From c892af763c8794ab0b3b8bccc2b5d409566b3c26 Mon Sep 17 00:00:00 2001
From: Jesse Luehrs <doy@tozt.net>
Date: Thu, 9 Oct 2014 13:19:33 -0400
Subject: start making the snake use a ring buffer

---
 main.s | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/main.s b/main.s
index cce0ae4..55948b4 100644
--- a/main.s
+++ b/main.s
@@ -275,6 +275,17 @@ apply_direction:
   TXA
   CLC
   ADC (head), y        ; head.x offset by 1 is head.y
+  INC head
+  INC head
+  STA (head), y
+  DEC head
+  DEC head
+  TYA
+  EOR #$01
+  TAY
+  LDA (head), y
+  INC head
+  INC head
   STA (head), y
 
 check_collisions
-- 
cgit v1.2.3-54-g00ecf