--- np2/io/crtc.c	2005/02/16 09:31:55	1.7
+++ np2/io/crtc.c	2007/11/11 13:54:14	1.11
@@ -27,7 +27,7 @@ static void IOOUTCALL crtc_o7c(UINT port
 		if (grcg.chip >= 2) {
 			grcg.gdcwithgrcg = (dat >> 4) & 0x0c;
 		}
-		i286_vram_dispatch(vramop.operate);
+		MEMM_VRAM(vramop.operate);
 	}
 	(void)port;
 }
@@ -63,7 +63,7 @@ static const IOINP crtci70[8] = {
 
 void crtc_biosreset(void) {
 
-	if (!(np2cfg.dipsw[0] & 0x01)) {
+	if (!(pccore.dipsw[0] & 0x01)) {
 		crtc.reg.pl = 0;
 		crtc.reg.bl = 0x0f;
 		crtc.reg.cl = 0x10;
@@ -76,16 +76,23 @@ void crtc_biosreset(void) {
 		crtc.reg.ssl = 0;
 	}
 	gdcs.textdisp |= GDCSCRN_ALLDRAW;
+
+	grcg.modereg = 0;
+	grcg.counter = 0;
+	vramop.operate &= ~(3 << VOPBIT_GRCG);
+	grcg.gdcwithgrcg = 0;
+	ZeroMemory(grcg.tile, sizeof(grcg.tile));
+	MEMM_VRAM(vramop.operate);
 }
 
-void crtc_reset(void) {
+void crtc_reset(const NP2CFG *pConfig) {
 
 	ZeroMemory(&grcg, sizeof(grcg));
 	ZeroMemory(&crtc, sizeof(crtc));
 #if defined(SUPPORT_PC9821)
 	grcg.chip = 3;							// PC-9821は EGC必須
 #else
-	grcg.chip = np2cfg.grcg & 3;			// GRCG動作のコピー
+	grcg.chip = pConfig->grcg & 3;			// GRCG動作のコピー
 #endif
 	crtc_biosreset();
 }