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| version 1.20, 2004/03/29 05:50:29 | version 1.21, 2004/04/05 12:02:30 |
|---|---|
| Line 10 | Line 10 |
| BYTE mem[0x200000]; | BYTE mem[0x200000]; |
| #if defined(TRACE) | |
| #define MEMORY_DEBUG | |
| #endif | |
| // ---- write byte | // ---- write byte |
| static void MEMCALL i286_wt(UINT32 address, REG8 value) { | static void MEMCALL i286_wt(UINT32 address, REG8 value) { // MAIN |
| mem[address & CPU_ADRSMASK] = (BYTE)value; | mem[address & CPU_ADRSMASK] = (BYTE)value; |
| } | } |
| static void MEMCALL tram_wt(UINT32 address, REG8 value) { | static void MEMCALL tram_wt(UINT32 address, REG8 value) { // TRAM |
| CPU_REMCLOCK -= MEMWAIT_TRAM; | CPU_REMCLOCK -= MEMWAIT_TRAM; |
| if (address < 0xa2000) { | if (address < 0xa2000) { |
| Line 53 static void MEMCALL tram_wt(UINT32 addre | Line 49 static void MEMCALL tram_wt(UINT32 addre |
| } | } |
| } | } |
| static void MEMCALL vram_w0(UINT32 address, REG8 value) { | static void MEMCALL vram_w0(UINT32 address, REG8 value) { // VRAM |
| CPU_REMCLOCK -= MEMWAIT_VRAM; | CPU_REMCLOCK -= MEMWAIT_VRAM; |
| mem[address] = (BYTE)value; | mem[address] = (BYTE)value; |
| Line 61 static void MEMCALL vram_w0(UINT32 addre | Line 57 static void MEMCALL vram_w0(UINT32 addre |
| gdcs.grphdisp |= 1; | gdcs.grphdisp |= 1; |
| } | } |
| static void MEMCALL vram_w1(UINT32 address, REG8 value) { | static void MEMCALL vram_w1(UINT32 address, REG8 value) { // VRAM |
| CPU_REMCLOCK -= MEMWAIT_VRAM; | CPU_REMCLOCK -= MEMWAIT_VRAM; |
| mem[address + VRAM_STEP] = (BYTE)value; | mem[address + VRAM_STEP] = (BYTE)value; |
| Line 69 static void MEMCALL vram_w1(UINT32 addre | Line 65 static void MEMCALL vram_w1(UINT32 addre |
| gdcs.grphdisp |= 2; | gdcs.grphdisp |= 2; |
| } | } |
| static void MEMCALL grcg_rmw0(UINT32 address, REG8 value) { | static void MEMCALL grcg_rmw0(UINT32 address, REG8 value) { // VRAM |
| REG8 mask; | REG8 mask; |
| BYTE *vram; | BYTE *vram; |
| Line 98 static void MEMCALL grcg_rmw0(UINT32 add | Line 94 static void MEMCALL grcg_rmw0(UINT32 add |
| } | } |
| } | } |
| static void MEMCALL grcg_rmw1(UINT32 address, REG8 value) { | static void MEMCALL grcg_rmw1(UINT32 address, REG8 value) { // VRAM |
| REG8 mask; | REG8 mask; |
| BYTE *vram; | BYTE *vram; |
| Line 127 static void MEMCALL grcg_rmw1(UINT32 add | Line 123 static void MEMCALL grcg_rmw1(UINT32 add |
| } | } |
| } | } |
| static void MEMCALL grcg_tdw0(UINT32 address, REG8 value) { | static void MEMCALL grcg_tdw0(UINT32 address, REG8 value) { // VRAM |
| BYTE *vram; | BYTE *vram; |
| Line 151 static void MEMCALL grcg_tdw0(UINT32 add | Line 147 static void MEMCALL grcg_tdw0(UINT32 add |
| (void)value; | (void)value; |
| } | } |
| static void MEMCALL grcg_tdw1(UINT32 address, REG8 value) { | static void MEMCALL grcg_tdw1(UINT32 address, REG8 value) { // VRAM |
| BYTE *vram; | BYTE *vram; |
| Line 175 static void MEMCALL grcg_tdw1(UINT32 add | Line 171 static void MEMCALL grcg_tdw1(UINT32 add |
| (void)value; | (void)value; |
| } | } |
| static void MEMCALL egc_wt(UINT32 address, REG8 value) { | static void MEMCALL egc_wt(UINT32 address, REG8 value) { // VRAM |
| CPU_REMCLOCK -= MEMWAIT_GRCG; | CPU_REMCLOCK -= MEMWAIT_GRCG; |
| egc_write(address, value); | egc_write(address, value); |
| } | } |
| static void MEMCALL emmc_wt(UINT32 address, REG8 value) { | static void MEMCALL emmc_wt(UINT32 address, REG8 value) { // EMS |
| CPU_EMSPTR[(address >> 14) & 3][LOW14(address)] = (BYTE)value; | |
| } | |
| static void MEMCALL i286_wd(UINT32 address, REG8 value) { // D000¡ÁDFFF | |
| i286core.e.ems[(address >> 14) & 3][LOW14(address)] = (BYTE)value; | if (CPU_RAM_D000 & (1 << ((address >> 12) & 15))) { |
| mem[address] = (BYTE)value; | |
| } | |
| } | } |
| static void MEMCALL i286_wb(UINT32 address, REG8 value) { | static void MEMCALL i286_wb(UINT32 address, REG8 value) { // F800¡ÁFFFF |
| mem[address + 0x1c8000 - 0xe8000] = (BYTE)value; | mem[address + 0x1c8000 - 0xe8000] = (BYTE)value; |
| } | } |
| static void MEMCALL i286_wn(UINT32 address, REG8 value) { | static void MEMCALL i286_wn(UINT32 address, REG8 value) { // NONE |
| (void)address; | (void)address; |
| (void)value; | (void)value; |
| Line 200 static void MEMCALL i286_wn(UINT32 addre | Line 203 static void MEMCALL i286_wn(UINT32 addre |
| // ---- read byte | // ---- read byte |
| static REG8 MEMCALL i286_rd(UINT32 address) { | static REG8 MEMCALL i286_rd(UINT32 address) { // MAIN |
| return(mem[address & CPU_ADRSMASK]); | return(mem[address & CPU_ADRSMASK]); |
| } | } |
| static REG8 MEMCALL tram_rd(UINT32 address) { | static REG8 MEMCALL tram_rd(UINT32 address) { // TRAM |
| CPU_REMCLOCK -= MEMWAIT_TRAM; | CPU_REMCLOCK -= MEMWAIT_TRAM; |
| if (address < 0xa4000) { | if (address < 0xa4000) { |
| Line 222 static REG8 MEMCALL tram_rd(UINT32 addre | Line 225 static REG8 MEMCALL tram_rd(UINT32 addre |
| return(mem[address]); | return(mem[address]); |
| } | } |
| static REG8 MEMCALL vram_r0(UINT32 address) { | static REG8 MEMCALL vram_r0(UINT32 address) { // VRAM |
| CPU_REMCLOCK -= MEMWAIT_VRAM; | CPU_REMCLOCK -= MEMWAIT_VRAM; |
| return(mem[address]); | return(mem[address]); |
| } | } |
| static REG8 MEMCALL vram_r1(UINT32 address) { | static REG8 MEMCALL vram_r1(UINT32 address) { // VRAM |
| CPU_REMCLOCK -= MEMWAIT_VRAM; | CPU_REMCLOCK -= MEMWAIT_VRAM; |
| return(mem[address + VRAM_STEP]); | return(mem[address + VRAM_STEP]); |
| } | } |
| static REG8 MEMCALL grcg_tcr0(UINT32 address) { | static REG8 MEMCALL grcg_tcr0(UINT32 address) { // VRAM |
| const BYTE *vram; | const BYTE *vram; |
| REG8 ret; | REG8 ret; |
| Line 257 const BYTE *vram; | Line 260 const BYTE *vram; |
| return(ret ^ 0xff); | return(ret ^ 0xff); |
| } | } |
| static REG8 MEMCALL grcg_tcr1(UINT32 address) { | static REG8 MEMCALL grcg_tcr1(UINT32 address) { // VRAM |
| const BYTE *vram; | const BYTE *vram; |
| REG8 ret; | REG8 ret; |
| Line 280 const BYTE *vram; | Line 283 const BYTE *vram; |
| return(ret ^ 0xff); | return(ret ^ 0xff); |
| } | } |
| static REG8 MEMCALL egc_rd(UINT32 address) { | static REG8 MEMCALL egc_rd(UINT32 address) { // VRAM |
| CPU_REMCLOCK -= MEMWAIT_GRCG; | CPU_REMCLOCK -= MEMWAIT_GRCG; |
| return(egc_read(address)); | return(egc_read(address)); |
| } | } |
| static REG8 MEMCALL emmc_rd(UINT32 address) { | static REG8 MEMCALL emmc_rd(UINT32 address) { // EMS |
| return(i286core.e.ems[(address >> 14) & 3][LOW14(address)]); | return(CPU_EMSPTR[(address >> 14) & 3][LOW14(address)]); |
| } | } |
| static REG8 MEMCALL i286_rb(UINT32 address) { | static REG8 MEMCALL i286_rb(UINT32 address) { // F800-FFFF |
| if (CPU_ITFBANK) { | if (CPU_ITFBANK) { |
| address += VRAM_STEP; | address += VRAM_STEP; |
| Line 456 static void MEMCALL emmcw_wt(UINT32 addr | Line 459 static void MEMCALL emmcw_wt(UINT32 addr |
| BYTE *ptr; | BYTE *ptr; |
| if ((address & 0x3fff) != 0x3fff) { | if ((address & 0x3fff) != 0x3fff) { |
| ptr = i286core.e.ems[(address >> 14) & 3] + LOW14(address); | ptr = CPU_EMSPTR[(address >> 14) & 3] + LOW14(address); |
| STOREINTELWORD(ptr, value); | STOREINTELWORD(ptr, value); |
| } | } |
| else { | else { |
| i286core.e.ems[(address >> 14) & 3][0x3fff] = (BYTE)value; | CPU_EMSPTR[(address >> 14) & 3][0x3fff] = (BYTE)value; |
| i286core.e.ems[((address + 1) >> 14) & 3][0] = (BYTE)(value >> 8); | CPU_EMSPTR[((address + 1) >> 14) & 3][0] = (BYTE)(value >> 8); |
| } | |
| } | |
| static void MEMCALL i286w_wd(UINT32 address, REG16 value) { | |
| BYTE *ptr; | |
| UINT16 bit; | |
| ptr = mem + address; | |
| bit = 1 << ((address >> 12) & 15); | |
| if ((address + 1) & 0xfff) { | |
| if (CPU_RAM_D000 & bit) { | |
| STOREINTELWORD(ptr, value); | |
| } | |
| } | |
| else { | |
| if (CPU_RAM_D000 & bit) { | |
| ptr[0] = (UINT8)value; | |
| } | |
| if (CPU_RAM_D000 & (bit << 1)) { | |
| ptr[1] = (UINT8)(value >> 8); | |
| } | |
| } | } |
| } | } |
| static void MEMCALL i286w_wb(UINT32 address, REG16 value) { | static void MEMCALL i286w_wb(UINT32 address, REG16 value) { |
| mem[address + 0x1c8000 - 0xe8000] = (BYTE)value; | BYTE *ptr; |
| mem[address + 0x1c8001 - 0xe8000] = (BYTE)(value >> 8); | |
| ptr = mem + (address + 0x1c8000 - 0xe8000); | |
| STOREINTELWORD(ptr, value); | |
| } | } |
| static void MEMCALL i286w_wn(UINT32 address, REG16 value) { | static void MEMCALL i286w_wn(UINT32 address, REG16 value) { |
| Line 587 const BYTE *ptr; | Line 614 const BYTE *ptr; |
| REG16 ret; | REG16 ret; |
| if ((address & 0x3fff) != 0x3fff) { | if ((address & 0x3fff) != 0x3fff) { |
| ptr = i286core.e.ems[(address >> 14) & 3] + LOW14(address); | ptr = CPU_EMSPTR[(address >> 14) & 3] + LOW14(address); |
| return(LOADINTELWORD(ptr)); | return(LOADINTELWORD(ptr)); |
| } | } |
| else { | else { |
| ret = i286core.e.ems[(address >> 14) & 3][0x3fff]; | ret = CPU_EMSPTR[(address >> 14) & 3][0x3fff]; |
| ret += i286core.e.ems[((address + 1) >> 14) & 3][0] << 8; | ret += CPU_EMSPTR[((address + 1) >> 14) & 3][0] << 8; |
| return(ret); | return(ret); |
| } | } |
| } | } |
| Line 621 typedef struct { | Line 648 typedef struct { |
| } MEMFN; | } MEMFN; |
| typedef struct { | typedef struct { |
| MEM8READ brd8; | MEM8READ brd8; // E8000-F7FFF byte read |
| MEM8READ ird8; | MEM8READ ird8; // F8000-FFFFF byte read |
| MEM8WRITE ewr8; | MEM8WRITE bwr8; // E8000-FFFFF byte write |
| MEM8WRITE bwr8; | MEM16READ brd16; // E8000-F7FFF word read |
| MEM16READ brd16; | MEM16READ ird16; // F8000-FFFFF word read |
| MEM16READ ird16; | MEM16WRITE bwr16; // F8000-FFFFF word write |
| MEM16WRITE ewr16; | |
| MEM16WRITE bwr16; | |
| } MMAPTBL; | } MMAPTBL; |
| typedef struct { | typedef struct { |
| Line 654 static MEMFN memfn = { | Line 679 static MEMFN memfn = { |
| i286_wt, i286_wt, i286_wt, i286_wt, // 60 | i286_wt, i286_wt, i286_wt, i286_wt, // 60 |
| i286_wt, i286_wt, i286_wt, i286_wt, // 80 | i286_wt, i286_wt, i286_wt, i286_wt, // 80 |
| tram_wt, vram_w0, vram_w0, vram_w0, // a0 | tram_wt, vram_w0, vram_w0, vram_w0, // a0 |
| emmc_wt, emmc_wt, i286_wn, i286_wn, // c0 | emmc_wt, emmc_wt, i286_wd, i286_wd, // c0 |
| vram_w0, i286_wn, i286_wn, i286_wn}, // e0 | 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, // 00 |
| Line 672 static MEMFN memfn = { | Line 697 static MEMFN memfn = { |
| i286w_wt, i286w_wt, i286w_wt, i286w_wt, // 60 | i286w_wt, i286w_wt, i286w_wt, i286w_wt, // 60 |
| i286w_wt, i286w_wt, i286w_wt, i286w_wt, // 80 | i286w_wt, i286w_wt, i286w_wt, i286w_wt, // 80 |
| tramw_wt, vramw_w0, vramw_w0, vramw_w0, // a0 | tramw_wt, vramw_w0, vramw_w0, vramw_w0, // a0 |
| emmcw_wt, emmcw_wt, i286w_wn, i286w_wn, // c0 | emmcw_wt, emmcw_wt, i286w_wd, i286w_wd, // c0 |
| vramw_w0, i286w_wn, i286w_wn, i286w_wn}}; // e0 | vramw_w0, i286w_wn, i286w_wn, i286w_wn}}; // e0 |
| static const MMAPTBL mmaptbl[2] = { | static const MMAPTBL mmaptbl[2] = { |
| {i286_rd, i286_rb, i286_wn, i286_wn, | {i286_rd, i286_rb, i286_wn, |
| i286w_rd, i286w_rb, i286w_wn, i286w_wn}, | i286w_rd, i286w_rb, i286w_wn}, |
| {i286_rb, i286_rb, i286_wt, i286_wb, | {i286_rb, i286_rb, i286_wb, |
| i286w_rb, i286w_rb, i286w_wt, i286w_wb}}; | i286w_rb, i286w_rb, i286w_wb}}; |
| static const VACCTBL vacctbl[0x10] = { | static const VACCTBL vacctbl[0x10] = { |
| {vram_r0, vram_w0, vramw_r0, vramw_w0}, // 00 | {vram_r0, vram_w0, vramw_r0, vramw_w0}, // 00 |
| Line 722 const MMAPTBL *mm; | Line 747 const MMAPTBL *mm; |
| memfn.rd8[0xe8000 >> 15] = mm->brd8; | memfn.rd8[0xe8000 >> 15] = mm->brd8; |
| memfn.rd8[0xf0000 >> 15] = mm->brd8; | memfn.rd8[0xf0000 >> 15] = mm->brd8; |
| memfn.rd8[0xf8000 >> 15] = mm->ird8; | 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[0xe8000 >> 15] = mm->bwr8; |
| memfn.wr8[0xf0000 >> 15] = mm->bwr8; | memfn.wr8[0xf0000 >> 15] = mm->bwr8; |
| memfn.wr8[0xf8000 >> 15] = mm->bwr8; | memfn.wr8[0xf8000 >> 15] = mm->bwr8; |
| Line 732 const MMAPTBL *mm; | Line 754 const MMAPTBL *mm; |
| memfn.rd16[0xe8000 >> 15] = mm->brd16; | memfn.rd16[0xe8000 >> 15] = mm->brd16; |
| memfn.rd16[0xf0000 >> 15] = mm->brd16; | memfn.rd16[0xf0000 >> 15] = mm->brd16; |
| memfn.rd16[0xf8000 >> 15] = mm->ird16; | 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[0xe8000 >> 15] = mm->bwr16; |
| memfn.wr16[0xf0000 >> 15] = mm->bwr16; | memfn.wr16[0xf0000 >> 15] = mm->bwr16; |
| memfn.wr16[0xf8000 >> 15] = mm->bwr16; | memfn.wr16[0xf8000 >> 15] = mm->bwr16; |
| Line 766 const VACCTBL *vacc; | Line 785 const VACCTBL *vacc; |
| memfn.wr16[0xb8000 >> 15] = vacc->wr16; | memfn.wr16[0xb8000 >> 15] = vacc->wr16; |
| memfn.wr16[0xe0000 >> 15] = vacc->wr16; | memfn.wr16[0xe0000 >> 15] = vacc->wr16; |
| if (!(func & 0x10)) { // degital | if (!(func & 0x10)) { // digital |
| memfn.wr8[0xe0000 >> 15] = i286_wn; | memfn.wr8[0xe0000 >> 15] = i286_wn; |
| memfn.wr16[0xe0000 >> 15] = i286w_wn; | memfn.wr16[0xe0000 >> 15] = i286w_wn; |
| memfn.rd8[0xe0000 >> 15] = i286_nonram_r; | memfn.rd8[0xe0000 >> 15] = i286_nonram_r; |
| Line 774 const VACCTBL *vacc; | Line 793 const VACCTBL *vacc; |
| } | } |
| } | } |
| #if defined(MEMORY_DEBUG) | |
| static REG8 MEMCALL _i286_memoryread(UINT32 address) { | |
| if (address < I286_MEMREADMAX) { | |
| return(mem[address]); | |
| } | |
| #if defined(USE_HIMEM) | |
| else if (address >= USE_HIMEM) { | |
| address -= 0x100000; | |
| if (address < CPU_EXTMEMSIZE) { | |
| return(CPU_EXTMEM[address]); | |
| } | |
| else { | |
| return(0xff); | |
| } | |
| } | |
| #endif | |
| else { | |
| return(memfn.rd8[(address >> 15) & 0x1f](address)); | |
| } | |
| } | |
| static REG16 MEMCALL _i286_memoryread_w(UINT32 address) { | |
| REG16 ret; | |
| if (address < (I286_MEMREADMAX - 1)) { | |
| return(LOADINTELWORD(mem + address)); | |
| } | |
| #if defined(USE_HIMEM) | |
| else if (address >= (USE_HIMEM - 1)) { | |
| address -= 0x100000; | |
| if (address == (USE_HIMEM - 0x100000 - 1)) { | |
| ret = mem[0x100000 + address]; | |
| } | |
| else if (address < CPU_EXTMEMSIZE) { | |
| ret = CPU_EXTMEM[address]; | |
| } | |
| else { | |
| ret = 0xff; | |
| } | |
| address++; | |
| if (address < CPU_EXTMEMSIZE) { | |
| ret += CPU_EXTMEM[address] << 8; | |
| } | |
| else { | |
| ret += 0xff00; | |
| } | |
| return(ret); | |
| } | |
| #endif | |
| else if ((address & 0x7fff) != 0x7fff) { | |
| return(memfn.rd16[(address >> 15) & 0x1f](address)); | |
| } | |
| else { | |
| ret = memfn.rd8[(address >> 15) & 0x1f](address); | |
| address++; | |
| ret += memfn.rd8[(address >> 15) & 0x1f](address) << 8; | |
| return(ret); | |
| } | |
| } | |
| REG8 MEMCALL i286_memoryread(UINT32 address) { | |
| REG8 r; | |
| r = _i286_memoryread(address); | |
| if (r & 0xffffff00) { | |
| TRACEOUT(("error i286_memoryread %x %x", address, r)); | |
| } | |
| return(r); | |
| } | |
| REG16 MEMCALL i286_memoryread_w(UINT32 address) { | |
| REG16 r; | |
| r = _i286_memoryread_w(address); | |
| if (r & 0xffff0000) { | |
| TRACEOUT(("error i286_memoryread_w %x %x", address, r)); | |
| } | |
| return(r); | |
| } | |
| #else | |
| REG8 MEMCALL i286_memoryread(UINT32 address) { | REG8 MEMCALL i286_memoryread(UINT32 address) { |
| if (address < I286_MEMREADMAX) { | if (address < I286_MEMREADMAX) { |
| Line 918 REG16 MEMCALL i286_memoryread_w(UINT32 a | Line 853 REG16 MEMCALL i286_memoryread_w(UINT32 a |
| return(ret); | return(ret); |
| } | } |
| } | } |
| #endif | |
| void MEMCALL i286_memorywrite(UINT32 address, REG8 value) { | void MEMCALL i286_memorywrite(UINT32 address, REG8 value) { |