From 818a3ef482b96c0a963bb515291944346586f106 Mon Sep 17 00:00:00 2001
From: Michael Pavone <pavone@retrodev.com>
Date: Fri, 9 Dec 2016 09:48:48 -0800
Subject: WIP split of ROM loading/argument parsing from Genesis emulation
 code. Compiles and doesn't crash, but nothing works. Still a few too many
 globals as well.

---
 util.c | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'util.c')

diff --git a/util.c b/util.c
index 3309b0b..6811b6d 100644
--- a/util.c
+++ b/util.c
@@ -57,6 +57,15 @@ char * alloc_concat_m(int num_parts, char const ** parts)
 	return ret;
 }
 
+void byteswap_rom(int filesize, uint16_t *cart)
+{
+	for(uint16_t *cur = cart; cur - cart < filesize/2; ++cur)
+	{
+		*cur = (*cur >> 8) | (*cur << 8);
+	}
+}
+
+
 long file_size(FILE * f)
 {
 	fseek(f, 0, SEEK_END);
-- 
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