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| version 1.1, 2003/10/16 17:57:47 | version 1.15, 2003/12/22 01:44:59 |
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| Line 1 | Line 1 |
| #include "compiler.h" | #include "compiler.h" |
| #include "i286.h" | #include "cpucore.h" |
| #include "memory.h" | |
| #include "egcmem.h" | #include "egcmem.h" |
| #include "pccore.h" | #include "pccore.h" |
| #include "iocore.h" | #include "iocore.h" |
| Line 8 | Line 7 |
| #include "font.h" | #include "font.h" |
| #define USE_HIMEM | BYTE mem[0x200000]; |
| #define USE_HIMEM 0x10fff0 | |
| #if defined(TRACE) | |
| #define MEMORY_DEBUG | |
| #endif | |
| // ---- write byte | // ---- write byte |
| static void MEMCALL i286_wt(UINT32 address, BYTE value) { | static void MEMCALL i286_wt(UINT32 address, REG8 value) { |
| mem[address & extmem.adrsmask] = value; | mem[address & CPU_ADRSMASK] = (BYTE)value; |
| } | } |
| static void MEMCALL tram_wt(UINT32 address, BYTE value) { | static void MEMCALL tram_wt(UINT32 address, REG8 value) { |
| nevent.remainclock -= vramop.tramwait; | CPU_REMCLOCK -= MEMWAIT_TRAM; |
| if (address < 0xa2000) { | if (address < 0xa2000) { |
| mem[address] = value; | mem[address] = (BYTE)value; |
| tramupdate[(address >> 1) & 0x0fff] = 1; | tramupdate[LOW12(address >> 1)] = 1; |
| gdcs.textdisp |= 1; | gdcs.textdisp |= 1; |
| } | } |
| else if (address < 0xa3fe0) { | else if (address < 0xa3fe0) { |
| if (!(address & 1)) { | if (!(address & 1)) { |
| mem[address] = value; | mem[address] = (BYTE)value; |
| tramupdate[(address >> 1) & 0x0fff] = 1; | tramupdate[LOW12(address >> 1)] = 1; |
| gdcs.textdisp |= 1; | gdcs.textdisp |= 1; |
| } | } |
| } | } |
| else if (address < 0xa4000) { | else if (address < 0xa4000) { |
| if (!(address & 1)) { | if (!(address & 1)) { |
| if ((!(address & 2)) || (gdcs.msw_accessable)) { | if ((!(address & 2)) || (gdcs.msw_accessable)) { |
| mem[address] = value; | mem[address] = (BYTE)value; |
| tramupdate[(address >> 1) & 0x0fff] = 1; | tramupdate[LOW12(address >> 1)] = 1; |
| gdcs.textdisp |= 1; | gdcs.textdisp |= 1; |
| } | } |
| } | } |
| Line 44 static void MEMCALL tram_wt(UINT32 addre | Line 50 static void MEMCALL tram_wt(UINT32 addre |
| else if (address < 0xa5000) { | else if (address < 0xa5000) { |
| if ((address & 1) && (cgwindow.writable & 1)) { | if ((address & 1) && (cgwindow.writable & 1)) { |
| cgwindow.writable |= 0x80; | cgwindow.writable |= 0x80; |
| font[cgwindow.high + ((address >> 1) & 0x0f)] = value; | fontrom[cgwindow.high + ((address >> 1) & 0x0f)] = (BYTE)value; |
| } | } |
| } | } |
| } | } |
| static void MEMCALL vram_w0(UINT32 address, BYTE value) { | static void MEMCALL vram_w0(UINT32 address, REG8 value) { |
| nevent.remainclock -= vramop.vramwait; | CPU_REMCLOCK -= MEMWAIT_VRAM; |
| mem[address] = value; | mem[address] = (BYTE)value; |
| vramupdate[address & 0x7fff] |= 1; | vramupdate[LOW15(address)] |= 1; |
| gdcs.grphdisp |= 1; | gdcs.grphdisp |= 1; |
| } | } |
| static void MEMCALL vram_w1(UINT32 address, BYTE value) { | static void MEMCALL vram_w1(UINT32 address, REG8 value) { |
| nevent.remainclock -= vramop.vramwait; | CPU_REMCLOCK -= MEMWAIT_VRAM; |
| mem[address + VRAM_STEP] = value; | mem[address + VRAM_STEP] = (BYTE)value; |
| vramupdate[address & 0x7fff] |= 2; | vramupdate[LOW15(address)] |= 2; |
| gdcs.grphdisp |= 2; | gdcs.grphdisp |= 2; |
| } | } |
| static void MEMCALL grcg_rmw0(UINT32 address, BYTE value) { | static void MEMCALL grcg_rmw0(UINT32 address, REG8 value) { |
| BYTE mask; | REG8 mask; |
| BYTE *vram; | BYTE *vram; |
| nevent.remainclock -= vramop.grcgwait; | CPU_REMCLOCK -= MEMWAIT_GRCG; |
| mask = ~value; | mask = ~value; |
| address &= 0x7fff; | address = LOW15(address); |
| vramupdate[address] |= 1; | vramupdate[address] |= 1; |
| gdcs.grphdisp |= 1; | gdcs.grphdisp |= 1; |
| vram = mem + address; | vram = mem + address; |
| Line 94 static void MEMCALL grcg_rmw0(UINT32 add | Line 100 static void MEMCALL grcg_rmw0(UINT32 add |
| } | } |
| } | } |
| static void MEMCALL grcg_rmw1(UINT32 address, BYTE value) { | static void MEMCALL grcg_rmw1(UINT32 address, REG8 value) { |
| BYTE mask; | REG8 mask; |
| BYTE *vram; | BYTE *vram; |
| nevent.remainclock -= vramop.grcgwait; | CPU_REMCLOCK -= MEMWAIT_GRCG; |
| mask = ~value; | mask = ~value; |
| address &= 0x7fff; | address = LOW15(address); |
| vramupdate[address] |= 2; | vramupdate[address] |= 2; |
| gdcs.grphdisp |= 2; | gdcs.grphdisp |= 2; |
| vram = mem + address; | vram = mem + address; |
| Line 123 static void MEMCALL grcg_rmw1(UINT32 add | Line 129 static void MEMCALL grcg_rmw1(UINT32 add |
| } | } |
| } | } |
| static void MEMCALL grcg_tdw0(UINT32 address, BYTE value) { | static void MEMCALL grcg_tdw0(UINT32 address, REG8 value) { |
| BYTE *vram; | BYTE *vram; |
| nevent.remainclock -= vramop.grcgwait; | CPU_REMCLOCK -= MEMWAIT_GRCG; |
| address &= 0x7fff; | address = LOW15(address); |
| vramupdate[address] |= 1; | vramupdate[address] |= 1; |
| gdcs.grphdisp |= 1; | gdcs.grphdisp |= 1; |
| vram = mem + address; | vram = mem + address; |
| Line 147 static void MEMCALL grcg_tdw0(UINT32 add | Line 153 static void MEMCALL grcg_tdw0(UINT32 add |
| (void)value; | (void)value; |
| } | } |
| static void MEMCALL grcg_tdw1(UINT32 address, BYTE value) { | static void MEMCALL grcg_tdw1(UINT32 address, REG8 value) { |
| BYTE *vram; | BYTE *vram; |
| nevent.remainclock -= vramop.grcgwait; | CPU_REMCLOCK -= MEMWAIT_GRCG; |
| address &= 0x7fff; | address = LOW15(address); |
| vramupdate[address] |= 2; | vramupdate[address] |= 2; |
| gdcs.grphdisp |= 2; | gdcs.grphdisp |= 2; |
| vram = mem + address; | vram = mem + address; |
| Line 171 static void MEMCALL grcg_tdw1(UINT32 add | Line 177 static void MEMCALL grcg_tdw1(UINT32 add |
| (void)value; | (void)value; |
| } | } |
| static void MEMCALL egc_wt(UINT32 address, BYTE value) { | static void MEMCALL egc_wt(UINT32 address, REG8 value) { |
| CPU_REMCLOCK -= MEMWAIT_GRCG; | |
| egc_write(address, value); | egc_write(address, value); |
| } | } |
| static void MEMCALL emmc_wt(UINT32 address, BYTE value) { | static void MEMCALL emmc_wt(UINT32 address, REG8 value) { |
| extmem.pageptr[(address >> 14) & 3][address & 0x3fff] = value; | extmem.pageptr[(address >> 14) & 3][LOW14(address)] = (BYTE)value; |
| } | } |
| static void MEMCALL i286_wn(UINT32 address, BYTE value) { | static void MEMCALL i286_wn(UINT32 address, REG8 value) { |
| (void)address; | (void)address; |
| (void)value; | (void)value; |
| Line 190 static void MEMCALL i286_wn(UINT32 addre | Line 197 static void MEMCALL i286_wn(UINT32 addre |
| // ---- read byte | // ---- read byte |
| static BYTE MEMCALL i286_rd(UINT32 address) { | static REG8 MEMCALL i286_rd(UINT32 address) { |
| return(mem[address & extmem.adrsmask]); | return(mem[address & CPU_ADRSMASK]); |
| } | } |
| static BYTE MEMCALL tram_rd(UINT32 address) { | static REG8 MEMCALL tram_rd(UINT32 address) { |
| nevent.remainclock -= vramop.tramwait; | CPU_REMCLOCK -= MEMWAIT_TRAM; |
| if (address < 0xa4000) { | if (address < 0xa4000) { |
| return(mem[address]); | return(mem[address]); |
| } | } |
| else if (address < 0xa5000) { | else if (address < 0xa5000) { |
| if (address & 1) { | if (address & 1) { |
| return(font[cgwindow.high + ((address >> 1) & 0x0f)]); | return(fontrom[cgwindow.high + ((address >> 1) & 0x0f)]); |
| } | } |
| else { | else { |
| return(font[cgwindow.low + ((address >> 1) & 0x0f)]); | return(fontrom[cgwindow.low + ((address >> 1) & 0x0f)]); |
| } | } |
| } | } |
| return(mem[address]); | return(mem[address]); |
| } | } |
| static BYTE MEMCALL vram_r0(UINT32 address) { | static REG8 MEMCALL vram_r0(UINT32 address) { |
| nevent.remainclock -= vramop.vramwait; | CPU_REMCLOCK -= MEMWAIT_VRAM; |
| return(mem[address]); | return(mem[address]); |
| } | } |
| static BYTE MEMCALL vram_r1(UINT32 address) { | static REG8 MEMCALL vram_r1(UINT32 address) { |
| nevent.remainclock -= vramop.vramwait; | CPU_REMCLOCK -= MEMWAIT_VRAM; |
| return(mem[address + VRAM_STEP]); | return(mem[address + VRAM_STEP]); |
| } | } |
| static BYTE MEMCALL grcg_tcr0(UINT32 address) { | static REG8 MEMCALL grcg_tcr0(UINT32 address) { |
| const BYTE *vram; | const BYTE *vram; |
| BYTE ret; | REG8 ret; |
| nevent.remainclock -= vramop.grcgwait; | CPU_REMCLOCK -= MEMWAIT_GRCG; |
| vram = mem + (address & 0x7fff); | vram = mem + LOW15(address); |
| ret = 0; | ret = 0; |
| if (!(grcg.modereg & 1)) { | if (!(grcg.modereg & 1)) { |
| ret |= vram[VRAM0_B] ^ grcg.tile[0].b[0]; | ret |= vram[VRAM0_B] ^ grcg.tile[0].b[0]; |
| Line 244 const BYTE *vram; | Line 251 const BYTE *vram; |
| if (!(grcg.modereg & 8)) { | if (!(grcg.modereg & 8)) { |
| ret |= vram[VRAM0_E] ^ grcg.tile[3].b[0]; | ret |= vram[VRAM0_E] ^ grcg.tile[3].b[0]; |
| } | } |
| return(~ret); | return(ret ^ 0xff); |
| } | } |
| static BYTE MEMCALL grcg_tcr1(UINT32 address) { | static REG8 MEMCALL grcg_tcr1(UINT32 address) { |
| BYTE *vram; | const BYTE *vram; |
| BYTE ret; | REG8 ret; |
| nevent.remainclock -= vramop.grcgwait; | CPU_REMCLOCK -= MEMWAIT_GRCG; |
| ret = 0; | ret = 0; |
| vram = mem + (address & 0x7fff); | vram = mem + LOW15(address); |
| if (!(grcg.modereg & 1)) { | if (!(grcg.modereg & 1)) { |
| ret |= vram[VRAM1_B] ^ grcg.tile[0].b[0]; | ret |= vram[VRAM1_B] ^ grcg.tile[0].b[0]; |
| } | } |
| Line 267 static BYTE MEMCALL grcg_tcr1(UINT32 add | Line 274 static BYTE MEMCALL grcg_tcr1(UINT32 add |
| if (!(grcg.modereg & 8)) { | if (!(grcg.modereg & 8)) { |
| ret |= vram[VRAM1_E] ^ grcg.tile[3].b[0]; | ret |= vram[VRAM1_E] ^ grcg.tile[3].b[0]; |
| } | } |
| return(~ret); | return(ret ^ 0xff); |
| } | } |
| static BYTE MEMCALL egc_rd(UINT32 address) { | static REG8 MEMCALL egc_rd(UINT32 address) { |
| CPU_REMCLOCK -= MEMWAIT_GRCG; | |
| return(egc_read(address)); | return(egc_read(address)); |
| } | } |
| static BYTE MEMCALL emmc_rd(UINT32 address) { | static REG8 MEMCALL emmc_rd(UINT32 address) { |
| return(extmem.pageptr[(address >> 14) & 3][address & 0x3fff]); | return(extmem.pageptr[(address >> 14) & 3][LOW14(address)]); |
| } | } |
| static BYTE MEMCALL i286_itf(UINT32 address) { | static REG8 MEMCALL i286_itf(UINT32 address) { |
| if (itf.bank) { | if (CPU_ITFBANK) { |
| address = ITF_ADRS + (address & 0x7fff); | address = ITF_ADRS + LOW15(address); |
| } | } |
| return(mem[address]); | return(mem[address]); |
| } | } |
| Line 291 static BYTE MEMCALL i286_itf(UINT32 addr | Line 299 static BYTE MEMCALL i286_itf(UINT32 addr |
| // ---- write word | // ---- write word |
| static void MEMCALL i286w_wt(UINT32 address, UINT16 value) { | static void MEMCALL i286w_wt(UINT32 address, REG16 value) { |
| BYTE *ptr; | BYTE *ptr; |
| ptr = mem + (address & extmem.adrsmask); | ptr = mem + (address & CPU_ADRSMASK); |
| STOREINTELWORD(ptr, value); | STOREINTELWORD(ptr, value); |
| } | } |
| static void MEMCALL tramw_wt(UINT32 address, UINT16 value) { | static void MEMCALL tramw_wt(UINT32 address, REG16 value) { |
| CPU_REMCLOCK -= MEMWAIT_TRAM; | |
| if (address < 0xa1fff) { | if (address < 0xa1fff) { |
| STOREINTELWORD(mem + address, value); | STOREINTELWORD(mem + address, value); |
| tramupdate[(address >> 1) & 0x0fff] = 1; | tramupdate[LOW12(address >> 1)] = 1; |
| tramupdate[((address + 1) >> 1) & 0x0fff] = 1; | tramupdate[LOW12((address + 1) >> 1)] = 1; |
| gdcs.textdisp |= 1; | gdcs.textdisp |= 1; |
| } | } |
| else if (address == 0xa1fff) { | else if (address == 0xa1fff) { |
| Line 319 static void MEMCALL tramw_wt(UINT32 addr | Line 328 static void MEMCALL tramw_wt(UINT32 addr |
| value >>= 8; | value >>= 8; |
| } | } |
| mem[address] = (BYTE)value; | mem[address] = (BYTE)value; |
| tramupdate[(address >> 1) & 0x0fff] = 1; | tramupdate[LOW12(address >> 1)] = 1; |
| gdcs.textdisp |= 1; | gdcs.textdisp |= 1; |
| } | } |
| else if (address < 0xa3fff) { | else if (address < 0xa3fff) { |
| Line 329 static void MEMCALL tramw_wt(UINT32 addr | Line 338 static void MEMCALL tramw_wt(UINT32 addr |
| } | } |
| if ((!(address & 2)) || (gdcs.msw_accessable)) { | if ((!(address & 2)) || (gdcs.msw_accessable)) { |
| mem[address] = (BYTE)value; | mem[address] = (BYTE)value; |
| tramupdate[(address >> 1) & 0x0fff] = 1; | tramupdate[LOW12(address >> 1)] = 1; |
| gdcs.textdisp |= 1; | gdcs.textdisp |= 1; |
| } | } |
| } | } |
| Line 339 static void MEMCALL tramw_wt(UINT32 addr | Line 348 static void MEMCALL tramw_wt(UINT32 addr |
| } | } |
| if (cgwindow.writable & 1) { | if (cgwindow.writable & 1) { |
| cgwindow.writable |= 0x80; | cgwindow.writable |= 0x80; |
| font[cgwindow.high + ((address >> 1) & 0x0f)] = (BYTE)value; | fontrom[cgwindow.high + ((address >> 1) & 0x0f)] = (BYTE)value; |
| } | } |
| } | } |
| } | } |
| #define GRCGW_NON(page) { \ | #define GRCGW_NON(page) { \ |
| nevent.remainclock -= vramop.vramwait; \ | CPU_REMCLOCK -= MEMWAIT_VRAM; \ |
| STOREINTELWORD(mem + address + VRAM_STEP*(page), value); \ | STOREINTELWORD(mem + address + VRAM_STEP*(page), value); \ |
| vramupdate[address & 0x7fff] |= (1 << page); \ | vramupdate[LOW15(address)] |= (1 << page); \ |
| vramupdate[(address + 1) & 0x7fff] |= (1 << page); \ | vramupdate[LOW15(address + 1)] |= (1 << page); \ |
| gdcs.grphdisp |= (1 << page); \ | gdcs.grphdisp |= (1 << page); \ |
| } | } |
| #define GRCGW_RMW(page) { \ | #define GRCGW_RMW(page) { \ |
| BYTE *vram; \ | BYTE *vram; \ |
| nevent.remainclock -= vramop.grcgwait; \ | CPU_REMCLOCK -= MEMWAIT_GRCG; \ |
| address &= 0x7fff; \ | address = LOW15(address); \ |
| vramupdate[address] |= (1 << page); \ | vramupdate[address] |= (1 << page); \ |
| vramupdate[address + 1] |= (1 << page); \ | vramupdate[address + 1] |= (1 << page); \ |
| gdcs.grphdisp |= (1 << page); \ | gdcs.grphdisp |= (1 << page); \ |
| Line 401 static void MEMCALL tramw_wt(UINT32 addr | Line 410 static void MEMCALL tramw_wt(UINT32 addr |
| #define GRCGW_TDW(page) { \ | #define GRCGW_TDW(page) { \ |
| BYTE *vram; \ | BYTE *vram; \ |
| nevent.remainclock -= vramop.grcgwait; \ | CPU_REMCLOCK -= MEMWAIT_GRCG; \ |
| address &= 0x7fff; \ | address = LOW15(address); \ |
| vramupdate[address] |= (1 << page); \ | vramupdate[address] |= (1 << page); \ |
| vramupdate[address + 1] |= (1 << page); \ | vramupdate[address + 1] |= (1 << page); \ |
| gdcs.grphdisp |= (1 << page); \ | gdcs.grphdisp |= (1 << page); \ |
| Line 426 static void MEMCALL tramw_wt(UINT32 addr | Line 435 static void MEMCALL tramw_wt(UINT32 addr |
| (void)value; \ | (void)value; \ |
| } | } |
| static void MEMCALL vramw_w0(UINT32 address, UINT16 value) GRCGW_NON(0) | static void MEMCALL vramw_w0(UINT32 address, REG16 value) GRCGW_NON(0) |
| static void MEMCALL vramw_w1(UINT32 address, UINT16 value) GRCGW_NON(1) | static void MEMCALL vramw_w1(UINT32 address, REG16 value) GRCGW_NON(1) |
| static void MEMCALL grcgw_rmw0(UINT32 address, UINT16 value) GRCGW_RMW(0) | static void MEMCALL grcgw_rmw0(UINT32 address, REG16 value) GRCGW_RMW(0) |
| static void MEMCALL grcgw_rmw1(UINT32 address, UINT16 value) GRCGW_RMW(1) | static void MEMCALL grcgw_rmw1(UINT32 address, REG16 value) GRCGW_RMW(1) |
| static void MEMCALL grcgw_tdw0(UINT32 address, UINT16 value) GRCGW_TDW(0) | static void MEMCALL grcgw_tdw0(UINT32 address, REG16 value) GRCGW_TDW(0) |
| static void MEMCALL grcgw_tdw1(UINT32 address, UINT16 value) GRCGW_TDW(1) | static void MEMCALL grcgw_tdw1(UINT32 address, REG16 value) GRCGW_TDW(1) |
| static void MEMCALL egcw_wt(UINT32 address, UINT16 value) { | static void MEMCALL egcw_wt(UINT32 address, REG16 value) { |
| CPU_REMCLOCK -= MEMWAIT_GRCG; | |
| if (!(address & 1)) { | if (!(address & 1)) { |
| egc_write_w(address, value); | egc_write_w(address, value); |
| } | } |
| else { | else { |
| if (!(egc.sft & 0x1000)) { | if (!(egc.sft & 0x1000)) { |
| egc_write(address, (BYTE)value); | egc_write(address, (REG8)value); |
| egc_write(address + 1, (BYTE)(value >> 8)); | egc_write(address + 1, (REG8)(value >> 8)); |
| } | } |
| else { | else { |
| egc_write(address + 1, (BYTE)(value >> 8)); | egc_write(address + 1, (REG8)(value >> 8)); |
| egc_write(address, (BYTE)value); | egc_write(address, (REG8)value); |
| } | } |
| } | } |
| } | } |
| static void MEMCALL emmcw_wt(UINT32 address, UINT16 value) { | static void MEMCALL emmcw_wt(UINT32 address, REG16 value) { |
| BYTE *ptr; | BYTE *ptr; |
| if ((address & 0x3fff) != 0x3fff) { | if ((address & 0x3fff) != 0x3fff) { |
| ptr = extmem.pageptr[(address >> 14) & 3] + (address & 0x3fff); | ptr = extmem.pageptr[(address >> 14) & 3] + LOW14(address); |
| STOREINTELWORD(ptr, value); | STOREINTELWORD(ptr, value); |
| } | } |
| else { | else { |
| extmem.pageptr[(address >> 14) & 3][0x3fff] = (BYTE)value; | extmem.pageptr[(address >> 14) & 3][0x3fff] = (BYTE)value; |
| extmem.pageptr[((address + 1)>> 14) & 3][0] = (BYTE)(value >> 8); | extmem.pageptr[((address + 1) >> 14) & 3][0] = (BYTE)(value >> 8); |
| } | } |
| } | } |
| static void MEMCALL i286w_wn(UINT32 address, UINT16 value) { | static void MEMCALL i286w_wn(UINT32 address, REG16 value) { |
| (void)address; | (void)address; |
| (void)value; | (void)value; |
| Line 473 static void MEMCALL i286w_wn(UINT32 addr | Line 483 static void MEMCALL i286w_wn(UINT32 addr |
| // ---- read word | // ---- read word |
| static UINT16 MEMCALL i286w_rd(UINT32 address) { | static REG16 MEMCALL i286w_rd(UINT32 address) { |
| BYTE *ptr; | BYTE *ptr; |
| ptr = mem + (address & extmem.adrsmask); | ptr = mem + (address & CPU_ADRSMASK); |
| return(LOADINTELWORD(ptr)); | return(LOADINTELWORD(ptr)); |
| } | } |
| static UINT16 MEMCALL tramw_rd(UINT32 address) { | static REG16 MEMCALL tramw_rd(UINT32 address) { |
| nevent.remainclock -= vramop.tramwait; | CPU_REMCLOCK -= MEMWAIT_TRAM; |
| if (address < (0xa4000 - 1)) { | if (address < (0xa4000 - 1)) { |
| return(LOADINTELWORD(mem + address)); | return(LOADINTELWORD(mem + address)); |
| } | } |
| else if (address == 0xa3fff) { | else if (address == 0xa3fff) { |
| return(mem[address] + (font[cgwindow.low] << 8)); | return(mem[address] + (fontrom[cgwindow.low] << 8)); |
| } | } |
| else if (address < 0xa4fff) { | else if (address < 0xa4fff) { |
| if (address & 1) { | if (address & 1) { |
| UINT16 ret; | REG16 ret; |
| ret = font[cgwindow.high + ((address >> 1) & 0x0f)]; | ret = fontrom[cgwindow.high + ((address >> 1) & 0x0f)]; |
| ret += font[cgwindow.low + (((address + 1) >> 1) & 0x0f)] << 8; | ret += fontrom[cgwindow.low + (((address + 1) >> 1) & 0x0f)] << 8; |
| return(ret); | return(ret); |
| } | } |
| else { | else { |
| UINT16 ret; | REG16 ret; |
| ret = font[cgwindow.low + ((address >> 1) & 0x0f)]; | ret = fontrom[cgwindow.low + ((address >> 1) & 0x0f)]; |
| ret += font[cgwindow.high + ((address >> 1) & 0x0f)] << 8; | ret += fontrom[cgwindow.high + ((address >> 1) & 0x0f)] << 8; |
| return(ret); | return(ret); |
| } | } |
| } | } |
| else if (address == 0xa4fff) { | else if (address == 0xa4fff) { |
| return((mem[0xa5000] << 8) | font[cgwindow.high + 15]); | return((mem[0xa5000] << 8) | fontrom[cgwindow.high + 15]); |
| } | } |
| return(LOADINTELWORD(mem + address)); | return(LOADINTELWORD(mem + address)); |
| } | } |
| static UINT16 MEMCALL vramw_r0(UINT32 address) { | static REG16 MEMCALL vramw_r0(UINT32 address) { |
| nevent.remainclock -= vramop.vramwait; | CPU_REMCLOCK -= MEMWAIT_VRAM; |
| return(LOADINTELWORD(mem + address)); | return(LOADINTELWORD(mem + address)); |
| } | } |
| static UINT16 MEMCALL vramw_r1(UINT32 address) { | static REG16 MEMCALL vramw_r1(UINT32 address) { |
| nevent.remainclock -= vramop.vramwait; | CPU_REMCLOCK -= MEMWAIT_VRAM; |
| return(LOADINTELWORD(mem + address + VRAM_STEP)); | return(LOADINTELWORD(mem + address + VRAM_STEP)); |
| } | } |
| static UINT16 MEMCALL grcgw_tcr0(UINT32 address) { | static REG16 MEMCALL grcgw_tcr0(UINT32 address) { |
| BYTE *vram; | BYTE *vram; |
| UINT16 ret; | REG16 ret; |
| nevent.remainclock -= vramop.grcgwait; | CPU_REMCLOCK -= MEMWAIT_GRCG; |
| ret = 0; | ret = 0; |
| vram = mem + (address & 0x7fff); | vram = mem + LOW15(address); |
| if (!(grcg.modereg & 1)) { | if (!(grcg.modereg & 1)) { |
| ret |= LOADINTELWORD(vram + VRAM0_B) ^ grcg.tile[0].w; | ret |= LOADINTELWORD(vram + VRAM0_B) ^ grcg.tile[0].w; |
| } | } |
| Line 542 static UINT16 MEMCALL grcgw_tcr0(UINT32 | Line 552 static UINT16 MEMCALL grcgw_tcr0(UINT32 |
| if (!(grcg.modereg & 8)) { | if (!(grcg.modereg & 8)) { |
| ret |= LOADINTELWORD(vram + VRAM0_E) ^ grcg.tile[3].w; | ret |= LOADINTELWORD(vram + VRAM0_E) ^ grcg.tile[3].w; |
| } | } |
| return(~ret); | return((UINT16)~ret); |
| } | } |
| static UINT16 MEMCALL grcgw_tcr1(UINT32 address) { | static REG16 MEMCALL grcgw_tcr1(UINT32 address) { |
| BYTE *vram; | BYTE *vram; |
| UINT16 ret; | REG16 ret; |
| nevent.remainclock -= vramop.grcgwait; | CPU_REMCLOCK -= MEMWAIT_GRCG; |
| ret = 0; | ret = 0; |
| vram = mem + (address & 0x7fff); | vram = mem + LOW15(address); |
| if (!(grcg.modereg & 1)) { | if (!(grcg.modereg & 1)) { |
| ret |= LOADINTELWORD(vram + VRAM1_B) ^ grcg.tile[0].w; | ret |= LOADINTELWORD(vram + VRAM1_B) ^ grcg.tile[0].w; |
| } | } |
| Line 565 static UINT16 MEMCALL grcgw_tcr1(UINT32 | Line 575 static UINT16 MEMCALL grcgw_tcr1(UINT32 |
| if (!(grcg.modereg & 8)) { | if (!(grcg.modereg & 8)) { |
| ret |= LOADINTELWORD(vram + VRAM1_E) ^ grcg.tile[3].w; | ret |= LOADINTELWORD(vram + VRAM1_E) ^ grcg.tile[3].w; |
| } | } |
| return(~ret); | return((UINT16)(~ret)); |
| } | } |
| static UINT16 MEMCALL egcw_rd(UINT32 address) { | static REG16 MEMCALL egcw_rd(UINT32 address) { |
| UINT16 ret; | REG16 ret; |
| CPU_REMCLOCK -= MEMWAIT_GRCG; | |
| if (!(address & 1)) { | if (!(address & 1)) { |
| return(egc_read_w(address)); | return(egc_read_w(address)); |
| } | } |
| else { | else { |
| if (!(egc.sft & 0x1000)) { | if (!(egc.sft & 0x1000)) { |
| ret = egc_read(address); | ret = egc_read(address); |
| ret += (UINT16)egc_read(address + 1) << 8; | ret += egc_read(address + 1) << 8; |
| return(ret); | return(ret); |
| } | } |
| else { | else { |
| UINT16 ret; | ret = egc_read(address + 1) << 8; |
| ret = (UINT16)egc_read(address + 1) << 8; | |
| ret += egc_read(address); | ret += egc_read(address); |
| return(ret); | return(ret); |
| } | } |
| } | } |
| } | } |
| static UINT16 MEMCALL emmcw_rd(UINT32 address) { | static REG16 MEMCALL emmcw_rd(UINT32 address) { |
| BYTE *ptr; | const BYTE *ptr; |
| REG16 ret; | |
| ptr = extmem.pageptr[(address >> 14) & 3] + (address & 0x3fff); | if ((address & 0x3fff) != 0x3fff) { |
| return(LOADINTELWORD(ptr)); | ptr = extmem.pageptr[(address >> 14) & 3] + LOW14(address); |
| return(LOADINTELWORD(ptr)); | |
| } | |
| else { | |
| ret = extmem.pageptr[(address >> 14) & 3][0x3fff]; | |
| ret += extmem.pageptr[((address + 1) >> 14) & 3][0] << 8; | |
| return(ret); | |
| } | |
| } | } |
| static UINT16 MEMCALL i286w_itf(UINT32 address) { | static REG16 MEMCALL i286w_itf(UINT32 address) { |
| if (itf.bank) { | if (CPU_ITFBANK) { |
| address = ITF_ADRS + (address & 0x7fff); | address = ITF_ADRS + LOW15(address); |
| } | } |
| return(LOADINTELWORD(mem + address)); | return(LOADINTELWORD(mem + address)); |
| } | } |
| Line 609 static UINT16 MEMCALL i286w_itf(UINT32 a | Line 627 static UINT16 MEMCALL i286w_itf(UINT32 a |
| // ---- table | // ---- table |
| typedef void (MEMCALL * MEM8WRITE)(UINT32 address, BYTE value); | typedef void (MEMCALL * MEM8WRITE)(UINT32 address, REG8 value); |
| typedef BYTE (MEMCALL * MEM8READ)(UINT32 address); | typedef REG8 (MEMCALL * MEM8READ)(UINT32 address); |
| typedef void (MEMCALL * MEM16WRITE)(UINT32 address, UINT16 value); | typedef void (MEMCALL * MEM16WRITE)(UINT32 address, REG16 value); |
| typedef UINT16 (MEMCALL * MEM16READ)(UINT32 address); | typedef REG16 (MEMCALL * MEM16READ)(UINT32 address); |
| static MEM8WRITE memory_write[] = { | typedef struct { |
| i286_wt, i286_wt, i286_wt, i286_wt, // 00 | MEM8READ rd8[0x20]; |
| i286_wt, i286_wt, i286_wt, i286_wt, // 20 | MEM8WRITE wr8[0x20]; |
| i286_wt, i286_wt, i286_wt, i286_wt, // 40 | MEM16READ rd16[0x20]; |
| i286_wt, i286_wt, i286_wt, i286_wt, // 60 | MEM16WRITE wr16[0x20]; |
| i286_wt, i286_wt, i286_wt, i286_wt, // 80 | } MEMFN; |
| tram_wt, vram_w0, vram_w0, vram_w0, // a0 | |
| emmc_wt, emmc_wt, i286_wn, i286_wn, // c0 | typedef struct { |
| vram_w0, i286_wn, i286_wn, i286_wn}; // e0 | MEM8READ rd8; |
| MEM8WRITE wr8; | |
| MEM16READ rd16; | |
| MEM16WRITE wr16; | |
| } VACCTBL; | |
| static MEM8READ memory_read[] = { | static MEMFN memfn = { |
| i286_rd, i286_rd, i286_rd, i286_rd, // 00 | {i286_rd, i286_rd, i286_rd, i286_rd, // 00 |
| i286_rd, i286_rd, i286_rd, i286_rd, // 20 | i286_rd, i286_rd, i286_rd, i286_rd, // 20 |
| i286_rd, i286_rd, i286_rd, i286_rd, // 40 | i286_rd, i286_rd, i286_rd, i286_rd, // 40 |
| i286_rd, i286_rd, i286_rd, i286_rd, // 60 | i286_rd, i286_rd, i286_rd, i286_rd, // 60 |
| i286_rd, i286_rd, i286_rd, i286_rd, // 80 | i286_rd, i286_rd, i286_rd, i286_rd, // 80 |
| tram_rd, vram_r0, vram_r0, vram_r0, // a0 | tram_rd, vram_r0, vram_r0, vram_r0, // a0 |
| emmc_rd, emmc_rd, i286_rd, i286_rd, // c0 | emmc_rd, emmc_rd, i286_rd, i286_rd, // c0 |
| vram_r0, i286_rd, i286_rd, i286_itf}; // f0 | vram_r0, i286_rd, i286_rd, i286_itf}, // f0 |
| static MEM16WRITE memword_write[] = { | {i286_wt, i286_wt, i286_wt, i286_wt, // 00 |
| i286w_wt, i286w_wt, i286w_wt, i286w_wt, // 00 | i286_wt, i286_wt, i286_wt, i286_wt, // 20 |
| i286w_wt, i286w_wt, i286w_wt, i286w_wt, // 20 | i286_wt, i286_wt, i286_wt, i286_wt, // 40 |
| i286w_wt, i286w_wt, i286w_wt, i286w_wt, // 40 | i286_wt, i286_wt, i286_wt, i286_wt, // 60 |
| i286w_wt, i286w_wt, i286w_wt, i286w_wt, // 60 | i286_wt, i286_wt, i286_wt, i286_wt, // 80 |
| i286w_wt, i286w_wt, i286w_wt, i286w_wt, // 80 | tram_wt, vram_w0, vram_w0, vram_w0, // a0 |
| tramw_wt, vramw_w0, vramw_w0, vramw_w0, // a0 | emmc_wt, emmc_wt, i286_wn, i286_wn, // c0 |
| emmcw_wt, emmcw_wt, i286w_wn, i286w_wn, // c0 | vram_w0, i286_wn, i286_wn, i286_wn}, // e0 |
| vramw_w0, i286w_wn, i286w_wn, i286w_wn}; // e0 | |
| static MEM16READ memword_read[] = { | {i286w_rd, i286w_rd, i286w_rd, i286w_rd, // 00 |
| i286w_rd, i286w_rd, i286w_rd, i286w_rd, // 00 | |
| i286w_rd, i286w_rd, i286w_rd, i286w_rd, // 20 | i286w_rd, i286w_rd, i286w_rd, i286w_rd, // 20 |
| i286w_rd, i286w_rd, i286w_rd, i286w_rd, // 40 | i286w_rd, i286w_rd, i286w_rd, i286w_rd, // 40 |
| i286w_rd, i286w_rd, i286w_rd, i286w_rd, // 60 | i286w_rd, i286w_rd, i286w_rd, i286w_rd, // 60 |
| i286w_rd, i286w_rd, i286w_rd, i286w_rd, // 80 | i286w_rd, i286w_rd, i286w_rd, i286w_rd, // 80 |
| tramw_rd, vramw_r0, vramw_r0, vramw_r0, // a0 | tramw_rd, vramw_r0, vramw_r0, vramw_r0, // a0 |
| emmcw_rd, emmcw_rd, i286w_rd, i286w_rd, // c0 | emmcw_rd, emmcw_rd, i286w_rd, i286w_rd, // c0 |
| vramw_r0, i286w_rd, i286w_rd, i286w_itf}; // e0 | vramw_r0, i286w_rd, i286w_rd, i286w_itf}, // e0 |
| static const MEM8WRITE vram_write[] = { | {i286w_wt, i286w_wt, i286w_wt, i286w_wt, // 00 |
| vram_w0, vram_w1, vram_w0, vram_w1, // 00 | i286w_wt, i286w_wt, i286w_wt, i286w_wt, // 20 |
| vram_w0, vram_w1, vram_w0, vram_w1, // 40 | i286w_wt, i286w_wt, i286w_wt, i286w_wt, // 40 |
| grcg_tdw0, grcg_tdw1, egc_wt, egc_wt, // 80 tdw/tcr | i286w_wt, i286w_wt, i286w_wt, i286w_wt, // 60 |
| grcg_rmw0, grcg_rmw1, egc_wt, egc_wt}; // c0 rmw | i286w_wt, i286w_wt, i286w_wt, i286w_wt, // 80 |
| tramw_wt, vramw_w0, vramw_w0, vramw_w0, // a0 | |
| static const MEM8READ vram_read[] = { | emmcw_wt, emmcw_wt, i286w_wn, i286w_wn, // c0 |
| vram_r0, vram_r1, vram_r0, vram_r1, // 00 | vramw_w0, i286w_wn, i286w_wn, i286w_wn}}; // e0 |
| vram_r0, vram_r1, vram_r0, vram_r1, // 40 | |
| grcg_tcr0, grcg_tcr1, egc_rd, egc_rd, // 80 tdw/tcr | static const VACCTBL vacctbl[0x10] = { |
| vram_r0, vram_r1, egc_rd, egc_rd}; // c0 rmw | {vram_r0, vram_w0, vramw_r0, vramw_w0}, // 00 |
| {vram_r1, vram_w1, vramw_r1, vramw_w1}, | |
| static const MEM16WRITE vramw_write[] = { | {vram_r0, vram_w0, vramw_r0, vramw_w0}, |
| vramw_w0, vramw_w1, vramw_w0, vramw_w1, // 00 | {vram_r1, vram_w1, vramw_r1, vramw_w1}, |
| vramw_w0, vramw_w1, vramw_w0, vramw_w1, // 40 | {vram_r0, vram_w0, vramw_r0, vramw_w0}, // 40 |
| grcgw_tdw0, grcgw_tdw1, egcw_wt, egcw_wt, // 80 tdw/tcr | {vram_r1, vram_w1, vramw_r1, vramw_w1}, |
| grcgw_rmw0, grcgw_rmw1, egcw_wt, egcw_wt}; // c0 rmw | {vram_r0, vram_w0, vramw_r0, vramw_w0}, |
| {vram_r1, vram_w1, vramw_r1, vramw_w1}, | |
| static const MEM16READ vramw_read[] = { | {grcg_tcr0, grcg_tdw0, grcgw_tcr0, grcgw_tdw0}, // 80 tdw/tcr |
| vramw_r0, vramw_r1, vramw_r0, vramw_r1, // 00 | {grcg_tcr1, grcg_tdw1, grcgw_tcr1, grcgw_tdw1}, |
| vramw_r0, vramw_r1, vramw_r0, vramw_r1, // 40 | {egc_rd, egc_wt, egcw_rd, egcw_wt}, |
| grcgw_tcr0, grcgw_tcr1, egcw_rd, egcw_rd, // 80 tdw/tcr | {egc_rd, egc_wt, egcw_rd, egcw_wt}, |
| vramw_r0, vramw_r1, egcw_rd, egcw_rd}; // c0 rmw | {vram_r0, grcg_rmw0, vramw_r0, grcgw_rmw0}, // c0 rmw |
| {vram_r1, grcg_rmw1, vramw_r1, grcgw_rmw1}, | |
| {egc_rd, egc_wt, egcw_rd, egcw_wt}, | |
| {egc_rd, egc_wt, egcw_rd, egcw_wt}}; | |
| static BYTE MEMCALL i286_nonram_r(UINT32 address) { | static REG8 MEMCALL i286_nonram_r(UINT32 address) { |
| (void)address; | (void)address; |
| return(0xff); | return(0xff); |
| } | } |
| static UINT16 MEMCALL i286_nonram_rw(UINT32 address) { | static REG16 MEMCALL i286_nonram_rw(UINT32 address) { |
| (void)address; | (void)address; |
| return(0xffff); | return(0xffff); |
| Line 693 static UINT16 MEMCALL i286_nonram_rw(UIN | Line 716 static UINT16 MEMCALL i286_nonram_rw(UIN |
| void MEMCALL i286_vram_dispatch(UINT func) { | void MEMCALL i286_vram_dispatch(UINT func) { |
| UINT proc; | const VACCTBL *vacc; |
| proc = func & 0x0f; | vacc = vacctbl + (func & 0x0f); |
| memory_write[0xa8000 >> 15] = vram_write[proc]; | |
| memory_write[0xb0000 >> 15] = vram_write[proc]; | memfn.rd8[0xa8000 >> 15] = vacc->rd8; |
| memory_write[0xb8000 >> 15] = vram_write[proc]; | memfn.rd8[0xb0000 >> 15] = vacc->rd8; |
| memory_write[0xe0000 >> 15] = vram_write[proc]; | memfn.rd8[0xb8000 >> 15] = vacc->rd8; |
| memfn.rd8[0xe0000 >> 15] = vacc->rd8; | |
| memory_read[0xa8000 >> 15] = vram_read[proc]; | |
| memory_read[0xb0000 >> 15] = vram_read[proc]; | memfn.wr8[0xa8000 >> 15] = vacc->wr8; |
| memory_read[0xb8000 >> 15] = vram_read[proc]; | memfn.wr8[0xb0000 >> 15] = vacc->wr8; |
| memory_read[0xe0000 >> 15] = vram_read[proc]; | memfn.wr8[0xb8000 >> 15] = vacc->wr8; |
| memfn.wr8[0xe0000 >> 15] = vacc->wr8; | |
| memword_write[0xa8000 >> 15] = vramw_write[proc]; | |
| memword_write[0xb0000 >> 15] = vramw_write[proc]; | memfn.rd16[0xa8000 >> 15] = vacc->rd16; |
| memword_write[0xb8000 >> 15] = vramw_write[proc]; | memfn.rd16[0xb0000 >> 15] = vacc->rd16; |
| memword_write[0xe0000 >> 15] = vramw_write[proc]; | memfn.rd16[0xb8000 >> 15] = vacc->rd16; |
| memfn.rd16[0xe0000 >> 15] = vacc->rd16; | |
| memword_read[0xa8000 >> 15] = vramw_read[proc]; | |
| memword_read[0xb0000 >> 15] = vramw_read[proc]; | memfn.wr16[0xa8000 >> 15] = vacc->wr16; |
| memword_read[0xb8000 >> 15] = vramw_read[proc]; | memfn.wr16[0xb0000 >> 15] = vacc->wr16; |
| memword_read[0xe0000 >> 15] = vramw_read[proc]; | memfn.wr16[0xb8000 >> 15] = vacc->wr16; |
| memfn.wr16[0xe0000 >> 15] = vacc->wr16; | |
| if (!(func & 0x10)) { // degital | if (!(func & 0x10)) { // degital |
| memory_write[0xe0000 >> 15] = i286_wn; | memfn.wr8[0xe0000 >> 15] = i286_wn; |
| memword_write[0xe0000 >> 15] = i286w_wn; | memfn.wr16[0xe0000 >> 15] = i286w_wn; |
| memory_read[0xe0000 >> 15] = i286_nonram_r; | memfn.rd8[0xe0000 >> 15] = i286_nonram_r; |
| memword_read[0xe0000 >> 15] = i286_nonram_rw; | memfn.rd16[0xe0000 >> 15] = i286_nonram_rw; |
| } | |
| } | |
| #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); | |
| } | } |
| } | } |
| BYTE MEMCALL i286_memoryread(UINT32 address) { | 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) { | |
| if (address < I286_MEMREADMAX) { | if (address < I286_MEMREADMAX) { |
| return(mem[address]); | return(mem[address]); |
| } | } |
| #if defined(USE_HIMEM) | #if defined(USE_HIMEM) |
| else if (address >= 0x10fff0) { | else if (address >= USE_HIMEM) { |
| address -= 0x100000; | address -= 0x100000; |
| if (address < extmemmng_size) { | if (address < CPU_EXTMEMSIZE) { |
| return(extmemmng_ptr[address]); | return(CPU_EXTMEM[address]); |
| } | } |
| else { | else { |
| return(0xff); | return(0xff); |
| Line 741 BYTE MEMCALL i286_memoryread(UINT32 addr | Line 849 BYTE MEMCALL i286_memoryread(UINT32 addr |
| } | } |
| #endif | #endif |
| else { | else { |
| return(memory_read[(address >> 15) & 0x1f](address)); | return(memfn.rd8[(address >> 15) & 0x1f](address)); |
| } | } |
| } | } |
| UINT16 MEMCALL i286_memoryread_w(UINT32 address) { | REG16 MEMCALL i286_memoryread_w(UINT32 address) { |
| UINT16 ret; | REG16 ret; |
| if (address < (I286_MEMREADMAX - 1)) { | if (address < (I286_MEMREADMAX - 1)) { |
| return(LOADINTELWORD(mem + address)); | return(LOADINTELWORD(mem + address)); |
| } | } |
| #if defined(USE_HIMEM) | #if defined(USE_HIMEM) |
| else if (address >= (0x10fff0 - 1)) { | else if (address >= (USE_HIMEM - 1)) { |
| address -= 0x100000; | address -= 0x100000; |
| if (address == (0x00fff0 - 1)) { | if (address == (USE_HIMEM - 0x100000 - 1)) { |
| ret = mem[0x100000 + address]; | ret = mem[0x100000 + address]; |
| } | } |
| else if (address < extmemmng_size) { | else if (address < CPU_EXTMEMSIZE) { |
| ret = extmemmng_ptr[address]; | ret = CPU_EXTMEM[address]; |
| } | } |
| else { | else { |
| ret = 0xff; | ret = 0xff; |
| } | } |
| address++; | address++; |
| if (address < extmemmng_size) { | if (address < CPU_EXTMEMSIZE) { |
| ret += extmemmng_ptr[address] << 8; | ret += CPU_EXTMEM[address] << 8; |
| } | } |
| else { | else { |
| ret += 0xff00; | ret += 0xff00; |
| Line 775 UINT16 MEMCALL i286_memoryread_w(UINT32 | Line 883 UINT16 MEMCALL i286_memoryread_w(UINT32 |
| } | } |
| #endif | #endif |
| else if ((address & 0x7fff) != 0x7fff) { | else if ((address & 0x7fff) != 0x7fff) { |
| return(memword_read[(address >> 15) & 0x1f](address)); | return(memfn.rd16[(address >> 15) & 0x1f](address)); |
| } | } |
| else { | else { |
| ret = memory_read[(address >> 15) & 0x1f](address); | ret = memfn.rd8[(address >> 15) & 0x1f](address); |
| address++; | address++; |
| ret += memory_read[(address >> 15) & 0x1f](address) << 8; | ret += memfn.rd8[(address >> 15) & 0x1f](address) << 8; |
| return(ret); | return(ret); |
| } | } |
| } | } |
| #endif | |
| void MEMCALL i286_memorywrite(UINT32 address, BYTE value) { | void MEMCALL i286_memorywrite(UINT32 address, REG8 value) { |
| if (address < I286_MEMWRITEMAX) { | if (address < I286_MEMWRITEMAX) { |
| mem[address] = value; | mem[address] = (BYTE)value; |
| } | } |
| #if defined(USE_HIMEM) | #if defined(USE_HIMEM) |
| else if (address >= 0x10fff0) { | else if (address >= USE_HIMEM) { |
| address -= 0x100000; | address -= 0x100000; |
| if (address < extmemmng_size) { | if (address < CPU_EXTMEMSIZE) { |
| extmemmng_ptr[address] = value; | CPU_EXTMEM[address] = (BYTE)value; |
| } | } |
| } | } |
| #endif | #endif |
| else { | else { |
| memory_write[(address >> 15) & 0x1f](address, value); | memfn.wr8[(address >> 15) & 0x1f](address, value); |
| } | } |
| } | } |
| void MEMCALL i286_memorywrite_w(UINT32 address, UINT16 value) { | void MEMCALL i286_memorywrite_w(UINT32 address, REG16 value) { |
| if (address < (I286_MEMWRITEMAX - 1)) { | if (address < (I286_MEMWRITEMAX - 1)) { |
| STOREINTELWORD(mem + address, value); | STOREINTELWORD(mem + address, value); |
| } | } |
| #if defined(USE_HIMEM) | #if defined(USE_HIMEM) |
| else if (address >= (0x10fff0 - 1)) { | else if (address >= (USE_HIMEM - 1)) { |
| address -= 0x100000; | address -= 0x100000; |
| if (address == (0x00fff0 - 1)) { | if (address == (USE_HIMEM - 0x100000 - 1)) { |
| mem[address] = (BYTE)value; | mem[address] = (BYTE)value; |
| } | } |
| else if (address < extmemmng_size) { | else if (address < CPU_EXTMEMSIZE) { |
| extmemmng_ptr[address] = (BYTE)value; | CPU_EXTMEM[address] = (BYTE)value; |
| } | } |
| address++; | address++; |
| if (address < extmemmng_size) { | if (address < CPU_EXTMEMSIZE) { |
| extmemmng_ptr[address] = (BYTE)(value >> 8); | CPU_EXTMEM[address] = (BYTE)(value >> 8); |
| } | } |
| } | } |
| #endif | #endif |
| else if ((address & 0x7fff) != 0x7fff) { | else if ((address & 0x7fff) != 0x7fff) { |
| memword_write[(address >> 15) & 0x1f](address, value); | memfn.wr16[(address >> 15) & 0x1f](address, value); |
| } | } |
| else { | else { |
| memory_write[(address >> 15) & 0x1f](address, (BYTE)value); | memfn.wr8[(address >> 15) & 0x1f](address, (BYTE)value); |
| address++; | address++; |
| memory_write[(address >> 15) & 0x1f](address, (BYTE)(value >> 8)); | memfn.wr8[(address >> 15) & 0x1f](address, (BYTE)(value >> 8)); |
| } | } |
| } | } |
| BYTE MEMCALL i286_membyte_read(UINT seg, UINT off) { | REG8 MEMCALL i286_membyte_read(UINT seg, UINT off) { |
| UINT32 address; | UINT32 address; |
| address = (seg << 4) + off; | address = (seg << 4) + LOW16(off); |
| if (address < I286_MEMREADMAX) { | if (address < I286_MEMREADMAX) { |
| return(mem[address]); | return(mem[address]); |
| } | } |
| Line 846 BYTE MEMCALL i286_membyte_read(UINT seg, | Line 955 BYTE MEMCALL i286_membyte_read(UINT seg, |
| } | } |
| } | } |
| UINT16 MEMCALL i286_memword_read(UINT seg, UINT off) { | REG16 MEMCALL i286_memword_read(UINT seg, UINT off) { |
| UINT32 address; | UINT32 address; |
| address = (seg << 4) + off; | address = (seg << 4) + LOW16(off); |
| if (address < (I286_MEMREADMAX - 1)) { | if (address < (I286_MEMREADMAX - 1)) { |
| return(LOADINTELWORD(mem + address)); | return(LOADINTELWORD(mem + address)); |
| } | } |
| Line 859 UINT16 MEMCALL i286_memword_read(UINT se | Line 968 UINT16 MEMCALL i286_memword_read(UINT se |
| } | } |
| } | } |
| void MEMCALL i286_membyte_write(UINT seg, UINT off, BYTE value) { | void MEMCALL i286_membyte_write(UINT seg, UINT off, REG8 value) { |
| UINT32 address; | UINT32 address; |
| address = (seg << 4) + off; | address = (seg << 4) + LOW16(off); |
| if (address < I286_MEMWRITEMAX) { | if (address < I286_MEMWRITEMAX) { |
| mem[address] = value; | mem[address] = (BYTE)value; |
| } | } |
| else { | else { |
| i286_memorywrite(address, value); | i286_memorywrite(address, value); |
| } | } |
| } | } |
| void MEMCALL i286_memword_write(UINT seg, UINT off, UINT16 value) { | void MEMCALL i286_memword_write(UINT seg, UINT off, REG16 value) { |
| UINT32 address; | UINT32 address; |
| address = (seg << 4) + off; | address = (seg << 4) + LOW16(off); |
| if (address < (I286_MEMWRITEMAX - 1)) { | if (address < (I286_MEMWRITEMAX - 1)) { |
| STOREINTELWORD(mem + address, value); | STOREINTELWORD(mem + address, value); |
| } | } |
| else { | else { |
| i286_memorywrite_w(address, value); | i286_memorywrite_w(address, value); |
| Line 893 void MEMCALL i286_memstr_read(UINT seg, | Line 1002 void MEMCALL i286_memstr_read(UINT seg, |
| out = (BYTE *)dat; | out = (BYTE *)dat; |
| adrs = seg << 4; | adrs = seg << 4; |
| off = LOW16(off); | |
| if ((I286_MEMREADMAX >= 0x10000) && | if ((I286_MEMREADMAX >= 0x10000) && |
| (adrs < (I286_MEMREADMAX - 0x10000))) { | (adrs < (I286_MEMREADMAX - 0x10000))) { |
| if (leng) { | if (leng) { |
| Line 917 void MEMCALL i286_memstr_read(UINT seg, | Line 1027 void MEMCALL i286_memstr_read(UINT seg, |
| else { | else { |
| while(leng--) { | while(leng--) { |
| *out++ = i286_memoryread(adrs + off); | *out++ = i286_memoryread(adrs + off); |
| off = (off + 1) & 0xffff; | off = LOW16(off + 1); |
| } | } |
| } | } |
| } | } |
| Line 931 void MEMCALL i286_memstr_write(UINT seg, | Line 1041 void MEMCALL i286_memstr_write(UINT seg, |
| out = (BYTE *)dat; | out = (BYTE *)dat; |
| adrs = seg << 4; | adrs = seg << 4; |
| off = LOW16(off); | |
| if ((I286_MEMWRITEMAX >= 0x10000) && | if ((I286_MEMWRITEMAX >= 0x10000) && |
| (adrs < (I286_MEMWRITEMAX - 0x10000))) { | (adrs < (I286_MEMWRITEMAX - 0x10000))) { |
| if (leng) { | if (leng) { |
| Line 955 void MEMCALL i286_memstr_write(UINT seg, | Line 1066 void MEMCALL i286_memstr_write(UINT seg, |
| else { | else { |
| while(leng--) { | while(leng--) { |
| i286_memorywrite(adrs + off, *out++); | i286_memorywrite(adrs + off, *out++); |
| off = (off + 1) & 0xffff; | off = LOW16(off + 1); |
| } | } |
| } | } |
| } | } |