Fix input

2016-12-11 18:48:52 +09:00
parent a0e414a46c
commit e7375481f3
1 changed files with 8 additions and 0 deletions
--- a/SMILEBASIC/petitcomputer.d
+++ b/SMILEBASIC/petitcomputer.d
@@ -1174,6 +1174,10 @@ class PetitComputer
        }
        void left()
        {
+            if (pos == 0)
+            {
+                return;
+            }
            pos--;
            if (console.CSRX == 0)
            {
@@ -1185,6 +1189,10 @@ class PetitComputer
        }
        void right()
        {
+            if (pos >= buffer.length)
+            {
+                return;
+            }
            pos++;
            console.CSRX++;
            if (console.CSRX == console.consoleWidthC)