From f4a73b2901d9e2d9cc52e63d12707001d0e68014 Mon Sep 17 00:00:00 2001
From: anod <182859762@qq.com>
Date: Tue, 21 Mar 2023 10:06:40 +0800
Subject: [PATCH] =?UTF-8?q?=E5=AF=B9=E4=BA=8E=E6=89=A9=E5=AE=B9=E7=9A=84ro?=
 =?UTF-8?q?m=EF=BC=8C=E4=BF=AE=E6=94=B9=E6=89=A9=E5=AE=B9=E6=96=B9?=
 =?UTF-8?q?=E6=A1=88?=
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---
 source/arm11/cheat.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/source/arm11/cheat.c b/source/arm11/cheat.c
index eedf2a6..404f94e 100644
--- a/source/arm11/cheat.c
+++ b/source/arm11/cheat.c
@@ -401,7 +401,13 @@ static CodeLocation rom_fit_newsize( CodeLocation rom, int realend, int totalsiz
 
     // grow cart volumn
     else if( szrom < size || nextPow2(size) != nextPow2(szrom) )
-        *newsize = size;
+    {
+        u32 sznrom = nextPow2(size);
+        u32 start = realend - INSTR_SIZE;
+        memset( &rom[INSTR_LEN(start)], 0, sznrom-start );
+        *newsize = sznrom;
+        return rom + sznrom - ( (totalsize+0x1f) & (~0xf) );
+    }
     
     return rom + INSTR_LEN( realend );
 }