1 files changed, 3 insertions, 1 deletions
diff --git a/mbbsd/io.c b/mbbsd/io.c
index d3bad9c4..0f36177b 100644
--- a/mbbsd/io.c
+++ b/mbbsd/io.c
@@ -801,7 +801,7 @@ oldgetdata(int line, int col, const char *prompt, char *buf, int len, int echo)
 		clen--;
 		continue;
 	    }
-	    if (!isprint(ch)) {
+	    if (ch>=0x100 || !isprint(ch)) {
 		continue;
 	    }
 	    if (clen >= len) {
@@ -970,6 +970,8 @@ oldgetdata(int line, int col, const char *prompt, char *buf, int len, int echo)
 	    case KEY_END:
 		currchar = clen;
 		break;
+	    case KEY_UNKNOWN:
+		break;
 	    default:
 		if (isprint2(ch) && clen < len && x + clen < scr_cols) {
 #ifdef DBCSAWARE