From 4feedbc7c1ccbdf1651bbfe666223f7f2f19bbdb Mon Sep 17 00:00:00 2001
From: NewRisingSun <8vytz1+dhp372pv94ebg@sharklasers.com>
Date: Sat, 2 Apr 2022 17:48:19 +0200
Subject: [PATCH] Add mapper 310

---
 src/boards/310.c | 88 ++++++++++++++++++++++++++++++++++++++++++++++++
 src/ines.c       |  1 +
 src/ines.h       |  1 +
 3 files changed, 90 insertions(+)
 create mode 100644 src/boards/310.c

diff --git a/src/boards/310.c b/src/boards/310.c
new file mode 100644
index 0000000..7ebfac4
--- /dev/null
+++ b/src/boards/310.c
@@ -0,0 +1,88 @@
+/* FCE Ultra - NES/Famicom Emulator
+ *
+ * Copyright notice for this file:
+ *  Copyright (C) 2005 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
+ *
+ */
+
+#include "mapinc.h"
+
+static uint8 regData[2];
+static uint8 regAddr;
+
+static SFORMAT K1053_state[] =
+{
+	{ regData, 2, "REGD" },
+	{&regAddr, 1, "REGA" },
+	{ 0 }
+};
+
+static void K1053_sync (void) {
+	int prg =regData[0] &0x3F | regAddr <<4 &~0x3F;
+	int chrWritable;
+	switch(regAddr &3) {
+		case 0:	setprg32(0x8000, prg >>1);
+			chrWritable =0;
+			break;
+		case 1:	setprg16(0x8000, prg);
+			setprg16(0xC000, prg |7);
+			chrWritable =1;
+			break;
+		case 2:	prg =prg <<1 | regData[0] >>7;
+			setprg8(0x8000, prg);
+			setprg8(0xA000, prg);
+			setprg8(0xC000, prg);
+			setprg8(0xE000, prg);
+			chrWritable =1;
+			break;
+		case 3:	setprg16(0x8000, prg);
+			setprg16(0xC000, prg);
+			chrWritable =0;
+			break;			
+	}
+	SetupCartCHRMapping(0, CHRptr[0], 0x8000, chrWritable);
+	setchr8(regData[1]);
+	setmirror(regData[0] &0x40? MI_H: MI_V);
+}
+
+static void K1053_restore(int version) {
+	K1053_sync();
+}
+
+static DECLFW(K1053_write) {
+	regData[A >>14 &1] =V;
+	if (A &0x4000) regAddr=A &0xFF;
+	K1053_sync();
+}
+
+static void K1053_reset(void) {
+	regData[0] =regData[1] =regAddr =0;
+	K1053_sync();
+}
+
+static void K1053_power(void) {
+	K1053_reset();
+	SetReadHandler(0x8000, 0xFFFF, CartBR);
+	SetWriteHandler(0x8000, 0xFFFF, K1053_write);
+}
+
+void Mapper310_Init(CartInfo *info) {
+	info->Power = K1053_power;
+	info->Reset = K1053_reset;
+	GameStateRestore = K1053_restore;
+	AddExState(&K1053_state, ~0, 0, 0);
+}
diff --git a/src/ines.c b/src/ines.c
index f2af9d5..c288b86 100644
--- a/src/ines.c
+++ b/src/ines.c
@@ -721,6 +721,7 @@ INES_BOARD_BEGIN()
 	INES_BOARD( "KS7037",                   307, UNLKS7037_Init         )
 	INES_BOARD( "TH2131-1",                 308, UNLTH21311_Init        )
 	INES_BOARD( "LH51",                     309, LH51_Init              )
+	INES_BOARD( "K-1053",                   310, Mapper310_Init         )
 	INES_BOARD( "KS7013B",                  312, UNLKS7013B_Init        )
 	INES_BOARD( "RESET-TXROM",              313, BMCRESETTXROM_Init     )
 	INES_BOARD( "64in1NoRepeat",            314, BMC64in1nr_Init        )
diff --git a/src/ines.h b/src/ines.h
index bdb41a6..ef30b65 100644
--- a/src/ines.h
+++ b/src/ines.h
@@ -263,6 +263,7 @@ void Mapper271_Init(CartInfo *);
 void Mapper288_Init(CartInfo *);
 void Mapper293_Init(CartInfo *);
 void Mapper297_Init(CartInfo *);
+void Mapper310_Init(CartInfo *);
 void Mapper319_Init(CartInfo *);
 void Mapper326_Init(CartInfo *);
 void Mapper330_Init(CartInfo *);