | REG8    mask; | REG8    mask; | 
 | BYTE    *vram; | BYTE    *vram; | 
 |  |  | 
| I286_REMCLOCK -= vramop.grcgwait; | CPU_REMCLOCK -= vramop.grcgwait; | 
 | mask = ~value; | mask = ~value; | 
 | address = LOW15(address); | address = LOW15(address); | 
 | vramupdate[address] |= 1; | vramupdate[address] |= 1; | 
| Line 100  static void MEMCALL grcg_rmw1(UINT32 add | Line 102  static void MEMCALL grcg_rmw1(UINT32 add | 
 | REG8    mask; | REG8    mask; | 
 | BYTE    *vram; | BYTE    *vram; | 
 |  |  | 
| I286_REMCLOCK -= vramop.grcgwait; | CPU_REMCLOCK -= vramop.grcgwait; | 
 | mask = ~value; | mask = ~value; | 
 | address = LOW15(address); | address = LOW15(address); | 
 | vramupdate[address] |= 2; | vramupdate[address] |= 2; | 
| Line 128  static void MEMCALL grcg_tdw0(UINT32 add | Line 130  static void MEMCALL grcg_tdw0(UINT32 add | 
 |  |  | 
 | BYTE    *vram; | BYTE    *vram; | 
 |  |  | 
| I286_REMCLOCK -= vramop.grcgwait; | CPU_REMCLOCK -= vramop.grcgwait; | 
 | address = LOW15(address); | address = LOW15(address); | 
 | vramupdate[address] |= 1; | vramupdate[address] |= 1; | 
 | gdcs.grphdisp |= 1; | gdcs.grphdisp |= 1; | 
| Line 152  static void MEMCALL grcg_tdw1(UINT32 add | Line 154  static void MEMCALL grcg_tdw1(UINT32 add | 
 |  |  | 
 | BYTE    *vram; | BYTE    *vram; | 
 |  |  | 
| I286_REMCLOCK -= vramop.grcgwait; | CPU_REMCLOCK -= vramop.grcgwait; | 
 | address = LOW15(address); | address = LOW15(address); | 
 | vramupdate[address] |= 2; | vramupdate[address] |= 2; | 
 | gdcs.grphdisp |= 2; | gdcs.grphdisp |= 2; | 
| Line 193  static void MEMCALL i286_wn(UINT32 addre | Line 195  static void MEMCALL i286_wn(UINT32 addre | 
 |  |  | 
 | static REG8 MEMCALL i286_rd(UINT32 address) { | static REG8 MEMCALL i286_rd(UINT32 address) { | 
 |  |  | 
| return(mem[address & i286core.s.adrsmask]); | return(mem[address & CPU_ADRSMASK]); | 
 | } | } | 
 |  |  | 
 | static REG8 MEMCALL tram_rd(UINT32 address) { | static REG8 MEMCALL tram_rd(UINT32 address) { | 
 |  |  | 
| I286_REMCLOCK -= vramop.tramwait; | CPU_REMCLOCK -= vramop.tramwait; | 
 | if (address < 0xa4000) { | if (address < 0xa4000) { | 
 | return(mem[address]); | return(mem[address]); | 
 | } | } | 
| Line 215  static REG8 MEMCALL tram_rd(UINT32 addre | Line 217  static REG8 MEMCALL tram_rd(UINT32 addre | 
 |  |  | 
 | static REG8 MEMCALL vram_r0(UINT32 address) { | static REG8 MEMCALL vram_r0(UINT32 address) { | 
 |  |  | 
| I286_REMCLOCK -= vramop.vramwait; | CPU_REMCLOCK -= vramop.vramwait; | 
 | return(mem[address]); | return(mem[address]); | 
 | } | } | 
 |  |  | 
 | static REG8 MEMCALL vram_r1(UINT32 address) { | static REG8 MEMCALL vram_r1(UINT32 address) { | 
 |  |  | 
| I286_REMCLOCK -= vramop.vramwait; | CPU_REMCLOCK -= vramop.vramwait; | 
 | return(mem[address + VRAM_STEP]); | return(mem[address + VRAM_STEP]); | 
 | } | } | 
 |  |  | 
| Line 230  static REG8 MEMCALL grcg_tcr0(UINT32 add | Line 232  static REG8 MEMCALL grcg_tcr0(UINT32 add | 
 | const BYTE      *vram; | const BYTE      *vram; | 
 | REG8    ret; | REG8    ret; | 
 |  |  | 
| I286_REMCLOCK -= vramop.grcgwait; | CPU_REMCLOCK -= vramop.grcgwait; | 
 | vram = mem + LOW15(address); | vram = mem + LOW15(address); | 
 | ret = 0; | ret = 0; | 
 | if (!(grcg.modereg & 1)) { | if (!(grcg.modereg & 1)) { | 
| Line 253  static REG8 MEMCALL grcg_tcr1(UINT32 add | Line 255  static REG8 MEMCALL grcg_tcr1(UINT32 add | 
 | const BYTE      *vram; | const BYTE      *vram; | 
 | REG8    ret; | REG8    ret; | 
 |  |  | 
| I286_REMCLOCK -= vramop.grcgwait; | CPU_REMCLOCK -= vramop.grcgwait; | 
 | ret = 0; | ret = 0; | 
 | vram = mem + LOW15(address); | vram = mem + LOW15(address); | 
 | if (!(grcg.modereg & 1)) { | if (!(grcg.modereg & 1)) { | 
| Line 283  static REG8 MEMCALL emmc_rd(UINT32 addre | Line 285  static REG8 MEMCALL emmc_rd(UINT32 addre | 
 |  |  | 
 | static REG8 MEMCALL i286_itf(UINT32 address) { | static REG8 MEMCALL i286_itf(UINT32 address) { | 
 |  |  | 
| if (i286core.s.itfbank) { | if (CPU_ITFBANK) { | 
 | address = ITF_ADRS + LOW15(address); | address = ITF_ADRS + LOW15(address); | 
 | } | } | 
 | return(mem[address]); | return(mem[address]); | 
| Line 296  static void MEMCALL i286w_wt(UINT32 addr | Line 298  static void MEMCALL i286w_wt(UINT32 addr | 
 |  |  | 
 | BYTE    *ptr; | BYTE    *ptr; | 
 |  |  | 
| ptr = mem + (address & i286core.s.adrsmask); | ptr = mem + (address & CPU_ADRSMASK); | 
 | STOREINTELWORD(ptr, value); | STOREINTELWORD(ptr, value); | 
 | } | } | 
 |  |  | 
| Line 347  static void MEMCALL tramw_wt(UINT32 addr | Line 349  static void MEMCALL tramw_wt(UINT32 addr | 
 |  |  | 
 |  |  | 
 | #define GRCGW_NON(page) {                                                                                       \ | #define GRCGW_NON(page) {                                                                                       \ | 
| I286_REMCLOCK -= vramop.vramwait;                                                               \ | CPU_REMCLOCK -= vramop.vramwait;                                                                \ | 
 | STOREINTELWORD(mem + address + VRAM_STEP*(page), value);                \ | STOREINTELWORD(mem + address + VRAM_STEP*(page), value);                \ | 
 | vramupdate[LOW15(address)] |= (1 << page);                                              \ | vramupdate[LOW15(address)] |= (1 << page);                                              \ | 
 | vramupdate[LOW15(address + 1)] |= (1 << page);                                  \ | vramupdate[LOW15(address + 1)] |= (1 << page);                                  \ | 
| Line 356  static void MEMCALL tramw_wt(UINT32 addr | Line 358  static void MEMCALL tramw_wt(UINT32 addr | 
 |  |  | 
 | #define GRCGW_RMW(page) {                                                                                       \ | #define GRCGW_RMW(page) {                                                                                       \ | 
 | BYTE    *vram;                                                                                                  \ | BYTE    *vram;                                                                                                  \ | 
| I286_REMCLOCK -= vramop.grcgwait;                                                               \ | CPU_REMCLOCK -= vramop.grcgwait;                                                                \ | 
 | address = LOW15(address);                                                                               \ | address = LOW15(address);                                                                               \ | 
 | vramupdate[address] |= (1 << page);                                                             \ | vramupdate[address] |= (1 << page);                                                             \ | 
 | vramupdate[address + 1] |= (1 << page);                                                 \ | vramupdate[address + 1] |= (1 << page);                                                 \ | 
| Line 402  static void MEMCALL tramw_wt(UINT32 addr | Line 404  static void MEMCALL tramw_wt(UINT32 addr | 
 |  |  | 
 | #define GRCGW_TDW(page) {                                                                                       \ | #define GRCGW_TDW(page) {                                                                                       \ | 
 | BYTE    *vram;                                                                                                  \ | BYTE    *vram;                                                                                                  \ | 
| I286_REMCLOCK -= vramop.grcgwait;                                                               \ | CPU_REMCLOCK -= vramop.grcgwait;                                                                \ | 
 | address = LOW15(address);                                                                               \ | address = LOW15(address);                                                                               \ | 
 | vramupdate[address] |= (1 << page);                                                             \ | vramupdate[address] |= (1 << page);                                                             \ | 
 | vramupdate[address + 1] |= (1 << page);                                                 \ | vramupdate[address + 1] |= (1 << page);                                                 \ | 
| Line 478  static REG16 MEMCALL i286w_rd(UINT32 add | Line 480  static REG16 MEMCALL i286w_rd(UINT32 add | 
 |  |  | 
 | BYTE    *ptr; | BYTE    *ptr; | 
 |  |  | 
| ptr = mem + (address & i286core.s.adrsmask); | ptr = mem + (address & CPU_ADRSMASK); | 
 | return(LOADINTELWORD(ptr)); | return(LOADINTELWORD(ptr)); | 
 | } | } | 
 |  |  | 
 | static REG16 MEMCALL tramw_rd(UINT32 address) { | static REG16 MEMCALL tramw_rd(UINT32 address) { | 
 |  |  | 
| I286_REMCLOCK -= vramop.tramwait; | CPU_REMCLOCK -= vramop.tramwait; | 
 | if (address < (0xa4000 - 1)) { | if (address < (0xa4000 - 1)) { | 
 | return(LOADINTELWORD(mem + address)); | return(LOADINTELWORD(mem + address)); | 
 | } | } | 
| Line 513  static REG16 MEMCALL tramw_rd(UINT32 add | Line 515  static REG16 MEMCALL tramw_rd(UINT32 add | 
 |  |  | 
 | static REG16 MEMCALL vramw_r0(UINT32 address) { | static REG16 MEMCALL vramw_r0(UINT32 address) { | 
 |  |  | 
| I286_REMCLOCK -= vramop.vramwait; | CPU_REMCLOCK -= vramop.vramwait; | 
 | return(LOADINTELWORD(mem + address)); | return(LOADINTELWORD(mem + address)); | 
 | } | } | 
 |  |  | 
 | static REG16 MEMCALL vramw_r1(UINT32 address) { | static REG16 MEMCALL vramw_r1(UINT32 address) { | 
 |  |  | 
| I286_REMCLOCK -= vramop.vramwait; | CPU_REMCLOCK -= vramop.vramwait; | 
 | return(LOADINTELWORD(mem + address + VRAM_STEP)); | return(LOADINTELWORD(mem + address + VRAM_STEP)); | 
 | } | } | 
 |  |  | 
| Line 528  static REG16 MEMCALL grcgw_tcr0(UINT32 a | Line 530  static REG16 MEMCALL grcgw_tcr0(UINT32 a | 
 | BYTE    *vram; | BYTE    *vram; | 
 | REG16   ret; | REG16   ret; | 
 |  |  | 
| I286_REMCLOCK -= vramop.grcgwait; | CPU_REMCLOCK -= vramop.grcgwait; | 
 | ret = 0; | ret = 0; | 
 | vram = mem + LOW15(address); | vram = mem + LOW15(address); | 
 | if (!(grcg.modereg & 1)) { | if (!(grcg.modereg & 1)) { | 
| Line 551  static REG16 MEMCALL grcgw_tcr1(UINT32 a | Line 553  static REG16 MEMCALL grcgw_tcr1(UINT32 a | 
 | BYTE    *vram; | BYTE    *vram; | 
 | REG16   ret; | REG16   ret; | 
 |  |  | 
| I286_REMCLOCK -= vramop.grcgwait; | CPU_REMCLOCK -= vramop.grcgwait; | 
 | ret = 0; | ret = 0; | 
 | vram = mem + LOW15(address); | vram = mem + LOW15(address); | 
 | if (!(grcg.modereg & 1)) { | if (!(grcg.modereg & 1)) { | 
| Line 592  static REG16 MEMCALL egcw_rd(UINT32 addr | Line 594  static REG16 MEMCALL egcw_rd(UINT32 addr | 
 |  |  | 
 | static REG16 MEMCALL emmcw_rd(UINT32 address) { | static REG16 MEMCALL emmcw_rd(UINT32 address) { | 
 |  |  | 
| BYTE    *ptr; | const BYTE      *ptr; | 
|  | REG16   ret; | 
 |  |  | 
| ptr = extmem.pageptr[(address >> 14) & 3] + LOW14(address); | if ((address & 0x3fff) != 0x3fff) { | 
| return(LOADINTELWORD(ptr)); | ptr = extmem.pageptr[(address >> 14) & 3] + LOW14(address); | 
|  | return(LOADINTELWORD(ptr)); | 
|  | } | 
|  | else { | 
|  | ret = extmem.pageptr[(address >> 14) & 3][0x3fff]; | 
|  | ret += extmem.pageptr[((address + 1) >> 14) & 3][0] << 8; | 
|  | return(ret); | 
|  | } | 
 | } | } | 
 |  |  | 
 | static REG16 MEMCALL i286w_itf(UINT32 address) { | static REG16 MEMCALL i286w_itf(UINT32 address) { | 
 |  |  | 
| if (i286core.s.itfbank) { | if (CPU_ITFBANK) { | 
 | address = ITF_ADRS + LOW15(address); | address = ITF_ADRS + LOW15(address); | 
 | } | } | 
 | return(LOADINTELWORD(mem + address)); | return(LOADINTELWORD(mem + address)); | 
| Line 614  typedef REG8 (MEMCALL * MEM8READ)(UINT32 | Line 624  typedef REG8 (MEMCALL * MEM8READ)(UINT32 | 
 | typedef void (MEMCALL * MEM16WRITE)(UINT32 address, REG16 value); | typedef void (MEMCALL * MEM16WRITE)(UINT32 address, REG16 value); | 
 | typedef REG16 (MEMCALL * MEM16READ)(UINT32 address); | typedef REG16 (MEMCALL * MEM16READ)(UINT32 address); | 
 |  |  | 
| static MEM8WRITE memory_write[] = { | typedef struct { | 
| i286_wt,        i286_wt,        i286_wt,        i286_wt,                // 00 | MEM8READ        rd8[0x20]; | 
| i286_wt,        i286_wt,        i286_wt,        i286_wt,                // 20 | MEM8WRITE       wr8[0x20]; | 
| i286_wt,        i286_wt,        i286_wt,        i286_wt,                // 40 | MEM16READ       rd16[0x20]; | 
| i286_wt,        i286_wt,        i286_wt,        i286_wt,                // 60 | MEM16WRITE      wr16[0x20]; | 
| i286_wt,        i286_wt,        i286_wt,        i286_wt,                // 80 | } MEMFN; | 
| tram_wt,        vram_w0,        vram_w0,        vram_w0,                // a0 |  | 
| emmc_wt,        emmc_wt,        i286_wn,        i286_wn,                // c0 | typedef struct { | 
| vram_w0,        i286_wn,        i286_wn,        i286_wn};               // e0 | MEM8READ        rd8; | 
|  | MEM8WRITE       wr8; | 
|  | MEM16READ       rd16; | 
|  | MEM16WRITE      wr16; | 
|  | } VACCTBL; | 
 |  |  | 
| static MEM8READ memory_read[] = { | static MEMFN memfn = { | 
| i286_rd,        i286_rd,        i286_rd,        i286_rd,                // 00 | {i286_rd,    i286_rd,        i286_rd,        i286_rd,                // 00 | 
 | i286_rd,        i286_rd,        i286_rd,        i286_rd,                // 20 | i286_rd,        i286_rd,        i286_rd,        i286_rd,                // 20 | 
 | i286_rd,        i286_rd,        i286_rd,        i286_rd,                // 40 | i286_rd,        i286_rd,        i286_rd,        i286_rd,                // 40 | 
 | i286_rd,        i286_rd,        i286_rd,        i286_rd,                // 60 | i286_rd,        i286_rd,        i286_rd,        i286_rd,                // 60 | 
 | i286_rd,        i286_rd,        i286_rd,        i286_rd,                // 80 | i286_rd,        i286_rd,        i286_rd,        i286_rd,                // 80 | 
 | tram_rd,        vram_r0,        vram_r0,        vram_r0,                // a0 | tram_rd,        vram_r0,        vram_r0,        vram_r0,                // a0 | 
 | emmc_rd,        emmc_rd,        i286_rd,        i286_rd,                // c0 | emmc_rd,        emmc_rd,        i286_rd,        i286_rd,                // c0 | 
| vram_r0,        i286_rd,        i286_rd,        i286_itf};              // f0 | vram_r0,        i286_rd,        i286_rd,        i286_itf},              // f0 | 
 |  |  | 
| static MEM16WRITE memword_write[] = { | {i286_wt,    i286_wt,        i286_wt,        i286_wt,                // 00 | 
| i286w_wt,       i286w_wt,       i286w_wt,       i286w_wt,               // 00 | i286_wt,        i286_wt,        i286_wt,        i286_wt,                // 20 | 
| i286w_wt,       i286w_wt,       i286w_wt,       i286w_wt,               // 20 | i286_wt,        i286_wt,        i286_wt,        i286_wt,                // 40 | 
| i286w_wt,       i286w_wt,       i286w_wt,       i286w_wt,               // 40 | i286_wt,        i286_wt,        i286_wt,        i286_wt,                // 60 | 
| i286w_wt,       i286w_wt,       i286w_wt,       i286w_wt,               // 60 | i286_wt,        i286_wt,        i286_wt,        i286_wt,                // 80 | 
| i286w_wt,       i286w_wt,       i286w_wt,       i286w_wt,               // 80 | tram_wt,        vram_w0,        vram_w0,        vram_w0,                // a0 | 
| tramw_wt,       vramw_w0,       vramw_w0,       vramw_w0,               // a0 | emmc_wt,        emmc_wt,        i286_wn,        i286_wn,                // c0 | 
| emmcw_wt,       emmcw_wt,       i286w_wn,       i286w_wn,               // c0 | vram_w0,        i286_wn,        i286_wn,        i286_wn},               // e0 | 
| vramw_w0,       i286w_wn,       i286w_wn,       i286w_wn};              // e0 |  | 
 |  |  | 
| static MEM16READ memword_read[] = { | {i286w_rd,   i286w_rd,       i286w_rd,       i286w_rd,               // 00 | 
| i286w_rd,       i286w_rd,       i286w_rd,       i286w_rd,               // 00 |  | 
 | i286w_rd,       i286w_rd,       i286w_rd,       i286w_rd,               // 20 | i286w_rd,       i286w_rd,       i286w_rd,       i286w_rd,               // 20 | 
 | i286w_rd,       i286w_rd,       i286w_rd,       i286w_rd,               // 40 | i286w_rd,       i286w_rd,       i286w_rd,       i286w_rd,               // 40 | 
 | i286w_rd,       i286w_rd,       i286w_rd,       i286w_rd,               // 60 | i286w_rd,       i286w_rd,       i286w_rd,       i286w_rd,               // 60 | 
 | i286w_rd,       i286w_rd,       i286w_rd,       i286w_rd,               // 80 | i286w_rd,       i286w_rd,       i286w_rd,       i286w_rd,               // 80 | 
 | tramw_rd,       vramw_r0,       vramw_r0,       vramw_r0,               // a0 | tramw_rd,       vramw_r0,       vramw_r0,       vramw_r0,               // a0 | 
 | emmcw_rd,       emmcw_rd,       i286w_rd,       i286w_rd,               // c0 | emmcw_rd,       emmcw_rd,       i286w_rd,       i286w_rd,               // c0 | 
| vramw_r0,       i286w_rd,       i286w_rd,       i286w_itf};             // e0 | vramw_r0,       i286w_rd,       i286w_rd,       i286w_itf},             // e0 | 
 |  |  | 
| static const MEM8WRITE vram_write[] = { | {i286w_wt,   i286w_wt,       i286w_wt,       i286w_wt,               // 00 | 
| vram_w0,        vram_w1,        vram_w0,        vram_w1,                // 00 | i286w_wt,       i286w_wt,       i286w_wt,       i286w_wt,               // 20 | 
| vram_w0,        vram_w1,        vram_w0,        vram_w1,                // 40 | i286w_wt,       i286w_wt,       i286w_wt,       i286w_wt,               // 40 | 
| grcg_tdw0,      grcg_tdw1,      egc_wt,         egc_wt,                 // 80 tdw/tcr | i286w_wt,       i286w_wt,       i286w_wt,       i286w_wt,               // 60 | 
| grcg_rmw0,      grcg_rmw1,      egc_wt,         egc_wt};                // c0 rmw | i286w_wt,       i286w_wt,       i286w_wt,       i286w_wt,               // 80 | 
|  | tramw_wt,       vramw_w0,       vramw_w0,       vramw_w0,               // a0 | 
| static const MEM8READ vram_read[] = { | emmcw_wt,       emmcw_wt,       i286w_wn,       i286w_wn,               // c0 | 
| vram_r0,        vram_r1,        vram_r0,        vram_r1,                // 00 | vramw_w0,       i286w_wn,       i286w_wn,       i286w_wn}};             // e0 | 
| vram_r0,        vram_r1,        vram_r0,        vram_r1,                // 40 |  | 
| grcg_tcr0,      grcg_tcr1,      egc_rd,         egc_rd,                 // 80 tdw/tcr | static const VACCTBL vacctbl[0x10] = { | 
| vram_r0,        vram_r1,        egc_rd,         egc_rd};                // c0 rmw | {vram_r0,       vram_w0,        vramw_r0,       vramw_w0},              // 00 | 
|  | {vram_r1,       vram_w1,        vramw_r1,       vramw_w1}, | 
| static const MEM16WRITE vramw_write[] = { | {vram_r0,       vram_w0,        vramw_r0,       vramw_w0}, | 
| vramw_w0,       vramw_w1,       vramw_w0,       vramw_w1,               // 00 | {vram_r1,       vram_w1,        vramw_r1,       vramw_w1}, | 
| vramw_w0,       vramw_w1,       vramw_w0,       vramw_w1,               // 40 | {vram_r0,       vram_w0,        vramw_r0,       vramw_w0},              // 40 | 
| grcgw_tdw0,     grcgw_tdw1,     egcw_wt,        egcw_wt,                // 80 tdw/tcr | {vram_r1,       vram_w1,        vramw_r1,       vramw_w1}, | 
| grcgw_rmw0,     grcgw_rmw1,     egcw_wt,        egcw_wt};               // c0 rmw | {vram_r0,       vram_w0,        vramw_r0,       vramw_w0}, | 
|  | {vram_r1,       vram_w1,        vramw_r1,       vramw_w1}, | 
| static const MEM16READ vramw_read[] = { | {grcg_tcr0,     grcg_tdw0,      grcgw_tcr0,     grcgw_tdw0},    // 80 tdw/tcr | 
| vramw_r0,       vramw_r1,       vramw_r0,       vramw_r1,               // 00 | {grcg_tcr1,     grcg_tdw1,      grcgw_tcr1,     grcgw_tdw1}, | 
| vramw_r0,       vramw_r1,       vramw_r0,       vramw_r1,               // 40 | {egc_rd,        egc_wt,         egcw_rd,        egcw_wt}, | 
| grcgw_tcr0,     grcgw_tcr1,     egcw_rd,        egcw_rd,                // 80 tdw/tcr | {egc_rd,        egc_wt,         egcw_rd,        egcw_wt}, | 
| vramw_r0,       vramw_r1,       egcw_rd,        egcw_rd};               // c0 rmw | {vram_r0,       grcg_rmw0,      vramw_r0,       grcgw_rmw0},    // c0 rmw | 
|  | {vram_r1,       grcg_rmw1,      vramw_r1,       grcgw_rmw1}, | 
|  | {egc_rd,        egc_wt,         egcw_rd,        egcw_wt}, | 
|  | {egc_rd,        egc_wt,         egcw_rd,        egcw_wt}}; | 
 |  |  | 
 |  |  | 
 | static REG8 MEMCALL i286_nonram_r(UINT32 address) { | static REG8 MEMCALL i286_nonram_r(UINT32 address) { | 
| Line 693  static REG16 MEMCALL i286_nonram_rw(UINT | Line 708  static REG16 MEMCALL i286_nonram_rw(UINT | 
 |  |  | 
 | void MEMCALL i286_vram_dispatch(UINT func) { | void MEMCALL i286_vram_dispatch(UINT func) { | 
 |  |  | 
| UINT    proc; | const VACCTBL   *vacc; | 
|  |  | 
|  | vacc = vacctbl + (func & 0x0f); | 
 |  |  | 
| proc = func & 0x0f; | memfn.rd8[0xa8000 >> 15] = vacc->rd8; | 
| memory_write[0xa8000 >> 15] = vram_write[proc]; | memfn.rd8[0xb0000 >> 15] = vacc->rd8; | 
| memory_write[0xb0000 >> 15] = vram_write[proc]; | memfn.rd8[0xb8000 >> 15] = vacc->rd8; | 
| memory_write[0xb8000 >> 15] = vram_write[proc]; | memfn.rd8[0xe0000 >> 15] = vacc->rd8; | 
| memory_write[0xe0000 >> 15] = vram_write[proc]; |  | 
|  | memfn.wr8[0xa8000 >> 15] = vacc->wr8; | 
| memory_read[0xa8000 >> 15] = vram_read[proc]; | memfn.wr8[0xb0000 >> 15] = vacc->wr8; | 
| memory_read[0xb0000 >> 15] = vram_read[proc]; | memfn.wr8[0xb8000 >> 15] = vacc->wr8; | 
| memory_read[0xb8000 >> 15] = vram_read[proc]; | memfn.wr8[0xe0000 >> 15] = vacc->wr8; | 
| memory_read[0xe0000 >> 15] = vram_read[proc]; |  | 
|  | memfn.rd16[0xa8000 >> 15] = vacc->rd16; | 
| memword_write[0xa8000 >> 15] = vramw_write[proc]; | memfn.rd16[0xb0000 >> 15] = vacc->rd16; | 
| memword_write[0xb0000 >> 15] = vramw_write[proc]; | memfn.rd16[0xb8000 >> 15] = vacc->rd16; | 
| memword_write[0xb8000 >> 15] = vramw_write[proc]; | memfn.rd16[0xe0000 >> 15] = vacc->rd16; | 
| memword_write[0xe0000 >> 15] = vramw_write[proc]; |  | 
|  | memfn.wr16[0xa8000 >> 15] = vacc->wr16; | 
| memword_read[0xa8000 >> 15] = vramw_read[proc]; | memfn.wr16[0xb0000 >> 15] = vacc->wr16; | 
| memword_read[0xb0000 >> 15] = vramw_read[proc]; | memfn.wr16[0xb8000 >> 15] = vacc->wr16; | 
| memword_read[0xb8000 >> 15] = vramw_read[proc]; | memfn.wr16[0xe0000 >> 15] = vacc->wr16; | 
| memword_read[0xe0000 >> 15] = vramw_read[proc]; |  | 
 |  |  | 
 | if (!(func & 0x10)) {                                                   // degital | if (!(func & 0x10)) {                                                   // degital | 
| memory_write[0xe0000 >> 15] = i286_wn; | memfn.wr8[0xe0000 >> 15] = i286_wn; | 
| memword_write[0xe0000 >> 15] = i286w_wn; | memfn.wr16[0xe0000 >> 15] = i286w_wn; | 
| memory_read[0xe0000 >> 15] = i286_nonram_r; | memfn.rd8[0xe0000 >> 15] = i286_nonram_r; | 
| memword_read[0xe0000 >> 15] = i286_nonram_rw; | memfn.rd16[0xe0000 >> 15] = i286_nonram_rw; | 
 | } | } | 
 | } | } | 
 |  |  | 
| Line 733  static REG8 MEMCALL _i286_memoryread(UIN | Line 749  static REG8 MEMCALL _i286_memoryread(UIN | 
 | #if defined(USE_HIMEM) | #if defined(USE_HIMEM) | 
 | else if (address >= 0x10fff0) { | else if (address >= 0x10fff0) { | 
 | address -= 0x100000; | address -= 0x100000; | 
| if (address < extmemmng_size) { | if (address < CPU_EXTMEMSIZE) { | 
| return(extmemmng_ptr[address]); | return(CPU_EXTMEM[address]); | 
 | } | } | 
 | else { | else { | 
 | return(0xff); | return(0xff); | 
| Line 742  static REG8 MEMCALL _i286_memoryread(UIN | Line 758  static REG8 MEMCALL _i286_memoryread(UIN | 
 | } | } | 
 | #endif | #endif | 
 | else { | else { | 
| return(memory_read[(address >> 15) & 0x1f](address)); | return(memfn.rd8[(address >> 15) & 0x1f](address)); | 
 | } | } | 
 | } | } | 
 |  |  | 
| Line 759  static REG16 MEMCALL _i286_memoryread_w( | Line 775  static REG16 MEMCALL _i286_memoryread_w( | 
 | if (address == (0x00fff0 - 1)) { | if (address == (0x00fff0 - 1)) { | 
 | ret = mem[0x100000 + address]; | ret = mem[0x100000 + address]; | 
 | } | } | 
| else if (address < extmemmng_size) { | else if (address < CPU_EXTMEMSIZE) { | 
| ret = extmemmng_ptr[address]; | ret = CPU_EXTMEM[address]; | 
 | } | } | 
 | else { | else { | 
 | ret = 0xff; | ret = 0xff; | 
 | } | } | 
 | address++; | address++; | 
| if (address < extmemmng_size) { | if (address < CPU_EXTMEMSIZE) { | 
| ret += extmemmng_ptr[address] << 8; | ret += CPU_EXTMEM[address] << 8; | 
 | } | } | 
 | else { | else { | 
 | ret += 0xff00; | ret += 0xff00; | 
| Line 776  static REG16 MEMCALL _i286_memoryread_w( | Line 792  static REG16 MEMCALL _i286_memoryread_w( | 
 | } | } | 
 | #endif | #endif | 
 | else if ((address & 0x7fff) != 0x7fff) { | else if ((address & 0x7fff) != 0x7fff) { | 
| return(memword_read[(address >> 15) & 0x1f](address)); | return(memfn.rd16[(address >> 15) & 0x1f](address)); | 
 | } | } | 
 | else { | else { | 
| ret = memory_read[(address >> 15) & 0x1f](address); | ret = memfn.rd8[(address >> 15) & 0x1f](address); | 
 | address++; | address++; | 
| ret += memory_read[(address >> 15) & 0x1f](address) << 8; | ret += memfn.rd8[(address >> 15) & 0x1f](address) << 8; | 
 | return(ret); | return(ret); | 
 | } | } | 
 | } | } | 
| Line 816  REG8 MEMCALL i286_memoryread(UINT32 addr | Line 832  REG8 MEMCALL i286_memoryread(UINT32 addr | 
 | #if defined(USE_HIMEM) | #if defined(USE_HIMEM) | 
 | else if (address >= 0x10fff0) { | else if (address >= 0x10fff0) { | 
 | address -= 0x100000; | address -= 0x100000; | 
| if (address < extmemmng_size) { | if (address < CPU_EXTMEMSIZE) { | 
| return(extmemmng_ptr[address]); | return(CPU_EXTMEM[address]); | 
 | } | } | 
 | else { | else { | 
 | return(0xff); | return(0xff); | 
| Line 825  REG8 MEMCALL i286_memoryread(UINT32 addr | Line 841  REG8 MEMCALL i286_memoryread(UINT32 addr | 
 | } | } | 
 | #endif | #endif | 
 | else { | else { | 
| return(memory_read[(address >> 15) & 0x1f](address)); | return(memfn.rd8[(address >> 15) & 0x1f](address)); | 
 | } | } | 
 | } | } | 
 |  |  | 
| Line 842  REG16 MEMCALL i286_memoryread_w(UINT32 a | Line 858  REG16 MEMCALL i286_memoryread_w(UINT32 a | 
 | if (address == (0x00fff0 - 1)) { | if (address == (0x00fff0 - 1)) { | 
 | ret = mem[0x100000 + address]; | ret = mem[0x100000 + address]; | 
 | } | } | 
| else if (address < extmemmng_size) { | else if (address < CPU_EXTMEMSIZE) { | 
| ret = extmemmng_ptr[address]; | ret = CPU_EXTMEM[address]; | 
 | } | } | 
 | else { | else { | 
 | ret = 0xff; | ret = 0xff; | 
 | } | } | 
 | address++; | address++; | 
| if (address < extmemmng_size) { | if (address < CPU_EXTMEMSIZE) { | 
| ret += extmemmng_ptr[address] << 8; | ret += CPU_EXTMEM[address] << 8; | 
 | } | } | 
 | else { | else { | 
 | ret += 0xff00; | ret += 0xff00; | 
| Line 859  REG16 MEMCALL i286_memoryread_w(UINT32 a | Line 875  REG16 MEMCALL i286_memoryread_w(UINT32 a | 
 | } | } | 
 | #endif | #endif | 
 | else if ((address & 0x7fff) != 0x7fff) { | else if ((address & 0x7fff) != 0x7fff) { | 
| return(memword_read[(address >> 15) & 0x1f](address)); | return(memfn.rd16[(address >> 15) & 0x1f](address)); | 
 | } | } | 
 | else { | else { | 
| ret = memory_read[(address >> 15) & 0x1f](address); | ret = memfn.rd8[(address >> 15) & 0x1f](address); | 
 | address++; | address++; | 
| ret += memory_read[(address >> 15) & 0x1f](address) << 8; | ret += memfn.rd8[(address >> 15) & 0x1f](address) << 8; | 
 | return(ret); | return(ret); | 
 | } | } | 
 | } | } | 
| Line 878  void MEMCALL i286_memorywrite(UINT32 add | Line 894  void MEMCALL i286_memorywrite(UINT32 add | 
 | #if defined(USE_HIMEM) | #if defined(USE_HIMEM) | 
 | else if (address >= 0x10fff0) { | else if (address >= 0x10fff0) { | 
 | address -= 0x100000; | address -= 0x100000; | 
| if (address < extmemmng_size) { | if (address < CPU_EXTMEMSIZE) { | 
| extmemmng_ptr[address] = (BYTE)value; | CPU_EXTMEM[address] = (BYTE)value; | 
 | } | } | 
 | } | } | 
 | #endif | #endif | 
 | else { | else { | 
| memory_write[(address >> 15) & 0x1f](address, value); | memfn.wr8[(address >> 15) & 0x1f](address, value); | 
 | } | } | 
 | } | } | 
 |  |  | 
| Line 899  void MEMCALL i286_memorywrite_w(UINT32 a | Line 915  void MEMCALL i286_memorywrite_w(UINT32 a | 
 | if (address == (0x00fff0 - 1)) { | if (address == (0x00fff0 - 1)) { | 
 | mem[address] = (BYTE)value; | mem[address] = (BYTE)value; | 
 | } | } | 
| else if (address < extmemmng_size) { | else if (address < CPU_EXTMEMSIZE) { | 
| extmemmng_ptr[address] = (BYTE)value; | CPU_EXTMEM[address] = (BYTE)value; | 
 | } | } | 
 | address++; | address++; | 
| if (address < extmemmng_size) { | if (address < CPU_EXTMEMSIZE) { | 
| extmemmng_ptr[address] = (BYTE)(value >> 8); | CPU_EXTMEM[address] = (BYTE)(value >> 8); | 
 | } | } | 
 | } | } | 
 | #endif | #endif | 
 | else if ((address & 0x7fff) != 0x7fff) { | else if ((address & 0x7fff) != 0x7fff) { | 
| memword_write[(address >> 15) & 0x1f](address, value); | memfn.wr16[(address >> 15) & 0x1f](address, value); | 
 | } | } | 
 | else { | else { | 
| memory_write[(address >> 15) & 0x1f](address, (BYTE)value); | memfn.wr8[(address >> 15) & 0x1f](address, (BYTE)value); | 
 | address++; | address++; | 
| memory_write[(address >> 15) & 0x1f](address, (BYTE)(value >> 8)); | memfn.wr8[(address >> 15) & 0x1f](address, (BYTE)(value >> 8)); | 
 | } | } | 
 | } | } | 
 |  |  |