--- np2/pccore.c	2004/01/22 01:10:03	1.45
+++ np2/pccore.c	2004/03/21 11:47:19	1.80
@@ -5,12 +5,13 @@
 #include	"sysmng.h"
 #include	"timemng.h"
 #include	"cpucore.h"
-#include	"np2ver.h"
 #include	"pccore.h"
 #include	"iocore.h"
+#include	"gdc_sub.h"
 #include	"cbuscore.h"
 #include	"pc9861k.h"
 #include	"mpu98ii.h"
+#include	"amd98.h"
 #include	"bios.h"
 #include	"biosmem.h"
 #include	"vram.h"
@@ -20,6 +21,7 @@
 #include	"maketext.h"
 #include	"maketgrp.h"
 #include	"makegrph.h"
+#include	"makegrex.h"
 #include	"sound.h"
 #include	"fmboard.h"
 #include	"beep.h"
@@ -29,12 +31,14 @@
 #include	"fddfile.h"
 #include	"fdd_mtr.h"
 #include	"sxsi.h"
-#include	"calendar.h"
-#include	"timing.h"
-#include	"debugsub.h"
 #if defined(SUPPORT_HOSTDRV)
 #include	"hostdrv.h"
 #endif
+#include	"np2ver.h"
+#include	"calendar.h"
+#include	"timing.h"
+#include	"keystat.h"
+#include	"debugsub.h"
 
 
 	const char	np2version[] = NP2VER_CORE;
@@ -42,40 +46,35 @@
 	NP2CFG	np2cfg = {
 				0, 1, 0, 32, 0, 0, 0x40,
 				0, 0, 0, 0,
-				{0x3e, 0x63, 0x7a}, 0,
+				{0x3e, 0x73, 0x7b}, 0,
 				0, 0, {1, 1, 6, 1, 8, 1},
 
 				"VX", PCBASECLOCK25, 4,
 				{0x48, 0x05, 0x04, 0x00, 0x01, 0x00, 0x00, 0x6e},
 				1, 1, 2, 1, 0x000000, 0xffffff,
-				22050, 800, 4, 0,
+				22050, 500, 4, 0,
 				{0, 0, 0}, 0xd1, 0x7f, 0xd1, 0, 0, 1,
 				3, {0x0c, 0x0c, 0x08, 0x06, 0x03, 0x0c}, 64, 64, 64, 64, 64,
 				1, 0x82,
 				0, {0x17, 0x04, 0x1f}, {0x0c, 0x0c, 0x02, 0x10, 0x3f, 0x3f},
 				3, 1, 80, 0, 0,
-				{"", ""}, {"", "", "", ""}, "", "", ""};
+				{"", ""},
+#if defined(SUPPORT_SCSI)
+				{"", "", "", ""},
+#endif
+				"", "", ""};
 
 	PCCORE	pccore = {	PCBASECLOCK25, 4,
-						0, PCMODEL_VX, 0, 0,
+						0, PCMODEL_VX, 0, 0, {0x3e, 0x73, 0x7b}, 0,
 						0, 0,
-						4 * PCBASECLOCK25,
-						4 * PCBASECLOCK25 * 50 / 3104,
-						4 * PCBASECLOCK25 * 5 / 3104,
-						4 * PCBASECLOCK25 / 1920,
-						4 * PCBASECLOCK25 / 3125,
-						100, 20};
-
-									// on=0, off=1
-//	BYTE	dip_default[3] = {0x3e, 0x63, 0x7a};
-static const BYTE msw_default[8] =
-							{0x48, 0x05, 0x04, 0x00, 0x01, 0x00, 0x00, 0x6e};
+						4 * PCBASECLOCK25};
 
 	BYTE	screenupdate = 3;
 	int		screendispflag = 1;
 	int		soundrenewal = 0;
 	BOOL	drawframe;
 	UINT	drawcount = 0;
+	BOOL	hardwarereset = FALSE;
 
 
 // ---------------------------------------------------------------------------
@@ -98,64 +97,31 @@ const char	*p;
 
 // ----
 
-static void setvsyncclock(void) {
-
-	UINT	vfp;
-	UINT	vbp;
-	UINT	lf;
-	UINT	disp;
-	UINT	vs;
-	UINT	maxy;
-	UINT	cnt;
-
-	vfp = gdc.m.para[GDC_SYNC + 5] & 0x3f;
-	if (!vfp) {
-		vfp = 1;
-	}
-	vbp = gdc.m.para[GDC_SYNC + 7] >> 2;
-	if (!vbp) {
-		vbp = 1;
-	}
-	lf = LOADINTELWORD(gdc.m.para + GDC_SYNC + 6);
-	lf &= 0x3ff;
-	if (!lf) {
-		lf = 1024;
-	}
-	disp = vfp + vbp + lf;
-	vs = LOADINTELWORD(gdc.m.para + GDC_SYNC + 4);
-	vs = (vs >> 5) & 0x1f;
-	if (!vs) {
-		vs = 1;
-	}
-	maxy = disp + vs;
-	cnt = (pccore.realclock * 5) / 282;
-	pccore.raster = cnt / maxy;
-	pccore.hsync = (pccore.raster * 4) / 5;
-	pccore.dispclock = pccore.raster * disp;
-	pccore.vsyncclock = cnt - pccore.dispclock;
-}
-
-static void setpcclock(const char *modelstr, UINT base, UINT multiple) {
+static void pccore_set(void) {
 
 	UINT8	model;
+	UINT32	multiple;
+	UINT8	extsize;
 
+	ZeroMemory(&pccore, sizeof(pccore));
 	model = PCMODEL_VX;
-	if (!milstr_cmp(modelstr, str_VM)) {
+	if (!milstr_cmp(np2cfg.model, str_VM)) {
 		model = PCMODEL_VM;
 	}
-	else if (!milstr_cmp(modelstr, str_EPSON)) {
+	else if (!milstr_cmp(np2cfg.model, str_EPSON)) {
 		model = PCMODEL_EPSON | PCMODEL_VM;
 	}
 	pccore.model = model;
 
-	if (base >= ((PCBASECLOCK25 + PCBASECLOCK20) / 2)) {
+	if (np2cfg.baseclock >= ((PCBASECLOCK25 + PCBASECLOCK20) / 2)) {
 		pccore.baseclock = PCBASECLOCK25;			// 2.5MHz
 		pccore.cpumode = 0;
 	}
 	else {
 		pccore.baseclock = PCBASECLOCK20;			// 2.0MHz
-		pccore.cpumode = CPUMODE_8MHz;
+		pccore.cpumode = CPUMODE_8MHZ;
 	}
+	multiple = np2cfg.multiple;
 	if (multiple == 0) {
 		multiple = 1;
 	}
@@ -164,12 +130,31 @@ static void setpcclock(const char *model
 	}
 	pccore.multiple = multiple;
 	pccore.realclock = pccore.baseclock * multiple;
-	pccore.raster = pccore.realclock / 24816;
-	pccore.hsync = (pccore.raster * 4) / 5;
-	pccore.dispclock = pccore.realclock * 50 / 3102;
-	pccore.vsyncclock = pccore.realclock * 5 / 3102;
-	pccore.keyboardclock = pccore.realclock / 1920;
-	pccore.midiclock = pccore.realclock / 3125;
+
+	// HDDの接続 (I/Oの使用状態が変わるので..
+	if (np2cfg.dipsw[1] & 0x20) {
+		pccore.hddif |= PCHDD_IDE;
+	}
+
+	// 拡張メモリ
+	extsize = 0;
+	if (!(np2cfg.dipsw[2] & 0x80)) {
+		extsize = min(np2cfg.EXTMEM, 13);
+	}
+	pccore.extmem = extsize;
+	CopyMemory(pccore.dipsw, np2cfg.dipsw, 3);
+
+	// サウンドボードの接続
+	pccore.sound = np2cfg.SOUND_SW;
+
+	// その他CBUSの接続
+	pccore.device = 0;
+	if (np2cfg.pc9861enable) {
+		pccore.device |= PCCBUS_PC9861K;
+	}
+	if (np2cfg.mpuenable) {
+		pccore.device |= PCCBUS_MPU98;
+	}
 }
 
 
@@ -184,9 +169,7 @@ static void sound_init(void) {
 		rate = 0;
 	}
 	sound_create(rate, np2cfg.delayms);
-#if defined(SUPPORT_WAVEMIX)
-	wavemix_initialize(rate);
-#endif
+	fddmtrsnd_initialize(rate);
 	beep_initialize(rate);
 	beep_setvol(np2cfg.BEEP_VOL);
 	tms3631_initialize(rate);
@@ -202,15 +185,15 @@ static void sound_init(void) {
 	pcm86gen_initialize(rate);
 	pcm86gen_setvol(np2cfg.vol_pcm);
 	cs4231_initialize(rate);
+	amd98_initialize(rate);
 }
 
 static void sound_term(void) {
 
 	soundmng_stop();
-#if defined(SUPPORT_WAVEMIX)
-	wavemix_deinitialize();
-#endif
+	amd98_deinitialize();
 	rhythm_deinitialize();
+	fddmtrsnd_deinitialize();
 	sound_destroy();
 }
 
@@ -221,21 +204,21 @@ void pccore_init(void) {
 	pal_initlcdtable();
 	pal_makelcdpal();
 	pal_makeskiptable();
-	dispsync_init();
+	dispsync_initialize();
 	sxsi_initialize();
 
-	font_init();
+	font_initialize();
 	font_load(np2cfg.fontfile, TRUE);
-	maketext_init();
-	makegrph_init();
-	gdcsub_init();
-	fddfile_init();
+	maketext_initialize();
+	makegrph_initialize();
+	gdcsub_initialize();
+	fddfile_initialize();
 
 	sound_init();
 
-	mpu98ii_construct();
 	rs232c_construct();
-	pc9861k_construct();
+	mpu98ii_construct();
+	pc9861k_initialize();
 
 	iocore_create();
 
@@ -257,15 +240,15 @@ void pccore_term(void) {
 	fdd_eject(2);
 	fdd_eject(3);
 
-	extmemmng_clear();
-
 	iocore_destroy();
 
-	pc9861k_destruct();
-	rs232c_destruct();
+	pc9861k_deinitialize();
 	mpu98ii_destruct();
+	rs232c_destruct();
 
 	sxsi_trash();
+
+	CPU_DEINITIALIZE();
 }
 
 
@@ -290,25 +273,6 @@ void pccore_reset(void) {
 
 	int		i;
 
-	ZeroMemory(mem, 0x10fff0);									// ver0.28
-	ZeroMemory(mem + VRAM1_B, 0x18000);
-	ZeroMemory(mem + VRAM1_E, 0x08000);
-	ZeroMemory(mem + FONT_ADRS, 0x08000);
-
-	CPU_RESET();
-	CPU_TYPE = 0;
-	if (np2cfg.dipsw[2] & 0x80) {
-		CPU_TYPE = CPUTYPE_V30;
-	}
-
-	//メモリスイッチ
-	for (i=0; i<8; i++) {
-		mem[0xa3fe2 + i*4] = np2cfg.memsw[i];
-	}
-
-	fddfile_reset2dmode();
-	bios0x18_16(0x20, 0xe1);
-
 	soundmng_stop();
 	if (soundrenewal) {
 		soundrenewal = 0;
@@ -316,45 +280,57 @@ void pccore_reset(void) {
 		sound_init();
 	}
 
+	ZeroMemory(mem, 0x110000);
+	ZeroMemory(mem + VRAM1_B, 0x18000);
+	ZeroMemory(mem + VRAM1_E, 0x08000);
+	ZeroMemory(mem + FONT_ADRS, 0x08000);
 
-	// さて・・・？
-	setpcclock(np2cfg.model, np2cfg.baseclock, np2cfg.multiple);
-
-	// 拡張メモリ
-	pccore.extmem = 0;
+	//メモリスイッチ
+	for (i=0; i<8; i++) {
+		mem[0xa3fe2 + i*4] = np2cfg.memsw[i];
+	}
 
-	// HDDの接続 (I/Oの使用状態が変わるので..
-	pccore.hddif = PCHDD_SCSI | PCHDD_IDE;
+	pccore_set();
+	nevent_allreset();
 
-	// サウンドボードの接続
-	pccore.sound = np2cfg.SOUND_SW;
+	CPU_RESET();
+	CPU_SETEXTSIZE((UINT32)pccore.extmem);
 
-	// その他CBUSの接続
-	pccore.device = 0;
-	if (np2cfg.pc9861enable) {
-		pccore.device |= PCCBUS_PC9861K;
+	CPU_TYPE = 0;
+	if (np2cfg.dipsw[2] & 0x80) {
+		CPU_TYPE = CPUTYPE_V30;
 	}
-	if (np2cfg.mpuenable) {
-		pccore.device |= PCCBUS_MPU98;
+	if (pccore.model & PCMODEL_EPSON) {			// RAM ctrl
+		CPU_RAM_D000 = 0xffff;
 	}
 
+	// HDDセット
+	sxsi_open();
+#if defined(SUPPORT_SASI)
+	if (sxsi_issasi()) {
+		pccore.hddif &= ~PCHDD_IDE;
+		pccore.hddif |= PCHDD_SASI;
+		TRACEOUT(("supported SASI"));
+	}
+#endif
+#if defined(SUPPORT_SCSI)
+	if (sxsi_isscsi()) {
+		pccore.hddif |= PCHDD_SCSI;
+		TRACEOUT(("supported SCSI"));
+	}
+#endif
 
 	sound_changeclock();
 	beep_changeclock();
-	nevent_init();
-
 	sound_reset();
-#if defined(SUPPORT_WAVEMIX)
-	wavemix_bind();
-#endif
+	fddmtrsnd_bind();
 
-	if (pccore.model & PCMODEL_EPSON) {			// RAM ctrl
-		CPU_RAM_D000 = 0xffff;
-	}
+	fddfile_reset2dmode();
+	bios0x18_16(0x20, 0xe1);
 
 	iocore_reset();								// サウンドでpicを呼ぶので…
 	cbuscore_reset();
-	fmboard_reset(np2cfg.SOUND_SW);
+	fmboard_reset(pccore.sound);
 
 	i286_memorymap((pccore.model & PCMODEL_EPSON)?1:0);
 	iocore_build();
@@ -362,42 +338,34 @@ void pccore_reset(void) {
 	cbuscore_bind();
 	fmboard_bind();
 
-	timing_reset();
-	fddmtr_init();
-	calendar_init();
-	vram_init();
+	fddmtr_initialize();
+	calendar_initialize();
+	vram_initialize();
 
 	pal_change(1);
 
-	bios_init();
-	sxsi_open();
+	bios_initialize();
+
+	CS_BASE = 0xf0000;
+	CPU_CS = 0xf000;
+	CPU_IP = 0xfff0;
 
-	if (np2cfg.ITF_WORK) {
-		CS_BASE = 0xf0000;
-		CPU_CS = 0xf000;
-		CPU_IP = 0xfff0;
-	}
-	else {
-		for (i=0; i<8; i++) {
-			mem[0xa3fe2 + i*4] = msw_default[i];
-		}
-		CS_BASE = 0xfd800;
-		CPU_CS = 0xfd80;
-		CPU_IP = 0x0002;
-	}
 	CPU_CLEARPREFETCH();
 	sysmng_cpureset();
 
-	soundmng_play();
-
 #if defined(SUPPORT_HOSTDRV)
 	hostdrv_reset();
 #endif
+
+	timing_reset();
+	soundmng_play();
 }
 
 static void drawscreen(void) {
 
-	BYTE	timing;
+	UINT8	timing;
+	void	(VRAMCALL * grphfn)(int page, int alldraw);
+	UINT8	bit;
 
 	tramflag.timing++;
 	timing = ((LOADINTELWORD(gdc.m.para + GDC_CSRFORM + 1)) >> 5) & 0x3e;
@@ -411,116 +379,116 @@ static void drawscreen(void) {
 		tramflag.renewal |= 1;
 	}
 
-	if ((gdcs.textdisp & GDCSCRN_EXT) ||						// ver0.28
-		(gdcs.grphdisp & GDCSCRN_EXT)) {
-		setvsyncclock();
-	}
-
-	if (drawframe) {
-		if ((gdcs.textdisp & GDCSCRN_EXT) ||					// ver0.26
-			(gdcs.grphdisp & GDCSCRN_EXT)) {
-			if (dispsync_renewalvertical()) {
-				gdcs.textdisp |= GDCSCRN_ALLDRAW2;
-				gdcs.grphdisp |= GDCSCRN_ALLDRAW2;
-			}
-		}
-																// ver0.28/pr4
-		if (gdcs.textdisp & GDCSCRN_EXT) {
-			gdcs.textdisp &= ~GDCSCRN_EXT;
-			dispsync_renewalhorizontal();
-			tramflag.renewal |= 1;
-			if (dispsync_renewalmode()) {
-				screenupdate |= 2;
-			}
-		}
-																// ver0.28/pr4
-		if (gdcs.palchange) {									// grphを先に
-			gdcs.palchange = 0;
-			pal_change(0);
-			screenupdate |= 1;
+	if (gdcs.textdisp & GDCSCRN_EXT) {
+		gdc_updateclock();
+	}
+
+	if (!drawframe) {
+		return;
+	}
+	if ((gdcs.textdisp & GDCSCRN_EXT) || (gdcs.grphdisp & GDCSCRN_EXT)) {
+		if (dispsync_renewalvertical()) {
+			gdcs.textdisp |= GDCSCRN_ALLDRAW2;
+			gdcs.grphdisp |= GDCSCRN_ALLDRAW2;
 		}
-		if (gdcs.grphdisp & GDCSCRN_EXT) {
-			gdcs.grphdisp &= ~GDCSCRN_EXT;
-			if (((gdc.clock & 0x80) && (gdc.clock != 0x83)) ||
-				(gdc.clock == 0x03)) {
-				gdc.clock ^= 0x80;
-				gdcs.grphdisp |= GDCSCRN_ALLDRAW2;
+	}
+	if (gdcs.textdisp & GDCSCRN_EXT) {
+		gdcs.textdisp &= ~GDCSCRN_EXT;
+		dispsync_renewalhorizontal();
+		tramflag.renewal |= 1;
+		if (dispsync_renewalmode()) {
+			screenupdate |= 2;
+		}
+	}
+	if (gdcs.palchange) {
+		gdcs.palchange = 0;
+		pal_change(0);
+		screenupdate |= 1;
+	}
+	if (gdcs.grphdisp & GDCSCRN_EXT) {
+		gdcs.grphdisp &= ~GDCSCRN_EXT;
+		if (((gdc.clock & 0x80) && (gdc.clock != 0x83)) ||
+			(gdc.clock == 0x03)) {
+			gdc.clock ^= 0x80;
+			gdcs.grphdisp |= GDCSCRN_ALLDRAW2;
+		}
+	}
+	if (gdcs.grphdisp & GDCSCRN_ENABLE) {
+		if (!(gdc.mode1 & 2)) {
+			grphfn = makegrph;
+			bit = GDCSCRN_MAKE;
+			if (gdcs.disp) {
+				bit <<= 1;
+			}
+#if defined(SUPPORT_PC9821)
+			if (gdc.analog & 2) {
+				grphfn = makegrphex;
+				if (gdc.analog & 4) {
+					bit = GDCSCRN_MAKE | (GDCSCRN_MAKE << 1);
+				}
+			}
+#endif
+			if (gdcs.grphdisp & bit) {
+				(*grphfn)(gdcs.disp, gdcs.grphdisp & bit & GDCSCRN_ALLDRAW2);
+				gdcs.grphdisp &= ~bit;
+				screenupdate |= 1;
 			}
 		}
-		if (gdcs.grphdisp & GDCSCRN_ENABLE) {
-			if (!(gdc.mode1 & 2)) {
-				if (!gdcs.disp) {
-					if (gdcs.grphdisp & GDCSCRN_MAKE) {
-						makegrph(0, gdcs.grphdisp & GDCSCRN_ALLDRAW);
-						gdcs.grphdisp &= ~GDCSCRN_MAKE;
-						screenupdate |= 1;
+		else if (gdcs.textdisp & GDCSCRN_ENABLE) {
+			if (!gdcs.disp) {
+				if ((gdcs.grphdisp & GDCSCRN_MAKE) ||
+					(gdcs.textdisp & GDCSCRN_MAKE)) {
+					if (!(gdc.mode1 & 0x4)) {
+						maketextgrph(0, gdcs.textdisp & GDCSCRN_ALLDRAW,
+								gdcs.grphdisp & GDCSCRN_ALLDRAW);
 					}
-				}
-				else {
-					if (gdcs.grphdisp & (GDCSCRN_MAKE << 1)) {
-						makegrph(1, gdcs.grphdisp & (GDCSCRN_ALLDRAW << 1));
-						gdcs.grphdisp &= ~(GDCSCRN_MAKE << 1);
-						screenupdate |= 1;
+					else {
+						maketextgrph40(0, gdcs.textdisp & GDCSCRN_ALLDRAW,
+								gdcs.grphdisp & GDCSCRN_ALLDRAW);
 					}
+					gdcs.grphdisp &= ~GDCSCRN_MAKE;
+					screenupdate |= 1;
 				}
 			}
-			else if (gdcs.textdisp & GDCSCRN_ENABLE) {
-				if (!gdcs.disp) {
-					if ((gdcs.grphdisp & GDCSCRN_MAKE) ||
-						(gdcs.textdisp & GDCSCRN_MAKE)) {
-						if (!(gdc.mode1 & 0x4)) {
-							maketextgrph(0, gdcs.textdisp & GDCSCRN_ALLDRAW,
-									gdcs.grphdisp & GDCSCRN_ALLDRAW);
-						}
-						else {
-							maketextgrph40(0, gdcs.textdisp & GDCSCRN_ALLDRAW,
-									gdcs.grphdisp & GDCSCRN_ALLDRAW);
-						}
-						gdcs.grphdisp &= ~GDCSCRN_MAKE;
-						screenupdate |= 1;
+			else {
+				if ((gdcs.grphdisp & (GDCSCRN_MAKE << 1)) ||
+					(gdcs.textdisp & GDCSCRN_MAKE)) {
+					if (!(gdc.mode1 & 0x4)) {
+						maketextgrph(1, gdcs.textdisp & GDCSCRN_ALLDRAW,
+								gdcs.grphdisp & (GDCSCRN_ALLDRAW << 1));
 					}
-				}
-				else {
-					if ((gdcs.grphdisp & (GDCSCRN_MAKE << 1)) ||
-						(gdcs.textdisp & GDCSCRN_MAKE)) {
-						if (!(gdc.mode1 & 0x4)) {
-							maketextgrph(1, gdcs.textdisp & GDCSCRN_ALLDRAW,
-									gdcs.grphdisp & (GDCSCRN_ALLDRAW << 1));
-						}
-						else {
-							maketextgrph40(1, gdcs.textdisp & GDCSCRN_ALLDRAW,
-									gdcs.grphdisp & (GDCSCRN_ALLDRAW << 1));
-						}
-						gdcs.grphdisp &= ~(GDCSCRN_MAKE << 1);
-						screenupdate |= 1;
+					else {
+						maketextgrph40(1, gdcs.textdisp & GDCSCRN_ALLDRAW,
+								gdcs.grphdisp & (GDCSCRN_ALLDRAW << 1));
 					}
+					gdcs.grphdisp &= ~(GDCSCRN_MAKE << 1);
+					screenupdate |= 1;
 				}
 			}
 		}
-
-		if (gdcs.textdisp & GDCSCRN_ENABLE) {
-			if (tramflag.renewal) {
-				gdcs.textdisp |= maketext_curblink();
-			}
-			if ((cgwindow.writable & 0x80) && (tramflag.gaiji)) {
-				gdcs.textdisp |= GDCSCRN_ALLDRAW;
-			}
-			cgwindow.writable &= ~0x80;
-			if (gdcs.textdisp & GDCSCRN_MAKE) {
-				if (!(gdc.mode1 & 0x4)) {
-					maketext(gdcs.textdisp & GDCSCRN_ALLDRAW);
-				}
-				else {
-					maketext40(gdcs.textdisp & GDCSCRN_ALLDRAW);
-				}
-				gdcs.textdisp &= ~GDCSCRN_MAKE;
-				screenupdate |= 1;
+	}
+	if (gdcs.textdisp & GDCSCRN_ENABLE) {
+		if (tramflag.renewal) {
+			gdcs.textdisp |= maketext_curblink();
+		}
+		if ((cgwindow.writable & 0x80) && (tramflag.gaiji)) {
+			gdcs.textdisp |= GDCSCRN_ALLDRAW;
+		}
+		cgwindow.writable &= ~0x80;
+		if (gdcs.textdisp & GDCSCRN_MAKE) {
+			if (!(gdc.mode1 & 0x4)) {
+				maketext(gdcs.textdisp & GDCSCRN_ALLDRAW);
 			}
+			else {
+				maketext40(gdcs.textdisp & GDCSCRN_ALLDRAW);
+			}
+			gdcs.textdisp &= ~GDCSCRN_MAKE;
+			screenupdate |= 1;
 		}
-		if (screenupdate) {
-			screenupdate = scrndraw_draw((BYTE)(screenupdate & 2));
-			drawcount++;
-		}
+	}
+	if (screenupdate) {
+		screenupdate = scrndraw_draw((BYTE)(screenupdate & 2));
+		drawcount++;
 	}
 }
 
@@ -531,7 +499,7 @@ void screendisp(NEVENTITEM item) {
 	gdc_work(GDCWORK_SLAVE);
 	gdc.vsync = 0;
 	screendispflag = 0;
-	if (!np2cfg.DISPSYNC) {											// ver0.29
+	if (!np2cfg.DISPSYNC) {
 		drawscreen();
 	}
 	pi = &pic.pi[0];
@@ -553,10 +521,10 @@ void screenvsync(NEVENTITEM item) {
 		gdc.vsyncint = 0;
 		pic_setirq(2);
 	}
-	nevent_set(NEVENT_FLAMES, pccore.vsyncclock, screendisp, NEVENT_RELATIVE);
+	nevent_set(NEVENT_FLAMES, gdc.vsyncclock, screendisp, NEVENT_RELATIVE);
 
 	// drawscreenで pccore.vsyncclockが変更される可能性があります
-	if (np2cfg.DISPSYNC) {											// ver0.29
+	if (np2cfg.DISPSYNC) {
 		drawscreen();
 	}
 	(void)item;
@@ -565,11 +533,11 @@ void screenvsync(NEVENTITEM item) {
 
 // ---------------------------------------------------------------------------
 
-// #define	IPTRACE			(1 << 16)
+// #define	IPTRACE			(1 << 12)
 
-#if IPTRACE
-static UINT		trpos;
-static UINT32	treip[IPTRACE];
+#if defined(TRACE) && IPTRACE
+static	UINT	trpos = 0;
+static	UINT32	treip[IPTRACE];
 
 void iptrace_out(void) {
 
@@ -602,14 +570,14 @@ static int resetcnt = 0;
 static int execcnt = 0;
 int piccnt = 0;
 int tr = 0;
+UINT	cflg;
 #endif
 
-	UINT	cflg;
 
 void pccore_exec(BOOL draw) {
 
 	drawframe = draw;
-	keyext_flash();
+	keystat_sync();
 	soundmng_sync();
 	mouseif_sync();
 	pal_eventclear();
@@ -619,7 +587,7 @@ void pccore_exec(BOOL draw) {
 	MEMWAIT_TRAM = np2cfg.wait[0];
 	MEMWAIT_VRAM = np2cfg.wait[2];
 	MEMWAIT_GRCG = np2cfg.wait[4];
-	nevent_set(NEVENT_FLAMES, pccore.dispclock, screenvsync, NEVENT_RELATIVE);
+	nevent_set(NEVENT_FLAMES, gdc.dispclock, screenvsync, NEVENT_RELATIVE);
 
 //	nevent_get1stevent();
 
@@ -658,27 +626,28 @@ void pccore_exec(BOOL draw) {
 			treip[trpos & (IPTRACE - 1)] = (CPU_CS << 16) + CPU_IP;
 			trpos++;
 #endif
-			if (tr) {
-				TRACEOUT(("%.4x:%.4x", CPU_CS, CPU_IP));
+#if 0
+			if ((CPU_CS == 0xf800) && (CPU_IP == 0x0B5B)) {
+				TRACEOUT(("%.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x",
+							mem[0x9000], mem[0x9001],
+							mem[0x9002], mem[0x9003],
+							mem[0x9004], mem[0x9005],
+							mem[0x9006], mem[0x9007],
+							mem[0x9008], mem[0x9009]));
+			}
+			if ((CPU_CS == 0xf800) && (CPU_IP == 0x15FF)) {
+				TRACEOUT(("DX = %.4x / DS:DI = %.4x:%.4x [%.2x]",
+									CPU_DX, CPU_DS, CPU_DI, mem[0xa3fe0]));
 			}
+#endif
 #if 0
-			if ((tr & 2) && (mem[0x0471e] == '\\')) {
-				TRACEOUT(("DTA BREAK %.4x:%.4x", CPU_CS, CPU_IP));
-				TRACEOUT(("0471:000e %.2x %.2x %.2x %.2x %.2x %.2x %.2x %.2x",
-	mem[0x0471e+0], mem[0x0471e+1], mem[0x0471e+2], mem[0x0471e+3],
-	mem[0x0471e+4], mem[0x0471e+5], mem[0x0471e+6], mem[0x0471e+7]));
-				tr -= 2;
-			}
-			// DOS6
-			if (CPU_CS == 0xffd0) {
-				if (CPU_IP == 0xc4c2) {
-					TRACEOUT(("DS:DX = %.4x:%.4x / CX = %.4x", CPU_DS, CPU_DX, CPU_CX));
-				}
-				else if (CPU_IP == 0xc21d) {
-					TRACEOUT(("-> DS:BX = %.4x:%.4x", CPU_DS, CPU_BX));
-				}
+			if (CPU_IP == 0x2E4F) {
+				TRACEOUT(("CS = %.4x - 0x2e4f", CPU_CS));
 			}
 #endif
+			if (CPU_CS == 0x8b6) {
+				TRACEOUT(("%.4x:%.4x", CPU_CS, CPU_IP));
+			}
 //			i286x_step();
 			i286c_step();
 		}
@@ -692,6 +661,12 @@ void pccore_exec(BOOL draw) {
 	S98_sync();
 	sound_sync();													// happy!
 
+	if (hardwarereset) {
+		hardwarereset = FALSE;
+		pccore_cfgupdate();
+		pccore_reset();
+	}
+
 #if defined(TRACE)
 	execcnt++;
 	if (execcnt >= 60) {