--- np2/i286c/i286c_mn.c	2003/12/12 01:04:40	1.24
+++ np2/i286c/i286c_mn.c	2004/01/29 09:41:50	1.31
@@ -27,7 +27,6 @@
 
 I286FN _reserved(void) {
 
-	I286_WORKCLOCK(23);							// ToDo
 	INT_NUM(6, I286_IP - 1);
 }
 
@@ -148,8 +147,17 @@ I286FN _push_es(void) {							// 06: pus
 
 I286FN _pop_es(void) {							// 07: pop es
 
-	REGPOP(I286_ES, 5)
-	ES_BASE = (UINT32)I286_ES << 4;
+	UINT	tmp;
+
+	REGPOP(tmp, 5)
+	I286_ES = tmp;
+	if (!(I286_MSW & MSW_PE)) {
+		ES_BASE = tmp << 4;
+		NEXT_OPCODE
+	}
+	else {
+		ES_BASE = i286c_selector(tmp);
+	}
 }
 
 I286FN _or_ea_r8(void) {						// 08: or EA, REG8
@@ -382,10 +390,22 @@ I286FN _push_ss(void) {							// 16: pus
 
 I286FN _pop_ss(void) {							// 17: pop ss
 
-	REGPOP(I286_SS, 5)
-	SS_BASE = I286_SS << 4;
-	SS_FIX = SS_BASE;
-	NEXT_OPCODE
+	UINT	tmp;
+	UINT32	base;
+
+	REGPOP(tmp, 5)
+	I286_SS = tmp;
+	if (!(I286_MSW & MSW_PE)) {
+		SS_BASE = tmp << 4;
+		SS_FIX = tmp << 4;
+		NEXT_OPCODE
+	}
+	else {
+		base = i286c_selector(tmp);
+		SS_BASE = base;
+		SS_FIX = base;
+		NEXT_OPCODE
+	}
 }
 
 I286FN _sbb_ea_r8(void) {						// 18: sbb EA, REG8
@@ -505,9 +525,22 @@ I286FN _push_ds(void) {							// 1e: pus
 
 I286FN _pop_ds(void) {							// 1f: pop ds
 
-	REGPOP(I286_DS, 5)
-	DS_BASE = I286_DS << 4;
-	DS_FIX = DS_BASE;
+	UINT	tmp;
+	UINT32	base;
+
+	REGPOP(tmp, 5)
+	I286_DS = tmp;
+	if (!(I286_MSW & MSW_PE)) {
+		DS_BASE = tmp << 4;
+		DS_FIX = tmp << 4;
+		NEXT_OPCODE
+	}
+	else {
+		base = i286c_selector(tmp);
+		DS_BASE = base;
+		DS_FIX = base;
+		NEXT_OPCODE
+	}
 }
 
 I286FN _and_ea_r8(void) {						// 20: and EA, REG8
@@ -1659,6 +1692,7 @@ I286FN _mov_seg_ea(void) {					// 8E:	mo
 
 	UINT	op;
 	UINT	tmp;
+	UINT32	base;
 	UINT16	ipbak;
 
 	ipbak = I286_IP;
@@ -1671,23 +1705,30 @@ I286FN _mov_seg_ea(void) {					// 8E:	mo
 		I286_WORKCLOCK(5);
 		tmp = i286_memoryread_w(CALC_EA(op));
 	}
+	if (!(I286_MSW & MSW_PE)) {
+		base = tmp << 4;
+	}
+	else {
+		base = i286c_selector(tmp);
+	}
+
 	switch(op & 0x18) {
 		case 0x00:			// es
 			I286_ES = (UINT16)tmp;
-			ES_BASE = tmp << 4;
+			ES_BASE = base;
 			break;
 
 		case 0x10:			// ss
 			I286_SS = (UINT16)tmp;
-			SS_BASE = tmp << 4;
-			SS_FIX = SS_BASE;
+			SS_BASE = base;
+			SS_FIX = base;
 			NEXT_OPCODE
 			break;
 
 		case 0x18:			// ds
 			I286_DS = (UINT16)tmp;
-			DS_BASE = tmp << 4;
-			DS_FIX = DS_BASE;
+			DS_BASE = base;
+			DS_FIX = base;
 			break;
 
 		default:			// cs
@@ -2245,7 +2286,7 @@ I286FN _ret_far(void) {						// CB:	ret 
 
 I286FN _int_03(void) {						// CC:	int		3
 
-	I286_WORKCLOCK(23);
+	I286_WORKCLOCK(3);
 	INT_NUM(3, I286_IP);
 }
 
@@ -2253,8 +2294,11 @@ I286FN _int_data8(void) {					// CD:	int
 
 	UINT	vect;
 
-	I286_WORKCLOCK(23);
+	I286_WORKCLOCK(3);
 	GET_PCBYTE(vect)
+	if (vect == 0x1b) {
+		TRACEOUT(("int 1b - AX:%.4x BX:%.4x CX:%.4x DX:%.4x", CPU_AX, CPU_BX, CPU_CX, CPU_DX));
+	}
 	INT_NUM(vect, I286_IP);
 }
 
@@ -2262,7 +2306,6 @@ I286FN _into(void) {						// CE:	into
 
 	I286_WORKCLOCK(4);
 	if (I286_OV) {
-		I286_WORKCLOCK(24 - 4);
 		INT_NUM(4, I286_IP);
 	}
 }
@@ -2271,7 +2314,6 @@ I286FN _iret(void) {						// CF:	iret
 
 	UINT	flag;
 
-	extirq_pop();
 	REGPOP0(I286_IP)
 	REGPOP0(I286_CS)
 	REGPOP0(flag)