From 0cd59168ccc76e60ea85830262aa74f765da0a0f Mon Sep 17 00:00:00 2001
From: sorgelig <pour.garbage@gmail.com>
Date: Wed, 15 May 2019 22:57:50 +0800
Subject: [PATCH] SNES: detect OBC1 chip.

---
 support/snes/snes.cpp | 33 ++++++++++++++++++---------------
 1 file changed, 18 insertions(+), 15 deletions(-)

diff --git a/support/snes/snes.cpp b/support/snes/snes.cpp
index bb75f24..734cebd 100644
--- a/support/snes/snes.cpp
+++ b/support/snes/snes.cpp
@@ -177,25 +177,28 @@ uint8_t* snes_get_header(fileTYPE *f)
 				{	//DSP1
 					hdr[1] |= 0x80;
 				}
-				else if (buf[addr + Mapper] == 0x20 && buf[addr + RomType] == 0x05)
-				{	//DSP2
-					hdr[1] |= 0x90;
-				}
-				else if (buf[addr + Mapper] == 0x30 && buf[addr + RomType] == 0x05 && buf[addr + Company] == 0xb2)
-				{	//DSP3
-					hdr[1] |= 0xA0;
-				}
-				else if (buf[addr + Mapper] == 0x30 && buf[addr + RomType] == 0x03)
-				{	//DSP4
-					hdr[1] |= 0xB0;
-				}
+				else if (buf[addr + Mapper] == 0x20 && buf[addr + RomType] == 0x05)
+				{	//DSP2
+					hdr[1] |= 0x90;
+				}
+				else if (buf[addr + Mapper] == 0x30 && buf[addr + RomType] == 0x05 && buf[addr + Company] == 0xb2)
+				{	//DSP3
+					hdr[1] |= 0xA0;
+				}
+				else if (buf[addr + Mapper] == 0x30 && buf[addr + RomType] == 0x03)
+				{	//DSP4
+					hdr[1] |= 0xB0;
+				}
 				else if (buf[addr + Mapper] == 0x30 && buf[addr + RomType] == 0xf6)
-				{
-					//ST010
+				{	//ST010
 					hdr[1] |= 0x88;
 					if(buf[addr + RomSize] < 10) hdr[1] |= 0x20; // ST011
 					//ramsz = 2;
 				}
+				else if (buf[addr + Mapper] == 0x30 && buf[addr + RomType] == 0x25)
+				{	//OBC1
+					hdr[1] |= 0xC0;
+				}
 
 				//CX4 4
 				if (buf[addr + Mapper] == 0x20 && buf[addr + RomType] == 0xf3)
@@ -224,7 +227,7 @@ uint8_t* snes_get_header(fileTYPE *f)
 					hdr[1] |= 0x70;
 				}
 
-				//1..3,C..F - reserved for other mappers.
+				//1..3,D..F - reserved for other mappers.
 
 				hdr[2] = 0;