--- np2/i386c/memory.c	2003/12/08 00:55:31	1.1
+++ np2/i386c/memory.c	2003/12/25 19:21:17	1.4
@@ -11,6 +11,9 @@
 #include	"font.h"
 
 
+	BYTE	mem[0x200000];
+
+
 #define	USE_HIMEM
 
 // ---- write byte
@@ -830,6 +833,14 @@ void MEMCALL __i286_memorywrite_w(UINT32
 
 	if (address < (I286_MEMWRITEMAX - 1)) {
 		STOREINTELWORD(mem + address, value);
+#if defined(TRACE)
+		if (address == 0x00404) {
+			TRACEOUT(("CPU_SP = %.4x [%.4x:%.4x]", value, CPU_CS, CPU_IP));
+		}
+		if (address == 0x00406) {
+			TRACEOUT(("CPU_SS = %.4x [%.4x:%.4x]", value, CPU_CS, CPU_IP));
+		}
+#endif
 	}
 #if defined(USE_HIMEM)
 	else if (address >= (0x10fff0 - 1)) {
@@ -867,7 +878,7 @@ REG8 MEMCALL i286_membyte_read(UINT seg,
 
 	UINT32	address;
 
-	address = (seg << 4) + off;
+	address = (seg << 4) + LOW16(off);
 	if (address < I286_MEMREADMAX) {
 		return(mem[address]);
 	}
@@ -880,7 +891,7 @@ REG16 MEMCALL i286_memword_read(UINT seg
 
 	UINT32	address;
 
-	address = (seg << 4) + off;
+	address = (seg << 4) + LOW16(off);
 	if (address < (I286_MEMREADMAX - 1)) {
 		return(LOADINTELWORD(mem + address));
 	}
@@ -893,7 +904,7 @@ void MEMCALL i286_membyte_write(UINT seg
 
 	UINT32	address;
 
-	address = (seg << 4) + off;
+	address = (seg << 4) + LOW16(off);
 	if (address < I286_MEMWRITEMAX) {
 		mem[address] = (BYTE)value;
 	}
@@ -906,7 +917,7 @@ void MEMCALL i286_memword_write(UINT seg
 
 	UINT32	address;
 
-	address = (seg << 4) + off;
+	address = (seg << 4) + LOW16(off);
 	if (address < (I286_MEMWRITEMAX - 1)) {
 		STOREINTELWORD(mem + address, value);
 	}
@@ -924,6 +935,7 @@ void MEMCALL i286_memstr_read(UINT seg, 
 
 	out = (BYTE *)dat;
 	adrs = seg << 4;
+	off = LOW16(off);
 	if ((I286_MEMREADMAX >= 0x10000) &&
 		(adrs < (I286_MEMREADMAX - 0x10000))) {
 		if (leng) {
@@ -962,6 +974,7 @@ void MEMCALL i286_memstr_write(UINT seg,
 
 	out = (BYTE *)dat;
 	adrs = seg << 4;
+	off = LOW16(off);
 	if ((I286_MEMWRITEMAX >= 0x10000) &&
 		(adrs < (I286_MEMWRITEMAX - 0x10000))) {
 		if (leng) {