From 34e150ee6146b83c09496d42f15309ed87d02657 Mon Sep 17 00:00:00 2001
From: Patrick Surry <patrick.surry@gmail.com>
Date: Thu, 23 Jul 2026 13:26:47 -0400
Subject: [PATCH] Fix off-by-one error in is_printable (fixes #216)

---
 taliforth.asm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/taliforth.asm b/taliforth.asm
index e91fd3c..c4e2f15 100644
--- a/taliforth.asm
+++ b/taliforth.asm
@@ -745,7 +745,7 @@ is_printable:
         ; discussion of various ways to do this
                 cmp #AscSP              ; $20
                 bcc _done
-                cmp #$7F + 1             ; '~'
+                cmp #$7E + 1             ; '~'
                 bcs _failed
 
                 sec