prevent storing duplicate entries in command history

Baron-von-Riedesel · Feb 2, 2020 · ec19794 · ec19794
1 parent 8d29b89
commit ec19794
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/DEBUG.ASM b/src/DEBUG.ASM
@@ -8465,6 +8465,10 @@ first:
 initialized:
 	add di,sizeof llnode
 	push cx
+	repe cmpsb                  ;check if last entry is identical
+	pop cx
+	je fail                     ;don't store duplicates
+	push cx
 	mov cx,offset line_history + LINE_HISTORY_LEN
 	sub cx,di
 	mov al,CR