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| version 1.5, 2003/12/26 03:41:05 | version 1.10, 2004/02/20 16:09:04 |
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| Line 14 | Line 14 |
| BYTE mem[0x200000]; | BYTE mem[0x200000]; |
| #define USE_HIMEM | #define USE_HIMEM 0x110000 |
| // ---- write byte | // ---- write byte |
| Line 25 static void MEMCALL i286_wt(UINT32 addre | Line 25 static void MEMCALL i286_wt(UINT32 addre |
| static void MEMCALL tram_wt(UINT32 address, REG8 value) { | static void MEMCALL tram_wt(UINT32 address, REG8 value) { |
| CPU_REMCLOCK -= vramop.tramwait; | CPU_REMCLOCK -= MEMWAIT_TRAM; |
| if (address < 0xa2000) { | if (address < 0xa2000) { |
| mem[address] = (BYTE)value; | mem[address] = (BYTE)value; |
| tramupdate[LOW12(address >> 1)] = 1; | tramupdate[LOW12(address >> 1)] = 1; |
| Line 57 static void MEMCALL tram_wt(UINT32 addre | Line 57 static void MEMCALL tram_wt(UINT32 addre |
| static void MEMCALL vram_w0(UINT32 address, REG8 value) { | static void MEMCALL vram_w0(UINT32 address, REG8 value) { |
| CPU_REMCLOCK -= vramop.vramwait; | CPU_REMCLOCK -= MEMWAIT_VRAM; |
| mem[address] = (BYTE)value; | mem[address] = (BYTE)value; |
| vramupdate[LOW15(address)] |= 1; | vramupdate[LOW15(address)] |= 1; |
| gdcs.grphdisp |= 1; | gdcs.grphdisp |= 1; |
| Line 65 static void MEMCALL vram_w0(UINT32 addre | Line 65 static void MEMCALL vram_w0(UINT32 addre |
| static void MEMCALL vram_w1(UINT32 address, REG8 value) { | static void MEMCALL vram_w1(UINT32 address, REG8 value) { |
| CPU_REMCLOCK -= vramop.vramwait; | CPU_REMCLOCK -= MEMWAIT_VRAM; |
| mem[address + VRAM_STEP] = (BYTE)value; | mem[address + VRAM_STEP] = (BYTE)value; |
| vramupdate[LOW15(address)] |= 2; | vramupdate[LOW15(address)] |= 2; |
| gdcs.grphdisp |= 2; | gdcs.grphdisp |= 2; |
| Line 76 static void MEMCALL grcg_rmw0(UINT32 add | Line 76 static void MEMCALL grcg_rmw0(UINT32 add |
| REG8 mask; | REG8 mask; |
| BYTE *vram; | BYTE *vram; |
| CPU_REMCLOCK -= vramop.grcgwait; | CPU_REMCLOCK -= MEMWAIT_GRCG; |
| mask = ~value; | mask = ~value; |
| address = LOW15(address); | address = LOW15(address); |
| vramupdate[address] |= 1; | vramupdate[address] |= 1; |
| Line 105 static void MEMCALL grcg_rmw1(UINT32 add | Line 105 static void MEMCALL grcg_rmw1(UINT32 add |
| REG8 mask; | REG8 mask; |
| BYTE *vram; | BYTE *vram; |
| CPU_REMCLOCK -= vramop.grcgwait; | CPU_REMCLOCK -= MEMWAIT_GRCG; |
| mask = ~value; | mask = ~value; |
| address = LOW15(address); | address = LOW15(address); |
| vramupdate[address] |= 2; | vramupdate[address] |= 2; |
| Line 133 static void MEMCALL grcg_tdw0(UINT32 add | Line 133 static void MEMCALL grcg_tdw0(UINT32 add |
| BYTE *vram; | BYTE *vram; |
| CPU_REMCLOCK -= vramop.grcgwait; | CPU_REMCLOCK -= MEMWAIT_GRCG; |
| address = LOW15(address); | address = LOW15(address); |
| vramupdate[address] |= 1; | vramupdate[address] |= 1; |
| gdcs.grphdisp |= 1; | gdcs.grphdisp |= 1; |
| Line 157 static void MEMCALL grcg_tdw1(UINT32 add | Line 157 static void MEMCALL grcg_tdw1(UINT32 add |
| BYTE *vram; | BYTE *vram; |
| CPU_REMCLOCK -= vramop.grcgwait; | CPU_REMCLOCK -= MEMWAIT_GRCG; |
| address = LOW15(address); | address = LOW15(address); |
| vramupdate[address] |= 2; | vramupdate[address] |= 2; |
| gdcs.grphdisp |= 2; | gdcs.grphdisp |= 2; |
| Line 179 static void MEMCALL grcg_tdw1(UINT32 add | Line 179 static void MEMCALL grcg_tdw1(UINT32 add |
| static void MEMCALL egc_wt(UINT32 address, REG8 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, REG8 value) { | static void MEMCALL i286_wb(UINT32 address, REG8 value) { |
| extmem.pageptr[(address >> 14) & 3][LOW14(address)] = (BYTE)value; | mem[address + 0x1c8000 - 0xe8000] = (BYTE)value; |
| } | } |
| static void MEMCALL i286_wn(UINT32 address, REG8 value) { | static void MEMCALL i286_wn(UINT32 address, REG8 value) { |
| Line 203 static REG8 MEMCALL i286_rd(UINT32 addre | Line 204 static REG8 MEMCALL i286_rd(UINT32 addre |
| static REG8 MEMCALL tram_rd(UINT32 address) { | static REG8 MEMCALL tram_rd(UINT32 address) { |
| CPU_REMCLOCK -= vramop.tramwait; | CPU_REMCLOCK -= MEMWAIT_TRAM; |
| if (address < 0xa4000) { | if (address < 0xa4000) { |
| return(mem[address]); | return(mem[address]); |
| } | } |
| Line 220 static REG8 MEMCALL tram_rd(UINT32 addre | Line 221 static REG8 MEMCALL tram_rd(UINT32 addre |
| static REG8 MEMCALL vram_r0(UINT32 address) { | static REG8 MEMCALL vram_r0(UINT32 address) { |
| CPU_REMCLOCK -= vramop.vramwait; | CPU_REMCLOCK -= MEMWAIT_VRAM; |
| return(mem[address]); | return(mem[address]); |
| } | } |
| static REG8 MEMCALL vram_r1(UINT32 address) { | static REG8 MEMCALL vram_r1(UINT32 address) { |
| CPU_REMCLOCK -= vramop.vramwait; | CPU_REMCLOCK -= MEMWAIT_VRAM; |
| return(mem[address + VRAM_STEP]); | return(mem[address + VRAM_STEP]); |
| } | } |
| Line 235 static REG8 MEMCALL grcg_tcr0(UINT32 add | Line 236 static REG8 MEMCALL grcg_tcr0(UINT32 add |
| const BYTE *vram; | const BYTE *vram; |
| REG8 ret; | REG8 ret; |
| CPU_REMCLOCK -= vramop.grcgwait; | CPU_REMCLOCK -= MEMWAIT_GRCG; |
| vram = mem + LOW15(address); | vram = mem + LOW15(address); |
| ret = 0; | ret = 0; |
| if (!(grcg.modereg & 1)) { | if (!(grcg.modereg & 1)) { |
| Line 258 static REG8 MEMCALL grcg_tcr1(UINT32 add | Line 259 static REG8 MEMCALL grcg_tcr1(UINT32 add |
| const BYTE *vram; | const BYTE *vram; |
| REG8 ret; | REG8 ret; |
| CPU_REMCLOCK -= vramop.grcgwait; | CPU_REMCLOCK -= MEMWAIT_GRCG; |
| ret = 0; | ret = 0; |
| vram = mem + LOW15(address); | vram = mem + LOW15(address); |
| if (!(grcg.modereg & 1)) { | if (!(grcg.modereg & 1)) { |
| Line 278 const BYTE *vram; | Line 279 const BYTE *vram; |
| static REG8 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 REG8 MEMCALL emmc_rd(UINT32 address) { | static REG8 MEMCALL i286_rb(UINT32 address) { |
| return(extmem.pageptr[(address >> 14) & 3][LOW14(address)]); | |
| } | |
| static REG8 MEMCALL i286_itf(UINT32 address) { | |
| if (CPU_ITFBANK) { | if (CPU_ITFBANK) { |
| address = ITF_ADRS + LOW15(address); | address += VRAM_STEP; |
| } | } |
| return(mem[address]); | return(mem[address]); |
| } | } |
| Line 307 static void MEMCALL i286w_wt(UINT32 addr | Line 304 static void MEMCALL i286w_wt(UINT32 addr |
| static void MEMCALL tramw_wt(UINT32 address, REG16 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[LOW12(address >> 1)] = 1; | tramupdate[LOW12(address >> 1)] = 1; |
| Line 352 static void MEMCALL tramw_wt(UINT32 addr | Line 350 static void MEMCALL tramw_wt(UINT32 addr |
| #define GRCGW_NON(page) { \ | #define GRCGW_NON(page) { \ |
| CPU_REMCLOCK -= vramop.vramwait; \ | CPU_REMCLOCK -= MEMWAIT_VRAM; \ |
| STOREINTELWORD(mem + address + VRAM_STEP*(page), value); \ | STOREINTELWORD(mem + address + VRAM_STEP*(page), value); \ |
| vramupdate[LOW15(address)] |= (1 << page); \ | vramupdate[LOW15(address)] |= (1 << page); \ |
| vramupdate[LOW15(address + 1)] |= (1 << page); \ | vramupdate[LOW15(address + 1)] |= (1 << page); \ |
| Line 361 static void MEMCALL tramw_wt(UINT32 addr | Line 359 static void MEMCALL tramw_wt(UINT32 addr |
| #define GRCGW_RMW(page) { \ | #define GRCGW_RMW(page) { \ |
| BYTE *vram; \ | BYTE *vram; \ |
| CPU_REMCLOCK -= vramop.grcgwait; \ | CPU_REMCLOCK -= MEMWAIT_GRCG; \ |
| address = LOW15(address); \ | address = LOW15(address); \ |
| vramupdate[address] |= (1 << page); \ | vramupdate[address] |= (1 << page); \ |
| vramupdate[address + 1] |= (1 << page); \ | vramupdate[address + 1] |= (1 << page); \ |
| Line 407 static void MEMCALL tramw_wt(UINT32 addr | Line 405 static void MEMCALL tramw_wt(UINT32 addr |
| #define GRCGW_TDW(page) { \ | #define GRCGW_TDW(page) { \ |
| BYTE *vram; \ | BYTE *vram; \ |
| CPU_REMCLOCK -= vramop.grcgwait; \ | CPU_REMCLOCK -= MEMWAIT_GRCG; \ |
| address = LOW15(address); \ | address = LOW15(address); \ |
| vramupdate[address] |= (1 << page); \ | vramupdate[address] |= (1 << page); \ |
| vramupdate[address + 1] |= (1 << page); \ | vramupdate[address + 1] |= (1 << page); \ |
| Line 441 static void MEMCALL grcgw_tdw1(UINT32 ad | Line 439 static void MEMCALL grcgw_tdw1(UINT32 ad |
| static void MEMCALL egcw_wt(UINT32 address, REG16 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); |
| } | } |
| Line 456 static void MEMCALL egcw_wt(UINT32 addre | Line 455 static void MEMCALL egcw_wt(UINT32 addre |
| } | } |
| } | } |
| static void MEMCALL emmcw_wt(UINT32 address, REG16 value) { | static void MEMCALL i286w_wb(UINT32 address, REG16 value) { |
| BYTE *ptr; | |
| if ((address & 0x3fff) != 0x3fff) { | mem[address + 0x1c8000 - 0xe8000] = (BYTE)value; |
| ptr = extmem.pageptr[(address >> 14) & 3] + LOW14(address); | mem[address + 0x1c8001 - 0xe8000] = (BYTE)(value >> 8); |
| STOREINTELWORD(ptr, value); | |
| } | |
| else { | |
| extmem.pageptr[(address >> 14) & 3][0x3fff] = (BYTE)value; | |
| extmem.pageptr[((address + 1) >> 14) & 3][0] = (BYTE)(value >> 8); | |
| } | |
| } | } |
| static void MEMCALL i286w_wn(UINT32 address, REG16 value) { | static void MEMCALL i286w_wn(UINT32 address, REG16 value) { |
| Line 489 static REG16 MEMCALL i286w_rd(UINT32 add | Line 480 static REG16 MEMCALL i286w_rd(UINT32 add |
| static REG16 MEMCALL tramw_rd(UINT32 address) { | static REG16 MEMCALL tramw_rd(UINT32 address) { |
| CPU_REMCLOCK -= vramop.tramwait; | CPU_REMCLOCK -= MEMWAIT_TRAM; |
| if (address < (0xa4000 - 1)) { | if (address < (0xa4000 - 1)) { |
| return(LOADINTELWORD(mem + address)); | return(LOADINTELWORD(mem + address)); |
| } | } |
| Line 518 static REG16 MEMCALL tramw_rd(UINT32 add | Line 509 static REG16 MEMCALL tramw_rd(UINT32 add |
| static REG16 MEMCALL vramw_r0(UINT32 address) { | static REG16 MEMCALL vramw_r0(UINT32 address) { |
| CPU_REMCLOCK -= vramop.vramwait; | CPU_REMCLOCK -= MEMWAIT_VRAM; |
| return(LOADINTELWORD(mem + address)); | return(LOADINTELWORD(mem + address)); |
| } | } |
| static REG16 MEMCALL vramw_r1(UINT32 address) { | static REG16 MEMCALL vramw_r1(UINT32 address) { |
| CPU_REMCLOCK -= vramop.vramwait; | CPU_REMCLOCK -= MEMWAIT_VRAM; |
| return(LOADINTELWORD(mem + address + VRAM_STEP)); | return(LOADINTELWORD(mem + address + VRAM_STEP)); |
| } | } |
| Line 533 static REG16 MEMCALL grcgw_tcr0(UINT32 a | Line 524 static REG16 MEMCALL grcgw_tcr0(UINT32 a |
| BYTE *vram; | BYTE *vram; |
| REG16 ret; | REG16 ret; |
| CPU_REMCLOCK -= vramop.grcgwait; | CPU_REMCLOCK -= MEMWAIT_GRCG; |
| ret = 0; | ret = 0; |
| vram = mem + LOW15(address); | vram = mem + LOW15(address); |
| if (!(grcg.modereg & 1)) { | if (!(grcg.modereg & 1)) { |
| Line 556 static REG16 MEMCALL grcgw_tcr1(UINT32 a | Line 547 static REG16 MEMCALL grcgw_tcr1(UINT32 a |
| BYTE *vram; | BYTE *vram; |
| REG16 ret; | REG16 ret; |
| CPU_REMCLOCK -= vramop.grcgwait; | CPU_REMCLOCK -= MEMWAIT_GRCG; |
| ret = 0; | ret = 0; |
| vram = mem + LOW15(address); | vram = mem + LOW15(address); |
| if (!(grcg.modereg & 1)) { | if (!(grcg.modereg & 1)) { |
| Line 578 static REG16 MEMCALL egcw_rd(UINT32 addr | Line 569 static REG16 MEMCALL egcw_rd(UINT32 addr |
| REG16 ret; | REG16 ret; |
| CPU_REMCLOCK -= MEMWAIT_GRCG; | |
| if (!(address & 1)) { | if (!(address & 1)) { |
| return(egc_read_w(address)); | return(egc_read_w(address)); |
| } | } |
| Line 595 static REG16 MEMCALL egcw_rd(UINT32 addr | Line 587 static REG16 MEMCALL egcw_rd(UINT32 addr |
| } | } |
| } | } |
| static REG16 MEMCALL emmcw_rd(UINT32 address) { | static REG16 MEMCALL i286w_rb(UINT32 address) { |
| const BYTE *ptr; | |
| REG16 ret; | |
| if ((address & 0x3fff) != 0x3fff) { | |
| 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 REG16 MEMCALL i286w_itf(UINT32 address) { | |
| if (CPU_ITFBANK) { | if (CPU_ITFBANK) { |
| address = ITF_ADRS + LOW15(address); | address += VRAM_STEP; |
| } | } |
| return(LOADINTELWORD(mem + address)); | return(LOADINTELWORD(mem + address)); |
| } | } |
| Line 627 typedef REG8 (MEMCALL * MEM8READ)(UINT32 | Line 603 typedef REG8 (MEMCALL * MEM8READ)(UINT32 |
| typedef void (MEMCALL * MEM16WRITE)(UINT32 address, REG16 value); | typedef void (MEMCALL * MEM16WRITE)(UINT32 address, REG16 value); |
| typedef REG16 (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 brd8; |
| MEM8READ ird8; | |
| MEM8WRITE ewr8; | |
| MEM8WRITE bwr8; | |
| MEM16READ brd16; | |
| MEM16READ ird16; | |
| MEM16WRITE ewr16; | |
| MEM16WRITE bwr16; | |
| } MMAPTBL; | |
| typedef struct { | |
| MEM8READ rd8; | |
| MEM8WRITE wr8; | |
| MEM16READ rd16; | |
| MEM16WRITE wr16; | |
| } VACCTBL; | |
| static 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 | i286_rd, i286_rd, i286_rd, i286_rd, // c0 |
| vram_r0, i286_rd, i286_rd, i286_itf}; // f0 | vram_r0, i286_rd, i286_rd, i286_rb}, // e0 |
| 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 | i286_wn, i286_wn, 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 | i286w_rd, i286w_rd, i286w_rd, i286w_rd, // c0 |
| vramw_r0, i286w_rd, i286w_rd, i286w_itf}; // e0 | vramw_r0, i286w_rd, i286w_rd, i286w_rb}, // 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[] = { | i286w_wn, i286w_wn, 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 MMAPTBL mmaptbl[2] = { |
| vram_r0, vram_r1, egc_rd, egc_rd}; // c0 rmw | {i286_rd, i286_rb, i286_wn, i286_wn, |
| i286w_rd, i286w_rb, i286w_wn, i286w_wn}, | |
| static const MEM16WRITE vramw_write[] = { | {i286_rb, i286_rb, i286_wt, i286_wb, |
| vramw_w0, vramw_w1, vramw_w0, vramw_w1, // 00 | i286w_rb, i286w_rb, i286w_wt, i286w_wb}}; |
| vramw_w0, vramw_w1, vramw_w0, vramw_w1, // 40 | |
| grcgw_tdw0, grcgw_tdw1, egcw_wt, egcw_wt, // 80 tdw/tcr | static const VACCTBL vacctbl[0x10] = { |
| grcgw_rmw0, grcgw_rmw1, egcw_wt, egcw_wt}; // c0 rmw | {vram_r0, vram_w0, vramw_r0, vramw_w0}, // 00 |
| {vram_r1, vram_w1, vramw_r1, vramw_w1}, | |
| static const MEM16READ vramw_read[] = { | {vram_r0, vram_w0, vramw_r0, vramw_w0}, |
| vramw_r0, vramw_r1, vramw_r0, vramw_r1, // 00 | {vram_r1, vram_w1, vramw_r1, vramw_w1}, |
| vramw_r0, vramw_r1, vramw_r0, vramw_r1, // 40 | {vram_r0, vram_w0, vramw_r0, vramw_w0}, // 40 |
| grcgw_tcr0, grcgw_tcr1, egcw_rd, egcw_rd, // 80 tdw/tcr | {vram_r1, vram_w1, vramw_r1, vramw_w1}, |
| vramw_r0, vramw_r1, egcw_rd, egcw_rd}; // c0 rmw | {vram_r0, vram_w0, vramw_r0, vramw_w0}, |
| {vram_r1, vram_w1, vramw_r1, vramw_w1}, | |
| {grcg_tcr0, grcg_tdw0, grcgw_tcr0, grcgw_tdw0}, // 80 tdw/tcr | |
| {grcg_tcr1, grcg_tdw1, grcgw_tcr1, grcgw_tdw1}, | |
| {egc_rd, egc_wt, egcw_rd, egcw_wt}, | |
| {egc_rd, egc_wt, egcw_rd, egcw_wt}, | |
| {vram_r0, grcg_rmw0, vramw_r0, grcgw_rmw0}, // c0 rmw | |
| {vram_r1, grcg_rmw1, vramw_r1, grcgw_rmw1}, | |
| {egc_rd, egc_wt, egcw_rd, egcw_wt}, | |
| {egc_rd, egc_wt, egcw_rd, egcw_wt}}; | |
| static REG8 MEMCALL i286_nonram_r(UINT32 address) { | static REG8 MEMCALL i286_nonram_r(UINT32 address) { |
| Line 704 static REG16 MEMCALL i286_nonram_rw(UINT | Line 702 static REG16 MEMCALL i286_nonram_rw(UINT |
| return(0xffff); | return(0xffff); |
| } | } |
| void MEMCALL i286_memorymap(UINT type) { | |
| const MMAPTBL *mm; | |
| mm = mmaptbl + (type & 1); | |
| memfn.rd8[0xe8000 >> 15] = mm->brd8; | |
| memfn.rd8[0xf0000 >> 15] = mm->brd8; | |
| memfn.rd8[0xf8000 >> 15] = mm->ird8; | |
| memfn.wr8[0xd0000 >> 15] = mm->ewr8; | |
| memfn.wr8[0xd8000 >> 15] = mm->ewr8; | |
| memfn.wr8[0xe8000 >> 15] = mm->bwr8; | |
| memfn.wr8[0xf0000 >> 15] = mm->bwr8; | |
| memfn.wr8[0xf8000 >> 15] = mm->bwr8; | |
| memfn.rd16[0xe8000 >> 15] = mm->brd16; | |
| memfn.rd16[0xf0000 >> 15] = mm->brd16; | |
| memfn.rd16[0xf8000 >> 15] = mm->ird16; | |
| memfn.wr16[0xd0000 >> 15] = mm->ewr16; | |
| memfn.wr16[0xd8000 >> 15] = mm->ewr16; | |
| memfn.wr16[0xe8000 >> 15] = mm->bwr16; | |
| memfn.wr16[0xf0000 >> 15] = mm->bwr16; | |
| memfn.wr16[0xf8000 >> 15] = mm->bwr16; | |
| } | |
| void MEMCALL i286_vram_dispatch(UINT func) { | void MEMCALL i286_vram_dispatch(UINT func) { |
| UINT proc; | const VACCTBL *vacc; |
| vacc = vacctbl + (func & 0x0f); | |
| proc = func & 0x0f; | memfn.rd8[0xa8000 >> 15] = vacc->rd8; |
| memory_write[0xa8000 >> 15] = vram_write[proc]; | memfn.rd8[0xb0000 >> 15] = vacc->rd8; |
| memory_write[0xb0000 >> 15] = vram_write[proc]; | memfn.rd8[0xb8000 >> 15] = vacc->rd8; |
| memory_write[0xb8000 >> 15] = vram_write[proc]; | memfn.rd8[0xe0000 >> 15] = vacc->rd8; |
| memory_write[0xe0000 >> 15] = vram_write[proc]; | |
| memfn.wr8[0xa8000 >> 15] = vacc->wr8; | |
| memory_read[0xa8000 >> 15] = vram_read[proc]; | memfn.wr8[0xb0000 >> 15] = vacc->wr8; |
| memory_read[0xb0000 >> 15] = vram_read[proc]; | memfn.wr8[0xb8000 >> 15] = vacc->wr8; |
| memory_read[0xb8000 >> 15] = vram_read[proc]; | memfn.wr8[0xe0000 >> 15] = vacc->wr8; |
| memory_read[0xe0000 >> 15] = vram_read[proc]; | |
| memfn.rd16[0xa8000 >> 15] = vacc->rd16; | |
| memword_write[0xa8000 >> 15] = vramw_write[proc]; | memfn.rd16[0xb0000 >> 15] = vacc->rd16; |
| memword_write[0xb0000 >> 15] = vramw_write[proc]; | memfn.rd16[0xb8000 >> 15] = vacc->rd16; |
| memword_write[0xb8000 >> 15] = vramw_write[proc]; | memfn.rd16[0xe0000 >> 15] = vacc->rd16; |
| memword_write[0xe0000 >> 15] = vramw_write[proc]; | |
| memfn.wr16[0xa8000 >> 15] = vacc->wr16; | |
| memword_read[0xa8000 >> 15] = vramw_read[proc]; | memfn.wr16[0xb0000 >> 15] = vacc->wr16; |
| memword_read[0xb0000 >> 15] = vramw_read[proc]; | memfn.wr16[0xb8000 >> 15] = vacc->wr16; |
| memword_read[0xb8000 >> 15] = vramw_read[proc]; | memfn.wr16[0xe0000 >> 15] = vacc->wr16; |
| memword_read[0xe0000 >> 15] = vramw_read[proc]; | |
| if (!(func & 0x10)) { // digital | |
| if (!(func & 0x10)) { // degital | memfn.wr8[0xe0000 >> 15] = i286_wn; |
| memory_write[0xe0000 >> 15] = i286_wn; | memfn.wr16[0xe0000 >> 15] = i286w_wn; |
| memword_write[0xe0000 >> 15] = i286w_wn; | memfn.rd8[0xe0000 >> 15] = i286_nonram_r; |
| memory_read[0xe0000 >> 15] = i286_nonram_r; | memfn.rd16[0xe0000 >> 15] = i286_nonram_rw; |
| memword_read[0xe0000 >> 15] = i286_nonram_rw; | |
| } | } |
| #if defined(USE_ASM) | |
| i286a_vram_dispatch(func); | |
| #endif | |
| } | } |
| REG8 MEMCALL __i286_memoryread(UINT32 address) { | |
| REG8 MEMCALL i286_memoryread(UINT32 paddr) { | |
| UINT32 address = paddr & CPU_ADRSMASK; | |
| if (address < I286_MEMREADMAX) { | if (address < I286_MEMREADMAX) { |
| return(mem[address]); | return(mem[address]); |
| } | } |
| #if defined(USE_HIMEM) | else if (address >= USE_HIMEM) { |
| else if (address >= 0x10fff0) { | |
| address -= 0x100000; | address -= 0x100000; |
| if (address < CPU_EXTMEMSIZE) { | if (address < CPU_EXTMEMSIZE) { |
| return(CPU_EXTMEM[address]); | return(CPU_EXTMEM[address]); |
| Line 755 REG8 MEMCALL __i286_memoryread(UINT32 ad | Line 781 REG8 MEMCALL __i286_memoryread(UINT32 ad |
| return(0xff); | return(0xff); |
| } | } |
| } | } |
| #endif | |
| else { | else { |
| return(memory_read[(address >> 15) & 0x1f](address)); | return(memfn.rd8[(address >> 15) & 0x1f](address)); |
| } | } |
| } | } |
| REG16 MEMCALL __i286_memoryread_w(UINT32 address) { | REG16 MEMCALL i286_memoryread_w(UINT32 paddr) { |
| UINT32 address = paddr & CPU_ADRSMASK; | |
| REG16 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) | else if (address >= (USE_HIMEM - 1)) { |
| else if (address >= (0x10fff0 - 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 < CPU_EXTMEMSIZE) { | else if (address < CPU_EXTMEMSIZE) { |
| Line 789 REG16 MEMCALL __i286_memoryread_w(UINT32 | Line 814 REG16 MEMCALL __i286_memoryread_w(UINT32 |
| } | } |
| return(ret); | return(ret); |
| } | } |
| #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 += (REG16)(memfn.rd8[(address >> 15) & 0x1f](address)) << 8; |
| return(ret); | return(ret); |
| } | } |
| } | } |
| UINT32 MEMCALL __i286_memoryread_d(UINT32 address) { | UINT32 MEMCALL i286_memoryread_d(UINT32 paddr) { |
| UINT32 ret; | UINT32 address = paddr & CPU_ADRSMASK; |
| UINT32 adrs; | |
| ret = __i286_memoryread_w(address); | UINT32 ret; |
| ret |= (UINT32)__i286_memoryread_w(address + 2) << 16; | |
| if (address < (I286_MEMREADMAX - 3)) { | |
| return(LOADINTELDWORD(mem + address)); | |
| } | |
| else if (address >= USE_HIMEM) { | |
| adrs = address - 0x100000; | |
| if (adrs + 3 < CPU_EXTMEMSIZE) { | |
| return(LOADINTELDWORD(CPU_EXTMEM + adrs)); | |
| } | |
| } | |
| ret = i286_memoryread_w(address); | |
| ret += (UINT32)i286_memoryread_w(address + 2) << 16; | |
| return ret; | return ret; |
| } | } |
| void MEMCALL __i286_memorywrite(UINT32 address, REG8 value) { | void MEMCALL i286_memorywrite(UINT32 paddr, REG8 value) { |
| UINT32 address = paddr & CPU_ADRSMASK; | |
| if (address < I286_MEMWRITEMAX) { | if (address < I286_MEMWRITEMAX) { |
| mem[address] = (BYTE)value; | mem[address] = (BYTE)value; |
| } | } |
| #if defined(USE_HIMEM) | else if (address >= USE_HIMEM) { |
| else if (address >= 0x10fff0) { | |
| address -= 0x100000; | address -= 0x100000; |
| if (address < CPU_EXTMEMSIZE) { | if (address < CPU_EXTMEMSIZE) { |
| CPU_EXTMEM[address] = (BYTE)value; | CPU_EXTMEM[address] = (BYTE)value; |
| } | } |
| } | } |
| #endif | |
| else { | else { |
| memory_write[(address >> 15) & 0x1f](address, value); | memfn.wr8[(address >> 15) & 0x1f](address, value); |
| } | } |
| } | } |
| void MEMCALL __i286_memorywrite_w(UINT32 address, REG16 value) { | void MEMCALL i286_memorywrite_w(UINT32 paddr, REG16 value) { |
| UINT32 address = paddr & CPU_ADRSMASK; | |
| if (address < (I286_MEMWRITEMAX - 1)) { | if (address < (I286_MEMWRITEMAX - 1)) { |
| STOREINTELWORD(mem + address, value); | STOREINTELWORD(mem + address, value); |
| } | } |
| #if defined(USE_HIMEM) | else if (address >= (USE_HIMEM - 1)) { |
| else if (address >= (0x10fff0 - 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 < CPU_EXTMEMSIZE) { | else if (address < CPU_EXTMEMSIZE) { |
| Line 848 void MEMCALL __i286_memorywrite_w(UINT32 | Line 883 void MEMCALL __i286_memorywrite_w(UINT32 |
| CPU_EXTMEM[address] = (BYTE)(value >> 8); | CPU_EXTMEM[address] = (BYTE)(value >> 8); |
| } | } |
| } | } |
| #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)); |
| } | } |
| } | } |
| void MEMCALL __i286_memorywrite_d(UINT32 address, UINT32 value) { | void MEMCALL i286_memorywrite_d(UINT32 paddr, UINT32 value) { |
| __i286_memorywrite_w(address, value & 0xffff); | UINT32 address = paddr & CPU_ADRSMASK; |
| __i286_memorywrite_w(address + 2, (WORD)(value >> 16)); | UINT32 adrs; |
| if (address < (I286_MEMWRITEMAX - 3)) { | |
| STOREINTELDWORD(mem + address, value); | |
| return; | |
| } | |
| else if (address >= USE_HIMEM) { | |
| adrs = address - 0x100000; | |
| if (adrs + 3 < CPU_EXTMEMSIZE) { | |
| STOREINTELDWORD(CPU_EXTMEM + adrs, value); | |
| return; | |
| } | |
| } | |
| i286_memorywrite_w(address, value & 0xffff); | |
| i286_memorywrite_w(address + 2, (WORD)(value >> 16)); | |
| } | } |
| #if 0 | #ifdef NP2_MEMORY_ASM |
| REG8 MEMCALL i286_membyte_read(UINT seg, UINT off) { | REG8 MEMCALL i286_membyte_read(UINT seg, UINT off) { |
| UINT32 address; | UINT32 address; |
| Line 917 void MEMCALL i286_memword_write(UINT seg | Line 965 void MEMCALL i286_memword_write(UINT seg |
| i286_memorywrite_w(address, value); | i286_memorywrite_w(address, value); |
| } | } |
| } | } |
| #endif | #endif /* NP2_MEMORY_ASM */ |
| void MEMCALL i286_memstr_read(UINT seg, UINT off, void *dat, UINT leng) { | void MEMCALL i286_memstr_read(UINT seg, UINT off, void *dat, UINT leng) { |
| Line 957 void MEMCALL i286_memstr_read(UINT seg, | Line 1005 void MEMCALL i286_memstr_read(UINT seg, |
| } | } |
| } | } |
| void MEMCALL i286_memstr_write(UINT seg, UINT off, | void MEMCALL i286_memstr_write(UINT seg, UINT off, const void *dat, UINT leng) { |
| const void *dat, UINT leng) { | |
| BYTE *out; | BYTE *out; |
| UINT32 adrs; | UINT32 adrs; |
| Line 1035 const BYTE *out; | Line 1082 const BYTE *out; |
| } | } |
| } | } |
| } | } |
| #endif | #endif |