From 5cdc599b1d2f96beba6b244ac9a49dc95aa6ea32 Mon Sep 17 00:00:00 2001
From: Karol Stasiak <karol.m.stasiak@gmail.com>
Date: Sun, 29 Mar 2020 01:45:31 +0100
Subject: [PATCH] Avoid overflow errors when estimating memset sizes

---
 .../millfork/compiler/AbstractStatementPreprocessor.scala     | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/main/scala/millfork/compiler/AbstractStatementPreprocessor.scala b/src/main/scala/millfork/compiler/AbstractStatementPreprocessor.scala
index 34170361..e2a638e8 100644
--- a/src/main/scala/millfork/compiler/AbstractStatementPreprocessor.scala
+++ b/src/main/scala/millfork/compiler/AbstractStatementPreprocessor.scala
@@ -227,9 +227,9 @@ abstract class AbstractStatementPreprocessor(protected val ctx: CompilationConte
             ) {
               val sizeExpr = f.direction match {
                 case ForDirection.DownTo =>
-                  f.start #-# f.end #+# 1
+                  f.start #-# f.end #+# LiteralExpression(1, 2)
                 case ForDirection.To | ForDirection.ParallelTo =>
-                  f.end #-#  f.start #+# 1
+                  f.end #-# f.start #+# LiteralExpression(1, 2)
                 case ForDirection.Until | ForDirection.ParallelUntil =>
                   f.end #-# f.start
               }