BSP: prompt only print once

2 files changed, 6 insertions, 2 deletions

diff --git a/fpgaedit.l b/fpgaedit.l
index 48e2e9c..3ecc53c 100644
--- a/fpgaedit.l
+++ b/fpgaedit.l
@@ -16,6 +16,7 @@
 #include "y.tab.h"
 
 extern int debug;
+extern int in_line;
 %}
 
 DIGIT	[0-9]
@@ -161,7 +162,8 @@ close {
 }
 
 \n     {
-	if (debug > 4) printf ("CR\n"); 
+	if (debug > 4) printf ("CR\n");
+	in_line = 0;
 	return CR;
 }
 
diff --git a/fpgaedit.y b/fpgaedit.y
index 2372f35..b99309e 100644
--- a/fpgaedit.y
+++ b/fpgaedit.y
@@ -16,6 +16,7 @@ typedef struct variable {
 	int val;
 } variable;
 
+int in_line = 0;
 int linelen = 16;
 int write_len;
 variable *vlist;
@@ -272,6 +273,7 @@ void hex_output (int offset, int len, int count) {
 }
 
 int yylex (void) {
-	printf ("fpgaedit> ");
+	if (!in_line) printf ("fpgaedit> ");
+	in_line++;
 	return zzlex ();
 }