From ecaba3d507b6ec8391d67b7f0bc66e07d310584a Mon Sep 17 00:00:00 2001
From: AJR <ajrhacker@users.noreply.github.com>
Date: Sat, 31 Mar 2018 01:46:21 -0400
Subject: [PATCH] 4roses: Decrypt the last two ROM blocks (nw)

---
 src/mame/drivers/4roses.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/mame/drivers/4roses.cpp b/src/mame/drivers/4roses.cpp
index 37db87abe71..77e415d44de 100644
--- a/src/mame/drivers/4roses.cpp
+++ b/src/mame/drivers/4roses.cpp
@@ -255,6 +255,14 @@ READ8_MEMBER(_4roses_state::_4roses_opcode_r)
 	case 0x6c00:
 		data = bitswap<8>(data ^ 0x5e, 6, 1, 4, 5, 2, 3, 0, 7);
 		break;
+
+	case 0x7000:
+		data = bitswap<8>(data ^ 0x34, 3, 7, 2, 6, 1, 5, 0, 4);
+		break;
+
+	case 0x7400:
+		data = bitswap<8>(data ^ 0x43, 7, 2, 5, 0, 6, 1, 3, 4);
+		break;
 	}
 
 	return data;