# HG changeset patch
# User Michael Pavone <pavone@retrodev.com>
# Date 1575567210 28800
# Node ID 7b62e6805e6a80b9f86c9b2106782f7740698959
# Parent  1afd6e85ec26f20e5feaab71440d509259262dcd
Only look at low 24-bits of reset vector in ROM type detection heuristic

diff -r 1afd6e85ec26 -r 7b62e6805e6a system.c
--- a/system.c	Thu Dec 05 09:32:52 2019 -0800
+++ b/system.c	Thu Dec 05 09:33:30 2019 -0800
@@ -39,7 +39,7 @@
 	//More certain checks failed, look for a valid 68K reset vector
 	if (media->size >= 8) {
 		char *rom = media->buffer;
-		uint32_t reset = rom[4] << 24 | rom[5] << 16 | rom[6] << 8 | rom[7];
+		uint32_t reset = rom[5] << 16 | rom[6] << 8 | rom[7];
 		if (!(reset & 1) && reset < media->size) {
 			//we have a valid looking reset vector, assume it's a Genesis ROM
 			return SYSTEM_GENESIS;