From 7d148924e2fee1a2692d2c49a01e6770b630f906 Mon Sep 17 00:00:00 2001
From: vin <git@vineetk.net>
Date: Sun, 21 Jul 2024 13:53:04 -0400
Subject: start implementing PPU

---
 rom.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'rom.h')

diff --git a/rom.h b/rom.h
index a52bda1..703fabd 100644
--- a/rom.h
+++ b/rom.h
@@ -1,3 +1,6 @@
+#ifndef ROM_H
+#define ROM_H
+
 enum screen_mirroring {
 	M_HORIZONTAL,
 	M_VERTICAL,
@@ -15,3 +18,5 @@ struct Rom {
 
 void parse_rom(const uint8_t *data, size_t data_len, struct Rom *rom);
 void free_rom(struct Rom *rom);
+
+#endif /* ROM_H */
-- 
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