From 8ec8645ca2f617b8f467a7c1d290185bcfd643cd Mon Sep 17 00:00:00 2001
From: Matthew Berry <me@mattrb.com>
Date: Wed, 4 Nov 2020 22:32:37 -0800
Subject: [PATCH] thumb laod address fix word bits selection

---
 src/crab/thumb/load_address.cr | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/crab/thumb/load_address.cr b/src/crab/thumb/load_address.cr
index da96640..1ff9473 100644
--- a/src/crab/thumb/load_address.cr
+++ b/src/crab/thumb/load_address.cr
@@ -2,7 +2,7 @@ module THUMB
   def thumb_load_address(instr : Word) : Nil
     source = bit?(instr, 11)
     rd = bits(instr, 8..10)
-    word = bits(instr, 0..8)
+    word = bits(instr, 0..7)
     imm = word << 2
     # Where the PC is used as the source register (SP = 0), bit 1 of the PC is always read as 0.
     set_reg(rd, (source ? @r[13] : @r[15] & ~2) &+ imm)