From eba8aa7637eb6c8cc1d9c7e69b9b535495666d9d Mon Sep 17 00:00:00 2001
From: Lawrence Kesteloot <lk@teamten.com>
Date: Tue, 31 Jul 2018 13:42:21 -0700
Subject: [PATCH] Test code that breaks emulator.

---
 main.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/main.c b/main.c
index 33f3f31..afacf6e 100644
--- a/main.c
+++ b/main.c
@@ -91,6 +91,18 @@ int main(void)
 
     home();
 
+    // Display the character set.
+    for (i = 0; i < 256; i++) {
+        // Fails with: unhandled instruction B2
+        move_cursor(i % 16, i >> 4);
+        // Works.
+        // move_cursor(i & 0x0F, i >> 4);
+        loc = cursor_pos();
+        *loc = i;
+    }
+    while(1);
+
+
     // Title.
     for(i = 0; i < title_length; i++) {
         loc[i] = title[i] | 0x80;