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| version 1.26, 2004/04/14 20:39:12 | version 1.37, 2012/01/23 10:23:54 |
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| Line 3 | Line 3 |
| #ifndef NP2_MEMORY_ASM | #ifndef NP2_MEMORY_ASM |
| #include "cpucore.h" | #include "cpucore.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]; |
| // ---- write byte | |
| static void MEMCALL i286_wt(UINT32 address, REG8 value) { // MAIN | |
| mem[address & CPU_ADRSMASK] = (BYTE)value; | |
| } | |
| static void MEMCALL tram_wt(UINT32 address, REG8 value) { // TRAM | |
| CPU_REMCLOCK -= MEMWAIT_TRAM; | |
| if (address < 0xa2000) { | |
| mem[address] = (BYTE)value; | |
| tramupdate[LOW12(address >> 1)] = 1; | |
| 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) { // VRAM | |
| CPU_REMCLOCK -= MEMWAIT_VRAM; | |
| mem[address] = (BYTE)value; | |
| vramupdate[LOW15(address)] |= 1; | |
| gdcs.grphdisp |= 1; | |
| } | |
| static void MEMCALL vram_w1(UINT32 address, REG8 value) { // VRAM | |
| CPU_REMCLOCK -= MEMWAIT_VRAM; | |
| mem[address + VRAM_STEP] = (BYTE)value; | |
| vramupdate[LOW15(address)] |= 2; | |
| gdcs.grphdisp |= 2; | |
| } | |
| static void MEMCALL grcg_rmw0(UINT32 address, REG8 value) { // VRAM | |
| REG8 mask; | |
| BYTE *vram; | |
| CPU_REMCLOCK -= MEMWAIT_GRCG; | |
| mask = ~value; | |
| 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) { // VRAM | |
| REG8 mask; | |
| BYTE *vram; | |
| CPU_REMCLOCK -= MEMWAIT_GRCG; | |
| 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) { // VRAM | |
| BYTE *vram; | |
| CPU_REMCLOCK -= MEMWAIT_GRCG; | |
| address = LOW15(address); | |
| 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) { // VRAM | |
| BYTE *vram; | |
| CPU_REMCLOCK -= MEMWAIT_GRCG; | |
| 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) { // VRAM | |
| CPU_REMCLOCK -= MEMWAIT_GRCG; | |
| egc_write(address, 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〜DFFF | |
| if (CPU_RAM_D000 & (1 << ((address >> 12) & 15))) { | |
| mem[address] = (BYTE)value; | |
| } | |
| } | |
| static void MEMCALL i286_wb(UINT32 address, REG8 value) { // F800〜FFFF | |
| mem[address + 0x1c8000 - 0xe8000] = (BYTE)value; | |
| } | |
| static void MEMCALL i286_wn(UINT32 address, REG8 value) { // NONE | |
| (void)address; | typedef void (MEMCALL * MEM8WRITE)(UINT32 address, REG8 value); |
| (void)value; | typedef REG8 (MEMCALL * MEM8READ)(UINT32 address); |
| } | typedef void (MEMCALL * MEM16WRITE)(UINT32 address, REG16 value); |
| typedef REG16 (MEMCALL * MEM16READ)(UINT32 address); | |
| // ---- read byte | |
| static REG8 MEMCALL i286_rd(UINT32 address) { // MAIN | |
| return(mem[address & CPU_ADRSMASK]); | // ---- MAIN |
| } | |
| static REG8 MEMCALL tram_rd(UINT32 address) { // TRAM | static REG8 MEMCALL memmain_rd8(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]); | return(mem[address]); |
| } | } |
| static REG8 MEMCALL vram_r0(UINT32 address) { // VRAM | static REG16 MEMCALL memmain_rd16(UINT32 address) { |
| CPU_REMCLOCK -= MEMWAIT_VRAM; | |
| return(mem[address]); | |
| } | |
| static REG8 MEMCALL vram_r1(UINT32 address) { // VRAM | const UINT8 *ptr; |
| CPU_REMCLOCK -= MEMWAIT_VRAM; | ptr = mem + address; |
| return(mem[address + VRAM_STEP]); | return(LOADINTELWORD(ptr)); |
| } | |
| static REG8 MEMCALL grcg_tcr0(UINT32 address) { // VRAM | |
| const BYTE *vram; | |
| REG8 ret; | |
| CPU_REMCLOCK -= MEMWAIT_GRCG; | |
| vram = mem + LOW15(address); | |
| ret = 0; | |
| if (!(grcg.modereg & 1)) { | |
| ret |= vram[VRAM0_B] ^ grcg.tile[0].b[0]; | |
| } | |
| if (!(grcg.modereg & 2)) { | |
| ret |= vram[VRAM0_R] ^ grcg.tile[1].b[0]; | |
| } | |
| if (!(grcg.modereg & 4)) { | |
| ret |= vram[VRAM0_G] ^ grcg.tile[2].b[0]; | |
| } | |
| if (!(grcg.modereg & 8)) { | |
| ret |= vram[VRAM0_E] ^ grcg.tile[3].b[0]; | |
| } | |
| return(ret ^ 0xff); | |
| } | |
| static REG8 MEMCALL grcg_tcr1(UINT32 address) { // VRAM | |
| const BYTE *vram; | |
| REG8 ret; | |
| 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) { // VRAM | |
| CPU_REMCLOCK -= MEMWAIT_GRCG; | |
| return(egc_read(address)); | |
| } | |
| static REG8 MEMCALL emmc_rd(UINT32 address) { // EMS | |
| return(CPU_EMSPTR[(address >> 14) & 3][LOW14(address)]); | |
| } | } |
| static REG8 MEMCALL i286_rb(UINT32 address) { // F800-FFFF | static void MEMCALL memmain_wr8(UINT32 address, REG8 value) { |
| if (CPU_ITFBANK) { | mem[address] = (UINT8)value; |
| address += VRAM_STEP; | |
| } | |
| return(mem[address]); | |
| } | } |
| static void MEMCALL memmain_wr16(UINT32 address, REG16 value) { | |
| // ---- write word | UINT8 *ptr; |
| static void MEMCALL i286w_wt(UINT32 address, REG16 value) { | ptr = mem + address; |
| BYTE *ptr; | |
| ptr = mem + (address & CPU_ADRSMASK); | |
| STOREINTELWORD(ptr, value); | STOREINTELWORD(ptr, value); |
| } | } |
| static void MEMCALL tramw_wt(UINT32 address, REG16 value) { | |
| CPU_REMCLOCK -= MEMWAIT_TRAM; | // ---- N/C |
| if (address < 0xa1fff) { | |
| STOREINTELWORD(mem + address, value); | |
| tramupdate[LOW12(address >> 1)] = 1; | |
| tramupdate[LOW12((address + 1) >> 1)] = 1; | |
| gdcs.textdisp |= 1; | |
| } | |
| else if (address == 0xa1fff) { | |
| STOREINTELWORD(mem + address, value); | |
| tramupdate[0] = 1; | |
| tramupdate[0xfff] = 1; | |
| gdcs.textdisp |= 1; | |
| } | |
| else if (address < 0xa3fe0) { | |
| if (address & 1) { | |
| address++; | |
| value >>= 8; | |
| } | |
| mem[address] = (BYTE)value; | |
| tramupdate[LOW12(address >> 1)] = 1; | |
| gdcs.textdisp |= 1; | |
| } | |
| else if (address < 0xa3fff) { | |
| if (address & 1) { | |
| address++; | |
| 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; | |
| } | |
| } | |
| } | |
| #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; | |
| egc_write_w(address, value); | |
| } | |
| static void MEMCALL emmcw_wt(UINT32 address, REG16 value) { | |
| BYTE *ptr; | |
| if ((address & 0x3fff) != 0x3fff) { | |
| ptr = CPU_EMSPTR[(address >> 14) & 3] + LOW14(address); | |
| STOREINTELWORD(ptr, value); | |
| } | |
| else { | |
| CPU_EMSPTR[(address >> 14) & 3][0x3fff] = (BYTE)value; | |
| CPU_EMSPTR[((address + 1) >> 14) & 3][0] = (BYTE)(value >> 8); | |
| } | |
| } | |
| static void MEMCALL i286w_wd(UINT32 address, REG16 value) { | static REG8 MEMCALL memnc_rd8(UINT32 address) { |
| BYTE *ptr; | (void)address; |
| UINT16 bit; | return(0xff); |
| 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 REG16 MEMCALL memnc_rd16(UINT32 address) { |
| BYTE *ptr; | |
| ptr = mem + (address + 0x1c8000 - 0xe8000); | (void)address; |
| STOREINTELWORD(ptr, value); | return(0xffff); |
| } | } |
| static void MEMCALL i286w_wn(UINT32 address, REG16 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 word | (void)address; |
| (void)value; | |
| static REG16 MEMCALL i286w_rd(UINT32 address) { | |
| BYTE *ptr; | |
| ptr = mem + (address & CPU_ADRSMASK); | |
| return(LOADINTELWORD(ptr)); | |
| } | |
| static REG16 MEMCALL tramw_rd(UINT32 address) { | |
| CPU_REMCLOCK -= MEMWAIT_TRAM; | |
| if (address < (0xa4000 - 1)) { | |
| 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) { | |
| CPU_REMCLOCK -= MEMWAIT_VRAM; | |
| return(LOADINTELWORD(mem + address)); | |
| } | |
| static REG16 MEMCALL vramw_r1(UINT32 address) { | |
| CPU_REMCLOCK -= MEMWAIT_VRAM; | |
| return(LOADINTELWORD(mem + address + VRAM_STEP)); | |
| } | |
| static REG16 MEMCALL grcgw_tcr0(UINT32 address) { | |
| BYTE *vram; | |
| REG16 ret; | |
| CPU_REMCLOCK -= MEMWAIT_GRCG; | |
| ret = 0; | |
| 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) { | |
| 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) { | |
| CPU_REMCLOCK -= MEMWAIT_GRCG; | |
| return(egc_read_w(address)); | |
| } | |
| static REG16 MEMCALL emmcw_rd(UINT32 address) { | |
| const BYTE *ptr; | |
| REG16 ret; | |
| if ((address & 0x3fff) != 0x3fff) { | |
| ptr = CPU_EMSPTR[(address >> 14) & 3] + LOW14(address); | |
| return(LOADINTELWORD(ptr)); | |
| } | |
| else { | |
| ret = CPU_EMSPTR[(address >> 14) & 3][0x3fff]; | |
| ret += CPU_EMSPTR[((address + 1) >> 14) & 3][0] << 8; | |
| return(ret); | |
| } | |
| } | |
| static REG16 MEMCALL i286w_rb(UINT32 address) { | |
| if (CPU_ITFBANK) { | |
| address += VRAM_STEP; | |
| } | |
| return(LOADINTELWORD(mem + address)); | |
| } | } |
| // ---- 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]; |
| } MEMFN; | } MEMFN0; |
| typedef struct { | typedef struct { |
| MEM8READ brd8; // E8000-F7FFF byte read | MEM8READ brd8; // E8000-F7FFF byte read |
| Line 667 typedef struct { | Line 107 typedef struct { |
| MEM16WRITE wr16; | MEM16WRITE wr16; |
| } VACCTBL; | } VACCTBL; |
| static MEMFN memfn = { | static MEMFN0 memfn0 = { |
| {i286_rd, i286_rd, i286_rd, i286_rd, // 00 | {memmain_rd8, memmain_rd8, memmain_rd8, memmain_rd8, // 00 |
| i286_rd, i286_rd, i286_rd, i286_rd, // 20 | memmain_rd8, memmain_rd8, memmain_rd8, memmain_rd8, // 20 |
| i286_rd, i286_rd, i286_rd, i286_rd, // 40 | memmain_rd8, memmain_rd8, memmain_rd8, memmain_rd8, // 40 |
| i286_rd, i286_rd, i286_rd, i286_rd, // 60 | memmain_rd8, memmain_rd8, memmain_rd8, memmain_rd8, // 60 |
| i286_rd, i286_rd, i286_rd, i286_rd, // 80 | memmain_rd8, memmain_rd8, memmain_rd8, memmain_rd8, // 80 |
| tram_rd, vram_r0, vram_r0, vram_r0, // a0 | memtram_rd8, memvram0_rd8, memvram0_rd8, memvram0_rd8, // a0 |
| emmc_rd, emmc_rd, i286_rd, i286_rd, // c0 | memems_rd8, memems_rd8, memmain_rd8, memmain_rd8, // c0 |
| vram_r0, i286_rd, i286_rd, i286_rb}, // e0 | memvram0_rd8, memmain_rd8, memmain_rd8, memf800_rd8, // e0 |
| memmain_rd8, memmain_rd8}, | |
| {i286_wt, i286_wt, i286_wt, i286_wt, // 00 | |
| i286_wt, i286_wt, i286_wt, i286_wt, // 20 | {memmain_wr8, memmain_wr8, memmain_wr8, memmain_wr8, // 00 |
| i286_wt, i286_wt, i286_wt, i286_wt, // 40 | memmain_wr8, memmain_wr8, memmain_wr8, memmain_wr8, // 20 |
| i286_wt, i286_wt, i286_wt, i286_wt, // 60 | memmain_wr8, memmain_wr8, memmain_wr8, memmain_wr8, // 40 |
| i286_wt, i286_wt, i286_wt, i286_wt, // 80 | memmain_wr8, memmain_wr8, memmain_wr8, memmain_wr8, // 60 |
| tram_wt, vram_w0, vram_w0, vram_w0, // a0 | memmain_wr8, memmain_wr8, memmain_wr8, memmain_wr8, // 80 |
| emmc_wt, emmc_wt, i286_wd, i286_wd, // c0 | memtram_wr8, memvram0_wr8, memvram0_wr8, memvram0_wr8, // a0 |
| vram_w0, i286_wn, i286_wn, i286_wn}, // e0 | memems_wr8, memems_wr8, memd000_wr8, memd000_wr8, // c0 |
| memvram0_wr8, memnc_wr8, memnc_wr8, memnc_wr8, // e0 | |
| {i286w_rd, i286w_rd, i286w_rd, i286w_rd, // 00 | memmain_wr8, memmain_wr8}, |
| i286w_rd, i286w_rd, i286w_rd, i286w_rd, // 20 | |
| i286w_rd, i286w_rd, i286w_rd, i286w_rd, // 40 | {memmain_rd16, memmain_rd16, memmain_rd16, memmain_rd16, // 00 |
| i286w_rd, i286w_rd, i286w_rd, i286w_rd, // 60 | memmain_rd16, memmain_rd16, memmain_rd16, memmain_rd16, // 20 |
| i286w_rd, i286w_rd, i286w_rd, i286w_rd, // 80 | memmain_rd16, memmain_rd16, memmain_rd16, memmain_rd16, // 40 |
| tramw_rd, vramw_r0, vramw_r0, vramw_r0, // a0 | memmain_rd16, memmain_rd16, memmain_rd16, memmain_rd16, // 60 |
| emmcw_rd, emmcw_rd, i286w_rd, i286w_rd, // c0 | memmain_rd16, memmain_rd16, memmain_rd16, memmain_rd16, // 80 |
| vramw_r0, i286w_rd, i286w_rd, i286w_rb}, // e0 | memtram_rd16, memvram0_rd16, memvram0_rd16, memvram0_rd16, // a0 |
| memems_rd16, memems_rd16, memmain_rd16, memmain_rd16, // c0 | |
| {i286w_wt, i286w_wt, i286w_wt, i286w_wt, // 00 | memvram0_rd16, memmain_rd16, memmain_rd16, memf800_rd16, // e0 |
| i286w_wt, i286w_wt, i286w_wt, i286w_wt, // 20 | memmain_rd16, memmain_rd16}, |
| i286w_wt, i286w_wt, i286w_wt, i286w_wt, // 40 | |
| i286w_wt, i286w_wt, i286w_wt, i286w_wt, // 60 | {memmain_wr16, memmain_wr16, memmain_wr16, memmain_wr16, // 00 |
| i286w_wt, i286w_wt, i286w_wt, i286w_wt, // 80 | memmain_wr16, memmain_wr16, memmain_wr16, memmain_wr16, // 20 |
| tramw_wt, vramw_w0, vramw_w0, vramw_w0, // a0 | memmain_wr16, memmain_wr16, memmain_wr16, memmain_wr16, // 40 |
| emmcw_wt, emmcw_wt, i286w_wd, i286w_wd, // c0 | memmain_wr16, memmain_wr16, memmain_wr16, memmain_wr16, // 60 |
| vramw_w0, i286w_wn, i286w_wn, i286w_wn}}; // e0 | 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 const MMAPTBL mmaptbl[2] = { | static const MMAPTBL mmaptbl[2] = { |
| {i286_rd, i286_rb, i286_wn, | {memmain_rd8, memf800_rd8, memnc_wr8, |
| i286w_rd, i286w_rb, i286w_wn}, | memmain_rd16, memf800_rd16, memnc_wr16}, |
| {i286_rb, i286_rb, i286_wb, | {memf800_rd8, memf800_rd8, memepson_wr8, |
| i286w_rb, i286w_rb, i286w_wb}}; | memf800_rd16, memf800_rd16, memepson_wr16}}; |
| static const VACCTBL vacctbl[0x10] = { | static const VACCTBL vacctbl[0x10] = { |
| {vram_r0, vram_w0, vramw_r0, vramw_w0}, // 00 | {memvram0_rd8, memvram0_wr8, memvram0_rd16, memvram0_wr16}, // 00 |
| {vram_r1, vram_w1, vramw_r1, vramw_w1}, | {memvram1_rd8, memvram1_wr8, memvram1_rd16, memvram1_wr16}, |
| {vram_r0, vram_w0, vramw_r0, vramw_w0}, | {memvram0_rd8, memvram0_wr8, memvram0_rd16, memvram0_wr16}, |
| {vram_r1, vram_w1, vramw_r1, vramw_w1}, | {memvram1_rd8, memvram1_wr8, memvram1_rd16, memvram1_wr16}, |
| {vram_r0, vram_w0, vramw_r0, vramw_w0}, // 40 | {memvram0_rd8, memvram0_wr8, memvram0_rd16, memvram0_wr16}, // 40 |
| {vram_r1, vram_w1, vramw_r1, vramw_w1}, | {memvram1_rd8, memvram1_wr8, memvram1_rd16, memvram1_wr16}, |
| {vram_r0, vram_w0, vramw_r0, vramw_w0}, | {memvram0_rd8, memvram0_wr8, memvram0_rd16, memvram0_wr16}, |
| {vram_r1, vram_w1, vramw_r1, vramw_w1}, | {memvram1_rd8, memvram1_wr8, memvram1_rd16, memvram1_wr16}, |
| {grcg_tcr0, grcg_tdw0, grcgw_tcr0, grcgw_tdw0}, // 80 tdw/tcr | {memtcr0_rd8, memtdw0_wr8, memtcr0_rd16, memtdw0_wr16}, // 80 |
| {grcg_tcr1, grcg_tdw1, grcgw_tcr1, grcgw_tdw1}, | {memtcr1_rd8, memtdw1_wr8, memtcr1_rd16, memtdw1_wr16}, |
| {egc_rd, egc_wt, egcw_rd, egcw_wt}, | {memegc_rd8, memegc_wr8, memegc_rd16, memegc_wr16}, |
| {egc_rd, egc_wt, egcw_rd, egcw_wt}, | {memegc_rd8, memegc_wr8, memegc_rd16, memegc_wr16}, |
| {vram_r0, grcg_rmw0, vramw_r0, grcgw_rmw0}, // c0 rmw | {memvram0_rd8, memrmw0_wr8, memvram0_rd16, memrmw0_wr16}, // c0 |
| {vram_r1, grcg_rmw1, vramw_r1, grcgw_rmw1}, | {memvram1_rd8, memrmw1_wr8, memvram1_rd16, memrmw1_wr16}, |
| {egc_rd, egc_wt, egcw_rd, egcw_wt}, | {memegc_rd8, memegc_wr8, memegc_rd16, memegc_wr16}, |
| {egc_rd, egc_wt, egcw_rd, egcw_wt}}; | {memegc_rd8, memegc_wr8, memegc_rd16, memegc_wr16}}; |
| static REG8 MEMCALL i286_nonram_r(UINT32 address) { | |
| (void)address; | |
| return(0xff); | |
| } | |
| static REG16 MEMCALL i286_nonram_rw(UINT32 address) { | void MEMCALL memm_arch(UINT type) { |
| (void)address; | |
| return(0xffff); | |
| } | |
| void MEMCALL i286_memorymap(UINT type) { | |
| const MMAPTBL *mm; | const MMAPTBL *mm; |
| mm = mmaptbl + (type & 1); | mm = mmaptbl + (type & 1); |
| memfn.rd8[0xe8000 >> 15] = mm->brd8; | memfn0.rd8[0xe8000 >> 15] = mm->brd8; |
| memfn.rd8[0xf0000 >> 15] = mm->brd8; | memfn0.rd8[0xf0000 >> 15] = mm->brd8; |
| memfn.rd8[0xf8000 >> 15] = mm->ird8; | memfn0.rd8[0xf8000 >> 15] = mm->ird8; |
| memfn.wr8[0xe8000 >> 15] = mm->bwr8; | memfn0.wr8[0xe8000 >> 15] = mm->bwr8; |
| memfn.wr8[0xf0000 >> 15] = mm->bwr8; | memfn0.wr8[0xf0000 >> 15] = mm->bwr8; |
| memfn.wr8[0xf8000 >> 15] = mm->bwr8; | memfn0.wr8[0xf8000 >> 15] = mm->bwr8; |
| memfn.rd16[0xe8000 >> 15] = mm->brd16; | memfn0.rd16[0xe8000 >> 15] = mm->brd16; |
| memfn.rd16[0xf0000 >> 15] = mm->brd16; | memfn0.rd16[0xf0000 >> 15] = mm->brd16; |
| memfn.rd16[0xf8000 >> 15] = mm->ird16; | memfn0.rd16[0xf8000 >> 15] = mm->ird16; |
| memfn.wr16[0xe8000 >> 15] = mm->bwr16; | memfn0.wr16[0xe8000 >> 15] = mm->bwr16; |
| memfn.wr16[0xf0000 >> 15] = mm->bwr16; | memfn0.wr16[0xf0000 >> 15] = mm->bwr16; |
| memfn.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); |
| memfn.rd8[0xa8000 >> 15] = vacc->rd8; | |
| memfn.rd8[0xb0000 >> 15] = vacc->rd8; | memfn0.rd8[0xa8000 >> 15] = vacc->rd8; |
| memfn.rd8[0xb8000 >> 15] = vacc->rd8; | memfn0.rd8[0xb0000 >> 15] = vacc->rd8; |
| memfn.rd8[0xe0000 >> 15] = vacc->rd8; | memfn0.rd8[0xb8000 >> 15] = vacc->rd8; |
| memfn0.rd8[0xe0000 >> 15] = vacc->rd8; | |
| memfn.wr8[0xa8000 >> 15] = vacc->wr8; | |
| memfn.wr8[0xb0000 >> 15] = vacc->wr8; | memfn0.wr8[0xa8000 >> 15] = vacc->wr8; |
| memfn.wr8[0xb8000 >> 15] = vacc->wr8; | memfn0.wr8[0xb0000 >> 15] = vacc->wr8; |
| memfn.wr8[0xe0000 >> 15] = vacc->wr8; | memfn0.wr8[0xb8000 >> 15] = vacc->wr8; |
| memfn0.wr8[0xe0000 >> 15] = vacc->wr8; | |
| memfn.rd16[0xa8000 >> 15] = vacc->rd16; | |
| memfn.rd16[0xb0000 >> 15] = vacc->rd16; | memfn0.rd16[0xa8000 >> 15] = vacc->rd16; |
| memfn.rd16[0xb8000 >> 15] = vacc->rd16; | memfn0.rd16[0xb0000 >> 15] = vacc->rd16; |
| memfn.rd16[0xe0000 >> 15] = vacc->rd16; | memfn0.rd16[0xb8000 >> 15] = vacc->rd16; |
| memfn0.rd16[0xe0000 >> 15] = vacc->rd16; | |
| memfn.wr16[0xa8000 >> 15] = vacc->wr16; | |
| memfn.wr16[0xb0000 >> 15] = vacc->wr16; | memfn0.wr16[0xa8000 >> 15] = vacc->wr16; |
| memfn.wr16[0xb8000 >> 15] = vacc->wr16; | memfn0.wr16[0xb0000 >> 15] = vacc->wr16; |
| memfn.wr16[0xe0000 >> 15] = vacc->wr16; | memfn0.wr16[0xb8000 >> 15] = vacc->wr16; |
| memfn0.wr16[0xe0000 >> 15] = vacc->wr16; | |
| if (!(func & 0x10)) { // digital | |
| memfn.wr8[0xe0000 >> 15] = i286_wn; | if (!(func & (1 << VOPBIT_ANALOG))) { // digital |
| memfn.wr16[0xe0000 >> 15] = i286w_wn; | memfn0.rd8[0xe0000 >> 15] = memnc_rd8; |
| memfn.rd8[0xe0000 >> 15] = i286_nonram_r; | memfn0.wr8[0xe0000 >> 15] = memnc_wr8; |
| memfn.rd16[0xe0000 >> 15] = i286_nonram_rw; | memfn0.rd16[0xe0000 >> 15] = memnc_rd16; |
| memfn0.wr16[0xe0000 >> 15] = memnc_wr16; | |
| } | } |
| #if defined(SUPPORT_PC9821) | #if defined(SUPPORT_PC9821) |
| } | } |
| else { | else { |
| memfn.rd8[0xa8000 >> 15] = mem9821_b0r; | memfn0.rd8[0xa8000 >> 15] = memvga0_rd8; |
| memfn.rd8[0xb0000 >> 15] = mem9821_b0r; | memfn0.rd8[0xb0000 >> 15] = memvga1_rd8; |
| memfn.rd8[0xb8000 >> 15] = i286_nonram_r; | memfn0.rd8[0xb8000 >> 15] = memnc_rd8; |
| memfn.rd8[0xe0000 >> 15] = mem9821_b2r; | memfn0.rd8[0xe0000 >> 15] = memvgaio_rd8; |
| memfn.wr8[0xa8000 >> 15] = mem9821_b0w; | memfn0.wr8[0xa8000 >> 15] = memvga0_wr8; |
| memfn.wr8[0xb0000 >> 15] = mem9821_b0w; | memfn0.wr8[0xb0000 >> 15] = memvga1_wr8; |
| memfn.wr8[0xb8000 >> 15] = i286_wn; | memfn0.wr8[0xb8000 >> 15] = memnc_wr8; |
| memfn.wr8[0xe0000 >> 15] = mem9821_b2w; | memfn0.wr8[0xe0000 >> 15] = memvgaio_wr8; |
| memfn.rd16[0xa8000 >> 15] = mem9821_b0rw; | memfn0.rd16[0xa8000 >> 15] = memvga0_rd16; |
| memfn.rd16[0xb0000 >> 15] = mem9821_b0rw; | memfn0.rd16[0xb0000 >> 15] = memvga1_rd16; |
| memfn.rd16[0xb8000 >> 15] = i286_nonram_rw; | memfn0.rd16[0xb8000 >> 15] = memnc_rd16; |
| memfn.rd16[0xe0000 >> 15] = mem9821_b2rw; | memfn0.rd16[0xe0000 >> 15] = memvgaio_rd16; |
| memfn.wr16[0xa8000 >> 15] = mem9821_b0ww; | memfn0.wr16[0xa8000 >> 15] = memvga0_wr16; |
| memfn.wr16[0xb0000 >> 15] = mem9821_b0ww; | memfn0.wr16[0xb0000 >> 15] = memvga1_wr16; |
| memfn.wr16[0xb8000 >> 15] = i286w_wn; | memfn0.wr16[0xb8000 >> 15] = memnc_wr16; |
| memfn.wr16[0xe0000 >> 15] = mem9821_b2ww; | 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) { | |
| address -= 0xf00000; | |
| 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 | |
| // ---- | |
| if (addr < I286_MEMREADMAX) { | REG8 MEMCALL memp_read8(UINT32 address) { |
| return(mem[addr]); | |
| 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(memfn.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(mem9821_r(addr)); | |
| } | } |
| else if ((addr >= 0xfff00000) && (addr < 0xfff80000)) { | else if (address < 0x01000000) { |
| return(mem9821_r(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(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 >= 0x00f00000) && (addr < 0x00f80000)) { | else if ((address >= 0xfff00000) && (address < 0xfff80000)) { |
| return(mem9821_rw(addr)); | return(memvgaf_rd16(address)); |
| } | } |
| else if ((addr >= 0xfff00000) && (addr < 0xfff80000)) { | #endif // defined(SUPPORT_PC9821) |
| return(mem9821_rw(addr)); | else { |
| } | // TRACEOUT(("out of mem (read16): %x", address)); |
| #endif | return(0xffff); |
| else { | |
| // TRACEOUT(("out of mem (read16): %x", addr)); | |
| 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 ((addr >= 0x00fa0000) && (addr < 0x01000000)) { | else if (address < CPU_EXTLIMIT16) { |
| memfn.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)) { | |
| mem9821_w(addr, value); | |
| } | } |
| else if ((addr >= 0xfff00000) && (addr < 0xfff80000)) { | else if (address < 0x01000000) { |
| mem9821_w(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 { | |
| 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 >= 0x00f00000) && (addr < 0x00f80000)) { | else if ((address >= 0xfff00000) && (address < 0xfff80000)) { |
| mem9821_ww(addr, value); | memvgaf_wr16(address, value); |
| } | |
| else if ((addr >= 0xfff00000) && (addr < 0xfff80000)) { | |
| mem9821_ww(addr, value); | |
| } | |
| #endif | |
| else { | |
| // TRACEOUT(("out of mem (write16): %x", addr)); | |
| } | |
| } | } |
| #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 { | |
| 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 { | else { |
| return(i286_memoryread_w(address)); | memp_write8(address + 0, (UINT8)value); |
| memp_write16(address + 1, (UINT16)(value >> 8)); | |
| memp_write8(address + 3, (UINT8)(value >> 24)); | |
| } | } |
| } | } |
| void MEMCALL i286_membyte_write(UINT seg, UINT off, REG8 value) { | |
| UINT32 address; | void MEMCALL memp_reads(UINT32 address, void *dat, UINT leng) { |
| address = (seg << 4) + LOW16(off); | UINT8 *out = (UINT8 *)dat; |
| if (address < I286_MEMWRITEMAX) { | |
| mem[address] = (BYTE)value; | |
| } | |
| else { | |
| i286_memorywrite(address, value); | |
| } | |
| } | |
| 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) { | |
| BYTE *out = (BYTE *)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 BYTE *out = (BYTE *)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++); |
| } | } |
| } | } |
| // ---- Logical Space (BIOS) | // ---- Logical Space (BIOS) |
| static UINT32 physicaladdr(UINT32 addr, BOOL wr) { | void MEMCALL meml_reads(UINT32 address, void *dat, UINT leng) { |
| UINT32 a; | if (!CPU_STAT_PM) { |
| UINT32 pde; | memp_reads(address, dat, leng); |
| UINT32 pte; | |
| a = CPU_STAT_PDE_BASE + ((addr >> 20) & 0xffc); | |
| pde = i286_memoryread_d(a); | |
| if (!(pde & CPU_PDE_PRESENT)) { | |
| goto retdummy; | |
| } | } |
| if (!(pde & CPU_PDE_ACCESS)) { | else if (CPU_STAT_VM86) { |
| i286_memorywrite(a, (UINT8)(pde | CPU_PDE_ACCESS)); | cpu_memory_access_la_region(address, leng, |
| CPU_PAGE_READ_DATA | CPU_PAGE_USER_MODE, dat); | |
| } | } |
| a = (pde & CPU_PDE_BASEADDR_MASK) + ((addr >> 10) & 0xffc); | else { |
| pte = cpu_memoryread_d(a); | ia32_panic("%s: call from BIOS, but protected mode", __func__); |
| if (!(pte & CPU_PTE_PRESENT)) { | |
| goto retdummy; | |
| } | } |
| if (!(pte & CPU_PTE_ACCESS)) { | } |
| i286_memorywrite(a, (UINT8)(pte | CPU_PTE_ACCESS)); | |
| void MEMCALL meml_writes(UINT32 address, const void *dat, UINT leng) { | |
| if (!CPU_STAT_PM) { | |
| memp_writes(address, dat, leng); | |
| } | } |
| if ((wr) && (!(pte & CPU_PTE_DIRTY))) { | else if (CPU_STAT_VM86) { |
| i286_memorywrite(a, (UINT8)(pte | CPU_PTE_DIRTY)); | cpu_memory_access_la_region(address, leng, |
| CPU_PAGE_WRITE_DATA | CPU_PAGE_USER_MODE, (UINT8 *)dat); | |
| } | |
| else { | |
| ia32_panic("%s: call from BIOS, but protected mode", __func__); | |
| } | } |
| 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 | |
| } | } |
| REG8 MEMCALL meml_read8(UINT seg, UINT off) { | REG8 MEMCALL memr_read8(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_PM) { |
| addr = physicaladdr(addr, FALSE); | 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("%s: call from BIOS, but protected mode", __func__); | |
| return(0xff); | |
| } | } |
| return(i286_memoryread(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_PM) { |
| return(i286_memoryread_w(addr)); | return(memp_read16(addr)); |
| } | } |
| else if ((addr + 1) & 0xfff) { | else if (CPU_STAT_VM86) { |
| return(i286_memoryread_w(physicaladdr(addr, FALSE))); | return(cpu_linear_memory_read_w(addr, |
| CPU_PAGE_READ_DATA | CPU_PAGE_USER_MODE)); | |
| } | |
| else { | |
| ia32_panic("%s: call from BIOS, but protected mode", __func__); | |
| return(0xffff); | |
| } | } |
| return(meml_read8(seg, off) + (meml_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; |
| addr = (seg << 4) + LOW16(off); | addr = (seg << 4) + LOW16(off); |
| if (CPU_STAT_PAGING) { | if (!CPU_STAT_PM) { |
| addr = physicaladdr(addr, TRUE); | memp_write8(addr, dat); |
| } | |
| else if (CPU_STAT_VM86) { | |
| cpu_linear_memory_write_b(addr, dat, | |
| CPU_PAGE_WRITE_DATA | CPU_PAGE_USER_MODE); | |
| } | |
| else { | |
| ia32_panic("%s: call from BIOS, but protected mode", __func__); | |
| } | } |
| i286_memorywrite(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_PM) { |
| i286_memorywrite_w(addr, dat); | memp_write16(addr, dat); |
| } | } |
| else if ((addr + 1) & 0xfff) { | else if (CPU_STAT_VM86) { |
| i286_memorywrite_w(physicaladdr(addr, TRUE), dat); | cpu_linear_memory_write_w(addr, dat, |
| CPU_PAGE_WRITE_DATA | CPU_PAGE_USER_MODE); | |
| } | } |
| else { | else { |
| meml_write8(seg, off, (REG8)dat); | ia32_panic("%s: call from BIOS, but protected mode", __func__); |
| meml_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) { |
| UINT8 *in = dat; | |
| UINT32 addr; | UINT32 addr; |
| UINT rem; | UINT rem; |
| UINT size; | UINT size; |
| if (CPU_STAT_PM && !CPU_STAT_VM86) { | |
| ia32_panic("%s: call from BIOS, but protected mode", __func__); | |
| return; | |
| } | |
| while(leng) { | while(leng) { |
| off = LOW16(off); | off = LOW16(off); |
| addr = (seg << 4) + off; | addr = (seg << 4) + off; |
| rem = 0x10000 - off; | rem = 0x10000 - off; |
| size = min(leng, rem); | size = min(leng, rem); |
| if (CPU_STAT_PAGING) { | if (!CPU_STAT_PM) { |
| rem = 0x1000 - (addr & 0xfff); | memp_reads(addr, in, size); |
| } | |
| else { | |
| /* VM86 */ | |
| rem = CPU_PAGE_SIZE - (addr & CPU_PAGE_MASK); | |
| size = min(size, rem); | size = min(size, rem); |
| addr = physicaladdr(addr, FALSE); | cpu_memory_access_la_region(addr, size, |
| CPU_PAGE_READ_DATA | CPU_PAGE_USER_MODE, in); | |
| } | } |
| memp_read(addr, dat, size); | |
| off += size; | off += size; |
| dat = ((BYTE *)dat) + size; | in += 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; | |
| if (CPU_STAT_PM && !CPU_STAT_VM86) { | |
| ia32_panic("%s: call from BIOS, but protected mode", __func__); | |
| return; | |
| } | |
| while(leng) { | while(leng) { |
| off = LOW16(off); | off = LOW16(off); |
| addr = (seg << 4) + off; | addr = (seg << 4) + off; |
| rem = 0x10000 - off; | rem = 0x10000 - off; |
| size = min(leng, rem); | size = min(leng, rem); |
| if (CPU_STAT_PAGING) { | if (!CPU_STAT_PM) { |
| memp_writes(addr, out, size); | |
| } | |
| else { | |
| /* VM86 */ | |
| rem = 0x1000 - (addr & 0xfff); | rem = 0x1000 - (addr & 0xfff); |
| size = min(size, rem); | size = min(size, rem); |
| addr = physicaladdr(addr, TRUE); | cpu_memory_access_la_region(addr, size, |
| CPU_PAGE_WRITE_DATA | CPU_PAGE_USER_MODE, (UINT8 *)out); | |
| } | } |
| memp_write(addr, dat, size); | |
| off += size; | off += size; |
| dat = ((BYTE *)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 = ((BYTE *)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 = ((BYTE *)dat) + size; | |
| leng -= size; | |
| } | |
| } | |
| } | |
| #endif | #endif |