diff --git a/src/sys/nact.cpp b/src/sys/nact.cpp
index 7922eed..7917f50 100644
--- a/src/sys/nact.cpp
+++ b/src/sys/nact.cpp
@@ -249,8 +249,7 @@ void NACT::execute()
 			break;
 		default:
 			if (is_message(cmd)) {
-				sco.ungetd();
-				message(0);
+				message(cmd);
 			} else {
 				sco.unknown_command(cmd);
 			}
@@ -290,21 +289,23 @@ void NACT::cmd_page_call()
 	output_console("\n%%%d:", next_page);
 }
 
-void NACT::message(uint8 terminator)
+void NACT::message(uint8_t first_byte)
 {
 	char buf[200];
-	if (terminator) {  // SysEng
-		sco.get_syseng_string(buf, sizeof(buf), encoding.get(), terminator);
+	if (first_byte == '\'' || first_byte == '"') {  // SysEng
+		sco.get_syseng_string(buf, sizeof(buf), encoding.get(), first_byte);
 	} else {
-		const uint8* begin = sco.ptr();
-		const uint8* p = begin;
-		while (is_message(*p))
-			p += encoding->mblen(*p);
-		int len = p - begin;
-		sco.skip(len);
-
-		strncpy(buf, reinterpret_cast<const char*>(begin), len);
-		buf[len] = '\0';
+		int i = 0;
+		uint8_t c = first_byte;
+		while (is_message(c)) {
+			int len = encoding->mblen(c);
+			buf[i++] = c;
+			for (int j = 1; j < len; ++j)
+				buf[i++] = sco.getd();
+			c = sco.getd();
+		}
+		sco.ungetd();
+		buf[i] = '\0';
 	}
 
 	ags->draw_text(buf, text_wait_enb);
diff --git a/src/sys/nact.h b/src/sys/nact.h
index 75d4c4f..6176203 100644
--- a/src/sys/nact.h
+++ b/src/sys/nact.h
@@ -117,7 +117,7 @@ protected:
 	int tvar_index = 0;
 	int tvar_maxlen;
 
-	void message(uint8 terminator);
+	void message(uint8_t first_byte);
 
 	// Commands
 	virtual void cmd_calc() = 0;
diff --git a/src/sys/scenario.h b/src/sys/scenario.h
index 9f52891..6d85a3b 100644
--- a/src/sys/scenario.h
+++ b/src/sys/scenario.h
@@ -16,9 +16,6 @@ public:
 		page_ = page;
 		cmd_addr_ = addr_ = addr;
 	}
-	size_t size() const { return data_.size(); }
-	uint8_t& operator[](int i) { return data_[i]; }
-	const uint8_t* ptr() const { return &data_[addr_]; }
 	int default_addr() { return data_[0] | data_[1] << 8; }
 
 	int page() const { return page_; }