# HG changeset patch
# User Michael Pavone <pavone@retrodev.com>
# Date 1673216443 28800
# Node ID 3b5fef8964755bf548f7cfa05fac3560e11b5d1d
# Parent  5a21bc0ec5839abbe0672f1b4020dc76b001c92b
Fix edge case in m68k_invalidate_code_range that caused problems when loading save states

diff -r 5a21bc0ec583 -r 3b5fef896475 m68k_core_x86.c
--- a/m68k_core_x86.c	Mon Jan 02 13:08:49 2023 -0800
+++ b/m68k_core_x86.c	Sun Jan 08 14:20:43 2023 -0800
@@ -2528,10 +2528,10 @@
 		//calculate the lowest alias for this address
 		start = mem_chunk->start + ((start - mem_chunk->start) & mem_chunk->mask);
 	}
-	mem_chunk = find_map_chunk(end, &opts->gen, 0, NULL);
+	mem_chunk = find_map_chunk(end - 1, &opts->gen, 0, NULL);
 	if (mem_chunk) {
 		//calculate the lowest alias for this address
-		end = mem_chunk->start + ((end - mem_chunk->start) & mem_chunk->mask);
+		end = mem_chunk->start + ((end - 1 - mem_chunk->start) & mem_chunk->mask) + 1;
 	}
 	uint32_t start_chunk = start / NATIVE_CHUNK_SIZE, end_chunk = end / NATIVE_CHUNK_SIZE;
 	for (uint32_t chunk = start_chunk; chunk <= end_chunk; chunk++)