--- np2/bios/bios18.c	2004/03/07 23:04:50	1.32
+++ np2/bios/bios18.c	2004/04/06 18:41:00	1.34
@@ -8,8 +8,6 @@
 #include	"font.h"
 
 
-static	int		sti_waiting = 0;
-
 typedef struct {
 	BYTE	GBON_PTN;
 	BYTE	GBBCC;
@@ -41,10 +39,10 @@ typedef struct {
 static const UINT8 modenum[4] = {3, 1, 0, 2};
 
 static const CRTDATA crtdata[7] = {
-						{0x07,	0x00, 0x07, 0x08},		// 200-20
-						{0x09,	0x1f, 0x08, 0x08},		// 200-25
-						{0x0f,	0x00, 0x0f, 0x10},		// 400-20
-						{0x13,	0x1e, 0x11, 0x10},		// 400-25
+						{0x09,	0x1f, 0x08, 0x08},		// 200-20
+						{0x07,	0x00, 0x07, 0x08},		// 200-25
+						{0x13,	0x1e, 0x11, 0x10},		// 400-20
+						{0x0f,	0x00, 0x0f, 0x10},		// 400-25
 						{0x17,	0x1c, 0x13, 0x10},		// 480-20
 						{0x12,	0x1f, 0x11, 0x10},		// 480-25
 						{0x0f,	0x00, 0x0f, 0x10}};		// 480-30
@@ -114,8 +112,8 @@ const CRTDATA	*crt;
 		gdc.mode1 |= 0x08;
 		crt += 2;
 	}
-	if (mode & 0x01) {
-		crt += 1;						// 20行
+	if (!(mode & 0x01)) {
+		crt += 1;						// 25行
 	}
 	if (mode & 0x02) {
 		gdc.mode1 |= 0x04;				// 40桁
@@ -135,6 +133,14 @@ const CRTDATA	*crt;
 	bios0x18_10(0);
 }
 
+void bios0x18_0c(void) {
+
+	if (!(gdcs.textdisp & GDCSCRN_ENABLE)) {
+		gdcs.textdisp |= GDCSCRN_ENABLE;
+		screenupdate |= 2;
+ 	}
+}
+
 static void bios0x18_0f(UINT seg, UINT off, REG8 num, REG8 cnt) {
 
 	BYTE	*p;
@@ -760,17 +766,6 @@ void bios0x18(void) {
 							MEML_READ16(CPU_SS, CPU_SP)));
 #endif
 
-	sti_waiting ^= 1;
-	if (sti_waiting) {					// 割込み許可の遊び
-		CPU_STI;
-		if (PICEXISTINTR) {
-			CPU_IP--;
-			nevent_forceexit();
-			return;
-		}
-	}
-	sti_waiting = 0;
-
 	switch(CPU_AH) {
 		case 0x00:						// キー・データの読みだし
 			if (mem[MEMB_KB_COUNT]) {
@@ -825,10 +820,7 @@ void bios0x18(void) {
  			break;
 
    		case 0x0c:						// テキスト画面の表示開始
-			if (!(gdcs.textdisp & GDCSCRN_ENABLE)) {
-				gdcs.textdisp |= GDCSCRN_ENABLE;
-				screenupdate |= 2;
- 			}
+			bios0x18_0c();
  			break;
 
    		case 0x0d:						// テキスト画面の表示終了
@@ -940,12 +932,10 @@ void bios0x18(void) {
 				if (tmp.r8 == 0x05) {
 					CPU_AL = 0;
 					CPU_BH = 0;
-					TRACEOUT(("success"));
 				}
 				else {
 					CPU_AL = 1;
 					CPU_BH = 1;
-					TRACEOUT(("failure"));
 				}
 			}
 			break;