From ee9f96c5404c20248d8e82a6f5497f6683099f5e Mon Sep 17 00:00:00 2001
From: Oggom <Oggom@users.noreply.github.com>
Date: Wed, 23 Aug 2017 20:18:38 +0200
Subject: [PATCH] Backport r183 - UNIF RT-01 - new dump "Dlya Proverki TV
 Pristavok"

---
 src/boards/rt-01.c | 53 ++++++++++++++++++++++++++++++++++++++++++++++
 src/unif.c         |  1 +
 src/unif.h         |  1 +
 3 files changed, 55 insertions(+)
 create mode 100644 src/boards/rt-01.c

diff --git a/src/boards/rt-01.c b/src/boards/rt-01.c
new file mode 100644
index 0000000..c724b74
--- /dev/null
+++ b/src/boards/rt-01.c
@@ -0,0 +1,53 @@
+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2016 CaH4e3
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Test Ver. 1.01 Dlya Proverki TV Pristavok (RT-01, by SS aka Snake)
+ * A simple board with 16K PRG ROM + 2K CHR ROM with no mapper, hardwired mirroring
+ * PRG EPROM has copy protected areas with "weak bits", which is tested at some
+ * points of the program. Trying to simalate "weak bits" behaviour
+ * 
+ */
+
+#include "mapinc.h"
+
+static DECLFR(UNLRT01Read) {
+//	u16 i, prot_areas[2][2] = {
+//		{ 0x8E80, 0x8EFF },
+//		{ 0xFE80, 0xFEFF },
+//	};
+	if(((A >= 0xCE80) && (A < 0xCF00)) ||
+	   ((A >= 0xFE80) && (A < 0xFF00))) {
+		return 0xF2 | (rand() & 0x0D);
+	} else
+		return CartBR(A);
+}
+
+static void UNLRT01Power(void) {
+	setprg16(0x8000, 0);
+	setprg16(0xC000, 0);
+	setchr2(0x0000,0);
+	setchr2(0x0800,0);
+	setchr2(0x1000,0);
+	setchr2(0x1800,0);
+	SetReadHandler(0x8000, 0xFFFF, UNLRT01Read);
+}
+
+void UNLRT01_Init(CartInfo *info) {
+	info->Power = UNLRT01Power;
+}
diff --git a/src/unif.c b/src/unif.c
index 0ce37b7..a1a96c1 100644
--- a/src/unif.c
+++ b/src/unif.c
@@ -460,6 +460,7 @@ static BMAPPING bmap[] = {
 	{ "EH8813A", UNLEH8813A_Init, 0 },
 	{ "HP898F", BMCHP898F_Init, 0 },
 	{ "F-15", BMCF15_Init, 0 },
+	{ "RT-01", UNLRT01_Init, 0 },
 	{ "81-01-31-C", BMC810131C_Init, 0 },
 	{ "8-IN-1", BMC8IN1_Init, 0 },
 
diff --git a/src/unif.h b/src/unif.h
index 5d3073c..29a8804 100644
--- a/src/unif.h
+++ b/src/unif.h
@@ -154,6 +154,7 @@ void UNLBMW8544_Init(CartInfo *info);
 void UNLEH8813A_Init(CartInfo *info);
 void BMCHP898F_Init(CartInfo *info);
 void BMCF15_Init(CartInfo *info);
+void UNLRT01_Init(CartInfo *info);
 void BMC810131C_Init(CartInfo *info);
 void BMC8IN1_Init(CartInfo *info);