--- np2/i286a/memory.c	2003/12/20 10:27:55	1.4
+++ np2/i286a/memory.c	2005/05/20 13:59:46	1.10
@@ -1,1069 +1,59 @@
 #include	"compiler.h"
 #include	"cpucore.h"
-#include	"egcmem.h"
-#include	"pccore.h"
-#include	"iocore.h"
-#include	"vram.h"
-#include	"font.h"
 
-
-// #define	USE_HIMEM		0x10fff0
 #define	USE_HIMEM		0x110000
 
-#if defined(TRACE)
-#define	MEMORY_DEBUG
-#endif
-
-// ---- write byte
-
-#if defined(ARM)
-void MEMCALL i286_wt(UINT32 address, REG8 value);
-void MEMCALL i286_wtex(UINT32 address, REG8 value);
-#else
-static void MEMCALL i286_wt(UINT32 address, REG8 value) {
-
-	mem[address] = (BYTE)value;
-}
-
-static void MEMCALL i286_wtex(UINT32 address, REG8 value) {
-
-	mem[address & CPU_ADRSMASK] = (BYTE)value;
-}
-#endif
-
-#if defined(ARM)
-void MEMCALL tram_wt(UINT32 address, REG8 value);
-#else
-static void MEMCALL tram_wt(UINT32 address, REG8 value) {
-
-	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;
-		}
-	}
-}
-#endif
-
-#if defined(ARM)
-void MEMCALL vram_w0(UINT32 address, REG8 value);
-void MEMCALL vram_w1(UINT32 address, REG8 value);
-#else
-static void MEMCALL vram_w0(UINT32 address, REG8 value) {
-
-	CPU_REMCLOCK -= MEMWAIT_VRAM;
-	mem[address] = (BYTE)value;
-	vramupdate[LOW15(address)] |= 1;
-	gdcs.grphdisp |= 1;
-}
-
-static void MEMCALL vram_w1(UINT32 address, REG8 value) {
-
-	CPU_REMCLOCK -= MEMWAIT_VRAM;
-	mem[address + VRAM_STEP] = (BYTE)value;
-	vramupdate[LOW15(address)] |= 2;
-	gdcs.grphdisp |= 2;
-}
-#endif
-
-#if defined(ARM)
-void MEMCALL grcg_rmw0(UINT32 address, REG8 value);
-void MEMCALL grcg_rmw1(UINT32 address, REG8 value);
-void MEMCALL grcg_tdw0(UINT32 address, REG8 value);
-void MEMCALL grcg_tdw1(UINT32 address, REG8 value);
-#else
-static void MEMCALL grcg_rmw0(UINT32 address, REG8 value) {
-
-	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) {
-
-	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) {
-
-	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) {
-
-	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;
-}
-#endif
-
-#if 0 // defined(ARM)
-void MEMCALL egc_wt(UINT32 address, REG8 value);
-#else
-static void MEMCALL egc_wt(UINT32 address, REG8 value) {
-
-	CPU_REMCLOCK -= MEMWAIT_GRCG;
-	egc_write(address, value);
-}
-#endif
-
-#if defined(ARM)
-void MEMCALL emmc_wt(UINT32 address, REG8 value);
-#else
-static void MEMCALL emmc_wt(UINT32 address, REG8 value) {
-
-	extmem.pageptr[(address >> 14) & 3][LOW14(address)] = (BYTE)value;
-}
-#endif
-
-#if defined(ARM)
-void MEMCALL i286_wn(UINT32 address, REG8 value);
-#else
-static void MEMCALL i286_wn(UINT32 address, REG8 value) {
-
-	(void)address;
-	(void)value;
-}
-#endif
-
-
-// ---- read byte
-
-#if defined(ARM)
-REG8 MEMCALL i286_rd(UINT32 address);
-REG8 MEMCALL i286_rdex(UINT32 address);
-#else
-static REG8 MEMCALL i286_rd(UINT32 address) {
-
-	return(mem[address]);
-}
-
-static REG8 MEMCALL i286_rdex(UINT32 address) {
-
-	return(mem[address & CPU_ADRSMASK]);
-}
-#endif
-
-#if defined(ARM)
-REG8 MEMCALL tram_rd(UINT32 address);
-#else
-static REG8 MEMCALL tram_rd(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]);
-}
-#endif
-
-#if defined(ARM)
-REG8 MEMCALL vram_r0(UINT32 address);
-REG8 MEMCALL vram_r1(UINT32 address);
-#else
-static REG8 MEMCALL vram_r0(UINT32 address) {
-
-	CPU_REMCLOCK -= MEMWAIT_VRAM;
-	return(mem[address]);
-}
-
-static REG8 MEMCALL vram_r1(UINT32 address) {
-
-	CPU_REMCLOCK -= MEMWAIT_VRAM;
-	return(mem[address + VRAM_STEP]);
-}
-#endif
-
-#if defined(ARM)
-REG8 MEMCALL grcg_tcr0(UINT32 address);
-REG8 MEMCALL grcg_tcr1(UINT32 address);
-#else
-static REG8 MEMCALL grcg_tcr0(UINT32 address) {
-
-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) {
-
-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);
-}
-#endif
-
-static REG8 MEMCALL egc_rd(UINT32 address) {
-
-	CPU_REMCLOCK -= MEMWAIT_GRCG;
-	return(egc_read(address));
-}
-
-#if defined(ARM)
-REG8 MEMCALL emmc_rd(UINT32 address);
-#else
-static REG8 MEMCALL emmc_rd(UINT32 address) {
-
-	return(extmem.pageptr[(address >> 14) & 3][LOW14(address)]);
-}
-#endif
-
-#if defined(ARM)
-REG8 MEMCALL i286_itf(UINT32 address);
-#else
-static REG8 MEMCALL i286_itf(UINT32 address) {
-
-	if (CPU_ITFBANK) {
-		address = ITF_ADRS + LOW15(address);
-	}
-	return(mem[address]);
-}
-#endif
-
-
-// ---- write word
-
-#if defined(ARM)
-void MEMCALL i286w_wt(UINT32 address, REG16 value);
-void MEMCALL i286w_wtex(UINT32 address, REG16 value);
-#else
-static void MEMCALL i286w_wt(UINT32 address, REG16 value) {
-
-	BYTE	*ptr;
-
-	ptr = mem + address;
-	STOREINTELWORD(ptr, value);
-}
-
-static void MEMCALL i286w_wtex(UINT32 address, REG16 value) {
-
-	BYTE	*ptr;
-
-	ptr = mem + (address & CPU_ADRSMASK);
-	STOREINTELWORD(ptr, value);
-}
-#endif
-
-#if defined(ARM)
-void MEMCALL tramw_wt(UINT32 address, REG16 value);
-#else
-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;
-		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;
-		}
-	}
-}
-#endif
-
-#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;													\
-}
-
-#if defined(ARM)
-void MEMCALL vramw_w0(UINT32 address, REG16 value);
-void MEMCALL vramw_w1(UINT32 address, REG16 value);
-void MEMCALL grcgw_rmw0(UINT32 address, REG16 value);
-void MEMCALL grcgw_rmw1(UINT32 address, REG16 value);
-void MEMCALL grcgw_tdw0(UINT32 address, REG16 value);
-void MEMCALL grcgw_tdw1(UINT32 address, REG16 value);
-#else
-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)
-#endif
-
-static void MEMCALL egcw_wt(UINT32 address, REG16 value) {
-
-	CPU_REMCLOCK -= MEMWAIT_GRCG;
-	if (!(address & 1)) {
-		egc_write_w(address, value);
-	}
-	else {
-		if (!(egc.sft & 0x1000)) {
-			egc_write(address, (REG8)value);
-			egc_write(address + 1, (REG8)(value >> 8));
-		}
-		else {
-			egc_write(address + 1, (REG8)(value >> 8));
-			egc_write(address, (REG8)value);
-		}
-	}
-}
-
-#if defined(ARM)
-void MEMCALL emmcw_wt(UINT32 address, REG16 value);
-#else
-static void MEMCALL emmcw_wt(UINT32 address, REG16 value) {
-
-	BYTE	*ptr;
-
-	if ((address & 0x3fff) != 0x3fff) {
-		ptr = extmem.pageptr[(address >> 14) & 3] + LOW14(address);
-		STOREINTELWORD(ptr, value);
-	}
-	else {
-		extmem.pageptr[(address >> 14) & 3][0x3fff] = (BYTE)value;
-		extmem.pageptr[((address + 1) >> 14) & 3][0] = (BYTE)(value >> 8);
-	}
-}
-#endif
-
-#if defined(ARM)
-void MEMCALL i286w_wn(UINT32 address, REG16 value);
-#else
-static void MEMCALL i286w_wn(UINT32 address, REG16 value) {
-
-	(void)address;
-	(void)value;
-}
-#endif
-
-
-// ---- read word
-
-#if defined(ARM)
-REG16 MEMCALL i286w_rd(UINT32 address);
-REG16 MEMCALL i286w_rdex(UINT32 address);
-#else
-static REG16 MEMCALL i286w_rd(UINT32 address) {
-
-	BYTE	*ptr;
-
-	ptr = mem + address;
-	return(LOADINTELWORD(ptr));
-}
-
-static REG16 MEMCALL i286w_rdex(UINT32 address) {
-
-	BYTE	*ptr;
-
-	ptr = mem + (address & CPU_ADRSMASK);
-	return(LOADINTELWORD(ptr));
-}
-#endif
-
-#if defined(ARM)
-REG16 MEMCALL tramw_rd(UINT32 address);
-#else
-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));
-}
-#endif
-
-#if defined(ARM)
-REG16 MEMCALL vramw_r0(UINT32 address);
-REG16 MEMCALL vramw_r1(UINT32 address);
-#else
-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));
-}
-#endif
-
-#if defined(ARM)
-REG16 MEMCALL grcgw_tcr0(UINT32 address);
-REG16 MEMCALL grcgw_tcr1(UINT32 address);
-#else
-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));
-}
-#endif
-
-static REG16 MEMCALL egcw_rd(UINT32 address) {
-
-	REG16	ret;
-
-	CPU_REMCLOCK -= MEMWAIT_GRCG;
-	if (!(address & 1)) {
-		return(egc_read_w(address));
-	}
-	else {
-		if (!(egc.sft & 0x1000)) {
-			ret = egc_read(address);
-			ret += egc_read(address + 1) << 8;
-			return(ret);
-		}
-		else {
-			ret = egc_read(address + 1) << 8;
-			ret += egc_read(address);
-			return(ret);
-		}
-	}
-}
 
-#if defined(ARM)
-REG16 MEMCALL emmcw_rd(UINT32 address);
-#else
-static REG16 MEMCALL emmcw_rd(UINT32 address) {
+void MEMCALL memp_reads(UINT32 address, void *dat, UINT leng) {
 
-const BYTE	*ptr;
-	REG16	ret;
-
-	if ((address & 0x3fff) != 0x3fff) {
-		ptr = extmem.pageptr[(address >> 14) & 3] + LOW14(address);
-		return(LOADINTELWORD(ptr));
+	if ((address + leng) < I286_MEMREADMAX) {
+		CopyMemory(dat, mem + address, leng);
 	}
 	else {
-		ret = extmem.pageptr[(address >> 14) & 3][0x3fff];
-		ret += extmem.pageptr[((address + 1) >> 14) & 3][0] << 8;
-		return(ret);
-	}
-}
-#endif
-
-#if defined(ARM)
-REG16 MEMCALL i286w_itf(UINT32 address);
-#else
-static REG16 MEMCALL i286w_itf(UINT32 address) {
-
-	if (CPU_ITFBANK) {
-		address = ITF_ADRS + LOW15(address);
-	}
-	return(LOADINTELWORD(mem + address));
-}
-#endif
-
-
-// ---- table
-
-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 {
-	MEM8READ	rd8[0x20];
-	MEM8WRITE	wr8[0x20];
-	MEM16READ	rd16[0x20];
-	MEM16WRITE	wr16[0x20];
-} MEMFN;
-
-typedef struct {
-	MEM8READ	rd8;
-	MEM8WRITE	wr8;
-	MEM16READ	rd16;
-	MEM16WRITE	wr16;
-} VACCTBL;
-
-#if defined(ARM)
-MEMFN memfn =		// -> memory.s
-#else
-static MEMFN memfn =
-#endif
-		  {{i286_rdex,	i286_rdex,	i286_rd,	i286_rd,		// 00
-			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,		// 60
-			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
-
-		   {i286_wtex,	i286_wtex,	i286_wt,	i286_wt,		// 00
-			i286_wt,	i286_wt,	i286_wt,	i286_wt,		// 20
-			i286_wt,	i286_wt,	i286_wt,	i286_wt,		// 40
-			i286_wt,	i286_wt,	i286_wt,	i286_wt,		// 60
-			i286_wt,	i286_wt,	i286_wt,	i286_wt,		// 80
-			tram_wt,	vram_w0,	vram_w0,	vram_w0,		// a0
-			emmc_wt,	emmc_wt,	i286_wn,	i286_wn,		// c0
-			vram_w0,	i286_wn,	i286_wn,	i286_wn},		// e0
-
-		   {i286w_rdex,	i286w_rdex,	i286w_rd,	i286w_rd,		// 00
-			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,		// 60
-			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
-
-		   {i286w_wtex,	i286w_wtex,	i286w_wt,	i286w_wt,		// 00
-			i286w_wt,	i286w_wt,	i286w_wt,	i286w_wt,		// 20
-			i286w_wt,	i286w_wt,	i286w_wt,	i286w_wt,		// 40
-			i286w_wt,	i286w_wt,	i286w_wt,	i286w_wt,		// 60
-			i286w_wt,	i286w_wt,	i286w_wt,	i286w_wt,		// 80
-			tramw_wt,	vramw_w0,	vramw_w0,	vramw_w0,		// a0
-			emmcw_wt,	emmcw_wt,	i286w_wn,	i286w_wn,		// c0
-			vramw_w0,	i286w_wn,	i286w_wn,	i286w_wn}};		// e0
-
-static const VACCTBL vacctbl[0x10] = {
-			{vram_r0,	vram_w0,	vramw_r0,	vramw_w0},		// 00
-			{vram_r1,	vram_w1,	vramw_r1,	vramw_w1},
-			{vram_r0,	vram_w0,	vramw_r0,	vramw_w0},
-			{vram_r1,	vram_w1,	vramw_r1,	vramw_w1},
-			{vram_r0,	vram_w0,	vramw_r0,	vramw_w0},		// 40
-			{vram_r1,	vram_w1,	vramw_r1,	vramw_w1},
-			{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}};
-
-
-#if defined(ARM)
-REG8 MEMCALL i286_nonram_r(UINT32 address);
-REG16 MEMCALL i286_nonram_rw(UINT32 address);
-#else
-static REG8 MEMCALL i286_nonram_r(UINT32 address) {
-
-	(void)address;
-	return(0xff);
-}
-
-static REG16 MEMCALL i286_nonram_rw(UINT32 address) {
-
-	(void)address;
-	return(0xffff);
-}
-#endif
-
-void MEMCALL i286_vram_dispatch(UINT func) {
-
-const VACCTBL	*vacc;
-
-	vacc = vacctbl + (func & 0x0f);
-
-	memfn.rd8[0xa8000 >> 15] = vacc->rd8;
-	memfn.rd8[0xb0000 >> 15] = vacc->rd8;
-	memfn.rd8[0xb8000 >> 15] = vacc->rd8;
-	memfn.rd8[0xe0000 >> 15] = vacc->rd8;
-
-	memfn.wr8[0xa8000 >> 15] = vacc->wr8;
-	memfn.wr8[0xb0000 >> 15] = vacc->wr8;
-	memfn.wr8[0xb8000 >> 15] = vacc->wr8;
-	memfn.wr8[0xe0000 >> 15] = vacc->wr8;
-
-	memfn.rd16[0xa8000 >> 15] = vacc->rd16;
-	memfn.rd16[0xb0000 >> 15] = vacc->rd16;
-	memfn.rd16[0xb8000 >> 15] = vacc->rd16;
-	memfn.rd16[0xe0000 >> 15] = vacc->rd16;
-
-	memfn.wr16[0xa8000 >> 15] = vacc->wr16;
-	memfn.wr16[0xb0000 >> 15] = vacc->wr16;
-	memfn.wr16[0xb8000 >> 15] = vacc->wr16;
-	memfn.wr16[0xe0000 >> 15] = vacc->wr16;
-
-	if (!(func & 0x10)) {							// degital
-		memfn.wr8[0xe0000 >> 15] = i286_wn;
-		memfn.wr16[0xe0000 >> 15] = i286w_wn;
-		memfn.rd8[0xe0000 >> 15] = i286_nonram_r;
-		memfn.rd16[0xe0000 >> 15] = i286_nonram_rw;
-	}
-}
-
-#if !defined(ARM)
-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]);
+		UINT8 *out = (UINT8 *)dat;
+		if (address < I286_MEMREADMAX) {
+			CopyMemory(out, mem + address, I286_MEMREADMAX - address);
+			out += I286_MEMREADMAX - address;
+			leng -= I286_MEMREADMAX - address;
+			address = I286_MEMREADMAX;
 		}
-		else {
-			return(0xff);
+		while(leng--) {
+			*out++ = memp_read8(address++);
 		}
 	}
-#endif
-	else {
-		return(memfn.rd8[(address >> 15) & 0x1f](address));
-	}
 }
 
-REG16 MEMCALL i286_memoryread_w(UINT32 address) {
+void MEMCALL memp_writes(UINT32 address, const void *dat, UINT leng) {
 
-	REG16	ret;
+const UINT8	*out;
 
-	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);
-	}
-}
-
-void MEMCALL i286_memorywrite(UINT32 address, REG8 value) {
-
-	if (address < I286_MEMWRITEMAX) {
-		mem[address] = (BYTE)value;
-	}
-#if defined(USE_HIMEM)
-	else if (address >= USE_HIMEM) {
-		address -= 0x100000;
-		if (address < CPU_EXTMEMSIZE) {
-			CPU_EXTMEM[address] = (BYTE)value;
-		}
+	if ((address + leng) < I286_MEMWRITEMAX) {
+		CopyMemory(mem + address, dat, leng);
 	}
-#endif
 	else {
-		memfn.wr8[(address >> 15) & 0x1f](address, value);
-	}
-}
-
-void MEMCALL i286_memorywrite_w(UINT32 address, REG16 value) {
-
-	if (address < (I286_MEMWRITEMAX - 1)) {
-		STOREINTELWORD(mem + address, value);
-	}
-#if defined(USE_HIMEM)
-	else if (address >= (USE_HIMEM - 1)) {
-		address -= 0x100000;
-		if (address == (USE_HIMEM - 0x100000 - 1)) {
-			mem[address] = (BYTE)value;
-		}
-		else if (address < CPU_EXTMEMSIZE) {
-			CPU_EXTMEM[address] = (BYTE)value;
+		out = (UINT8 *)dat;
+		if (address < I286_MEMWRITEMAX) {
+			CopyMemory(mem + address, out, I286_MEMWRITEMAX - address);
+			out += I286_MEMWRITEMAX - address;
+			leng -= I286_MEMWRITEMAX - address;
+			address = I286_MEMWRITEMAX;
 		}
-		address++;
-		if (address < CPU_EXTMEMSIZE) {
-			CPU_EXTMEM[address] = (BYTE)(value >> 8);
+		while(leng--) {
+			memp_write8(address++, *out++);
 		}
 	}
-#endif
-	else if ((address & 0x7fff) != 0x7fff) {
-		memfn.wr16[(address >> 15) & 0x1f](address, value);
-	}
-	else {
-		memfn.wr8[(address >> 15) & 0x1f](address, (BYTE)value);
-		address++;
-		memfn.wr8[(address >> 15) & 0x1f](address, (BYTE)(value >> 8));
-	}
-}
-#endif
-
-REG8 MEMCALL i286_membyte_read(UINT seg, UINT off) {
-
-	UINT32	address;
-
-	address = (seg << 4) + 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) + off;
-	if (address < (I286_MEMREADMAX - 1)) {
-		return(LOADINTELWORD(mem + address));
-	}
-	else {
-		return(i286_memoryread_w(address));
-	}
-}
+void MEMCALL memr_reads(UINT seg, UINT off, void *dat, UINT leng) {
 
-void MEMCALL i286_membyte_write(UINT seg, UINT off, REG8 value) {
-
-	UINT32	address;
-
-	address = (seg << 4) + off;
-	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) + off;
-	if (address < (I286_MEMWRITEMAX - 1)) {
-		STOREINTELWORD(mem + address, value);
-	}
-	else {
-		i286_memorywrite_w(address, value);
-	}
-}
-
-void MEMCALL i286_memstr_read(UINT seg, UINT off, void *dat, UINT leng) {
-
-	BYTE	*out;
+	UINT8	*out;
 	UINT32	adrs;
 	UINT	size;
 
-	out = (BYTE *)dat;
+	out = (UINT8 *)dat;
 	adrs = seg << 4;
+	off = LOW16(off);
 	if ((I286_MEMREADMAX >= 0x10000) &&
 		(adrs < (I286_MEMREADMAX - 0x10000))) {
 		if (leng) {
@@ -1087,21 +77,21 @@ void MEMCALL i286_memstr_read(UINT seg, 
 	}
 	else {
 		while(leng--) {
-			*out++ = i286_memoryread(adrs + off);
+			*out++ = memp_read8(adrs + off);
 			off = LOW16(off + 1);
 		}
 	}
 }
 
-void MEMCALL i286_memstr_write(UINT seg, UINT off,
-												const void *dat, UINT leng) {
+void MEMCALL memr_writes(UINT seg, UINT off, const void *dat, UINT leng) {
 
-	BYTE	*out;
+	UINT8	*out;
 	UINT32	adrs;
 	UINT	size;
 
-	out = (BYTE *)dat;
+	out = (UINT8 *)dat;
 	adrs = seg << 4;
+	off = LOW16(off);
 	if ((I286_MEMWRITEMAX >= 0x10000) &&
 		(adrs < (I286_MEMWRITEMAX - 0x10000))) {
 		if (leng) {
@@ -1125,49 +115,9 @@ void MEMCALL i286_memstr_write(UINT seg,
 	}
 	else {
 		while(leng--) {
-			i286_memorywrite(adrs + off, *out++);
+			memp_write8(adrs + off, *out++);
 			off = LOW16(off + 1);
 		}
 	}
 }
 
-void MEMCALL i286_memx_read(UINT32 address, void *dat, UINT leng) {
-
-	if ((address + leng) < I286_MEMREADMAX) {
-		CopyMemory(dat, mem + address, leng);
-	}
-	else {
-		BYTE *out = (BYTE *)dat;
-		if (address < I286_MEMREADMAX) {
-			CopyMemory(out, mem + address, I286_MEMREADMAX - address);
-			out += I286_MEMREADMAX - address;
-			leng -= I286_MEMREADMAX - address;
-			address = I286_MEMREADMAX;
-		}
-		while(leng--) {
-			*out++ = i286_memoryread(address++);
-		}
-	}
-}
-
-void MEMCALL i286_memx_write(UINT32 address, const void *dat, UINT leng) {
-
-const BYTE	*out;
-
-	if ((address + leng) < I286_MEMWRITEMAX) {
-		CopyMemory(mem + address, dat, leng);
-	}
-	else {
-		out = (BYTE *)dat;
-		if (address < I286_MEMWRITEMAX) {
-			CopyMemory(mem + address, out, I286_MEMWRITEMAX - address);
-			out += I286_MEMWRITEMAX - address;
-			leng -= I286_MEMWRITEMAX - address;
-			address = I286_MEMWRITEMAX;
-		}
-		while(leng--) {
-			i286_memorywrite(address++, *out++);
-		}
-	}
-}
-