From 8765cfce25cecefca2678cac6ef8857a311d4fb5 Mon Sep 17 00:00:00 2001
From: Bobbi Webber-Manners <bobbi.manners@gmail.com>
Date: Wed, 6 Jun 2018 15:47:12 -0400
Subject: [PATCH] Forgot to add this for v0.77

---
 eightballzp_a2e.S | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 eightballzp_a2e.S

diff --git a/eightballzp_a2e.S b/eightballzp_a2e.S
new file mode 100644
index 0000000..9d2a00f
--- /dev/null
+++ b/eightballzp_a2e.S
@@ -0,0 +1,11 @@
+;
+; Apple II zero page is used for pointer for indirect addressing
+
+; $80-$9a are used by cc65 ZP segment so avoid this range
+
+; Zero-page usage is documented in:
+; ProDOS 8 Technical Reference Manual Section A.4
+; The upper half of ZP is generally used by BASIC only, so we can use it.
+
+.exportzp _addrptr   := $a0
+