--- np2/i286c/memory.c 2003/12/12 01:04:40 1.13 +++ np2/i286c/memory.c 2003/12/27 11:55:23 1.16 @@ -25,7 +25,7 @@ static void MEMCALL i286_wt(UINT32 addre static void MEMCALL tram_wt(UINT32 address, REG8 value) { - CPU_REMCLOCK -= vramop.tramwait; + CPU_REMCLOCK -= MEMWAIT_TRAM; if (address < 0xa2000) { mem[address] = (BYTE)value; tramupdate[LOW12(address >> 1)] = 1; @@ -57,7 +57,7 @@ static void MEMCALL tram_wt(UINT32 addre static void MEMCALL vram_w0(UINT32 address, REG8 value) { - CPU_REMCLOCK -= vramop.vramwait; + CPU_REMCLOCK -= MEMWAIT_VRAM; mem[address] = (BYTE)value; vramupdate[LOW15(address)] |= 1; gdcs.grphdisp |= 1; @@ -65,7 +65,7 @@ static void MEMCALL vram_w0(UINT32 addre static void MEMCALL vram_w1(UINT32 address, REG8 value) { - CPU_REMCLOCK -= vramop.vramwait; + CPU_REMCLOCK -= MEMWAIT_VRAM; mem[address + VRAM_STEP] = (BYTE)value; vramupdate[LOW15(address)] |= 2; gdcs.grphdisp |= 2; @@ -76,7 +76,7 @@ static void MEMCALL grcg_rmw0(UINT32 add REG8 mask; BYTE *vram; - CPU_REMCLOCK -= vramop.grcgwait; + CPU_REMCLOCK -= MEMWAIT_GRCG; mask = ~value; address = LOW15(address); vramupdate[address] |= 1; @@ -105,7 +105,7 @@ static void MEMCALL grcg_rmw1(UINT32 add REG8 mask; BYTE *vram; - CPU_REMCLOCK -= vramop.grcgwait; + CPU_REMCLOCK -= MEMWAIT_GRCG; mask = ~value; address = LOW15(address); vramupdate[address] |= 2; @@ -133,7 +133,7 @@ static void MEMCALL grcg_tdw0(UINT32 add BYTE *vram; - CPU_REMCLOCK -= vramop.grcgwait; + CPU_REMCLOCK -= MEMWAIT_GRCG; address = LOW15(address); vramupdate[address] |= 1; gdcs.grphdisp |= 1; @@ -157,7 +157,7 @@ static void MEMCALL grcg_tdw1(UINT32 add BYTE *vram; - CPU_REMCLOCK -= vramop.grcgwait; + CPU_REMCLOCK -= MEMWAIT_GRCG; address = LOW15(address); vramupdate[address] |= 2; gdcs.grphdisp |= 2; @@ -179,6 +179,7 @@ static void MEMCALL grcg_tdw1(UINT32 add static void MEMCALL egc_wt(UINT32 address, REG8 value) { + CPU_REMCLOCK -= MEMWAIT_GRCG; egc_write(address, value); } @@ -187,6 +188,11 @@ static void MEMCALL emmc_wt(UINT32 addre extmem.pageptr[(address >> 14) & 3][LOW14(address)] = (BYTE)value; } +static void MEMCALL i286_wb(UINT32 address, REG8 value) { + + mem[address + 0x1c8000 - 0xe8000] = (BYTE)value; +} + static void MEMCALL i286_wn(UINT32 address, REG8 value) { (void)address; @@ -203,7 +209,7 @@ static REG8 MEMCALL i286_rd(UINT32 addre static REG8 MEMCALL tram_rd(UINT32 address) { - CPU_REMCLOCK -= vramop.tramwait; + CPU_REMCLOCK -= MEMWAIT_TRAM; if (address < 0xa4000) { return(mem[address]); } @@ -220,13 +226,13 @@ static REG8 MEMCALL tram_rd(UINT32 addre static REG8 MEMCALL vram_r0(UINT32 address) { - CPU_REMCLOCK -= vramop.vramwait; + CPU_REMCLOCK -= MEMWAIT_VRAM; return(mem[address]); } static REG8 MEMCALL vram_r1(UINT32 address) { - CPU_REMCLOCK -= vramop.vramwait; + CPU_REMCLOCK -= MEMWAIT_VRAM; return(mem[address + VRAM_STEP]); } @@ -235,7 +241,7 @@ static REG8 MEMCALL grcg_tcr0(UINT32 add const BYTE *vram; REG8 ret; - CPU_REMCLOCK -= vramop.grcgwait; + CPU_REMCLOCK -= MEMWAIT_GRCG; vram = mem + LOW15(address); ret = 0; if (!(grcg.modereg & 1)) { @@ -258,7 +264,7 @@ static REG8 MEMCALL grcg_tcr1(UINT32 add const BYTE *vram; REG8 ret; - CPU_REMCLOCK -= vramop.grcgwait; + CPU_REMCLOCK -= MEMWAIT_GRCG; ret = 0; vram = mem + LOW15(address); if (!(grcg.modereg & 1)) { @@ -278,6 +284,7 @@ const BYTE *vram; static REG8 MEMCALL egc_rd(UINT32 address) { + CPU_REMCLOCK -= MEMWAIT_GRCG; return(egc_read(address)); } @@ -286,10 +293,10 @@ static REG8 MEMCALL emmc_rd(UINT32 addre return(extmem.pageptr[(address >> 14) & 3][LOW14(address)]); } -static REG8 MEMCALL i286_itf(UINT32 address) { +static REG8 MEMCALL i286_rb(UINT32 address) { if (CPU_ITFBANK) { - address = ITF_ADRS + LOW15(address); + address += VRAM_STEP; } return(mem[address]); } @@ -307,6 +314,7 @@ static void MEMCALL i286w_wt(UINT32 addr static void MEMCALL tramw_wt(UINT32 address, REG16 value) { + CPU_REMCLOCK -= MEMWAIT_TRAM; if (address < 0xa1fff) { STOREINTELWORD(mem + address, value); tramupdate[LOW12(address >> 1)] = 1; @@ -352,7 +360,7 @@ static void MEMCALL tramw_wt(UINT32 addr #define GRCGW_NON(page) { \ - CPU_REMCLOCK -= vramop.vramwait; \ + CPU_REMCLOCK -= MEMWAIT_VRAM; \ STOREINTELWORD(mem + address + VRAM_STEP*(page), value); \ vramupdate[LOW15(address)] |= (1 << page); \ vramupdate[LOW15(address + 1)] |= (1 << page); \ @@ -361,7 +369,7 @@ static void MEMCALL tramw_wt(UINT32 addr #define GRCGW_RMW(page) { \ BYTE *vram; \ - CPU_REMCLOCK -= vramop.grcgwait; \ + CPU_REMCLOCK -= MEMWAIT_GRCG; \ address = LOW15(address); \ vramupdate[address] |= (1 << page); \ vramupdate[address + 1] |= (1 << page); \ @@ -407,7 +415,7 @@ static void MEMCALL tramw_wt(UINT32 addr #define GRCGW_TDW(page) { \ BYTE *vram; \ - CPU_REMCLOCK -= vramop.grcgwait; \ + CPU_REMCLOCK -= MEMWAIT_GRCG; \ address = LOW15(address); \ vramupdate[address] |= (1 << page); \ vramupdate[address + 1] |= (1 << page); \ @@ -441,6 +449,7 @@ static void MEMCALL grcgw_tdw1(UINT32 ad static void MEMCALL egcw_wt(UINT32 address, REG16 value) { + CPU_REMCLOCK -= MEMWAIT_GRCG; if (!(address & 1)) { egc_write_w(address, value); } @@ -470,6 +479,12 @@ static void MEMCALL emmcw_wt(UINT32 addr } } +static void MEMCALL i286w_wb(UINT32 address, REG16 value) { + + mem[address + 0x1c8000 - 0xe8000] = (BYTE)value; + mem[address + 0x1c8001 - 0xe8000] = (BYTE)(value >> 8); +} + static void MEMCALL i286w_wn(UINT32 address, REG16 value) { (void)address; @@ -489,7 +504,7 @@ static REG16 MEMCALL i286w_rd(UINT32 add static REG16 MEMCALL tramw_rd(UINT32 address) { - CPU_REMCLOCK -= vramop.tramwait; + CPU_REMCLOCK -= MEMWAIT_TRAM; if (address < (0xa4000 - 1)) { return(LOADINTELWORD(mem + address)); } @@ -518,13 +533,13 @@ static REG16 MEMCALL tramw_rd(UINT32 add static REG16 MEMCALL vramw_r0(UINT32 address) { - CPU_REMCLOCK -= vramop.vramwait; + CPU_REMCLOCK -= MEMWAIT_VRAM; return(LOADINTELWORD(mem + address)); } static REG16 MEMCALL vramw_r1(UINT32 address) { - CPU_REMCLOCK -= vramop.vramwait; + CPU_REMCLOCK -= MEMWAIT_VRAM; return(LOADINTELWORD(mem + address + VRAM_STEP)); } @@ -533,7 +548,7 @@ static REG16 MEMCALL grcgw_tcr0(UINT32 a BYTE *vram; REG16 ret; - CPU_REMCLOCK -= vramop.grcgwait; + CPU_REMCLOCK -= MEMWAIT_GRCG; ret = 0; vram = mem + LOW15(address); if (!(grcg.modereg & 1)) { @@ -556,7 +571,7 @@ static REG16 MEMCALL grcgw_tcr1(UINT32 a BYTE *vram; REG16 ret; - CPU_REMCLOCK -= vramop.grcgwait; + CPU_REMCLOCK -= MEMWAIT_GRCG; ret = 0; vram = mem + LOW15(address); if (!(grcg.modereg & 1)) { @@ -578,6 +593,7 @@ static REG16 MEMCALL egcw_rd(UINT32 addr REG16 ret; + CPU_REMCLOCK -= MEMWAIT_GRCG; if (!(address & 1)) { return(egc_read_w(address)); } @@ -611,10 +627,10 @@ const BYTE *ptr; } } -static REG16 MEMCALL i286w_itf(UINT32 address) { +static REG16 MEMCALL i286w_rb(UINT32 address) { if (CPU_ITFBANK) { - address = ITF_ADRS + LOW15(address); + address += VRAM_STEP; } return(LOADINTELWORD(mem + address)); } @@ -635,6 +651,17 @@ typedef struct { } MEMFN; typedef struct { + 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; @@ -649,7 +676,7 @@ static MEMFN memfn = { i286_rd, i286_rd, i286_rd, i286_rd, // 80 tram_rd, vram_r0, vram_r0, vram_r0, // a0 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_rb}, // f0 {i286_wt, i286_wt, i286_wt, i286_wt, // 00 i286_wt, i286_wt, i286_wt, i286_wt, // 20 @@ -667,7 +694,7 @@ static MEMFN memfn = { i286w_rd, i286w_rd, i286w_rd, i286w_rd, // 80 tramw_rd, vramw_r0, vramw_r0, vramw_r0, // a0 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_rb}, // e0 {i286w_wt, i286w_wt, i286w_wt, i286w_wt, // 00 i286w_wt, i286w_wt, i286w_wt, i286w_wt, // 20 @@ -678,6 +705,12 @@ static MEMFN memfn = { emmcw_wt, emmcw_wt, i286w_wn, i286w_wn, // c0 vramw_w0, i286w_wn, i286w_wn, i286w_wn}}; // e0 +static const MMAPTBL mmaptbl[2] = { + {i286_rd, i286_rb, i286_wn, i286_wn, + i286w_rd, i286w_rb, i286w_wn, i286w_wn}, + {i286_rb, i286_rb, i286_wt, i286_wb, + i286w_rb, i286w_rb, i286w_wt, i286w_wb}}; + static const VACCTBL vacctbl[0x10] = { {vram_r0, vram_w0, vramw_r0, vramw_w0}, // 00 {vram_r1, vram_w1, vramw_r1, vramw_w1}, @@ -709,6 +742,34 @@ static REG16 MEMCALL i286_nonram_rw(UINT 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) { const VACCTBL *vacc; @@ -941,7 +1002,7 @@ REG8 MEMCALL i286_membyte_read(UINT seg, UINT32 address; - address = (seg << 4) + off; + address = (seg << 4) + LOW16(off); if (address < I286_MEMREADMAX) { return(mem[address]); } @@ -954,7 +1015,7 @@ REG16 MEMCALL i286_memword_read(UINT seg UINT32 address; - address = (seg << 4) + off; + address = (seg << 4) + LOW16(off); if (address < (I286_MEMREADMAX - 1)) { return(LOADINTELWORD(mem + address)); } @@ -967,7 +1028,7 @@ void MEMCALL i286_membyte_write(UINT seg UINT32 address; - address = (seg << 4) + off; + address = (seg << 4) + LOW16(off); if (address < I286_MEMWRITEMAX) { mem[address] = (BYTE)value; } @@ -980,7 +1041,7 @@ void MEMCALL i286_memword_write(UINT seg UINT32 address; - address = (seg << 4) + off; + address = (seg << 4) + LOW16(off); if (address < (I286_MEMWRITEMAX - 1)) { STOREINTELWORD(mem + address, value); } @@ -997,6 +1058,7 @@ void MEMCALL i286_memstr_read(UINT seg, out = (BYTE *)dat; adrs = seg << 4; + off = LOW16(off); if ((I286_MEMREADMAX >= 0x10000) && (adrs < (I286_MEMREADMAX - 0x10000))) { if (leng) { @@ -1035,6 +1097,7 @@ void MEMCALL i286_memstr_write(UINT seg, out = (BYTE *)dat; adrs = seg << 4; + off = LOW16(off); if ((I286_MEMWRITEMAX >= 0x10000) && (adrs < (I286_MEMWRITEMAX - 0x10000))) { if (leng) {