| version 1.16, 2004/03/04 17:36:05 | version 1.38, 2012/01/23 10:50:55 | 
| Line 3 | Line 3 | 
 | #ifndef NP2_MEMORY_ASM | #ifndef NP2_MEMORY_ASM | 
 |  |  | 
 | #include        "cpucore.h" | #include        "cpucore.h" | 
 | #include        "memory.h" |  | 
 | #include        "egcmem.h" |  | 
 | #include        "mem9821.h" |  | 
 | #include        "pccore.h" | #include        "pccore.h" | 
 | #include        "iocore.h" | #include        "iocore.h" | 
 |  | #include        "memtram.h" | 
 |  | #include        "memvram.h" | 
 |  | #include        "memegc.h" | 
 |  | #if defined(SUPPORT_PC9821) | 
 |  | #include        "memvga.h" | 
 |  | #endif | 
 |  | #include        "memems.h" | 
 |  | #include        "memepp.h" | 
 | #include        "vram.h" | #include        "vram.h" | 
 | #include        "font.h" | #include        "font.h" | 
 |  |  | 
 |  |  | 
| BYTE    mem[0x200000]; | UINT8   mem[0x200000]; | 
|  |  | 
|  |  | 
| #define USE_HIMEM               0x110000 |  | 
|  |  | 
| // ---- write byte |  | 
|  |  | 
| static void MEMCALL i286_wt(UINT32 address, REG8 value) { |  | 
 |  |  | 
 | mem[address & CPU_ADRSMASK] = (BYTE)value; |  | 
 | } |  | 
 |  |  | 
 | static void MEMCALL tram_wt(UINT32 address, REG8 value) { |  | 
 |  |  | 
| CPU_REMCLOCK -= MEMWAIT_TRAM; | typedef void (MEMCALL * MEM8WRITE)(UINT32 address, REG8 value); | 
| if (address < 0xa2000) { | typedef REG8 (MEMCALL * MEM8READ)(UINT32 address); | 
| mem[address] = (BYTE)value; | typedef void (MEMCALL * MEM16WRITE)(UINT32 address, REG16 value); | 
| tramupdate[LOW12(address >> 1)] = 1; | typedef REG16 (MEMCALL * MEM16READ)(UINT32 address); | 
| gdcs.textdisp |= 1; |  | 
| } |  | 
| else if (address < 0xa3fe0) { |  | 
| if (!(address & 1)) { |  | 
| mem[address] = (BYTE)value; |  | 
| tramupdate[LOW12(address >> 1)] = 1; |  | 
| gdcs.textdisp |= 1; |  | 
| } |  | 
| } |  | 
| else if (address < 0xa4000) { |  | 
| if (!(address & 1)) { |  | 
| if ((!(address & 2)) || (gdcs.msw_accessable)) { |  | 
| mem[address] = (BYTE)value; |  | 
| tramupdate[LOW12(address >> 1)] = 1; |  | 
| gdcs.textdisp |= 1; |  | 
| } |  | 
| } |  | 
| } |  | 
| else if (address < 0xa5000) { |  | 
| if ((address & 1) && (cgwindow.writable & 1)) { |  | 
| cgwindow.writable |= 0x80; |  | 
| fontrom[cgwindow.high + ((address >> 1) & 0x0f)] = (BYTE)value; |  | 
| } |  | 
| } |  | 
| } |  | 
 |  |  | 
 | static void MEMCALL vram_w0(UINT32 address, REG8 value) { |  | 
 |  |  | 
| CPU_REMCLOCK -= MEMWAIT_VRAM; | // ---- MAIN | 
| mem[address] = (BYTE)value; |  | 
| vramupdate[LOW15(address)] |= 1; |  | 
| gdcs.grphdisp |= 1; |  | 
| } |  | 
 |  |  | 
| static void MEMCALL vram_w1(UINT32 address, REG8 value) { | static REG8 MEMCALL memmain_rd8(UINT32 address) { | 
 |  |  | 
| CPU_REMCLOCK -= MEMWAIT_VRAM; | return(mem[address]); | 
| mem[address + VRAM_STEP] = (BYTE)value; |  | 
| vramupdate[LOW15(address)] |= 2; |  | 
| gdcs.grphdisp |= 2; |  | 
 | } | } | 
 |  |  | 
| static void MEMCALL grcg_rmw0(UINT32 address, REG8 value) { | static REG16 MEMCALL memmain_rd16(UINT32 address) { | 
 |  |  | 
| REG8    mask; | const UINT8     *ptr; | 
| BYTE    *vram; |  | 
 |  |  | 
| CPU_REMCLOCK -= MEMWAIT_GRCG; | ptr = mem + address; | 
| mask = ~value; | return(LOADINTELWORD(ptr)); | 
| address = LOW15(address); |  | 
| vramupdate[address] |= 1; |  | 
| gdcs.grphdisp |= 1; |  | 
| vram = mem + address; |  | 
| if (!(grcg.modereg & 1)) { |  | 
| vram[VRAM0_B] &= mask; |  | 
| vram[VRAM0_B] |= (value & grcg.tile[0].b[0]); |  | 
| } |  | 
| if (!(grcg.modereg & 2)) { |  | 
| vram[VRAM0_R] &= mask; |  | 
| vram[VRAM0_R] |= (value & grcg.tile[1].b[0]); |  | 
| } |  | 
| if (!(grcg.modereg & 4)) { |  | 
| vram[VRAM0_G] &= mask; |  | 
| vram[VRAM0_G] |= (value & grcg.tile[2].b[0]); |  | 
| } |  | 
| if (!(grcg.modereg & 8)) { |  | 
| vram[VRAM0_E] &= mask; |  | 
| vram[VRAM0_E] |= (value & grcg.tile[3].b[0]); |  | 
| } |  | 
 | } | } | 
 |  |  | 
| static void MEMCALL grcg_rmw1(UINT32 address, REG8 value) { | static void MEMCALL memmain_wr8(UINT32 address, REG8 value) { | 
|  |  | 
| REG8    mask; |  | 
| BYTE    *vram; |  | 
 |  |  | 
| CPU_REMCLOCK -= MEMWAIT_GRCG; | mem[address] = (UINT8)value; | 
| mask = ~value; |  | 
| address = LOW15(address); |  | 
| vramupdate[address] |= 2; |  | 
| gdcs.grphdisp |= 2; |  | 
| vram = mem + address; |  | 
| if (!(grcg.modereg & 1)) { |  | 
| vram[VRAM1_B] &= mask; |  | 
| vram[VRAM1_B] |= (value & grcg.tile[0].b[0]); |  | 
| } |  | 
| if (!(grcg.modereg & 2)) { |  | 
| vram[VRAM1_R] &= mask; |  | 
| vram[VRAM1_R] |= (value & grcg.tile[1].b[0]); |  | 
| } |  | 
| if (!(grcg.modereg & 4)) { |  | 
| vram[VRAM1_G] &= mask; |  | 
| vram[VRAM1_G] |= (value & grcg.tile[2].b[0]); |  | 
| } |  | 
| if (!(grcg.modereg & 8)) { |  | 
| vram[VRAM1_E] &= mask; |  | 
| vram[VRAM1_E] |= (value & grcg.tile[3].b[0]); |  | 
| } |  | 
 | } | } | 
 |  |  | 
| static void MEMCALL grcg_tdw0(UINT32 address, REG8 value) { | static void MEMCALL memmain_wr16(UINT32 address, REG16 value) { | 
 |  |  | 
| BYTE    *vram; | UINT8   *ptr; | 
 |  |  | 
| CPU_REMCLOCK -= MEMWAIT_GRCG; | ptr = mem + address; | 
| address = LOW15(address); | STOREINTELWORD(ptr, value); | 
| vramupdate[address] |= 1; |  | 
| gdcs.grphdisp |= 1; |  | 
| vram = mem + address; |  | 
| if (!(grcg.modereg & 1)) { |  | 
| vram[VRAM0_B] = grcg.tile[0].b[0]; |  | 
| } |  | 
| if (!(grcg.modereg & 2)) { |  | 
| vram[VRAM0_R] = grcg.tile[1].b[0]; |  | 
| } |  | 
| if (!(grcg.modereg & 4)) { |  | 
| vram[VRAM0_G] = grcg.tile[2].b[0]; |  | 
| } |  | 
| if (!(grcg.modereg & 8)) { |  | 
| vram[VRAM0_E] = grcg.tile[3].b[0]; |  | 
| } |  | 
| (void)value; |  | 
 | } | } | 
 |  |  | 
 | static void MEMCALL grcg_tdw1(UINT32 address, REG8 value) { |  | 
 |  |  | 
 | BYTE    *vram; |  | 
 |  |  | 
| CPU_REMCLOCK -= MEMWAIT_GRCG; | // ---- N/C | 
| address = LOW15(address); |  | 
| vramupdate[address] |= 2; |  | 
| gdcs.grphdisp |= 2; |  | 
| vram = mem + address; |  | 
| if (!(grcg.modereg & 1)) { |  | 
| vram[VRAM1_B] = grcg.tile[0].b[0]; |  | 
| } |  | 
| if (!(grcg.modereg & 2)) { |  | 
| vram[VRAM1_R] = grcg.tile[1].b[0]; |  | 
| } |  | 
| if (!(grcg.modereg & 4)) { |  | 
| vram[VRAM1_G] = grcg.tile[2].b[0]; |  | 
| } |  | 
| if (!(grcg.modereg & 8)) { |  | 
| vram[VRAM1_E] = grcg.tile[3].b[0]; |  | 
| } |  | 
| (void)value; |  | 
| } |  | 
 |  |  | 
| static void MEMCALL egc_wt(UINT32 address, REG8 value) { | static REG8 MEMCALL memnc_rd8(UINT32 address) { | 
 |  |  | 
| CPU_REMCLOCK -= MEMWAIT_GRCG; | (void)address; | 
| egc_write(address, value); | return(0xff); | 
 | } | } | 
 |  |  | 
| static void MEMCALL i286_wb(UINT32 address, REG8 value) { | static REG16 MEMCALL memnc_rd16(UINT32 address) { | 
 |  |  | 
| mem[address + 0x1c8000 - 0xe8000] = (BYTE)value; | (void)address; | 
|  | return(0xffff); | 
 | } | } | 
 |  |  | 
| static void MEMCALL i286_wn(UINT32 address, REG8 value) { | static void MEMCALL memnc_wr8(UINT32 address, REG8 value) { | 
 |  |  | 
 | (void)address; | (void)address; | 
 | (void)value; | (void)value; | 
 | } | } | 
 |  |  | 
 |  | static void MEMCALL memnc_wr16(UINT32 address, REG16 value) { | 
 |  |  | 
| // ---- read byte | (void)address; | 
|  | (void)value; | 
| static REG8 MEMCALL i286_rd(UINT32 address) { |  | 
|  |  | 
| return(mem[address & CPU_ADRSMASK]); |  | 
| } |  | 
|  |  | 
| static REG8 MEMCALL tram_rd(UINT32 address) { |  | 
|  |  | 
| CPU_REMCLOCK -= MEMWAIT_TRAM; |  | 
| if (address < 0xa4000) { |  | 
| return(mem[address]); |  | 
| } |  | 
| else if (address < 0xa5000) { |  | 
| if (address & 1) { |  | 
| return(fontrom[cgwindow.high + ((address >> 1) & 0x0f)]); |  | 
| } |  | 
| else { |  | 
| return(fontrom[cgwindow.low + ((address >> 1) & 0x0f)]); |  | 
| } |  | 
| } |  | 
| return(mem[address]); |  | 
 | } | } | 
 |  |  | 
 | static REG8 MEMCALL vram_r0(UINT32 address) { |  | 
 |  |  | 
| CPU_REMCLOCK -= MEMWAIT_VRAM; | // ---- memory 000000-0ffffff + 64KB | 
| return(mem[address]); |  | 
| } |  | 
|  |  | 
| static REG8 MEMCALL vram_r1(UINT32 address) { |  | 
 |  |  | 
| CPU_REMCLOCK -= MEMWAIT_VRAM; | typedef struct { | 
| return(mem[address + VRAM_STEP]); | MEM8READ        rd8[0x22]; | 
| } | MEM8WRITE       wr8[0x22]; | 
|  | MEM16READ       rd16[0x22]; | 
|  | MEM16WRITE      wr16[0x22]; | 
|  | } MEMFN0; | 
 |  |  | 
| static REG8 MEMCALL grcg_tcr0(UINT32 address) { | typedef struct { | 
|  | MEM8READ        brd8;           // E8000-F7FFF byte read | 
|  | MEM8READ        ird8;           // F8000-FFFFF byte read | 
|  | MEM8WRITE       bwr8;           // E8000-FFFFF byte write | 
|  | MEM16READ       brd16;          // E8000-F7FFF word read | 
|  | MEM16READ       ird16;          // F8000-FFFFF word read | 
|  | MEM16WRITE      bwr16;          // F8000-FFFFF word write | 
|  | } MMAPTBL; | 
 |  |  | 
| const BYTE      *vram; | typedef struct { | 
| REG8    ret; | MEM8READ        rd8; | 
|  | MEM8WRITE       wr8; | 
|  | MEM16READ       rd16; | 
|  | MEM16WRITE      wr16; | 
|  | } VACCTBL; | 
 |  |  | 
| CPU_REMCLOCK -= MEMWAIT_GRCG; | static MEMFN0 memfn0 = { | 
| vram = mem + LOW15(address); | {memmain_rd8,        memmain_rd8,    memmain_rd8,    memmain_rd8,    // 00 | 
| ret = 0; | memmain_rd8,    memmain_rd8,    memmain_rd8,    memmain_rd8,    // 20 | 
| if (!(grcg.modereg & 1)) { | memmain_rd8,    memmain_rd8,    memmain_rd8,    memmain_rd8,    // 40 | 
| ret |= vram[VRAM0_B] ^ grcg.tile[0].b[0]; | memmain_rd8,    memmain_rd8,    memmain_rd8,    memmain_rd8,    // 60 | 
| } | memmain_rd8,    memmain_rd8,    memmain_rd8,    memmain_rd8,    // 80 | 
| if (!(grcg.modereg & 2)) { | memtram_rd8,    memvram0_rd8,   memvram0_rd8,   memvram0_rd8,   // a0 | 
| ret |= vram[VRAM0_R] ^ grcg.tile[1].b[0]; | memems_rd8,             memems_rd8,             memmain_rd8,    memmain_rd8,    // c0 | 
| } | memvram0_rd8,   memmain_rd8,    memmain_rd8,    memf800_rd8,    // e0 | 
| if (!(grcg.modereg & 4)) { | memmain_rd8,    memmain_rd8}, | 
| ret |= vram[VRAM0_G] ^ grcg.tile[2].b[0]; |  | 
| } | {memmain_wr8,        memmain_wr8,    memmain_wr8,    memmain_wr8,    // 00 | 
| if (!(grcg.modereg & 8)) { | memmain_wr8,    memmain_wr8,    memmain_wr8,    memmain_wr8,    // 20 | 
| ret |= vram[VRAM0_E] ^ grcg.tile[3].b[0]; | memmain_wr8,    memmain_wr8,    memmain_wr8,    memmain_wr8,    // 40 | 
| } | memmain_wr8,    memmain_wr8,    memmain_wr8,    memmain_wr8,    // 60 | 
| return(ret ^ 0xff); | memmain_wr8,    memmain_wr8,    memmain_wr8,    memmain_wr8,    // 80 | 
| } | memtram_wr8,    memvram0_wr8,   memvram0_wr8,   memvram0_wr8,   // a0 | 
|  | memems_wr8,             memems_wr8,             memd000_wr8,    memd000_wr8,    // c0 | 
|  | memvram0_wr8,   memnc_wr8,              memnc_wr8,              memnc_wr8,              // e0 | 
|  | memmain_wr8,    memmain_wr8}, | 
|  |  | 
|  | {memmain_rd16,       memmain_rd16,   memmain_rd16,   memmain_rd16,   // 00 | 
|  | memmain_rd16,   memmain_rd16,   memmain_rd16,   memmain_rd16,   // 20 | 
|  | memmain_rd16,   memmain_rd16,   memmain_rd16,   memmain_rd16,   // 40 | 
|  | memmain_rd16,   memmain_rd16,   memmain_rd16,   memmain_rd16,   // 60 | 
|  | memmain_rd16,   memmain_rd16,   memmain_rd16,   memmain_rd16,   // 80 | 
|  | memtram_rd16,   memvram0_rd16,  memvram0_rd16,  memvram0_rd16,  // a0 | 
|  | memems_rd16,    memems_rd16,    memmain_rd16,   memmain_rd16,   // c0 | 
|  | memvram0_rd16,  memmain_rd16,   memmain_rd16,   memf800_rd16,   // e0 | 
|  | memmain_rd16,   memmain_rd16}, | 
|  |  | 
|  | {memmain_wr16,       memmain_wr16,   memmain_wr16,   memmain_wr16,   // 00 | 
|  | memmain_wr16,   memmain_wr16,   memmain_wr16,   memmain_wr16,   // 20 | 
|  | memmain_wr16,   memmain_wr16,   memmain_wr16,   memmain_wr16,   // 40 | 
|  | memmain_wr16,   memmain_wr16,   memmain_wr16,   memmain_wr16,   // 60 | 
|  | memmain_wr16,   memmain_wr16,   memmain_wr16,   memmain_wr16,   // 80 | 
|  | memtram_wr16,   memvram0_wr16,  memvram0_wr16,  memvram0_wr16,  // a0 | 
|  | memems_wr16,    memems_wr16,    memd000_wr16,   memd000_wr16,   // c0 | 
|  | memvram0_wr16,  memnc_wr16,             memnc_wr16,             memnc_wr16,             // e0 | 
|  | memmain_wr16,   memmain_wr16}}; | 
 |  |  | 
| static REG8 MEMCALL grcg_tcr1(UINT32 address) { | static const MMAPTBL mmaptbl[2] = { | 
|  | {memmain_rd8,        memf800_rd8,    memnc_wr8, | 
|  | memmain_rd16,   memf800_rd16,   memnc_wr16}, | 
|  | {memf800_rd8,        memf800_rd8,    memepson_wr8, | 
|  | memf800_rd16,   memf800_rd16,   memepson_wr16}}; | 
 |  |  | 
| const BYTE      *vram; | static const VACCTBL vacctbl[0x10] = { | 
| REG8    ret; | {memvram0_rd8,  memvram0_wr8,   memvram0_rd16,  memvram0_wr16}, // 00 | 
|  | {memvram1_rd8,  memvram1_wr8,   memvram1_rd16,  memvram1_wr16}, | 
|  | {memvram0_rd8,  memvram0_wr8,   memvram0_rd16,  memvram0_wr16}, | 
|  | {memvram1_rd8,  memvram1_wr8,   memvram1_rd16,  memvram1_wr16}, | 
|  | {memvram0_rd8,  memvram0_wr8,   memvram0_rd16,  memvram0_wr16}, // 40 | 
|  | {memvram1_rd8,  memvram1_wr8,   memvram1_rd16,  memvram1_wr16}, | 
|  | {memvram0_rd8,  memvram0_wr8,   memvram0_rd16,  memvram0_wr16}, | 
|  | {memvram1_rd8,  memvram1_wr8,   memvram1_rd16,  memvram1_wr16}, | 
|  | {memtcr0_rd8,   memtdw0_wr8,    memtcr0_rd16,   memtdw0_wr16},  // 80 | 
|  | {memtcr1_rd8,   memtdw1_wr8,    memtcr1_rd16,   memtdw1_wr16}, | 
|  | {memegc_rd8,    memegc_wr8,             memegc_rd16,    memegc_wr16}, | 
|  | {memegc_rd8,    memegc_wr8,             memegc_rd16,    memegc_wr16}, | 
|  | {memvram0_rd8,  memrmw0_wr8,    memvram0_rd16,  memrmw0_wr16},  // c0 | 
|  | {memvram1_rd8,  memrmw1_wr8,    memvram1_rd16,  memrmw1_wr16}, | 
|  | {memegc_rd8,    memegc_wr8,             memegc_rd16,    memegc_wr16}, | 
|  | {memegc_rd8,    memegc_wr8,             memegc_rd16,    memegc_wr16}}; | 
 |  |  | 
 | CPU_REMCLOCK -= MEMWAIT_GRCG; |  | 
 | ret = 0; |  | 
 | vram = mem + LOW15(address); |  | 
 | if (!(grcg.modereg & 1)) { |  | 
 | ret |= vram[VRAM1_B] ^ grcg.tile[0].b[0]; |  | 
 | } |  | 
 | if (!(grcg.modereg & 2)) { |  | 
 | ret |= vram[VRAM1_R] ^ grcg.tile[1].b[0]; |  | 
 | } |  | 
 | if (!(grcg.modereg & 4)) { |  | 
 | ret |= vram[VRAM1_G] ^ grcg.tile[2].b[0]; |  | 
 | } |  | 
 | if (!(grcg.modereg & 8)) { |  | 
 | ret |= vram[VRAM1_E] ^ grcg.tile[3].b[0]; |  | 
 | } |  | 
 | return(ret ^ 0xff); |  | 
 | } |  | 
 |  |  | 
| static REG8 MEMCALL egc_rd(UINT32 address) { | void MEMCALL memm_arch(UINT type) { | 
 |  |  | 
| CPU_REMCLOCK -= MEMWAIT_GRCG; | const MMAPTBL   *mm; | 
| return(egc_read(address)); |  | 
| } |  | 
 |  |  | 
| static REG8 MEMCALL i286_rb(UINT32 address) { | mm = mmaptbl + (type & 1); | 
 |  |  | 
| if (CPU_ITFBANK) { | memfn0.rd8[0xe8000 >> 15] = mm->brd8; | 
| address += VRAM_STEP; | memfn0.rd8[0xf0000 >> 15] = mm->brd8; | 
| } | memfn0.rd8[0xf8000 >> 15] = mm->ird8; | 
| return(mem[address]); | memfn0.wr8[0xe8000 >> 15] = mm->bwr8; | 
|  | memfn0.wr8[0xf0000 >> 15] = mm->bwr8; | 
|  | memfn0.wr8[0xf8000 >> 15] = mm->bwr8; | 
|  |  | 
|  | memfn0.rd16[0xe8000 >> 15] = mm->brd16; | 
|  | memfn0.rd16[0xf0000 >> 15] = mm->brd16; | 
|  | memfn0.rd16[0xf8000 >> 15] = mm->ird16; | 
|  | memfn0.wr16[0xe8000 >> 15] = mm->bwr16; | 
|  | memfn0.wr16[0xf0000 >> 15] = mm->bwr16; | 
|  | memfn0.wr16[0xf8000 >> 15] = mm->bwr16; | 
 | } | } | 
 |  |  | 
 |  | void MEMCALL memm_vram(UINT func) { | 
 |  |  | 
| // ---- write word | const VACCTBL   *vacc; | 
|  |  | 
| static void MEMCALL i286w_wt(UINT32 address, REG16 value) { |  | 
|  |  | 
| BYTE    *ptr; |  | 
|  |  | 
| ptr = mem + (address & CPU_ADRSMASK); |  | 
| STOREINTELWORD(ptr, value); |  | 
| } |  | 
 |  |  | 
| static void MEMCALL tramw_wt(UINT32 address, REG16 value) { | #if defined(SUPPORT_PC9821) | 
|  | if (!(func & 0x20)) { | 
|  | #endif  // defined(SUPPORT_PC9821) | 
|  | vacc = vacctbl + (func & 0x0f); | 
 |  |  | 
| CPU_REMCLOCK -= MEMWAIT_TRAM; | memfn0.rd8[0xa8000 >> 15] = vacc->rd8; | 
| if (address < 0xa1fff) { | memfn0.rd8[0xb0000 >> 15] = vacc->rd8; | 
| STOREINTELWORD(mem + address, value); | memfn0.rd8[0xb8000 >> 15] = vacc->rd8; | 
| tramupdate[LOW12(address >> 1)] = 1; | memfn0.rd8[0xe0000 >> 15] = vacc->rd8; | 
| tramupdate[LOW12((address + 1) >> 1)] = 1; |  | 
| gdcs.textdisp |= 1; | memfn0.wr8[0xa8000 >> 15] = vacc->wr8; | 
| } | memfn0.wr8[0xb0000 >> 15] = vacc->wr8; | 
| else if (address == 0xa1fff) { | memfn0.wr8[0xb8000 >> 15] = vacc->wr8; | 
| STOREINTELWORD(mem + address, value); | memfn0.wr8[0xe0000 >> 15] = vacc->wr8; | 
| tramupdate[0] = 1; |  | 
| tramupdate[0xfff] = 1; | memfn0.rd16[0xa8000 >> 15] = vacc->rd16; | 
| gdcs.textdisp |= 1; | memfn0.rd16[0xb0000 >> 15] = vacc->rd16; | 
| } | memfn0.rd16[0xb8000 >> 15] = vacc->rd16; | 
| else if (address < 0xa3fe0) { | memfn0.rd16[0xe0000 >> 15] = vacc->rd16; | 
| if (address & 1) { |  | 
| address++; | memfn0.wr16[0xa8000 >> 15] = vacc->wr16; | 
| value >>= 8; | memfn0.wr16[0xb0000 >> 15] = vacc->wr16; | 
| } | memfn0.wr16[0xb8000 >> 15] = vacc->wr16; | 
| mem[address] = (BYTE)value; | memfn0.wr16[0xe0000 >> 15] = vacc->wr16; | 
| tramupdate[LOW12(address >> 1)] = 1; |  | 
| gdcs.textdisp |= 1; | if (!(func & (1 << VOPBIT_ANALOG))) {                                   // digital | 
| } | memfn0.rd8[0xe0000 >> 15] = memnc_rd8; | 
| else if (address < 0xa3fff) { | memfn0.wr8[0xe0000 >> 15] = memnc_wr8; | 
| if (address & 1) { | memfn0.rd16[0xe0000 >> 15] = memnc_rd16; | 
| address++; | memfn0.wr16[0xe0000 >> 15] = memnc_wr16; | 
| value >>= 8; |  | 
| } |  | 
| if ((!(address & 2)) || (gdcs.msw_accessable)) { |  | 
| mem[address] = (BYTE)value; |  | 
| tramupdate[LOW12(address >> 1)] = 1; |  | 
| gdcs.textdisp |= 1; |  | 
| } |  | 
| } |  | 
| else if (address < 0xa5000) { |  | 
| if (address & 1) { |  | 
| value >>= 8; |  | 
| } |  | 
| if (cgwindow.writable & 1) { |  | 
| cgwindow.writable |= 0x80; |  | 
| fontrom[cgwindow.high + ((address >> 1) & 0x0f)] = (BYTE)value; |  | 
 | } | } | 
| } | #if defined(SUPPORT_PC9821) | 
| } |  | 
|  |  | 
|  |  | 
| #define GRCGW_NON(page) {                                                                                       \ |  | 
| CPU_REMCLOCK -= MEMWAIT_VRAM;                                                                   \ |  | 
| STOREINTELWORD(mem + address + VRAM_STEP*(page), value);                \ |  | 
| vramupdate[LOW15(address)] |= (1 << page);                                              \ |  | 
| vramupdate[LOW15(address + 1)] |= (1 << page);                                  \ |  | 
| gdcs.grphdisp |= (1 << page);                                                                   \ |  | 
| } |  | 
|  |  | 
| #define GRCGW_RMW(page) {                                                                                       \ |  | 
| BYTE    *vram;                                                                                                  \ |  | 
| CPU_REMCLOCK -= MEMWAIT_GRCG;                                                                   \ |  | 
| address = LOW15(address);                                                                               \ |  | 
| vramupdate[address] |= (1 << page);                                                             \ |  | 
| vramupdate[address + 1] |= (1 << page);                                                 \ |  | 
| gdcs.grphdisp |= (1 << page);                                                                   \ |  | 
| vram = mem + address + (VRAM_STEP * (page));                                    \ |  | 
| if (!(grcg.modereg & 1)) {                                                                              \ |  | 
| BYTE tmp;                                                                                                       \ |  | 
| tmp = (BYTE)value;                                                                                      \ |  | 
| vram[VRAM0_B+0] &= (~tmp);                                                                      \ |  | 
| vram[VRAM0_B+0] |= (tmp & grcg.tile[0].b[0]);                           \ |  | 
| tmp = (BYTE)(value >> 8);                                                                       \ |  | 
| vram[VRAM0_B+1] &= (~tmp);                                                                      \ |  | 
| vram[VRAM0_B+1] |= (tmp & grcg.tile[0].b[0]);                           \ |  | 
| }                                                                                                                               \ |  | 
| if (!(grcg.modereg & 2)) {                                                                              \ |  | 
| BYTE tmp;                                                                                                       \ |  | 
| tmp = (BYTE)value;                                                                                      \ |  | 
| vram[VRAM0_R+0] &= (~tmp);                                                                      \ |  | 
| vram[VRAM0_R+0] |= (tmp & grcg.tile[1].b[0]);                           \ |  | 
| tmp = (BYTE)(value >> 8);                                                                       \ |  | 
| vram[VRAM0_R+1] &= (~tmp);                                                                      \ |  | 
| vram[VRAM0_R+1] |= (tmp & grcg.tile[1].b[0]);                           \ |  | 
| }                                                                                                                               \ |  | 
| if (!(grcg.modereg & 4)) {                                                                              \ |  | 
| BYTE tmp;                                                                                                       \ |  | 
| tmp = (BYTE)value;                                                                                      \ |  | 
| vram[VRAM0_G+0] &= (~tmp);                                                                      \ |  | 
| vram[VRAM0_G+0] |= (tmp & grcg.tile[2].b[0]);                           \ |  | 
| tmp = (BYTE)(value >> 8);                                                                       \ |  | 
| vram[VRAM0_G+1] &= (~tmp);                                                                      \ |  | 
| vram[VRAM0_G+1] |= (tmp & grcg.tile[2].b[0]);                           \ |  | 
| }                                                                                                                               \ |  | 
| if (!(grcg.modereg & 8)) {                                                                              \ |  | 
| BYTE tmp;                                                                                                       \ |  | 
| tmp = (BYTE)value;                                                                                      \ |  | 
| vram[VRAM0_E+0] &= (~tmp);                                                                      \ |  | 
| vram[VRAM0_E+0] |= (tmp & grcg.tile[3].b[0]);                           \ |  | 
| tmp = (BYTE)(value >> 8);                                                                       \ |  | 
| vram[VRAM0_E+1] &= (~tmp);                                                                      \ |  | 
| vram[VRAM0_E+1] |= (tmp & grcg.tile[3].b[0]);                           \ |  | 
| }                                                                                                                               \ |  | 
| } |  | 
|  |  | 
| #define GRCGW_TDW(page) {                                                                                       \ |  | 
| BYTE    *vram;                                                                                                  \ |  | 
| CPU_REMCLOCK -= MEMWAIT_GRCG;                                                                   \ |  | 
| address = LOW15(address);                                                                               \ |  | 
| vramupdate[address] |= (1 << page);                                                             \ |  | 
| vramupdate[address + 1] |= (1 << page);                                                 \ |  | 
| gdcs.grphdisp |= (1 << page);                                                                   \ |  | 
| vram = mem + address + (VRAM_STEP * (page));                                    \ |  | 
| if (!(grcg.modereg & 1)) {                                                                              \ |  | 
| vram[VRAM0_B+0] = grcg.tile[0].b[0];                                            \ |  | 
| vram[VRAM0_B+1] = grcg.tile[0].b[0];                                            \ |  | 
| }                                                                                                                               \ |  | 
| if (!(grcg.modereg & 2)) {                                                                              \ |  | 
| vram[VRAM0_R+0] = grcg.tile[1].b[0];                                            \ |  | 
| vram[VRAM0_R+1] = grcg.tile[1].b[0];                                            \ |  | 
| }                                                                                                                               \ |  | 
| if (!(grcg.modereg & 4)) {                                                                              \ |  | 
| vram[VRAM0_G+0] = grcg.tile[2].b[0];                                            \ |  | 
| vram[VRAM0_G+1] = grcg.tile[2].b[0];                                            \ |  | 
| }                                                                                                                               \ |  | 
| if (!(grcg.modereg & 8)) {                                                                              \ |  | 
| vram[VRAM0_E+0] = grcg.tile[3].b[0];                                            \ |  | 
| vram[VRAM0_E+1] = grcg.tile[3].b[0];                                            \ |  | 
| }                                                                                                                               \ |  | 
| (void)value;                                                                                                    \ |  | 
| } |  | 
|  |  | 
| static void MEMCALL vramw_w0(UINT32 address, REG16 value) GRCGW_NON(0) |  | 
| static void MEMCALL vramw_w1(UINT32 address, REG16 value) GRCGW_NON(1) |  | 
| static void MEMCALL grcgw_rmw0(UINT32 address, REG16 value) GRCGW_RMW(0) |  | 
| static void MEMCALL grcgw_rmw1(UINT32 address, REG16 value) GRCGW_RMW(1) |  | 
| static void MEMCALL grcgw_tdw0(UINT32 address, REG16 value) GRCGW_TDW(0) |  | 
| static void MEMCALL grcgw_tdw1(UINT32 address, REG16 value) GRCGW_TDW(1) |  | 
|  |  | 
| static void MEMCALL egcw_wt(UINT32 address, REG16 value) { |  | 
|  |  | 
| CPU_REMCLOCK -= MEMWAIT_GRCG; |  | 
| if (!(address & 1)) { |  | 
| egc_write_w(address, value); |  | 
 | } | } | 
 | else { | else { | 
| if (!(egc.sft & 0x1000)) { | memfn0.rd8[0xa8000 >> 15] = memvga0_rd8; | 
| egc_write(address, (REG8)value); | memfn0.rd8[0xb0000 >> 15] = memvga1_rd8; | 
| egc_write(address + 1, (REG8)(value >> 8)); | memfn0.rd8[0xb8000 >> 15] = memnc_rd8; | 
| } | memfn0.rd8[0xe0000 >> 15] = memvgaio_rd8; | 
| else { |  | 
| egc_write(address + 1, (REG8)(value >> 8)); |  | 
| egc_write(address, (REG8)value); |  | 
| } |  | 
| } |  | 
| } |  | 
|  |  | 
| static void MEMCALL i286w_wb(UINT32 address, REG16 value) { |  | 
 |  |  | 
| mem[address + 0x1c8000 - 0xe8000] = (BYTE)value; | memfn0.wr8[0xa8000 >> 15] = memvga0_wr8; | 
| mem[address + 0x1c8001 - 0xe8000] = (BYTE)(value >> 8); | memfn0.wr8[0xb0000 >> 15] = memvga1_wr8; | 
| } | memfn0.wr8[0xb8000 >> 15] = memnc_wr8; | 
|  | memfn0.wr8[0xe0000 >> 15] = memvgaio_wr8; | 
 |  |  | 
| static void MEMCALL i286w_wn(UINT32 address, REG16 value) { | memfn0.rd16[0xa8000 >> 15] = memvga0_rd16; | 
|  | memfn0.rd16[0xb0000 >> 15] = memvga1_rd16; | 
|  | memfn0.rd16[0xb8000 >> 15] = memnc_rd16; | 
|  | memfn0.rd16[0xe0000 >> 15] = memvgaio_rd16; | 
 |  |  | 
| (void)address; | memfn0.wr16[0xa8000 >> 15] = memvga0_wr16; | 
| (void)value; | memfn0.wr16[0xb0000 >> 15] = memvga1_wr16; | 
|  | memfn0.wr16[0xb8000 >> 15] = memnc_wr16; | 
|  | memfn0.wr16[0xe0000 >> 15] = memvgaio_wr16; | 
|  | } | 
|  | #endif  // defined(SUPPORT_PC9821) | 
 | } | } | 
 |  |  | 
 |  |  | 
| // ---- read word | // ---- memory f00000-fffffff | 
 |  |  | 
| static REG16 MEMCALL i286w_rd(UINT32 address) { | typedef struct { | 
|  | MEM8READ        rd8[8]; | 
| BYTE    *ptr; | MEM8WRITE       wr8[8]; | 
|  | MEM16READ       rd16[8]; | 
|  | MEM16WRITE      wr16[8]; | 
|  | } MEMFNF; | 
 |  |  | 
 | ptr = mem + (address & CPU_ADRSMASK); |  | 
 | return(LOADINTELWORD(ptr)); |  | 
 | } |  | 
 |  |  | 
| static REG16 MEMCALL tramw_rd(UINT32 address) { | static REG8 MEMCALL memsys_rd8(UINT32 address) { | 
 |  |  | 
| CPU_REMCLOCK -= MEMWAIT_TRAM; | address -= 0xf00000; | 
| if (address < (0xa4000 - 1)) { | return(memfn0.rd8[address >> 15](address)); | 
| return(LOADINTELWORD(mem + address)); |  | 
| } |  | 
| else if (address == 0xa3fff) { |  | 
| return(mem[address] + (fontrom[cgwindow.low] << 8)); |  | 
| } |  | 
| else if (address < 0xa4fff) { |  | 
| if (address & 1) { |  | 
| REG16 ret; |  | 
| ret = fontrom[cgwindow.high + ((address >> 1) & 0x0f)]; |  | 
| ret += fontrom[cgwindow.low + (((address + 1) >> 1) & 0x0f)] << 8; |  | 
| return(ret); |  | 
| } |  | 
| else { |  | 
| REG16 ret; |  | 
| ret = fontrom[cgwindow.low + ((address >> 1) & 0x0f)]; |  | 
| ret += fontrom[cgwindow.high + ((address >> 1) & 0x0f)] << 8; |  | 
| return(ret); |  | 
| } |  | 
| } |  | 
| else if (address == 0xa4fff) { |  | 
| return((mem[0xa5000] << 8) | fontrom[cgwindow.high + 15]); |  | 
| } |  | 
| return(LOADINTELWORD(mem + address)); |  | 
 | } | } | 
 |  |  | 
| static REG16 MEMCALL vramw_r0(UINT32 address) { | static REG16 MEMCALL memsys_rd16(UINT32 address) { | 
 |  |  | 
| CPU_REMCLOCK -= MEMWAIT_VRAM; | address -= 0xf00000; | 
| return(LOADINTELWORD(mem + address)); | return(memfn0.rd16[address >> 15](address)); | 
 | } | } | 
 |  |  | 
| static REG16 MEMCALL vramw_r1(UINT32 address) { | static void MEMCALL memsys_wr8(UINT32 address, REG8 value) { | 
 |  |  | 
| CPU_REMCLOCK -= MEMWAIT_VRAM; | address -= 0xf00000; | 
| return(LOADINTELWORD(mem + address + VRAM_STEP)); | memfn0.wr8[address >> 15](address, value); | 
 | } | } | 
 |  |  | 
| static REG16 MEMCALL grcgw_tcr0(UINT32 address) { | static void MEMCALL memsys_wr16(UINT32 address, REG16 value) { | 
|  |  | 
| BYTE    *vram; |  | 
| REG16   ret; |  | 
 |  |  | 
| CPU_REMCLOCK -= MEMWAIT_GRCG; | address -= 0xf00000; | 
| ret = 0; | memfn0.wr16[address >> 15](address, value); | 
| vram = mem + LOW15(address); |  | 
| if (!(grcg.modereg & 1)) { |  | 
| ret |= LOADINTELWORD(vram + VRAM0_B) ^ grcg.tile[0].w; |  | 
| } |  | 
| if (!(grcg.modereg & 2)) { |  | 
| ret |= LOADINTELWORD(vram + VRAM0_R) ^ grcg.tile[1].w; |  | 
| } |  | 
| if (!(grcg.modereg & 4)) { |  | 
| ret |= LOADINTELWORD(vram + VRAM0_G) ^ grcg.tile[2].w; |  | 
| } |  | 
| if (!(grcg.modereg & 8)) { |  | 
| ret |= LOADINTELWORD(vram + VRAM0_E) ^ grcg.tile[3].w; |  | 
| } |  | 
| return((UINT16)~ret); |  | 
 | } | } | 
 |  |  | 
| static REG16 MEMCALL grcgw_tcr1(UINT32 address) { | #if defined(SUPPORT_PC9821) | 
|  | static const MEMFNF memfnf = { | 
|  | {memvgaf_rd8,        memvgaf_rd8,    memvgaf_rd8,    memvgaf_rd8, | 
|  | memnc_rd8,              memsys_rd8,             memsys_rd8,             memsys_rd8}, | 
|  | {memvgaf_wr8,        memvgaf_wr8,    memvgaf_wr8,    memvgaf_wr8, | 
|  | memnc_wr8,              memsys_wr8,             memsys_wr8,             memsys_wr8}, | 
|  |  | 
|  | {memvgaf_rd16,       memvgaf_rd16,   memvgaf_rd16,   memvgaf_rd16, | 
|  | memnc_rd16,             memsys_rd16,    memsys_rd16,    memsys_rd16}, | 
|  | {memvgaf_wr16,       memvgaf_wr16,   memvgaf_wr16,   memvgaf_wr16, | 
|  | memnc_wr16,             memsys_wr16,    memsys_wr16,    memsys_wr16}}; | 
|  | #else | 
|  | static const MEMFNF memfnf = { | 
|  | {memnc_rd8,          memnc_rd8,              memnc_rd8,              memnc_rd8, | 
|  | memnc_rd8,              memsys_rd8,             memsys_rd8,             memsys_rd8}, | 
|  | {memnc_wr8,          memnc_wr8,              memnc_wr8,              memnc_wr8, | 
|  | memnc_wr8,              memsys_wr8,             memsys_wr8,             memsys_wr8}, | 
|  |  | 
|  | {memnc_rd16,         memnc_rd16,             memnc_rd16,             memnc_rd16, | 
|  | memnc_rd16,             memsys_rd16,    memsys_rd16,    memsys_rd16}, | 
|  | {memnc_wr16,         memnc_wr16,             memnc_wr16,             memnc_wr16, | 
|  | memnc_wr16,             memsys_wr16,    memsys_wr16,    memsys_wr16}}; | 
|  | #endif | 
 |  |  | 
 | BYTE    *vram; |  | 
 | REG16   ret; |  | 
 |  |  | 
| CPU_REMCLOCK -= MEMWAIT_GRCG; | // ---- | 
| ret = 0; |  | 
| vram = mem + LOW15(address); |  | 
| if (!(grcg.modereg & 1)) { |  | 
| ret |= LOADINTELWORD(vram + VRAM1_B) ^ grcg.tile[0].w; |  | 
| } |  | 
| if (!(grcg.modereg & 2)) { |  | 
| ret |= LOADINTELWORD(vram + VRAM1_R) ^ grcg.tile[1].w; |  | 
| } |  | 
| if (!(grcg.modereg & 4)) { |  | 
| ret |= LOADINTELWORD(vram + VRAM1_G) ^ grcg.tile[2].w; |  | 
| } |  | 
| if (!(grcg.modereg & 8)) { |  | 
| ret |= LOADINTELWORD(vram + VRAM1_E) ^ grcg.tile[3].w; |  | 
| } |  | 
| return((UINT16)(~ret)); |  | 
| } |  | 
|  |  | 
| static REG16 MEMCALL egcw_rd(UINT32 address) { |  | 
 |  |  | 
| REG16   ret; | REG8 MEMCALL memp_read8(UINT32 address) { | 
 |  |  | 
| CPU_REMCLOCK -= MEMWAIT_GRCG; | if (address < I286_MEMREADMAX) { | 
| if (!(address & 1)) { | return(mem[address]); | 
| return(egc_read_w(address)); |  | 
 | } | } | 
 | else { | else { | 
| if (!(egc.sft & 0x1000)) { | address = address & CPU_ADRSMASK; | 
| ret = egc_read(address); | if (address < USE_HIMEM) { | 
| ret += egc_read(address + 1) << 8; | return(memfn0.rd8[address >> 15](address)); | 
| return(ret); |  | 
 | } | } | 
| else { | else if (address < CPU_EXTLIMIT16) { | 
| ret = egc_read(address + 1) << 8; | return(CPU_EXTMEMBASE[address]); | 
| ret += egc_read(address); |  | 
| return(ret); |  | 
 | } | } | 
| } | else if (address < 0x00f00000) { | 
| } | return(0xff); | 
|  |  | 
| static REG16 MEMCALL i286w_rb(UINT32 address) { |  | 
|  |  | 
| if (CPU_ITFBANK) { |  | 
| address += VRAM_STEP; |  | 
| } |  | 
| return(LOADINTELWORD(mem + address)); |  | 
| } |  | 
|  |  | 
|  |  | 
| // ---- table |  | 
|  |  | 
| typedef void (MEMCALL * MEM8WRITE)(UINT32 address, REG8 value); |  | 
| typedef REG8 (MEMCALL * MEM8READ)(UINT32 address); |  | 
| typedef void (MEMCALL * MEM16WRITE)(UINT32 address, REG16 value); |  | 
| typedef REG16 (MEMCALL * MEM16READ)(UINT32 address); |  | 
|  |  | 
| typedef struct { |  | 
| MEM8READ        rd8[0x20]; |  | 
| MEM8WRITE       wr8[0x20]; |  | 
| MEM16READ       rd16[0x20]; |  | 
| MEM16WRITE      wr16[0x20]; |  | 
| } MEMFN; |  | 
|  |  | 
| typedef struct { |  | 
| MEM8READ        brd8; |  | 
| MEM8READ        ird8; |  | 
| MEM8WRITE       ewr8; |  | 
| MEM8WRITE       bwr8; |  | 
| MEM16READ       brd16; |  | 
| MEM16READ       ird16; |  | 
| MEM16WRITE      ewr16; |  | 
| MEM16WRITE      bwr16; |  | 
| } MMAPTBL; |  | 
|  |  | 
| typedef struct { |  | 
| MEM8READ        rd8; |  | 
| MEM8WRITE       wr8; |  | 
| MEM16READ       rd16; |  | 
| MEM16WRITE      wr16; |  | 
| } VACCTBL; |  | 
|  |  | 
| static MEMFN memfn = { |  | 
| {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,                // 40 |  | 
| i286_rd,        i286_rd,        i286_rd,        i286_rd,                // 60 |  | 
| i286_rd,        i286_rd,        i286_rd,        i286_rd,                // 80 |  | 
| tram_rd,        vram_r0,        vram_r0,        vram_r0,                // a0 |  | 
| i286_rd,        i286_rd,        i286_rd,        i286_rd,                // c0 |  | 
| vram_r0,        i286_rd,        i286_rd,        i286_rb},               // e0 |  | 
|  |  | 
| {i286_wt,    i286_wt,        i286_wt,        i286_wt,                // 00 |  | 
| i286_wt,        i286_wt,        i286_wt,        i286_wt,                // 20 |  | 
| i286_wt,        i286_wt,        i286_wt,        i286_wt,                // 40 |  | 
| i286_wt,        i286_wt,        i286_wt,        i286_wt,                // 60 |  | 
| i286_wt,        i286_wt,        i286_wt,        i286_wt,                // 80 |  | 
| tram_wt,        vram_w0,        vram_w0,        vram_w0,                // a0 |  | 
| i286_wn,        i286_wn,        i286_wn,        i286_wn,                // c0 |  | 
| vram_w0,        i286_wn,        i286_wn,        i286_wn},               // e0 |  | 
|  |  | 
| {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,               // 40 |  | 
| i286w_rd,       i286w_rd,       i286w_rd,       i286w_rd,               // 60 |  | 
| i286w_rd,       i286w_rd,       i286w_rd,       i286w_rd,               // 80 |  | 
| tramw_rd,       vramw_r0,       vramw_r0,       vramw_r0,               // a0 |  | 
| i286w_rd,       i286w_rd,       i286w_rd,       i286w_rd,               // c0 |  | 
| vramw_r0,       i286w_rd,       i286w_rd,       i286w_rb},              // e0 |  | 
|  |  | 
| {i286w_wt,   i286w_wt,       i286w_wt,       i286w_wt,               // 00 |  | 
| i286w_wt,       i286w_wt,       i286w_wt,       i286w_wt,               // 20 |  | 
| i286w_wt,       i286w_wt,       i286w_wt,       i286w_wt,               // 40 |  | 
| i286w_wt,       i286w_wt,       i286w_wt,       i286w_wt,               // 60 |  | 
| i286w_wt,       i286w_wt,       i286w_wt,       i286w_wt,               // 80 |  | 
| tramw_wt,       vramw_w0,       vramw_w0,       vramw_w0,               // a0 |  | 
| i286w_wn,       i286w_wn,       i286w_wn,       i286w_wn,               // c0 |  | 
| vramw_w0,       i286w_wn,       i286w_wn,       i286w_wn}};             // e0 |  | 
|  |  | 
| static const MMAPTBL mmaptbl[2] = { |  | 
| {i286_rd,    i286_rb,        i286_wn,        i286_wn, |  | 
| i286w_rd,       i286w_rb,       i286w_wn,       i286w_wn}, |  | 
| {i286_rb,    i286_rb,        i286_wt,        i286_wb, |  | 
| i286w_rb,       i286w_rb,       i286w_wt,       i286w_wb}}; |  | 
|  |  | 
| static const VACCTBL vacctbl[0x10] = { |  | 
| {vram_r0,       vram_w0,        vramw_r0,       vramw_w0},              // 00 |  | 
| {vram_r1,       vram_w1,        vramw_r1,       vramw_w1}, |  | 
| {vram_r0,       vram_w0,        vramw_r0,       vramw_w0}, |  | 
| {vram_r1,       vram_w1,        vramw_r1,       vramw_w1}, |  | 
| {vram_r0,       vram_w0,        vramw_r0,       vramw_w0},              // 40 |  | 
| {vram_r1,       vram_w1,        vramw_r1,       vramw_w1}, |  | 
| {vram_r0,       vram_w0,        vramw_r0,       vramw_w0}, |  | 
| {vram_r1,       vram_w1,        vramw_r1,       vramw_w1}, |  | 
| {grcg_tcr0,     grcg_tdw0,      grcgw_tcr0,     grcgw_tdw0},    // 80 tdw/tcr |  | 
| {grcg_tcr1,     grcg_tdw1,      grcgw_tcr1,     grcgw_tdw1}, |  | 
| {egc_rd,        egc_wt,         egcw_rd,        egcw_wt}, |  | 
| {egc_rd,        egc_wt,         egcw_rd,        egcw_wt}, |  | 
| {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) { |  | 
|  |  | 
| (void)address; |  | 
| return(0xff); |  | 
| } |  | 
|  |  | 
| static REG16 MEMCALL i286_nonram_rw(UINT32 address) { |  | 
|  |  | 
| (void)address; |  | 
| return(0xffff); |  | 
| } |  | 
|  |  | 
|  |  | 
| void MEMCALL i286_memorymap(UINT type) { |  | 
|  |  | 
| const MMAPTBL   *mm; |  | 
|  |  | 
| mm = mmaptbl + (type & 1); |  | 
|  |  | 
| memfn.rd8[0xe8000 >> 15] = mm->brd8; |  | 
| memfn.rd8[0xf0000 >> 15] = mm->brd8; |  | 
| memfn.rd8[0xf8000 >> 15] = mm->ird8; |  | 
|  |  | 
| memfn.wr8[0xd0000 >> 15] = mm->ewr8; |  | 
| memfn.wr8[0xd8000 >> 15] = mm->ewr8; |  | 
| memfn.wr8[0xe8000 >> 15] = mm->bwr8; |  | 
| memfn.wr8[0xf0000 >> 15] = mm->bwr8; |  | 
| memfn.wr8[0xf8000 >> 15] = mm->bwr8; |  | 
|  |  | 
| memfn.rd16[0xe8000 >> 15] = mm->brd16; |  | 
| memfn.rd16[0xf0000 >> 15] = mm->brd16; |  | 
| memfn.rd16[0xf8000 >> 15] = mm->ird16; |  | 
|  |  | 
| memfn.wr16[0xd0000 >> 15] = mm->ewr16; |  | 
| memfn.wr16[0xd8000 >> 15] = mm->ewr16; |  | 
| memfn.wr16[0xe8000 >> 15] = mm->bwr16; |  | 
| memfn.wr16[0xf0000 >> 15] = mm->bwr16; |  | 
| memfn.wr16[0xf8000 >> 15] = mm->bwr16; |  | 
| } |  | 
|  |  | 
| void MEMCALL i286_vram_dispatch(UINT func) { |  | 
|  |  | 
| const VACCTBL   *vacc; |  | 
|  |  | 
| vacc = vacctbl + (func & 0x0f); |  | 
| #if defined(SUPPORT_PC9821) |  | 
| if (!(func & 0x20)) { |  | 
| #endif |  | 
| memfn.rd8[0xa8000 >> 15] = vacc->rd8; |  | 
| memfn.rd8[0xb0000 >> 15] = vacc->rd8; |  | 
| memfn.rd8[0xb8000 >> 15] = vacc->rd8; |  | 
| memfn.rd8[0xe0000 >> 15] = vacc->rd8; |  | 
|  |  | 
| memfn.wr8[0xa8000 >> 15] = vacc->wr8; |  | 
| memfn.wr8[0xb0000 >> 15] = vacc->wr8; |  | 
| memfn.wr8[0xb8000 >> 15] = vacc->wr8; |  | 
| memfn.wr8[0xe0000 >> 15] = vacc->wr8; |  | 
|  |  | 
| memfn.rd16[0xa8000 >> 15] = vacc->rd16; |  | 
| memfn.rd16[0xb0000 >> 15] = vacc->rd16; |  | 
| memfn.rd16[0xb8000 >> 15] = vacc->rd16; |  | 
| memfn.rd16[0xe0000 >> 15] = vacc->rd16; |  | 
|  |  | 
| memfn.wr16[0xa8000 >> 15] = vacc->wr16; |  | 
| memfn.wr16[0xb0000 >> 15] = vacc->wr16; |  | 
| memfn.wr16[0xb8000 >> 15] = vacc->wr16; |  | 
| memfn.wr16[0xe0000 >> 15] = vacc->wr16; |  | 
|  |  | 
| if (!(func & 0x10)) {                                                   // digital |  | 
| memfn.wr8[0xe0000 >> 15] = i286_wn; |  | 
| memfn.wr16[0xe0000 >> 15] = i286w_wn; |  | 
| memfn.rd8[0xe0000 >> 15] = i286_nonram_r; |  | 
| memfn.rd16[0xe0000 >> 15] = i286_nonram_rw; |  | 
 | } | } | 
| #if defined(SUPPORT_PC9821) | else if (address < 0x01000000) { | 
| } | return(memfnf.rd8[(address >> 17) & 7](address)); | 
| else { |  | 
| memfn.rd8[0xa8000 >> 15] = mem9821_b0r; |  | 
| memfn.rd8[0xb0000 >> 15] = mem9821_b0r; |  | 
| memfn.rd8[0xb8000 >> 15] = vacc->rd8; |  | 
| memfn.rd8[0xe0000 >> 15] = mem9821_b2r; |  | 
|  |  | 
| memfn.wr8[0xa8000 >> 15] = mem9821_b0w; |  | 
| memfn.wr8[0xb0000 >> 15] = mem9821_b0w; |  | 
| memfn.wr8[0xb8000 >> 15] = vacc->wr8; |  | 
| memfn.wr8[0xe0000 >> 15] = mem9821_b2w; |  | 
|  |  | 
| memfn.rd16[0xa8000 >> 15] = mem9821_b0rw; |  | 
| memfn.rd16[0xb0000 >> 15] = mem9821_b0rw; |  | 
| memfn.rd16[0xb8000 >> 15] = vacc->rd16; |  | 
| memfn.rd16[0xe0000 >> 15] = mem9821_b2rw; |  | 
|  |  | 
| memfn.wr16[0xa8000 >> 15] = mem9821_b0ww; |  | 
| memfn.wr16[0xb0000 >> 15] = mem9821_b0ww; |  | 
| memfn.wr16[0xb8000 >> 15] = vacc->wr16; |  | 
| memfn.wr16[0xe0000 >> 15] = mem9821_b2ww; |  | 
| } |  | 
| #endif |  | 
| } |  | 
|  |  | 
|  |  | 
| REG8 MEMCALL i286_memoryread(UINT32 addr) { |  | 
|  |  | 
| UINT32  pos; |  | 
|  |  | 
| if (addr < I286_MEMREADMAX) { |  | 
| return(mem[addr]); |  | 
| } |  | 
| else if (addr >= USE_HIMEM) { |  | 
| pos = (addr & CPU_ADRSMASK) - 0x100000; |  | 
| if (pos < CPU_EXTMEMSIZE) { |  | 
| return(CPU_EXTMEM[pos]); |  | 
 | } | } | 
| else if ((addr >= 0x00fa0000) && (addr < 0x01000000)) { | #if defined(CPU_EXTLIMIT) | 
| return(memfn.rd8[(addr >> 15) & 0x1f](addr - 0x00f00000)); | else if (address < CPU_EXTLIMIT) { | 
|  | return(CPU_EXTMEMBASE[address]); | 
 | } | } | 
 |  | #endif  // defined(CPU_EXTLIMIT) | 
 | #if defined(SUPPORT_PC9821) | #if defined(SUPPORT_PC9821) | 
| else if (addr >= 0xfff00000) { | else if ((address >= 0xfff00000) && (address < 0xfff80000)) { | 
| return(mem9821_r(addr)); | return(memvgaf_rd8(address)); | 
 | } | } | 
| #endif | #endif  // defined(SUPPORT_PC9821) | 
 | else { | else { | 
 |  | //                      TRACEOUT(("out of mem (read8): %x", address)); | 
 | return(0xff); | return(0xff); | 
 | } | } | 
 | } | } | 
 | else { |  | 
 | return(memfn.rd8[(addr >> 15) & 0x1f](addr)); |  | 
 | } |  | 
 | } | } | 
 |  |  | 
| REG16 MEMCALL i286_memoryread_w(UINT32 addr) { | REG16 MEMCALL memp_read16(UINT32 address) { | 
 |  |  | 
 | UINT32  pos; |  | 
 | REG16   ret; | REG16   ret; | 
 |  |  | 
| if (addr < (I286_MEMREADMAX - 1)) { | if (address < (I286_MEMREADMAX - 1)) { | 
| return(LOADINTELWORD(mem + addr)); | return(LOADINTELWORD(mem + address)); | 
 | } | } | 
| else if ((addr + 1) & 0x7fff) {                         // non 32kb boundary | else if ((address + 1) & 0x7fff) {                      // non 32kb boundary | 
| if (addr >= USE_HIMEM) { | address = address & CPU_ADRSMASK; | 
| pos = (addr & CPU_ADRSMASK) - 0x100000; | if (address < USE_HIMEM) { | 
| if (pos < CPU_EXTMEMSIZE) { | return(memfn0.rd16[address >> 15](address)); | 
| return(LOADINTELWORD(CPU_EXTMEM + pos)); | } | 
| } | else if (address < CPU_EXTLIMIT16) { | 
| else if ((addr >= 0x00fa0000) && (addr < 0x01000000)) { | return(LOADINTELWORD(CPU_EXTMEMBASE + address)); | 
| return(memfn.rd16[(addr >> 15) & 0x1f](addr - 0x00f00000)); | } | 
| } | else if (address < 0x00f00000) { | 
|  | return(0xffff); | 
|  | } | 
|  | else if (address < 0x01000000) { | 
|  | return(memfnf.rd16[(address >> 17) & 7](address)); | 
|  | } | 
|  | #if defined(CPU_EXTLIMIT) | 
|  | else if (address < CPU_EXTLIMIT) { | 
|  | return(LOADINTELWORD(CPU_EXTMEMBASE + address)); | 
|  | } | 
|  | #endif  // defined(CPU_EXTLIMIT) | 
 | #if defined(SUPPORT_PC9821) | #if defined(SUPPORT_PC9821) | 
| else if (addr >= 0xfff00000) { | else if ((address >= 0xfff00000) && (address < 0xfff80000)) { | 
| return(mem9821_rw(addr)); | return(memvgaf_rd16(address)); | 
| } | } | 
| #endif | #endif  // defined(SUPPORT_PC9821) | 
| else { | else { | 
| return(0xffff); | //                      TRACEOUT(("out of mem (read16): %x", address)); | 
| } | return(0xffff); | 
 | } | } | 
 | return(memfn.rd16[(addr >> 15) & 0x1f](addr)); |  | 
 | } | } | 
 | else { | else { | 
| ret = i286_memoryread(addr); | ret = memp_read8(address + 0); | 
| ret += (REG16)(i286_memoryread(addr + 1) << 8); | ret += (REG16)(memp_read8(address + 1) << 8); | 
 | return(ret); | return(ret); | 
 | } | } | 
 | } | } | 
 |  |  | 
| UINT32 MEMCALL i286_memoryread_d(UINT32 addr) { | UINT32 MEMCALL memp_read32(UINT32 address) { | 
 |  |  | 
 | UINT32  pos; | UINT32  pos; | 
 | UINT32  ret; | UINT32  ret; | 
 |  |  | 
| if (addr < (I286_MEMREADMAX - 3)) { | if (address < (I286_MEMREADMAX - 3)) { | 
| return(LOADINTELDWORD(mem + addr)); | return(LOADINTELDWORD(mem + address)); | 
 | } | } | 
| else if (addr >= USE_HIMEM) { | else if (address >= USE_HIMEM) { | 
| pos = (addr & CPU_ADRSMASK) - 0x100000; | pos = address & CPU_ADRSMASK; | 
| if ((pos + 3) < CPU_EXTMEMSIZE) { | if ((pos >= USE_HIMEM) && ((pos + 3) < CPU_EXTLIMIT16)) { | 
| return(LOADINTELDWORD(CPU_EXTMEM + pos)); | return(LOADINTELDWORD(CPU_EXTMEMBASE + pos)); | 
 | } | } | 
 | } | } | 
| if (!(addr & 1)) { | if (!(address & 1)) { | 
| ret = i286_memoryread_w(addr); | ret = memp_read16(address + 0); | 
| ret += (UINT32)i286_memoryread_w(addr + 2) << 16; | ret += (UINT32)memp_read16(address + 2) << 16; | 
 | } | } | 
 | else { | else { | 
| ret = i286_memoryread(addr); | ret = memp_read8(address + 0); | 
| ret += (UINT32)i286_memoryread_w(addr + 1) << 8; | ret += (UINT32)memp_read16(address + 1) << 8; | 
| ret += (UINT32)i286_memoryread(addr + 3) << 24; | ret += (UINT32)memp_read8(address + 3) << 24; | 
 | } | } | 
 | return(ret); | return(ret); | 
 | } | } | 
 |  |  | 
| void MEMCALL i286_memorywrite(UINT32 addr, REG8 value) { | void MEMCALL memp_write8(UINT32 address, REG8 value) { | 
|  |  | 
| UINT32  pos; |  | 
 |  |  | 
| if (addr < I286_MEMWRITEMAX) { | if (address < I286_MEMWRITEMAX) { | 
| mem[addr] = (BYTE)value; | mem[address] = (UINT8)value; | 
 | } | } | 
| else if (addr >= USE_HIMEM) { | else { | 
| pos = (addr & CPU_ADRSMASK) - 0x100000; | address = address & CPU_ADRSMASK; | 
| if (pos < CPU_EXTMEMSIZE) { | if (address < USE_HIMEM) { | 
| CPU_EXTMEM[pos] = (BYTE)value; | memfn0.wr8[address >> 15](address, value); | 
|  | } | 
|  | else if (address < CPU_EXTLIMIT16) { | 
|  | CPU_EXTMEMBASE[address] = (UINT8)value; | 
 | } | } | 
| else if ((addr >= 0x00fa0000) && (addr < 0x01000000)) { | else if (address < 0x00f00000) { | 
| memfn.wr8[(addr >> 15) & 0x1f](addr - 0x00f00000, value); |  | 
 | } | } | 
 |  | else if (address < 0x01000000) { | 
 |  | memfnf.wr8[(address >> 17) & 7](address, value); | 
 |  | } | 
 |  | #if defined(CPU_EXTLIMIT) | 
 |  | else if (address < CPU_EXTLIMIT) { | 
 |  | CPU_EXTMEMBASE[address] = (UINT8)value; | 
 |  | } | 
 |  | #endif  // defined(CPU_EXTLIMIT) | 
 | #if defined(SUPPORT_PC9821) | #if defined(SUPPORT_PC9821) | 
| else if (addr >= 0xfff00000) { | else if ((address >= 0xfff00000) && (address < 0xfff80000)) { | 
| mem9821_w(addr, value); | memvgaf_wr8(address, value); | 
|  | } | 
|  | #endif  // defined(SUPPORT_PC9821) | 
|  | else { | 
|  | //                      TRACEOUT(("out of mem (write8): %x", address)); | 
 | } | } | 
 | #endif |  | 
 | } |  | 
 | else { |  | 
 | memfn.wr8[(addr >> 15) & 0x1f](addr, value); |  | 
 | } | } | 
 | } | } | 
 |  |  | 
| void MEMCALL i286_memorywrite_w(UINT32 addr, REG16 value) { | void MEMCALL memp_write16(UINT32 address, REG16 value) { | 
|  |  | 
| UINT32  pos; |  | 
 |  |  | 
| if (addr < (I286_MEMWRITEMAX - 1)) { | if (address < (I286_MEMWRITEMAX - 1)) { | 
| STOREINTELWORD(mem + addr, value); | STOREINTELWORD(mem + address, value); | 
 | } | } | 
| else if ((addr + 1) & 0x7fff) {                         // non 32kb boundary | else if ((address + 1) & 0x7fff) {                      // non 32kb boundary | 
| if (addr >= USE_HIMEM) { | address = address & CPU_ADRSMASK; | 
| pos = (addr & CPU_ADRSMASK) - 0x100000; | if (address < USE_HIMEM) { | 
| if (pos < CPU_EXTMEMSIZE) { | memfn0.wr16[address >> 15](address, value); | 
| STOREINTELWORD(CPU_EXTMEM + pos, value); | } | 
| } | else if (address < CPU_EXTLIMIT16) { | 
| else if ((addr >= 0x00fa0000) && (addr < 0x01000000)) { | STOREINTELWORD(CPU_EXTMEMBASE + address, value); | 
| memfn.wr16[(addr >> 15) & 0x1f](addr - 0x00f00000, value); | } | 
| } | else if (address < 0x00f00000) { | 
|  | } | 
|  | else if (address < 0x01000000) { | 
|  | memfnf.wr16[(address >> 17) & 7](address, value); | 
|  | } | 
|  | #if defined(CPU_EXTLIMIT) | 
|  | else if (address < CPU_EXTLIMIT) { | 
|  | STOREINTELWORD(CPU_EXTMEMBASE + address, value); | 
|  | } | 
|  | #endif  // defined(CPU_EXTLIMIT) | 
 | #if defined(SUPPORT_PC9821) | #if defined(SUPPORT_PC9821) | 
| else if (addr >= 0xfff00000) { | else if ((address >= 0xfff00000) && (address < 0xfff80000)) { | 
| mem9821_ww(addr, value); | memvgaf_wr16(address, value); | 
| } |  | 
| #endif |  | 
 | } | } | 
 |  | #endif  // defined(SUPPORT_PC9821) | 
 | else { | else { | 
| memfn.wr16[(addr >> 15) & 0x1f](addr, value); | //                      TRACEOUT(("out of mem (write16): %x", address)); | 
 | } | } | 
 | } | } | 
 | else { | else { | 
| i286_memorywrite(addr, (UINT8)value); | memp_write8(address + 0, (UINT8)value); | 
| i286_memorywrite(addr + 1, (UINT8)(value >> 8)); | memp_write8(address + 1, (UINT8)(value >> 8)); | 
 | } | } | 
 | } | } | 
 |  |  | 
| void MEMCALL i286_memorywrite_d(UINT32 addr, UINT32 value) { | void MEMCALL memp_write32(UINT32 address, UINT32 value) { | 
 |  |  | 
 | UINT32  pos; | UINT32  pos; | 
 |  |  | 
| if (addr < (I286_MEMWRITEMAX - 3)) { | if (address < (I286_MEMWRITEMAX - 3)) { | 
| STOREINTELDWORD(mem + addr, value); | STOREINTELDWORD(mem + address, value); | 
 | return; | return; | 
 | } | } | 
| else if (addr >= USE_HIMEM) { | else if (address >= USE_HIMEM) { | 
| pos = (addr & CPU_ADRSMASK) - 0x100000; | pos = address & CPU_ADRSMASK; | 
| if ((pos + 3) < CPU_EXTMEMSIZE) { | if ((pos >= USE_HIMEM) && ((pos + 3) < CPU_EXTLIMIT16)) { | 
| STOREINTELDWORD(CPU_EXTMEM + pos, value); | STOREINTELDWORD(CPU_EXTMEMBASE + pos, value); | 
 | return; | return; | 
 | } | } | 
 | } | } | 
| if (!(addr & 1)) { | if (!(address & 1)) { | 
| i286_memorywrite_w(addr, (UINT16)value); | memp_write16(address + 0, (UINT16)value); | 
| i286_memorywrite_w(addr + 2, (UINT16)(value >> 16)); | memp_write16(address + 2, (UINT16)(value >> 16)); | 
 | } | } | 
 | else { | else { | 
| i286_memorywrite(addr, (UINT8)value); | memp_write8(address + 0, (UINT8)value); | 
| i286_memorywrite_w(addr + 1, (UINT16)(value >> 8)); | memp_write16(address + 1, (UINT16)(value >> 8)); | 
| i286_memorywrite(addr + 3, (UINT8)(value >> 24)); | memp_write8(address + 3, (UINT8)(value >> 24)); | 
 | } | } | 
 | } | } | 
 |  |  | 
 | #if 0 |  | 
 | REG8 MEMCALL i286_membyte_read(UINT seg, UINT off) { |  | 
 |  |  | 
| UINT32  address; | void MEMCALL memp_reads(UINT32 address, void *dat, UINT leng) { | 
 |  |  | 
| address = (seg << 4) + LOW16(off); | UINT8 *out = (UINT8 *)dat; | 
| if (address < I286_MEMREADMAX) { | UINT diff; | 
| return(mem[address]); |  | 
|  | /* fast memory access */ | 
|  | if ((address + leng) < I286_MEMREADMAX) { | 
|  | CopyMemory(dat, mem + address, leng); | 
|  | return; | 
 | } | } | 
| else { | address = address & CPU_ADRSMASK; | 
| return(i286_memoryread(address)); | if ((address >= USE_HIMEM) && (address < CPU_EXTLIMIT16)) { | 
|  | diff = CPU_EXTLIMIT16 - address; | 
|  | if (diff >= leng) { | 
|  | CopyMemory(dat, CPU_EXTMEMBASE + address, leng); | 
|  | return; | 
|  | } | 
|  | CopyMemory(dat, CPU_EXTMEMBASE + address, diff); | 
|  | out += diff; | 
|  | leng -= diff; | 
|  | address += diff; | 
|  | } | 
|  |  | 
|  | /* slow memory access */ | 
|  | while (leng-- > 0) { | 
|  | *out++ = memp_read8(address++); | 
 | } | } | 
 | } | } | 
 |  |  | 
| REG16 MEMCALL i286_memword_read(UINT seg, UINT off) { | void MEMCALL memp_writes(UINT32 address, const void *dat, UINT leng) { | 
 |  |  | 
| UINT32  address; | const UINT8 *out = dat; | 
|  | UINT diff; | 
 |  |  | 
| address = (seg << 4) + LOW16(off); | /* fast memory access */ | 
| if (address < (I286_MEMREADMAX - 1)) { | if ((address + leng) < I286_MEMREADMAX) { | 
| return(LOADINTELWORD(mem + address)); | CopyMemory(mem + address, dat, leng); | 
|  | return; | 
 | } | } | 
| else { | address = address & CPU_ADRSMASK; | 
| return(i286_memoryread_w(address)); | if ((address >= USE_HIMEM) && (address < CPU_EXTLIMIT16)) { | 
|  | diff = CPU_EXTLIMIT16 - address; | 
|  | if (diff >= leng) { | 
|  | CopyMemory(CPU_EXTMEMBASE + address, dat, leng); | 
|  | return; | 
|  | } | 
|  | CopyMemory(CPU_EXTMEMBASE + address, dat, diff); | 
|  | out += diff; | 
|  | leng -= diff; | 
|  | address += diff; | 
|  | } | 
|  |  | 
|  | /* slow memory access */ | 
|  | while (leng-- > 0) { | 
|  | memp_write8(address++, *out++); | 
 | } | } | 
 | } | } | 
 |  |  | 
 | void MEMCALL i286_membyte_write(UINT seg, UINT off, REG8 value) { |  | 
 |  |  | 
| UINT32  address; | // ---- Logical Space (BIOS) | 
 |  |  | 
| address = (seg << 4) + LOW16(off); | void MEMCALL meml_reads(UINT32 address, void *dat, UINT leng) { | 
| if (address < I286_MEMWRITEMAX) { |  | 
| mem[address] = (BYTE)value; | if (!CPU_STAT_PM) { | 
|  | memp_reads(address, dat, leng); | 
|  | } | 
|  | else if (CPU_STAT_VM86) { | 
|  | cpu_memory_access_la_region(address, leng, | 
|  | CPU_PAGE_READ_DATA | CPU_PAGE_USER_MODE, dat); | 
 | } | } | 
 | else { | else { | 
| i286_memorywrite(address, value); | ia32_panic("meml_reads: call from BIOS, but protected mode"); | 
 | } | } | 
 | } | } | 
 |  |  | 
| void MEMCALL i286_memword_write(UINT seg, UINT off, REG16 value) { | void MEMCALL meml_writes(UINT32 address, const void *dat, UINT leng) { | 
|  |  | 
| UINT32  address; |  | 
 |  |  | 
| address = (seg << 4) + LOW16(off); | if (!CPU_STAT_PM) { | 
| if (address < (I286_MEMWRITEMAX - 1)) { | memp_writes(address, dat, leng); | 
| STOREINTELWORD(mem + address, value); | } | 
|  | else if (CPU_STAT_VM86) { | 
|  | cpu_memory_access_la_region(address, leng, | 
|  | CPU_PAGE_WRITE_DATA | CPU_PAGE_USER_MODE, (UINT8 *)dat); | 
 | } | } | 
 | else { | else { | 
| i286_memorywrite_w(address, value); | ia32_panic("meml_writes: call from BIOS, but protected mode"); | 
 | } | } | 
 | } | } | 
 | #endif |  | 
 |  |  | 
 | void MEMCALL memp_read(UINT32 address, void *dat, UINT leng) { |  | 
 |  |  | 
| BYTE *out = (BYTE *)dat; | REG8 MEMCALL memr_read8(UINT seg, UINT off) { | 
| UINT pos; |  | 
| UINT diff; |  | 
 |  |  | 
| /* fast memory access */ | UINT32  addr; | 
| if (address + leng < I286_MEMREADMAX) { |  | 
| CopyMemory(dat, mem + address, leng); |  | 
| return; |  | 
| } else if (address >= USE_HIMEM) { |  | 
| pos = (address & CPU_ADRSMASK) - 0x100000; |  | 
| if (pos + leng < CPU_EXTMEMSIZE) { |  | 
| CopyMemory(dat, CPU_EXTMEM + pos, leng); |  | 
| return; |  | 
| } |  | 
| if (pos < CPU_EXTMEMSIZE) { |  | 
| diff = CPU_EXTMEMSIZE - pos; |  | 
| CopyMemory(out, CPU_EXTMEM + pos, diff); |  | 
| out += diff; |  | 
| leng -= diff; |  | 
| address += diff; |  | 
| } |  | 
| } |  | 
 |  |  | 
| /* slow memory access */ | addr = (seg << 4) + LOW16(off); | 
| while (leng-- > 0) { | if (!CPU_STAT_PM) { | 
| *out++ = i286_memoryread(address++); | return(memp_read8(addr)); | 
|  | } | 
|  | else if (CPU_STAT_VM86) { | 
|  | return(cpu_linear_memory_read_b(addr, | 
|  | CPU_PAGE_READ_DATA | CPU_PAGE_USER_MODE)); | 
|  | } | 
|  | else { | 
|  | ia32_panic("memr_read8: call from BIOS, but protected mode"); | 
|  | return(0xff); | 
 | } | } | 
 | } | } | 
 |  |  | 
| void MEMCALL memp_write(UINT32 address, const void *dat, UINT leng) { | REG16 MEMCALL memr_read16(UINT seg, UINT off) { | 
 |  |  | 
| const BYTE *out = (BYTE *)dat; | UINT32  addr; | 
| UINT pos; |  | 
| UINT diff; |  | 
 |  |  | 
| /* fast memory access */ | addr = (seg << 4) + LOW16(off); | 
| if (address + leng < I286_MEMREADMAX) { | if (!CPU_STAT_PM) { | 
| CopyMemory(mem + address, dat, leng); | return(memp_read16(addr)); | 
| return; |  | 
| } else if (address >= USE_HIMEM) { |  | 
| pos = (address & CPU_ADRSMASK) - 0x100000; |  | 
| if (pos + leng < CPU_EXTMEMSIZE) { |  | 
| CopyMemory(CPU_EXTMEM + pos, dat, leng); |  | 
| return; |  | 
| } |  | 
| if (pos < CPU_EXTMEMSIZE) { |  | 
| diff = CPU_EXTMEMSIZE - pos; |  | 
| CopyMemory(CPU_EXTMEM + pos, dat, diff); |  | 
| out += diff; |  | 
| leng -= diff; |  | 
| address += diff; |  | 
| } |  | 
 | } | } | 
|  | else if (CPU_STAT_VM86) { | 
| /* slow memory access */ | return(cpu_linear_memory_read_w(addr, | 
| while (leng-- > 0) { | CPU_PAGE_READ_DATA | CPU_PAGE_USER_MODE)); | 
| i286_memorywrite(address++, *out++); | } | 
|  | else { | 
|  | ia32_panic("memr_read16: call from BIOS, but protected mode"); | 
|  | return(0xffff); | 
 | } | } | 
 | } | } | 
 |  |  | 
 |  | void MEMCALL memr_write8(UINT seg, UINT off, REG8 dat) { | 
 |  |  | 
| // ---- Logical Space (BIOS) | UINT32  addr; | 
|  |  | 
| static UINT32 physicaladdr(UINT32 addr) { |  | 
 |  |  | 
| UINT32  pde; | addr = (seg << 4) + LOW16(off); | 
| UINT32  pte; | if (!CPU_STAT_PM) { | 
|  | memp_write8(addr, dat); | 
| if (CPU_STAT_PAGING) { | } | 
| pde = i286_memoryread_d(CPU_STAT_PDE_BASE + ((addr >> 20) & 0xffc)); | else if (CPU_STAT_VM86) { | 
| if (!(pde & CPU_PDE_PRESENT)) { | cpu_linear_memory_write_b(addr, dat, | 
| goto retdummy; | CPU_PAGE_WRITE_DATA | CPU_PAGE_USER_MODE); | 
| } | } | 
| pte = cpu_memoryread_d((pde & CPU_PDE_BASEADDR_MASK) + ((addr >> 10) & 0xffc)); | else { | 
| if (!(pte & CPU_PTE_PRESENT)) { | ia32_panic("memr_write8: call from BIOS, but protected mode"); | 
| goto retdummy; |  | 
| } |  | 
| addr = (pte & CPU_PTE_BASEADDR_MASK) + (addr & 0x00000fff); |  | 
 | } | } | 
 | return(addr); |  | 
 |  |  | 
 | retdummy: |  | 
 | return(0x01000000);             // てきとーにメモリが存在しない場所 |  | 
 | } | } | 
 |  |  | 
| void MEMCALL meml_readstr(UINT seg, UINT off, void *dat, UINT leng) { | void MEMCALL memr_write16(UINT seg, UINT off, REG16 dat) { | 
 |  |  | 
| UINT32  adrs; | UINT32  addr; | 
| UINT    size; |  | 
 |  |  | 
| while(leng) { | addr = (seg << 4) + LOW16(off); | 
| off = LOW16(off); | if (!CPU_STAT_PM) { | 
| adrs = (seg << 4) + off; | memp_write16(addr, dat); | 
| size = 0x1000 - (adrs & 0xfff); | } | 
| size = min(size, leng); | else if (CPU_STAT_VM86) { | 
| size = min(size, 0x10000 - off); | cpu_linear_memory_write_w(addr, dat, | 
| memp_read(physicaladdr(adrs), dat, size); | CPU_PAGE_WRITE_DATA | CPU_PAGE_USER_MODE); | 
| off += size; | } | 
| dat = ((BYTE *)dat) + size; | else { | 
| leng -= size; | ia32_panic("memr_write16: call from BIOS, but protected mode"); | 
 | } | } | 
 | } | } | 
 |  |  | 
| void MEMCALL meml_writestr(UINT seg, UINT off, const void *dat, UINT leng) { | void MEMCALL memr_reads(UINT seg, UINT off, void *dat, UINT leng) { | 
 |  |  | 
| UINT32  adrs; | UINT8   *in = dat; | 
|  | UINT32  addr; | 
|  | UINT    rem; | 
 | UINT    size; | UINT    size; | 
 |  |  | 
 |  | if (CPU_STAT_PM && !CPU_STAT_VM86) { | 
 |  | ia32_panic("memr_reads: call from BIOS, but protected mode"); | 
 |  | return; | 
 |  | } | 
 |  |  | 
 | while(leng) { | while(leng) { | 
 | off = LOW16(off); | off = LOW16(off); | 
| adrs = (seg << 4) + off; | addr = (seg << 4) + off; | 
| size = 0x1000 - (adrs & 0xfff); | rem = 0x10000 - off; | 
| size = min(size, leng); | size = min(leng, rem); | 
| size = min(size, 0x10000 - off); | if (!CPU_STAT_PM) { | 
| memp_write(physicaladdr(adrs), dat, size); | memp_reads(addr, in, size); | 
|  | } | 
|  | else { | 
|  | /* VM86 */ | 
|  | rem = CPU_PAGE_SIZE - (addr & CPU_PAGE_MASK); | 
|  | size = min(size, rem); | 
|  | cpu_memory_access_la_region(addr, size, | 
|  | CPU_PAGE_READ_DATA | CPU_PAGE_USER_MODE, in); | 
|  | } | 
 | off += size; | off += size; | 
| dat = ((BYTE *)dat) + size; | in += size; | 
 | leng -= size; | leng -= size; | 
 | } | } | 
 | } | } | 
 |  |  | 
| void MEMCALL meml_read(UINT32 address, void *dat, UINT leng) { | void MEMCALL memr_writes(UINT seg, UINT off, const void *dat, UINT leng) { | 
 |  |  | 
| UINT    size; | const UINT8     *out = dat; | 
|  | UINT32          addr; | 
|  | UINT            rem; | 
|  | UINT            size; | 
 |  |  | 
| while(leng) { | if (CPU_STAT_PM && !CPU_STAT_VM86) { | 
| size = 0x1000 - (address & 0xfff); | ia32_panic("memr_writes: call from BIOS, but protected mode"); | 
| size = min(size, leng); | return; | 
| memp_read(physicaladdr(address), dat, size); |  | 
| address += size; |  | 
| dat = ((BYTE *)dat) + size; |  | 
| leng -= size; |  | 
 | } | } | 
 | } |  | 
 |  |  | 
 | void MEMCALL meml_write(UINT32 address, const void *dat, UINT leng) { |  | 
 |  |  | 
 | UINT    size; |  | 
 |  |  | 
 | while(leng) { | while(leng) { | 
| size = 0x1000 - (address & 0xfff); | off = LOW16(off); | 
| size = min(size, leng); | addr = (seg << 4) + off; | 
| memp_write(physicaladdr(address), dat, size); | rem = 0x10000 - off; | 
| address += size; | size = min(leng, rem); | 
| dat = ((BYTE *)dat) + size; | if (!CPU_STAT_PM) { | 
|  | memp_writes(addr, out, size); | 
|  | } | 
|  | else { | 
|  | /* VM86 */ | 
|  | rem = CPU_PAGE_SIZE - (addr & CPU_PAGE_MASK); | 
|  | size = min(size, rem); | 
|  | cpu_memory_access_la_region(addr, size, | 
|  | CPU_PAGE_WRITE_DATA | CPU_PAGE_USER_MODE, (UINT8 *)out); | 
|  | } | 
|  | off += size; | 
|  | out += size; | 
 | leng -= size; | leng -= size; | 
 | } | } | 
 | } | } | 
 |  |  | 
 | #endif | #endif | 
 |  |  |