diff --git a/bignumber/include/bignumber.h b/bignumber/include/bignumber.h
index 6ebc99a597e247f7cf09736f22426a1cc4513022..0fd059cd038638f9eb1bf2845134d35296aca3bf 100644
--- a/bignumber/include/bignumber.h
+++ b/bignumber/include/bignumber.h
@@ -70,7 +70,7 @@ typedef struct sIBigNumber {
     int (*AssignUint32)(HOBJECT object, unsigned int value);
     int (*AssignUint64)(HOBJECT object, unsigned long long value);
 
-    int (*AssignStr)(HOBJECT object, const char* str, const char** nstr);
+    int (*AssignStr)(HOBJECT object, const char* str, const char** nstr, int autowidth);
 
     int (*Clone)(HOBJECT object, HOBJECT src);
     int (*CloneSubBits)(HOBJECT object, HOBJECT src, int from, int width, int signexpand);
@@ -166,7 +166,7 @@ typedef struct sIBigNumber {
     static int _obj##_bn_AssignInt64(HOBJECT object, long long value); \
     static int _obj##_bn_AssignUint32(HOBJECT object, unsigned int value); \
     static int _obj##_bn_AssignUint64(HOBJECT object, unsigned long long value); \
-    static int _obj##_bn_AssignStr(HOBJECT object, const char* str, const char** nstr); \
+    static int _obj##_bn_AssignStr(HOBJECT object, const char* str, const char** nstr, int autowidth); \
     static int _obj##_bn_Clone(HOBJECT object, HOBJECT src); \
     static int _obj##_bn_CloneSubBits(HOBJECT object, HOBJECT src, int from, int width, int signexpand); \
     static int _obj##_bn_Assign(HOBJECT object, HOBJECT src); \
diff --git a/bignumber/src/bignumber.c b/bignumber/src/bignumber.c
index 29582e2f99f06e1b69f3aa550615cc382567328c..c0664e7ebc135d2a1003def24d3abeaf891b3ba4 100644
--- a/bignumber/src/bignumber.c
+++ b/bignumber/src/bignumber.c
@@ -379,14 +379,23 @@ enum TOKEN_STATE {
 	TOKEN_HEX
 };
 
-static int bigint_bn_AssignStr(HOBJECT object, const char* str, const char **nstr)
+#define MAXNUMWIDTH (1 << 30)
+
+static int bigint_bn_AssignStr(HOBJECT object, const char* str, const char **nstr, int autowidth)
 { 
+	int width, objwidth, sign;
 	enum TOKEN_STATE state;
 	const char* strt = str;
 	int numvalid = 0;
 	sBigInteger* pobj;
 	pobj = (sBigInteger*)objectThis(object);
+	width = -1;
+	objwidth = pobj->width;
+	if (autowidth == 0 && objwidth <= 0)
+		return -1;
+	bigint_bn_SetWidth(object, 64, 0);
 	state = TOKEN_INITIAL;
+	sign = 0;
 	while (*strt != 0) {
 		int ch = *strt;
 		switch (state) {
@@ -402,11 +411,43 @@ static int bigint_bn_AssignStr(HOBJECT object, const char* str, const char **nst
 		} break;
 		case TOKEN_NUM: {
 			if (ch >= '0' && ch <= '9') {
+				if (pobj->buf[pobj->buflen - 1] > (1 << 27)) {
+					int w;
+					w = pobj->width * 2;
+					if (w > MAXNUMWIDTH) {
+						w = MAXNUMWIDTH;
+					}
+					if (0 != bigint_bn_SetWidth(object, w, 0)) {
+						return -1;
+					}
+				}
 				bigint_bn_MulInt32(object, object, 10);
 				bigint_bn_AddInt32(object, object, ch - '0');
 			}
 			else if (ch == '\'') {
+				int i;
+				for (i = pobj->buflen - 1; i > 0; i--) {
+					if (pobj->buf[i] != 0) {
+						/* too large width of a number */
+						width = MAXNUMWIDTH;
+						break;
+					}
+				}
+				if (width == -1) {
+					if (pobj->buf[0] > MAXNUMWIDTH) {
+						width = MAXNUMWIDTH;
+					}
+					else {
+						width = pobj->buf[0];
+					}
+				}
 				state = TOKEN_BASE;
+				if (width == 0)
+					width = -1;
+				else
+				if (0 != bigint_bn_SetWidth(object, width, 0)) {
+					return -1;
+				}
 				numvalid = 0;
 			}
 			else {
@@ -414,7 +455,10 @@ static int bigint_bn_AssignStr(HOBJECT object, const char* str, const char **nst
 			}
 		}break;
 		case TOKEN_BASE: {
-			if (ch == 'b' || ch == 'B') {
+			if (ch == 's' || ch == 'S') {
+				sign = 1;
+			}
+			else if (ch == 'b' || ch == 'B') {
 				bigint_bn_AssignInt32(object, 0);
 				state = TOKEN_BIN;
 			}
@@ -439,8 +483,19 @@ static int bigint_bn_AssignStr(HOBJECT object, const char* str, const char **nst
 		}break;
 		case TOKEN_BIN: {
 			if (ch == '0' || ch == '1') {
-				bigint_bn_MulInt32(object, object, 2);
-				bigint_bn_AddInt32(object, object, ch - '0');
+				if (autowidth && (width == -1)) {
+					if (pobj->buf[pobj->buflen - 1] > (1 << 27)) {
+						int w;
+						w = pobj->width * 2;
+						if (w > MAXNUMWIDTH) {
+							w = MAXNUMWIDTH;
+						}
+						if (0 != bigint_bn_SetWidth(object, w, 0))
+							return -1;
+					}
+				}
+				bigint_bn_MulUint32(object, object, 2);
+				bigint_bn_AddUint32(object, object, ch - '0');
 				numvalid = 1;
 			}
 			else if (ch == '_') {
@@ -451,8 +506,19 @@ static int bigint_bn_AssignStr(HOBJECT object, const char* str, const char **nst
 		}break;
 		case TOKEN_OCT: {
 			if (ch >= '0' && ch <= '7') {
-				bigint_bn_MulInt32(object, object, 8);
-				bigint_bn_AddInt32(object, object, ch - '0');
+				if (autowidth && (width == -1)) {
+					if (pobj->buf[pobj->buflen - 1] > (1 << 27)) {
+						int w;
+						w = pobj->width * 2;
+						if (w > MAXNUMWIDTH) {
+							w = MAXNUMWIDTH;
+						}
+						if (0 != bigint_bn_SetWidth(object, w, 0))
+							return -1;
+					}
+				}
+				bigint_bn_MulUint32(object, object, 8);
+				bigint_bn_AddUint32(object, object, ch - '0');
 				numvalid = 1;
 			}
 			else if (ch == '_') {
@@ -463,8 +529,19 @@ static int bigint_bn_AssignStr(HOBJECT object, const char* str, const char **nst
 		}break;
 		case TOKEN_DEC: {
 			if (ch >= '0' && ch <= '9') {
-				bigint_bn_MulInt32(object, object, 10);
-				bigint_bn_AddInt32(object, object, ch - '0');
+				if (autowidth && (width == -1)) {
+					if (pobj->buf[pobj->buflen - 1] > (1 << 27)) {
+						int w;
+						w = pobj->width * 2;
+						if (w > MAXNUMWIDTH) {
+							w = MAXNUMWIDTH;
+						}
+						if (0 != bigint_bn_SetWidth(object, w, 0))
+							return -1;
+					}
+				}
+				bigint_bn_MulUint32(object, object, 10);
+				bigint_bn_AddUint32(object, object, ch - '0');
 				numvalid = 1;
 			}
 			else {
@@ -474,13 +551,24 @@ static int bigint_bn_AssignStr(HOBJECT object, const char* str, const char **nst
 		case TOKEN_HEX: {
 			if ((ch >= '0' && ch <= '9') || (ch >= 'a' && ch <= 'f') || (ch >= 'A' && ch <= 'F')) {
 				numvalid = 1;
-				bigint_bn_MulInt32(object, object, 16);
+				if (autowidth && (width == -1)) {
+					if (pobj->buf[pobj->buflen - 1] > (1 << 27)) {
+						int w;
+						w = pobj->width * 2;
+						if (w > MAXNUMWIDTH) {
+							w = MAXNUMWIDTH;
+						}
+						if (0 != bigint_bn_SetWidth(object, w, 0))
+							return -1;
+					}
+				}
+				bigint_bn_MulUint32(object, object, 16);
 				if (ch > '0' && ch <= '9')
-					bigint_bn_AddInt32(object, object, ch - '0');
+					bigint_bn_AddUint32(object, object, ch - '0');
 				else if (ch >= 'a' && ch <= 'f')
-					bigint_bn_AddInt32(object, object, ch - 'a' + 10);
+					bigint_bn_AddUint32(object, object, ch - 'a' + 10);
 				else if (ch >= 'A' && ch <= 'F')
-					bigint_bn_AddInt32(object, object, ch - 'A' + 10);
+					bigint_bn_AddUint32(object, object, ch - 'A' + 10);
 			}
 			else if (ch == '_') {
 			}
@@ -497,7 +585,25 @@ static int bigint_bn_AssignStr(HOBJECT object, const char* str, const char **nst
 lastnum:
 	if (nstr != NULL)
 		*nstr = strt;
-	bigint_bn_SetWidth(object, pobj->width, 1);
+	if (autowidth && (width == -1)) {
+		int i;
+		width = 0;
+		for (i = pobj->buflen - 1; i >= 0; i--) {
+			if (pobj->buf[i] != 0) {
+				width = actualwidth(pobj->buf[i]);
+				width += i * CELL_WIDTH;
+				break;
+			}
+		}
+		if (width == 0)
+			width = 1;
+		if (sign == 0)
+			width++;
+	}
+	else {
+		width = pobj->width;
+	}
+	bigint_bn_SetWidth(object, width, sign);
 	return 0;
 }
 
diff --git a/examples/testbignumber/testbignumber.c b/examples/testbignumber/testbignumber.c
index 5510fc39e05561da4148031cfc9568c05984bcf7..517fcade5615d3b689ecff9735a8df8c7d55eab2 100644
--- a/examples/testbignumber/testbignumber.c
+++ b/examples/testbignumber/testbignumber.c
@@ -44,7 +44,7 @@ int main(int argc, char* argv[])
 	const char* nstr = testnumber;
 	const char* lstr = testnumber;
 	/*
-	while (0 == objectCall2(bignumber, AssignStr, lstr, &nstr)) {
+	while (0 == objectCall3(bignumber, AssignStr, lstr, &nstr, 1)) {
 		objectCall3(bignumber, GetStr, 16, buf, 128);
 		printf("%s=%s, \nnext=%s\n", lstr, buf, nstr);
 		lstr = nstr;
diff --git a/hdl4secell/src/hdl4se_bind2.c b/hdl4secell/src/hdl4se_bind2.c
index 1d191679a612e326273b323521315f23b4b9954e..e9c7db9227bb1c70e1612d736c2b0fc0d1f8ca20 100644
--- a/hdl4secell/src/hdl4se_bind2.c
+++ b/hdl4secell/src/hdl4se_bind2.c
@@ -137,7 +137,7 @@ static int hdl4se_bind2Create(const PARAMITEM* pParams, int paramcount, HOBJECT*
 				int j;
 				lstr = (const char*)pParams[i].pvalue;
 				for (j = 0; j < BINDCOUNT; j++) {
-					if (0 == objectCall2(temp, AssignStr, lstr, &nstr)) {
+					if (0 == objectCall3(temp, AssignStr, lstr, &nstr, 0)) {
 						objectCall1(temp, GetInt32, &pobj->inputwidth[j]);
 						lstr = nstr;
 					}
diff --git a/hdl4secell/src/hdl4se_bind3.c b/hdl4secell/src/hdl4se_bind3.c
index 272964e869c06f7f21b4a9cb9d6a7cf95c613131..1a7c0927d18b4c36c609bd7764c21d32d56f59a3 100644
--- a/hdl4secell/src/hdl4se_bind3.c
+++ b/hdl4secell/src/hdl4se_bind3.c
@@ -137,7 +137,7 @@ static int hdl4se_bind3Create(const PARAMITEM* pParams, int paramcount, HOBJECT*
 				int j;
 				lstr = (const char*)pParams[i].pvalue;
 				for (j = 0; j < BINDCOUNT; j++) {
-					if (0 == objectCall2(temp, AssignStr, lstr, &nstr)) {
+					if (0 == objectCall3(temp, AssignStr, lstr, &nstr, 0)) {
 						objectCall1(temp, GetInt32, &pobj->inputwidth[j]);
 						lstr = nstr;
 					}
diff --git a/hdl4secell/src/hdl4se_bind4.c b/hdl4secell/src/hdl4se_bind4.c
index d338767485b9ab163962e8ed29917833385bae1a..8cbf96000c57f258162f3fef4e75e4b4ddef383a 100644
--- a/hdl4secell/src/hdl4se_bind4.c
+++ b/hdl4secell/src/hdl4se_bind4.c
@@ -137,7 +137,7 @@ static int hdl4se_bind4Create(const PARAMITEM* pParams, int paramcount, HOBJECT*
 				int j;
 				lstr = (const char*)pParams[i].pvalue;
 				for (j = 0; j < BINDCOUNT; j++) {
-					if (0 == objectCall2(temp, AssignStr, lstr, &nstr)) {
+					if (0 == objectCall3(temp, AssignStr, lstr, &nstr, 0)) {
 						objectCall1(temp, GetInt32, &pobj->inputwidth[j]);
 						lstr = nstr;
 					}
diff --git a/hdl4secell/src/hdl4se_binop.c b/hdl4secell/src/hdl4se_binop.c
index a69982059a747ddc4c89c2f2ad78fa97f3649397..91e361d64ad16d6af398bf827c9f60332ef7523e 100644
--- a/hdl4secell/src/hdl4se_binop.c
+++ b/hdl4secell/src/hdl4se_binop.c
@@ -151,7 +151,7 @@ static int hdl4se_binopCreate(const PARAMITEM* pParams, int paramcount, HOBJECT*
 				int j;
 				lstr = (const char*)pParams[i].pvalue;
 				for (j = 0; j < INCOUNT; j++) {
-					if (0 == objectCall2(temp, AssignStr, lstr, &nstr)) {
+					if (0 == objectCall3(temp, AssignStr, lstr, &nstr, 0)) {
 						objectCall1(temp, GetInt32, &pobj->in_width[j]);
 					}
 					else {
@@ -159,14 +159,14 @@ static int hdl4se_binopCreate(const PARAMITEM* pParams, int paramcount, HOBJECT*
 					}
 					lstr = nstr;
 				}
-				if (0 == objectCall2(temp, AssignStr, lstr, &nstr)) {
+				if (0 == objectCall3(temp, AssignStr, lstr, &nstr, 0)) {
 					objectCall1(temp, GetInt32, &pobj->out_width);
 				}
 				else {
 					return EIID_INVALIDPARAM;
 				}
 				lstr = nstr;
-				if (0 == objectCall2(temp, AssignStr, lstr, &nstr)) {
+				if (0 == objectCall3(temp, AssignStr, lstr, &nstr, 0)) {
 					objectCall1(temp, GetInt32, &pobj->op);
 				}
 				else {
diff --git a/hdl4secell/src/hdl4se_const.c b/hdl4secell/src/hdl4se_const.c
index e49c167c505dcdd09ad2923fca32d1a078c17010..936ba6fd389343632d67e685e8c414e868f3cddf 100644
--- a/hdl4secell/src/hdl4se_const.c
+++ b/hdl4secell/src/hdl4se_const.c
@@ -111,13 +111,13 @@ static int hdl4se_constCreate(const PARAMITEM* pParams, int paramcount, HOBJECT*
 			IBigNumber** temp = bigintegerCreate(32);
 			if (temp != NULL) {
 				const char* nstr;
-				if (0 == objectCall2(temp, AssignStr, (const char*)pParams[i].pvalue, &nstr)) {
+				if (0 == objectCall3(temp, AssignStr, (const char*)pParams[i].pvalue, &nstr, 0)) {
 					objectCall1(temp, GetInt32, &pobj->width);
 				}
 				if (pobj->width <= 0 || pobj->width > (1 << 24))
 					return -1;
 				pobj->out_data = bigintegerCreate(pobj->width);
-				objectCall2(pobj->out_data, AssignStr, nstr, NULL);
+				objectCall3(pobj->out_data, AssignStr, nstr, NULL, 0);
 				objectRelease(temp);
 			}
 		}
diff --git a/hdl4secell/src/hdl4se_mux16.c b/hdl4secell/src/hdl4se_mux16.c
index a9c6f71b7a32d60bfcfd5c8487b5e9cda8f7add2..8c56f93867206a313c6f9a7ecdecaaf139f8e863 100644
--- a/hdl4secell/src/hdl4se_mux16.c
+++ b/hdl4secell/src/hdl4se_mux16.c
@@ -134,7 +134,7 @@ static int hdl4se_mux16Create(const PARAMITEM* pParams, int paramcount, HOBJECT*
 			IBigNumber** temp = bigintegerCreate(32);
 			if (temp != NULL) {
 				const char* nstr;
-				if (0 == objectCall2(temp, AssignStr, (const char*)pParams[i].pvalue, &nstr)) {
+				if (0 == objectCall3(temp, AssignStr, (const char*)pParams[i].pvalue, &nstr, 0)) {
 					objectCall1(temp, GetInt32, &pobj->width);
 				}
 				objectRelease(temp);
diff --git a/hdl4secell/src/hdl4se_mux2.c b/hdl4secell/src/hdl4se_mux2.c
index 9bdf0e7fba960a76bb1e330c035bfb3c5b4a26ee..e4979dab1b12e4cf994269e4d3eb9ac166eed679 100644
--- a/hdl4secell/src/hdl4se_mux2.c
+++ b/hdl4secell/src/hdl4se_mux2.c
@@ -136,7 +136,7 @@ static int hdl4se_mux2Create(const PARAMITEM* pParams, int paramcount, HOBJECT*
 			IBigNumber** temp = bigintegerCreate(32);
 			if (temp != NULL) {
 				const char* nstr;
-				if (0 == objectCall2(temp, AssignStr, (const char*)pParams[i].pvalue, &nstr)) {
+				if (0 == objectCall3(temp, AssignStr, (const char*)pParams[i].pvalue, &nstr, 0)) {
 					objectCall1(temp, GetInt32, &pobj->width);
 				}
 				objectRelease(temp);
diff --git a/hdl4secell/src/hdl4se_mux4.c b/hdl4secell/src/hdl4se_mux4.c
index 8d6f4a1bbbf757524e11c080dfa2dd72c15a262c..054a6434591272cda64781dff9483a6b8e458e5a 100644
--- a/hdl4secell/src/hdl4se_mux4.c
+++ b/hdl4secell/src/hdl4se_mux4.c
@@ -134,7 +134,7 @@ static int hdl4se_mux4Create(const PARAMITEM* pParams, int paramcount, HOBJECT*
 			IBigNumber** temp = bigintegerCreate(32);
 			if (temp != NULL) {
 				const char* nstr;
-				if (0 == objectCall2(temp, AssignStr, (const char*)pParams[i].pvalue, &nstr)) {
+				if (0 == objectCall3(temp, AssignStr, (const char*)pParams[i].pvalue, &nstr, 0)) {
 					objectCall1(temp, GetInt32, &pobj->width);
 				}
 				objectRelease(temp);
diff --git a/hdl4secell/src/hdl4se_mux8.c b/hdl4secell/src/hdl4se_mux8.c
index f5234f4210a85d11a0960a3ae827ffe47b3b3db4..c29b975581fdb8a97fd6d75cfa3006b0ab36683b 100644
--- a/hdl4secell/src/hdl4se_mux8.c
+++ b/hdl4secell/src/hdl4se_mux8.c
@@ -134,7 +134,7 @@ static int hdl4se_mux8Create(const PARAMITEM* pParams, int paramcount, HOBJECT*
 			IBigNumber** temp = bigintegerCreate(32);
 			if (temp != NULL) {
 				const char* nstr;
-				if (0 == objectCall2(temp, AssignStr, (const char*)pParams[i].pvalue, &nstr)) {
+				if (0 == objectCall3(temp, AssignStr, (const char*)pParams[i].pvalue, &nstr, 0)) {
 					objectCall1(temp, GetInt32, &pobj->width);
 				}
 				objectRelease(temp);
diff --git a/hdl4secell/src/hdl4se_reg.c b/hdl4secell/src/hdl4se_reg.c
index ef7e48d46ae40a06d732422a1b417cbf364f80fa..9912560094df2ab29c4e232afbd40a624e3baefc 100644
--- a/hdl4secell/src/hdl4se_reg.c
+++ b/hdl4secell/src/hdl4se_reg.c
@@ -120,7 +120,7 @@ static int hdl4se_regCreate(const PARAMITEM* pParams, int paramcount, HOBJECT* p
 			IBigNumber** temp = bigintegerCreate(32);
 			if (temp != NULL) {
 				const char* nstr;
-				if (0 == objectCall2(temp, AssignStr, (const char*)pParams[i].pvalue, &nstr)) {
+				if (0 == objectCall3(temp, AssignStr, (const char*)pParams[i].pvalue, &nstr, 0)) {
 					objectCall1(temp, GetInt32, &pobj->width);
 				}
 				objectRelease(temp);
diff --git a/hdl4secell/src/hdl4se_split2.c b/hdl4secell/src/hdl4se_split2.c
index df9356d2543ba463a66e1252022cf1d08228917e..3594b64066ef179961b954cae0082c2d2180126c 100644
--- a/hdl4secell/src/hdl4se_split2.c
+++ b/hdl4secell/src/hdl4se_split2.c
@@ -140,7 +140,7 @@ static int hdl4se_split2Create(const PARAMITEM* pParams, int paramcount, HOBJECT
 				const char* lstr;
 				int j;
 				lstr = (const char*)pParams[i].pvalue;
-				if (0 == objectCall2(temp, AssignStr, lstr, &nstr)) {
+				if (0 == objectCall3(temp, AssignStr, lstr, &nstr, 0)) {
 					objectCall1(temp, GetInt32, &pobj->width);
 				}
 				else {
@@ -148,14 +148,14 @@ static int hdl4se_split2Create(const PARAMITEM* pParams, int paramcount, HOBJECT
 				}
 				lstr = nstr;
 				for (j = 0; j < SPLITCOUNT; j++) {
-					if (0 == objectCall2(temp, AssignStr, lstr, &nstr)) {
+					if (0 == objectCall3(temp, AssignStr, lstr, &nstr, 0)) {
 						objectCall1(temp, GetInt32, &pobj->out_info[j][0]);
 					}
 					else {
 						return -1;
 					}
 					lstr = nstr;
-					if (0 == objectCall2(temp, AssignStr, lstr, &nstr)) {
+					if (0 == objectCall3(temp, AssignStr, lstr, &nstr, 0)) {
 						objectCall1(temp, GetInt32, &pobj->out_info[j][1]);
 					}
 					else {
diff --git a/hdl4secell/src/hdl4se_split4.c b/hdl4secell/src/hdl4se_split4.c
index 79ca756be3dc2a7e6d470e3f472f25a172082a31..b6d582b77fce822b4f6362910d9e597184931e9d 100644
--- a/hdl4secell/src/hdl4se_split4.c
+++ b/hdl4secell/src/hdl4se_split4.c
@@ -143,7 +143,7 @@ static int hdl4se_split4Create(const PARAMITEM* pParams, int paramcount, HOBJECT
 				const char* lstr;
 				int j;
 				lstr = (const char*)pParams[i].pvalue;
-				if (0 == objectCall2(temp, AssignStr, lstr, &nstr)) {
+				if (0 == objectCall3(temp, AssignStr, lstr, &nstr, 0)) {
 					objectCall1(temp, GetInt32, &pobj->width);
 				}
 				else {
@@ -151,14 +151,14 @@ static int hdl4se_split4Create(const PARAMITEM* pParams, int paramcount, HOBJECT
 				}
 				lstr = nstr;
 				for (j = 0; j < SPLITCOUNT; j++) {
-					if (0 == objectCall2(temp, AssignStr, lstr, &nstr)) {
+					if (0 == objectCall3(temp, AssignStr, lstr, &nstr, 0)) {
 						objectCall1(temp, GetInt32, &pobj->out_info[j][0]);
 					}
 					else {
 						return -1;
 					}
 					lstr = nstr;
-					if (0 == objectCall2(temp, AssignStr, lstr, &nstr)) {
+					if (0 == objectCall3(temp, AssignStr, lstr, &nstr, 0)) {
 						objectCall1(temp, GetInt32, &pobj->out_info[j][1]);
 					}
 					else {
diff --git a/hdl4secell/src/hdl4se_unop.c b/hdl4secell/src/hdl4se_unop.c
index b7727b41616be6b76558a4c052e30f1699327a94..7954324d2860467edee8bc549d7602b6b3eb822c 100644
--- a/hdl4secell/src/hdl4se_unop.c
+++ b/hdl4secell/src/hdl4se_unop.c
@@ -137,21 +137,21 @@ static int hdl4se_unopCreate(const PARAMITEM* pParams, int paramcount, HOBJECT*
 				const char* nstr;
 				const char* lstr;
 				lstr = (const char*)pParams[i].pvalue;
-				if (0 == objectCall2(temp, AssignStr, lstr, &nstr)) {
+				if (0 == objectCall3(temp, AssignStr, lstr, &nstr, 0)) {
 					objectCall1(temp, GetInt32, &pobj->in_width);
 				}
 				else {
 					return EIID_INVALIDPARAM;
 				}
 				lstr = nstr;
-				if (0 == objectCall2(temp, AssignStr, lstr, &nstr)) {
+				if (0 == objectCall3(temp, AssignStr, lstr, &nstr, 0)) {
 					objectCall1(temp, GetInt32, &pobj->out_width);
 				}
 				else {
 					return EIID_INVALIDPARAM;
 				}
 				lstr = nstr;
-				if (0 == objectCall2(temp, AssignStr, lstr, &nstr)) {
+				if (0 == objectCall3(temp, AssignStr, lstr, &nstr, 0)) {
 					objectCall1(temp, GetInt32, &pobj->op);
 				}
 				else {
diff --git a/hdl4secell/src/hdl4se_wire.c b/hdl4secell/src/hdl4se_wire.c
index eea153e20d09b03c027fdafca3bfe53937df6ade..c4d38e03441448b12cdd5a2f82de033c4d63a210 100644
--- a/hdl4secell/src/hdl4se_wire.c
+++ b/hdl4secell/src/hdl4se_wire.c
@@ -125,7 +125,7 @@ static int hdl4se_wireCreate(const PARAMITEM* pParams, int paramcount, HOBJECT*
 			IBigNumber** temp = bigintegerCreate(32);
 			if (temp != NULL) {
 				const char* nstr;
-				if (0 == objectCall2(temp, AssignStr, (const char*)pParams[i].pvalue, &nstr)) {
+				if (0 == objectCall3(temp, AssignStr, (const char*)pParams[i].pvalue, &nstr, 0)) {
 					objectCall1(temp, GetInt32, &pobj->width);
 				}
 				objectRelease(temp);