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| version 1.31, 2005/03/16 03:53:45 | version 1.36, 2012/01/23 05:18:09 |
|---|---|
| Line 20 | Line 20 |
| UINT8 mem[0x200000]; | UINT8 mem[0x200000]; |
| 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); | |
| // ---- MAIN | // ---- MAIN |
| static REG8 MEMCALL memmain_rd8(UINT32 address) { | static REG8 MEMCALL memmain_rd8(UINT32 address) { |
| return(mem[address & CPU_ADRSMASK]); | return(mem[address]); |
| } | } |
| static REG16 MEMCALL memmain_rd16(UINT32 address) { | static REG16 MEMCALL memmain_rd16(UINT32 address) { |
| const UINT8 *ptr; | const UINT8 *ptr; |
| ptr = mem + (address & CPU_ADRSMASK); | ptr = mem + address; |
| return(LOADINTELWORD(ptr)); | return(LOADINTELWORD(ptr)); |
| } | } |
| static void MEMCALL memmain_wr8(UINT32 address, REG8 value) { | static void MEMCALL memmain_wr8(UINT32 address, REG8 value) { |
| mem[address & CPU_ADRSMASK] = (UINT8)value; | mem[address] = (UINT8)value; |
| } | } |
| static void MEMCALL memmain_wr16(UINT32 address, REG16 value) { | static void MEMCALL memmain_wr16(UINT32 address, REG16 value) { |
| UINT8 *ptr; | UINT8 *ptr; |
| ptr = mem + (address & CPU_ADRSMASK); | ptr = mem + address; |
| STOREINTELWORD(ptr, value); | STOREINTELWORD(ptr, value); |
| } | } |
| Line 76 static void MEMCALL memnc_wr16(UINT32 ad | Line 82 static void MEMCALL memnc_wr16(UINT32 ad |
| } | } |
| // ---- table | // ---- memory 000000-0ffffff + 64KB |
| 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 { | typedef struct { |
| MEM8READ rd8[0x20]; | MEM8READ rd8[0x22]; |
| MEM8WRITE wr8[0x20]; | MEM8WRITE wr8[0x22]; |
| MEM16READ rd16[0x20]; | MEM16READ rd16[0x22]; |
| MEM16WRITE wr16[0x20]; | MEM16WRITE wr16[0x22]; |
| } MEMFN0; | } MEMFN0; |
| typedef struct { | typedef struct { |
| Line 114 static MEMFN0 memfn0 = { | Line 115 static MEMFN0 memfn0 = { |
| memmain_rd8, memmain_rd8, memmain_rd8, memmain_rd8, // 80 | memmain_rd8, memmain_rd8, memmain_rd8, memmain_rd8, // 80 |
| memtram_rd8, memvram0_rd8, memvram0_rd8, memvram0_rd8, // a0 | memtram_rd8, memvram0_rd8, memvram0_rd8, memvram0_rd8, // a0 |
| memems_rd8, memems_rd8, memmain_rd8, memmain_rd8, // c0 | memems_rd8, memems_rd8, memmain_rd8, memmain_rd8, // c0 |
| memvram0_rd8, memmain_rd8, memmain_rd8, memf800_rd8}, // e0 | memvram0_rd8, memmain_rd8, memmain_rd8, memf800_rd8, // e0 |
| memmain_rd8, memmain_rd8}, | |
| {memmain_wr8, memmain_wr8, memmain_wr8, memmain_wr8, // 00 | {memmain_wr8, memmain_wr8, memmain_wr8, memmain_wr8, // 00 |
| memmain_wr8, memmain_wr8, memmain_wr8, memmain_wr8, // 20 | memmain_wr8, memmain_wr8, memmain_wr8, memmain_wr8, // 20 |
| Line 123 static MEMFN0 memfn0 = { | Line 125 static MEMFN0 memfn0 = { |
| memmain_wr8, memmain_wr8, memmain_wr8, memmain_wr8, // 80 | memmain_wr8, memmain_wr8, memmain_wr8, memmain_wr8, // 80 |
| memtram_wr8, memvram0_wr8, memvram0_wr8, memvram0_wr8, // a0 | memtram_wr8, memvram0_wr8, memvram0_wr8, memvram0_wr8, // a0 |
| memems_wr8, memems_wr8, memd000_wr8, memd000_wr8, // c0 | memems_wr8, memems_wr8, memd000_wr8, memd000_wr8, // c0 |
| memvram0_wr8, memnc_wr8, memnc_wr8, memnc_wr8}, // e0 | 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, // 00 |
| memmain_rd16, memmain_rd16, memmain_rd16, memmain_rd16, // 20 | memmain_rd16, memmain_rd16, memmain_rd16, memmain_rd16, // 20 |
| Line 132 static MEMFN0 memfn0 = { | Line 135 static MEMFN0 memfn0 = { |
| memmain_rd16, memmain_rd16, memmain_rd16, memmain_rd16, // 80 | memmain_rd16, memmain_rd16, memmain_rd16, memmain_rd16, // 80 |
| memtram_rd16, memvram0_rd16, memvram0_rd16, memvram0_rd16, // a0 | memtram_rd16, memvram0_rd16, memvram0_rd16, memvram0_rd16, // a0 |
| memems_rd16, memems_rd16, memmain_rd16, memmain_rd16, // c0 | memems_rd16, memems_rd16, memmain_rd16, memmain_rd16, // c0 |
| memvram0_rd16, memmain_rd16, memmain_rd16, memf800_rd16}, // e0 | 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, // 00 |
| memmain_wr16, memmain_wr16, memmain_wr16, memmain_wr16, // 20 | memmain_wr16, memmain_wr16, memmain_wr16, memmain_wr16, // 20 |
| Line 141 static MEMFN0 memfn0 = { | Line 145 static MEMFN0 memfn0 = { |
| memmain_wr16, memmain_wr16, memmain_wr16, memmain_wr16, // 80 | memmain_wr16, memmain_wr16, memmain_wr16, memmain_wr16, // 80 |
| memtram_wr16, memvram0_wr16, memvram0_wr16, memvram0_wr16, // a0 | memtram_wr16, memvram0_wr16, memvram0_wr16, memvram0_wr16, // a0 |
| memems_wr16, memems_wr16, memd000_wr16, memd000_wr16, // c0 | memems_wr16, memems_wr16, memd000_wr16, memd000_wr16, // c0 |
| memvram0_wr16, memnc_wr16, memnc_wr16, memnc_wr16}}; // e0 | memvram0_wr16, memnc_wr16, memnc_wr16, memnc_wr16, // e0 |
| memmain_wr16, memmain_wr16}}; | |
| static const MMAPTBL mmaptbl[2] = { | static const MMAPTBL mmaptbl[2] = { |
| {memmain_rd8, memf800_rd8, memnc_wr8, | {memmain_rd8, memf800_rd8, memnc_wr8, |
| Line 168 static const VACCTBL vacctbl[0x10] = { | Line 173 static const VACCTBL vacctbl[0x10] = { |
| {memegc_rd8, memegc_wr8, memegc_rd16, memegc_wr16}}; | {memegc_rd8, memegc_wr8, memegc_rd16, memegc_wr16}}; |
| void MEMCALL i286_memorymap(UINT type) { | void MEMCALL memm_arch(UINT type) { |
| const MMAPTBL *mm; | const MMAPTBL *mm; |
| Line 189 const MMAPTBL *mm; | Line 194 const MMAPTBL *mm; |
| memfn0.wr16[0xf8000 >> 15] = mm->bwr16; | memfn0.wr16[0xf8000 >> 15] = mm->bwr16; |
| } | } |
| void MEMCALL i286_vram_dispatch(UINT func) { | void MEMCALL memm_vram(UINT func) { |
| const VACCTBL *vacc; | const VACCTBL *vacc; |
| #if defined(SUPPORT_PC9821) | #if defined(SUPPORT_PC9821) |
| if (!(func & 0x20)) { | if (!(func & 0x20)) { |
| #endif | #endif // defined(SUPPORT_PC9821) |
| vacc = vacctbl + (func & 0x0f); | vacc = vacctbl + (func & 0x0f); |
| memfn0.rd8[0xa8000 >> 15] = vacc->rd8; | memfn0.rd8[0xa8000 >> 15] = vacc->rd8; |
| memfn0.rd8[0xb0000 >> 15] = vacc->rd8; | memfn0.rd8[0xb0000 >> 15] = vacc->rd8; |
| memfn0.rd8[0xb8000 >> 15] = vacc->rd8; | memfn0.rd8[0xb8000 >> 15] = vacc->rd8; |
| Line 217 const VACCTBL *vacc; | Line 223 const VACCTBL *vacc; |
| memfn0.wr16[0xb8000 >> 15] = vacc->wr16; | memfn0.wr16[0xb8000 >> 15] = vacc->wr16; |
| memfn0.wr16[0xe0000 >> 15] = vacc->wr16; | memfn0.wr16[0xe0000 >> 15] = vacc->wr16; |
| if (!(func & 0x10)) { // digital | if (!(func & (1 << VOPBIT_ANALOG))) { // digital |
| memfn0.rd8[0xe0000 >> 15] = memnc_rd8; | memfn0.rd8[0xe0000 >> 15] = memnc_rd8; |
| memfn0.wr8[0xe0000 >> 15] = memnc_wr8; | memfn0.wr8[0xe0000 >> 15] = memnc_wr8; |
| memfn0.rd16[0xe0000 >> 15] = memnc_rd16; | memfn0.rd16[0xe0000 >> 15] = memnc_rd16; |
| Line 227 const VACCTBL *vacc; | Line 233 const VACCTBL *vacc; |
| } | } |
| else { | else { |
| memfn0.rd8[0xa8000 >> 15] = memvga0_rd8; | memfn0.rd8[0xa8000 >> 15] = memvga0_rd8; |
| memfn0.rd8[0xb0000 >> 15] = memvga0_rd8; | memfn0.rd8[0xb0000 >> 15] = memvga1_rd8; |
| memfn0.rd8[0xb8000 >> 15] = memnc_rd8; | memfn0.rd8[0xb8000 >> 15] = memnc_rd8; |
| memfn0.rd8[0xe0000 >> 15] = memvgaio_rd8; | memfn0.rd8[0xe0000 >> 15] = memvgaio_rd8; |
| memfn0.wr8[0xa8000 >> 15] = memvga0_wr8; | memfn0.wr8[0xa8000 >> 15] = memvga0_wr8; |
| memfn0.wr8[0xb0000 >> 15] = memvga0_wr8; | memfn0.wr8[0xb0000 >> 15] = memvga1_wr8; |
| memfn0.wr8[0xb8000 >> 15] = memnc_wr8; | memfn0.wr8[0xb8000 >> 15] = memnc_wr8; |
| memfn0.wr8[0xe0000 >> 15] = memvgaio_wr8; | memfn0.wr8[0xe0000 >> 15] = memvgaio_wr8; |
| memfn0.rd16[0xa8000 >> 15] = memvga0_rd16; | memfn0.rd16[0xa8000 >> 15] = memvga0_rd16; |
| memfn0.rd16[0xb0000 >> 15] = memvga0_rd16; | memfn0.rd16[0xb0000 >> 15] = memvga1_rd16; |
| memfn0.rd16[0xb8000 >> 15] = memnc_rd16; | memfn0.rd16[0xb8000 >> 15] = memnc_rd16; |
| memfn0.rd16[0xe0000 >> 15] = memvgaio_rd16; | memfn0.rd16[0xe0000 >> 15] = memvgaio_rd16; |
| memfn0.wr16[0xa8000 >> 15] = memvga0_wr16; | memfn0.wr16[0xa8000 >> 15] = memvga0_wr16; |
| memfn0.wr16[0xb0000 >> 15] = memvga0_wr16; | memfn0.wr16[0xb0000 >> 15] = memvga1_wr16; |
| memfn0.wr16[0xb8000 >> 15] = memnc_wr16; | memfn0.wr16[0xb8000 >> 15] = memnc_wr16; |
| memfn0.wr16[0xe0000 >> 15] = memvgaio_wr16; | memfn0.wr16[0xe0000 >> 15] = memvgaio_wr16; |
| } | } |
| #endif | #endif // defined(SUPPORT_PC9821) |
| } | } |
| REG8 MEMCALL i286_memoryread(UINT32 addr) { | // ---- memory f00000-fffffff |
| UINT32 pos; | typedef struct { |
| MEM8READ rd8[8]; | |
| MEM8WRITE wr8[8]; | |
| MEM16READ rd16[8]; | |
| MEM16WRITE wr16[8]; | |
| } MEMFNF; | |
| static REG8 MEMCALL memsys_rd8(UINT32 address) { | |
| address -= 0xf00000; | |
| return(memfn0.rd8[address >> 15](address)); | |
| } | |
| static REG16 MEMCALL memsys_rd16(UINT32 address) { | |
| address -= 0xf00000; | |
| return(memfn0.rd16[address >> 15](address)); | |
| } | |
| static void MEMCALL memsys_wr8(UINT32 address, REG8 value) { | |
| if (addr < I286_MEMREADMAX) { | address -= 0xf00000; |
| return(mem[addr]); | memfn0.wr8[address >> 15](address, value); |
| } | |
| static void MEMCALL memsys_wr16(UINT32 address, REG16 value) { | |
| address -= 0xf00000; | |
| memfn0.wr16[address >> 15](address, value); | |
| } | |
| #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 | |
| // ---- | |
| REG8 MEMCALL memp_read8(UINT32 address) { | |
| if (address < I286_MEMREADMAX) { | |
| return(mem[address]); | |
| } | } |
| else if (addr >= USE_HIMEM) { | else { |
| pos = (addr & CPU_ADRSMASK) - 0x100000; | address = address & CPU_ADRSMASK; |
| if (pos < CPU_EXTMEMSIZE) { | if (address < USE_HIMEM) { |
| return(CPU_EXTMEM[pos]); | return(memfn0.rd8[address >> 15](address)); |
| } | } |
| else if ((addr >= 0x00fa0000) && (addr < 0x01000000)) { | else if (address < CPU_EXTLIMIT16) { |
| return(memfn0.rd8[(addr >> 15) & 0x1f](addr - 0x00f00000)); | return(CPU_EXTMEMBASE[address]); |
| } | } |
| #if defined(SUPPORT_PC9821) | else if (address < 0x00f00000) { |
| else if ((addr >= 0x00f00000) && (addr < 0x00f80000)) { | return(0xff); |
| return(memvgaf_rd8(addr)); | |
| } | } |
| else if ((addr >= 0xfff00000) && (addr < 0xfff80000)) { | else if (address < 0x01000000) { |
| return(memvgaf_rd8(addr)); | return(memfnf.rd8[(address >> 17) & 7](address)); |
| } | } |
| #endif | #if defined(CPU_EXTLIMIT) |
| else if (address < CPU_EXTLIMIT) { | |
| return(CPU_EXTMEMBASE[address]); | |
| } | |
| #endif // defined(CPU_EXTLIMIT) | |
| #if defined(SUPPORT_PC9821) | |
| else if ((address >= 0xfff00000) && (address < 0xfff80000)) { | |
| return(memvgaf_rd8(address)); | |
| } | |
| #endif // defined(SUPPORT_PC9821) | |
| else { | else { |
| // TRACEOUT(("out of mem (read8): %x", addr)); | // TRACEOUT(("out of mem (read8): %x", address)); |
| return(0xff); | return(0xff); |
| } | } |
| } | } |
| else { | |
| return(memfn0.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(memfn0.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 >= 0x00f00000) && (addr < 0x00f80000)) { | else if ((address >= 0xfff00000) && (address < 0xfff80000)) { |
| return(memvgaf_rd16(addr)); | return(memvgaf_rd16(address)); |
| } | } |
| else if ((addr >= 0xfff00000) && (addr < 0xfff80000)) { | #endif // defined(SUPPORT_PC9821) |
| return(memvgaf_rd16(addr)); | else { |
| } | // TRACEOUT(("out of mem (read16): %x", address)); |
| #endif | return(0xffff); |
| else { | |
| // TRACEOUT(("out of mem (read16): %x", addr)); | |
| return(0xffff); | |
| } | |
| } | } |
| return(memfn0.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] = (UINT8)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] = (UINT8)value; | memfn0.wr8[address >> 15](address, value); |
| } | } |
| else if ((addr >= 0x00fa0000) && (addr < 0x01000000)) { | else if (address < CPU_EXTLIMIT16) { |
| memfn0.wr8[(addr >> 15) & 0x1f](addr - 0x00f00000, value); | CPU_EXTMEMBASE[address] = (UINT8)value; |
| } | } |
| #if defined(SUPPORT_PC9821) | else if (address < 0x00f00000) { |
| else if ((addr >= 0x00f00000) && (addr < 0x00f80000)) { | |
| memvgaf_wr8(addr, value); | |
| } | } |
| else if ((addr >= 0xfff00000) && (addr < 0xfff80000)) { | else if (address < 0x01000000) { |
| memvgaf_wr8(addr, value); | memfnf.wr8[(address >> 17) & 7](address, value); |
| } | } |
| #endif | #if defined(CPU_EXTLIMIT) |
| else if (address < CPU_EXTLIMIT) { | |
| CPU_EXTMEMBASE[address] = (UINT8)value; | |
| } | |
| #endif // defined(CPU_EXTLIMIT) | |
| #if defined(SUPPORT_PC9821) | |
| else if ((address >= 0xfff00000) && (address < 0xfff80000)) { | |
| memvgaf_wr8(address, value); | |
| } | |
| #endif // defined(SUPPORT_PC9821) | |
| else { | else { |
| // TRACEOUT(("out of mem (write8): %x", addr)); | // TRACEOUT(("out of mem (write8): %x", address)); |
| } | } |
| } | } |
| else { | |
| memfn0.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); |
| memfn0.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 >= 0x00f00000) && (addr < 0x00f80000)) { | else if ((address >= 0xfff00000) && (address < 0xfff80000)) { |
| memvgaf_wr16(addr, value); | memvgaf_wr16(address, value); |
| } | |
| else if ((addr >= 0xfff00000) && (addr < 0xfff80000)) { | |
| memvgaf_wr16(addr, value); | |
| } | |
| #endif | |
| else { | |
| // TRACEOUT(("out of mem (write16): %x", addr)); | |
| } | |
| } | } |
| #endif // defined(SUPPORT_PC9821) | |
| else { | else { |
| memfn0.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 { | |
| i286_memorywrite(addr, (UINT8)value); | |
| i286_memorywrite_w(addr + 1, (UINT16)(value >> 8)); | |
| i286_memorywrite(addr + 3, (UINT8)(value >> 24)); | |
| } | |
| } | |
| #if 0 | |
| REG8 MEMCALL i286_membyte_read(UINT seg, UINT off) { | |
| UINT32 address; | |
| address = (seg << 4) + LOW16(off); | |
| if (address < I286_MEMREADMAX) { | |
| return(mem[address]); | |
| } | |
| else { | |
| return(i286_memoryread(address)); | |
| } | |
| } | |
| REG16 MEMCALL i286_memword_read(UINT seg, UINT off) { | |
| UINT32 address; | |
| address = (seg << 4) + LOW16(off); | |
| if (address < (I286_MEMREADMAX - 1)) { | |
| return(LOADINTELWORD(mem + address)); | |
| } | |
| else { | |
| return(i286_memoryread_w(address)); | |
| } | |
| } | |
| void MEMCALL i286_membyte_write(UINT seg, UINT off, REG8 value) { | |
| UINT32 address; | |
| address = (seg << 4) + LOW16(off); | |
| if (address < I286_MEMWRITEMAX) { | |
| mem[address] = (UINT8)value; | |
| } | } |
| else { | else { |
| i286_memorywrite(address, value); | memp_write8(address + 0, (UINT8)value); |
| memp_write16(address + 1, (UINT16)(value >> 8)); | |
| memp_write8(address + 3, (UINT8)(value >> 24)); | |
| } | } |
| } | } |
| void MEMCALL i286_memword_write(UINT seg, UINT off, REG16 value) { | |
| UINT32 address; | |
| address = (seg << 4) + LOW16(off); | |
| if (address < (I286_MEMWRITEMAX - 1)) { | |
| STOREINTELWORD(mem + address, value); | |
| } | |
| else { | |
| i286_memorywrite_w(address, value); | |
| } | |
| } | |
| #endif | |
| void MEMCALL memp_read(UINT32 address, void *dat, UINT leng) { | void MEMCALL memp_reads(UINT32 address, void *dat, UINT leng) { |
| UINT8 *out = (UINT8 *)dat; | UINT8 *out = (UINT8 *)dat; |
| UINT pos; | |
| UINT diff; | UINT diff; |
| /* fast memory access */ | /* fast memory access */ |
| if (address + leng < I286_MEMREADMAX) { | if ((address + leng) < I286_MEMREADMAX) { |
| CopyMemory(dat, mem + address, leng); | CopyMemory(dat, mem + address, leng); |
| return; | return; |
| } else if (address >= USE_HIMEM) { | } |
| pos = (address & CPU_ADRSMASK) - 0x100000; | address = address & CPU_ADRSMASK; |
| if (pos + leng < CPU_EXTMEMSIZE) { | if ((address >= USE_HIMEM) && (address < CPU_EXTLIMIT16)) { |
| CopyMemory(dat, CPU_EXTMEM + pos, leng); | diff = CPU_EXTLIMIT16 - address; |
| if (diff >= leng) { | |
| CopyMemory(dat, CPU_EXTMEMBASE + address, leng); | |
| return; | return; |
| } | } |
| if (pos < CPU_EXTMEMSIZE) { | CopyMemory(dat, CPU_EXTMEMBASE + address, diff); |
| diff = CPU_EXTMEMSIZE - pos; | out += diff; |
| CopyMemory(out, CPU_EXTMEM + pos, diff); | leng -= diff; |
| out += diff; | address += diff; |
| leng -= diff; | |
| address += diff; | |
| } | |
| } | } |
| /* slow memory access */ | /* slow memory access */ |
| while (leng-- > 0) { | while (leng-- > 0) { |
| *out++ = i286_memoryread(address++); | *out++ = memp_read8(address++); |
| } | } |
| } | } |
| void MEMCALL memp_write(UINT32 address, const void *dat, UINT leng) { | void MEMCALL memp_writes(UINT32 address, const void *dat, UINT leng) { |
| const UINT8 *out = (UINT8 *)dat; | const UINT8 *out = dat; |
| UINT pos; | |
| UINT diff; | UINT diff; |
| /* fast memory access */ | /* fast memory access */ |
| if (address + leng < I286_MEMREADMAX) { | if ((address + leng) < I286_MEMREADMAX) { |
| CopyMemory(mem + address, dat, leng); | CopyMemory(mem + address, dat, leng); |
| return; | return; |
| } else if (address >= USE_HIMEM) { | } |
| pos = (address & CPU_ADRSMASK) - 0x100000; | address = address & CPU_ADRSMASK; |
| if (pos + leng < CPU_EXTMEMSIZE) { | if ((address >= USE_HIMEM) && (address < CPU_EXTLIMIT16)) { |
| CopyMemory(CPU_EXTMEM + pos, dat, leng); | diff = CPU_EXTLIMIT16 - address; |
| if (diff >= leng) { | |
| CopyMemory(CPU_EXTMEMBASE + address, dat, leng); | |
| return; | return; |
| } | } |
| if (pos < CPU_EXTMEMSIZE) { | CopyMemory(CPU_EXTMEMBASE + address, dat, diff); |
| diff = CPU_EXTMEMSIZE - pos; | out += diff; |
| CopyMemory(CPU_EXTMEM + pos, dat, diff); | leng -= diff; |
| out += diff; | address += diff; |
| leng -= diff; | |
| address += diff; | |
| } | |
| } | } |
| /* slow memory access */ | /* slow memory access */ |
| while (leng-- > 0) { | while (leng-- > 0) { |
| i286_memorywrite(address++, *out++); | memp_write8(address++, *out++); |
| } | } |
| } | } |
| Line 570 static UINT32 physicaladdr(UINT32 addr, | Line 589 static UINT32 physicaladdr(UINT32 addr, |
| UINT32 pte; | UINT32 pte; |
| a = CPU_STAT_PDE_BASE + ((addr >> 20) & 0xffc); | a = CPU_STAT_PDE_BASE + ((addr >> 20) & 0xffc); |
| pde = i286_memoryread_d(a); | pde = memp_read32(a); |
| if (!(pde & CPU_PDE_PRESENT)) { | if (!(pde & CPU_PDE_PRESENT)) { |
| goto retdummy; | goto retdummy; |
| } | } |
| if (!(pde & CPU_PDE_ACCESS)) { | if (!(pde & CPU_PDE_ACCESS)) { |
| i286_memorywrite(a, (UINT8)(pde | CPU_PDE_ACCESS)); | memp_write8(a, (UINT8)(pde | CPU_PDE_ACCESS)); |
| } | } |
| a = (pde & CPU_PDE_BASEADDR_MASK) + ((addr >> 10) & 0xffc); | a = (pde & CPU_PDE_BASEADDR_MASK) + ((addr >> 10) & 0xffc); |
| pte = cpu_memoryread_d(a); | pte = cpu_memoryread_d(a); |
| Line 583 static UINT32 physicaladdr(UINT32 addr, | Line 602 static UINT32 physicaladdr(UINT32 addr, |
| goto retdummy; | goto retdummy; |
| } | } |
| if (!(pte & CPU_PTE_ACCESS)) { | if (!(pte & CPU_PTE_ACCESS)) { |
| i286_memorywrite(a, (UINT8)(pte | CPU_PTE_ACCESS)); | memp_write8(a, (UINT8)(pte | CPU_PTE_ACCESS)); |
| } | } |
| if ((wr) && (!(pte & CPU_PTE_DIRTY))) { | if ((wr) && (!(pte & CPU_PTE_DIRTY))) { |
| i286_memorywrite(a, (UINT8)(pte | CPU_PTE_DIRTY)); | memp_write8(a, (UINT8)(pte | CPU_PTE_DIRTY)); |
| } | } |
| addr = (pte & CPU_PTE_BASEADDR_MASK) + (addr & 0x00000fff); | addr = (pte & CPU_PTE_BASEADDR_MASK) + (addr & 0x00000fff); |
| return(addr); | return(addr); |
| Line 596 retdummy: | Line 615 retdummy: |
| } | } |
| REG8 MEMCALL meml_read8(UINT seg, UINT off) { | void MEMCALL meml_reads(UINT32 address, void *dat, UINT leng) { |
| UINT size; | |
| if (!CPU_STAT_PAGING) { | |
| memp_reads(address, dat, leng); | |
| } | |
| else { | |
| while(leng) { | |
| size = 0x1000 - (address & 0xfff); | |
| size = min(size, leng); | |
| memp_reads(physicaladdr(address, FALSE), dat, size); | |
| address += size; | |
| dat = ((UINT8 *)dat) + size; | |
| leng -= size; | |
| } | |
| } | |
| } | |
| void MEMCALL meml_writes(UINT32 address, const void *dat, UINT leng) { | |
| const UINT8 *out = dat; | |
| UINT size; | |
| if (!CPU_STAT_PAGING) { | |
| memp_writes(address, out, leng); | |
| } | |
| else { | |
| while(leng) { | |
| size = 0x1000 - (address & 0xfff); | |
| size = min(size, leng); | |
| memp_writes(physicaladdr(address, TRUE), out, size); | |
| address += size; | |
| out += size; | |
| leng -= size; | |
| } | |
| } | |
| } | |
| REG8 MEMCALL memr_read8(UINT seg, UINT off) { | |
| UINT32 addr; | UINT32 addr; |
| Line 604 REG8 MEMCALL meml_read8(UINT seg, UINT o | Line 663 REG8 MEMCALL meml_read8(UINT seg, UINT o |
| if (CPU_STAT_PAGING) { | if (CPU_STAT_PAGING) { |
| addr = physicaladdr(addr, FALSE); | addr = physicaladdr(addr, FALSE); |
| } | } |
| return(i286_memoryread(addr)); | return(memp_read8(addr)); |
| } | } |
| REG16 MEMCALL meml_read16(UINT seg, UINT off) { | REG16 MEMCALL memr_read16(UINT seg, UINT off) { |
| UINT32 addr; | UINT32 addr; |
| addr = (seg << 4) + LOW16(off); | addr = (seg << 4) + LOW16(off); |
| if (!CPU_STAT_PAGING) { | if (!CPU_STAT_PAGING) { |
| return(i286_memoryread_w(addr)); | return(memp_read16(addr)); |
| } | } |
| else if ((addr + 1) & 0xfff) { | else if ((addr + 1) & 0xfff) { |
| return(i286_memoryread_w(physicaladdr(addr, FALSE))); | return(memp_read16(physicaladdr(addr, FALSE))); |
| } | } |
| return(meml_read8(seg, off) + (meml_read8(seg, off + 1) << 8)); | return(memr_read8(seg, off) + (memr_read8(seg, off + 1) << 8)); |
| } | } |
| void MEMCALL meml_write8(UINT seg, UINT off, REG8 dat) { | void MEMCALL memr_write8(UINT seg, UINT off, REG8 dat) { |
| UINT32 addr; | UINT32 addr; |
| Line 629 void MEMCALL meml_write8(UINT seg, UINT | Line 688 void MEMCALL meml_write8(UINT seg, UINT |
| if (CPU_STAT_PAGING) { | if (CPU_STAT_PAGING) { |
| addr = physicaladdr(addr, TRUE); | addr = physicaladdr(addr, TRUE); |
| } | } |
| i286_memorywrite(addr, dat); | memp_write8(addr, dat); |
| } | } |
| void MEMCALL meml_write16(UINT seg, UINT off, REG16 dat) { | void MEMCALL memr_write16(UINT seg, UINT off, REG16 dat) { |
| UINT32 addr; | UINT32 addr; |
| addr = (seg << 4) + LOW16(off); | addr = (seg << 4) + LOW16(off); |
| if (!CPU_STAT_PAGING) { | if (!CPU_STAT_PAGING) { |
| i286_memorywrite_w(addr, dat); | memp_write16(addr, dat); |
| } | } |
| else if ((addr + 1) & 0xfff) { | else if ((addr + 1) & 0xfff) { |
| i286_memorywrite_w(physicaladdr(addr, TRUE), dat); | memp_write16(physicaladdr(addr, TRUE), dat); |
| } | } |
| else { | else { |
| meml_write8(seg, off, (REG8)dat); | memr_write8(seg, off, (REG8)dat); |
| meml_write8(seg, off + 1, (REG8)(dat >> 8)); | memr_write8(seg, off + 1, (REG8)(dat >> 8)); |
| } | } |
| } | } |
| void MEMCALL meml_readstr(UINT seg, UINT off, void *dat, UINT leng) { | void MEMCALL memr_reads(UINT seg, UINT off, void *dat, UINT leng) { |
| UINT32 addr; | UINT32 addr; |
| UINT rem; | UINT rem; |
| Line 665 void MEMCALL meml_readstr(UINT seg, UINT | Line 724 void MEMCALL meml_readstr(UINT seg, UINT |
| size = min(size, rem); | size = min(size, rem); |
| addr = physicaladdr(addr, FALSE); | addr = physicaladdr(addr, FALSE); |
| } | } |
| memp_read(addr, dat, size); | memp_reads(addr, dat, size); |
| off += size; | off += size; |
| dat = ((UINT8 *)dat) + size; | dat = ((UINT8 *)dat) + size; |
| leng -= size; | leng -= size; |
| } | } |
| } | } |
| void MEMCALL meml_writestr(UINT seg, UINT off, const void *dat, UINT leng) { | void MEMCALL memr_writes(UINT seg, UINT off, const void *dat, UINT leng) { |
| UINT32 addr; | const UINT8 *out = dat; |
| UINT rem; | UINT32 addr; |
| UINT size; | UINT rem; |
| UINT size; | |
| while(leng) { | while(leng) { |
| off = LOW16(off); | off = LOW16(off); |
| Line 688 void MEMCALL meml_writestr(UINT seg, UIN | Line 748 void MEMCALL meml_writestr(UINT seg, UIN |
| size = min(size, rem); | size = min(size, rem); |
| addr = physicaladdr(addr, TRUE); | addr = physicaladdr(addr, TRUE); |
| } | } |
| memp_write(addr, dat, size); | memp_writes(addr, out, size); |
| off += size; | off += size; |
| dat = ((UINT8 *)dat) + size; | out += size; |
| leng -= size; | leng -= size; |
| } | } |
| } | } |
| void MEMCALL meml_read(UINT32 address, void *dat, UINT leng) { | |
| UINT size; | |
| if (!CPU_STAT_PAGING) { | |
| memp_read(address, dat, leng); | |
| } | |
| else { | |
| while(leng) { | |
| size = 0x1000 - (address & 0xfff); | |
| size = min(size, leng); | |
| memp_read(physicaladdr(address, FALSE), dat, size); | |
| address += size; | |
| dat = ((UINT8 *)dat) + size; | |
| leng -= size; | |
| } | |
| } | |
| } | |
| void MEMCALL meml_write(UINT32 address, const void *dat, UINT leng) { | |
| UINT size; | |
| if (!CPU_STAT_PAGING) { | |
| memp_write(address, dat, leng); | |
| } | |
| else { | |
| while(leng) { | |
| size = 0x1000 - (address & 0xfff); | |
| size = min(size, leng); | |
| memp_write(physicaladdr(address, TRUE), dat, size); | |
| address += size; | |
| dat = ((UINT8 *)dat) + size; | |
| leng -= size; | |
| } | |
| } | |
| } | |
| #endif | #endif |