--- np2/pccore.c	2004/02/19 11:32:11	1.73
+++ np2/pccore.c	2004/03/01 05:29:58	1.77
@@ -7,6 +7,7 @@
 #include	"cpucore.h"
 #include	"pccore.h"
 #include	"iocore.h"
+#include	"gdc_sub.h"
 #include	"cbuscore.h"
 #include	"pc9861k.h"
 #include	"mpu98ii.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"
@@ -46,7 +48,6 @@
 				0, 0, 0, 0,
 				{0x3e, 0x73, 0x7b}, 0,
 				0, 0, {1, 1, 6, 1, 8, 1},
-				{{0, {0, }}, {0, {0, }}},
 
 				"VX", PCBASECLOCK25, 4,
 				{0x48, 0x05, 0x04, 0x00, 0x01, 0x00, 0x00, 0x6e},
@@ -132,13 +133,7 @@ static void pccore_set(void) {
 	}
 	pccore.multiple = multiple;
 	pccore.realclock = pccore.baseclock * multiple;
-#if 0
-	keybrd.xferclock = pccore.realclock / 1920;
-	gdc.rasterclock = pccore.realclock / 24816;
-	gdc.hsyncclock = (gdc.rasterclock * 4) / 5;
-	gdc.dispclock = pccore.realclock * 50 / 3102;
-	gdc.vsyncclock = pccore.realclock * 5 / 3102;
-#endif
+
 	// 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;
@@ -380,7 +375,9 @@ void pccore_reset(void) {
 
 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;
@@ -398,110 +395,113 @@ static void drawscreen(void) {
 		gdc_updateclock();
 	}
 
-	if (drawframe) {
-		if ((gdcs.textdisp & GDCSCRN_EXT) ||
-			(gdcs.grphdisp & GDCSCRN_EXT)) {
-			if (dispsync_renewalvertical()) {
-				gdcs.textdisp |= GDCSCRN_ALLDRAW2;
-				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 (!drawframe) {
+		return;
+	}
+	if ((gdcs.textdisp & GDCSCRN_EXT) || (gdcs.grphdisp & GDCSCRN_EXT)) {
+		if (dispsync_renewalvertical()) {
+			gdcs.textdisp |= GDCSCRN_ALLDRAW2;
+			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.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.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);
 			}
-		}
-		if (screenupdate) {
-			screenupdate = scrndraw_draw((BYTE)(screenupdate & 2));
-			drawcount++;
+			else {
+				maketext40(gdcs.textdisp & GDCSCRN_ALLDRAW);
+			}
+			gdcs.textdisp &= ~GDCSCRN_MAKE;
+			screenupdate |= 1;
 		}
 	}
+	if (screenupdate) {
+		screenupdate = scrndraw_draw((BYTE)(screenupdate & 2));
+		drawcount++;
+	}
 }
 
 void screendisp(NEVENTITEM item) {
@@ -652,8 +652,16 @@ void pccore_exec(BOOL draw) {
 									CPU_DX, CPU_DS, CPU_DI, mem[0xa3fe0]));
 			}
 #endif
-			i286x_step();
-//			i286c_step();
+#if 0
+			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();
 		}
 #endif
 		nevent_progress();