--- np2/bios/bios.c	2004/06/18 07:42:13	1.68
+++ np2/bios/bios.c	2007/11/11 13:54:14	1.77
@@ -56,7 +56,7 @@ const IODATA	*pterm;
 	gdc_biosreset();
 
 	p = iodata;
-	pterm = iodata + (sizeof(iodata) / sizeof(IODATA));
+	pterm = iodata + NELEMENTS(iodata);
 	while(p < pterm) {
 		iocore_out8(p->port, p->data);
 		p++;
@@ -82,12 +82,13 @@ static void bios_memclear(void) {
 
 static void bios_reinitbyswitch(void) {
 
-	BYTE	prxcrt;
-	BYTE	prxdupd;
-	BYTE	biosflag;
+	UINT8	prxcrt;
+	UINT8	prxdupd;
+	UINT8	biosflag;
+	UINT8	extmem;
 	UINT8	boot;
 
-	if (!(np2cfg.dipsw[2] & 0x80)) {
+	if (!(pccore.dipsw[2] & 0x80)) {
 #if defined(CPUCORE_IA32)
 		mem[MEMB_SYS_TYPE] = 0x03;		// 80386〜
 #else
@@ -100,13 +101,13 @@ static void bios_reinitbyswitch(void) {
 
 	mem[MEMB_BIOS_FLAG0] = 0x01;
 	prxcrt = 0x08;
-	if (!(np2cfg.dipsw[0] & 0x01)) {			// dipsw1-1 on
+	if (!(pccore.dipsw[0] & 0x01)) {			// dipsw1-1 on
 		prxcrt |= 0x40;
 	}
 	if (gdc.display & (1 << GDCDISP_ANALOG)) {
 		prxcrt |= 0x04;							// color16
 	}
-	if (!(np2cfg.dipsw[0] & 0x80)) {			// dipsw1-8 on
+	if (!(pccore.dipsw[0] & 0x80)) {			// dipsw1-8 on
 		prxcrt |= 0x01;
 	}
 	if (grcg.chip) {
@@ -118,7 +119,7 @@ static void bios_reinitbyswitch(void) {
 	if (grcg.chip >= 3) {
 		prxdupd |= 0x40;
 	}
-	if (!(np2cfg.dipsw[1] & 0x80)) {			// dipsw2-8 on
+	if (!(pccore.dipsw[1] & 0x80)) {			// dipsw2-8 on
 		prxdupd |= 0x20;
 	}
 	mem[MEMB_PRXDUPD] = prxdupd;
@@ -128,11 +129,16 @@ static void bios_reinitbyswitch(void) {
 		biosflag |= 0x80;
 	}
 	biosflag |= mem[0xa3fea] & 7;
-	if (np2cfg.dipsw[2] & 0x80) {
+	if (pccore.dipsw[2] & 0x80) {
 		biosflag |= 0x40;
 	}
 	mem[MEMB_BIOS_FLAG1] = biosflag;
-	mem[MEMB_EXPMMSZ] = (BYTE)(pccore.extmem << 3);
+	extmem = pccore.extmem;
+	extmem = min(extmem, 14);
+	mem[MEMB_EXPMMSZ] = (UINT8)(extmem << 3);
+	if (pccore.extmem >= 15) {
+		mem[0x0594] = pccore.extmem - 15;
+	}
 	mem[MEMB_CRT_RASTER] = 0x0f;
 
 	// FDD initialize
@@ -151,9 +157,10 @@ static void bios_reinitbyswitch(void) {
 	mem[MEMB_F2DD_MODE] = 0xff;
 
 #if defined(SUPPORT_CRT31KHZ)
-	mem[MEMB_CRT_BIOS] = 0x80;
+	mem[MEMB_CRT_BIOS] |= 0x80;
 #endif
 #if defined(SUPPORT_PC9821)
+	mem[MEMB_CRT_BIOS] |= 0x04;		// 05/02/03
 	mem[0x45c] = 0x40;
 #endif
 
@@ -186,23 +193,38 @@ static void bios_screeninit(void) {
 	REG8	al;
 
 	al = 4;
-	al += (np2cfg.dipsw[1] & 0x04) >> 1;
-	al += (np2cfg.dipsw[1] & 0x08) >> 3;
+	al += (pccore.dipsw[1] & 0x04) >> 1;
+	al += (pccore.dipsw[1] & 0x08) >> 3;
 	bios0x18_0a(al);
 }
 
+static void setbiosseed(UINT8 *ptr, UINT size, UINT seedpos) {
+
+	UINT8	x;
+	UINT8	y;
+	UINT	i;
+
+	x = 0;
+	y = 0;
+	for (i=0; i<size; i+=2) {
+		x += ptr[i + 0];
+		y += ptr[i + 1];
+	}
+	ptr[seedpos + 0] -= x;
+	ptr[seedpos + 1] -= y;
+}
 
 void bios_initialize(void) {
 
 	BOOL	biosrom;
-	char	path[MAX_PATH];
+	OEMCHAR	path[MAX_PATH];
 	FILEH	fh;
 	UINT	i;
 	UINT32	tmp;
 	UINT	pos;
 
 	biosrom = FALSE;
-	getbiospath(path, str_biosrom, sizeof(path));
+	getbiospath(path, str_biosrom, NELEMENTS(path));
 	fh = file_open_rb(path);
 	if (fh != FILEH_INVALID) {
 		biosrom = (file_read(fh, mem + 0x0e8000, 0x18000) == 0x18000);
@@ -216,16 +238,24 @@ void bios_initialize(void) {
 			tmp = LOADINTELDWORD(mem + 0xf0000 + i);
 			if (tmp == 0x506e5024) {
 				TRACEOUT(("found PnP BIOS at %.5x", 0xf0000 + i));
-				STOREINTELDWORD(mem + 0xf0000 + i, 0x32504e24);
+				mem[0xf0000 + i] = 0x6e;
+				mem[0xf0002 + i] = 0x24;
+				break;
 			}
 		}
 	}
 	else {
 		CopyMemory(mem + 0x0e8000, nosyscode, sizeof(nosyscode));
+		if ((!biosrom) && (!(pccore.model & PCMODEL_EPSON))) {
+			CopyMemory(mem + 0xe8dd8, neccheck, 0x25);
+			pos = LOADINTELWORD(itfrom + 2);
+			CopyMemory(mem + 0xf538e, itfrom + pos, 0x27);
+		}
+		setbiosseed(mem + 0x0e8000, 0x10000, 0xb1f0);
 	}
 
 #if defined(SUPPORT_PC9821)
-	getbiospath(path, "bios9821.rom", sizeof(path));
+	getbiospath(path, OEMTEXT("bios9821.rom"), sizeof(path));
 	fh = file_open_rb(path);
 	if (fh != FILEH_INVALID) {
 		if (file_read(fh, mem + 0x0d8000, 0x2000) == 0x2000) {
@@ -235,6 +265,16 @@ void bios_initialize(void) {
 		}
 		file_close(fh);
 	}
+#if defined(BIOS_SIMULATE)
+	mem[0xf8e80] = 0x98;
+	mem[0xf8e81] = 0x21;
+	mem[0xf8e82] = 0x1f;
+	mem[0xf8e83] = 0x20;	// Model Number?
+	mem[0xf8e84] = 0x2c;
+	mem[0xf8e85] = 0xb0;
+
+	// mem[0xf8eaf] = 0x21;		// <- これって何だっけ？
+#endif
 #endif
 
 #if defined(BIOS_SIMULATE)
@@ -257,12 +297,6 @@ void bios_initialize(void) {
 	mem[0xffff0] = 0xea;
 	STOREINTELDWORD(mem + 0xffff1, 0xfd800000);
 
-	if ((!biosrom) && (!(pccore.model & PCMODEL_EPSON))) {
-		CopyMemory(mem + 0xe8dd8, neccheck, 0x25);
-		pos = LOADINTELWORD(itfrom + 2);
-		CopyMemory(mem + 0xf538e, itfrom + pos, 0x27);
-	}
-
 	CopyMemory(mem + 0x0fd800 + 0x0e00, keytable[0], 0x300);
 
 	CopyMemory(mem + ITF_ADRS, itfrom, sizeof(itfrom));
@@ -274,6 +308,7 @@ void bios_initialize(void) {
 	else if ((pccore.model & PCMODELMASK) == PCMODEL_VM) {
 		mem[ITF_ADRS + 0x7ff1] = 0x08;
 	}
+	setbiosseed(mem + 0x0f8000, 0x08000, 0x7ffe);
 #else
 	fh = file_open_c("itf.rom");
 	if (fh != FILEH_INVALID) {
@@ -329,12 +364,12 @@ UINT MEMCALL biosfunc(UINT32 adrs) {
 //	TRACEOUT(("biosfunc(%x)", adrs));
 #if defined(CPUCORE_IA32) && defined(TRACE)
 	if (CPU_STAT_PAGING) {
-		UINT32 pde = i286_memoryread_d(CPU_STAT_PDE_BASE);
+		UINT32 pde = MEMP_READ32(CPU_STAT_PDE_BASE);
 		if (!(pde & CPU_PDE_PRESENT)) {
 			TRACEOUT(("page0: PTE not present"));
 		}
 		else {
-			UINT32 pte = i286_memoryread_d(pde & CPU_PDE_BASEADDR_MASK);
+			UINT32 pte = MEMP_READ32(pde & CPU_PDE_BASEADDR_MASK);
 			if (!(pte & CPU_PTE_PRESENT)) {
 				TRACEOUT(("page0: not present"));
 			}
@@ -426,29 +461,7 @@ UINT MEMCALL biosfunc(UINT32 adrs) {
 
 		case BIOS_BASE + BIOSOFST_WAIT:
 			CPU_STI;
-#if 1
 			return(bios0x1b_wait());								// ver0.78
-#else
-			if (fddmtr.busy) {
-				CPU_IP--;
-				CPU_REMCLOCK = -1;
-			}
-			else {
-				if (fdc.chgreg & 1) {
-					if (!(mem[MEMB_DISK_INTL] & (0x01 << fdc.us))) {
-						CPU_IP--;
-						CPU_REMCLOCK -= 1000;
-					}
-				}
-				else {
-					if (!(mem[MEMB_DISK_INTH] & (0x10 << fdc.us))) {
-						CPU_IP--;
-						CPU_REMCLOCK -= 1000;
-					}
-				}
-			}
-			return(1);
-#endif
 
 		case 0xfffe8:					// ブートストラップロード
 			CPU_REMCLOCK -= 2000;