# HG changeset patch
# User Michael Pavone <pavone@retrodev.com>
# Date 1432354301 25200
# Node ID a92ca6f0ed8359f9a03ac5e65705ea808a78cea1
# Parent  2174f92c5f9bbcde670790ad5eb98bbad9d0b5b9
Fix out of bounds memory access when an instruction wraps around the end of memory

diff -r 2174f92c5f9b -r a92ca6f0ed83 m68k_core.c
--- a/m68k_core.c	Fri May 22 18:38:44 2015 -0700
+++ b/m68k_core.c	Fri May 22 21:11:41 2015 -0700
@@ -636,6 +636,7 @@
 	uint32_t offset = address % NATIVE_CHUNK_SIZE;
 	native_code_map[chunk].offsets[offset] = native_addr-native_code_map[chunk].base;
 	for(address++,size-=2; size; address++,size-=2) {
+		address &= opts->gen.address_mask >> 1;
 		chunk = address / NATIVE_CHUNK_SIZE;
 		offset = address % NATIVE_CHUNK_SIZE;
 		if (!native_code_map[chunk].base) {