From 707853d234d023bd61b974333b001498257f44c7 Mon Sep 17 00:00:00 2001
From: NewRisingSun <8vytz1+dhp372pv94ebg@sharklasers.com>
Date: Wed, 27 Jul 2022 12:48:05 +0200
Subject: [PATCH] Add mapper 461

---
 src/boards/addrlatch.c | 18 ++++++++++++++++++
 src/ines.c             |  1 +
 src/ines.h             |  1 +
 3 files changed, 20 insertions(+)

diff --git a/src/boards/addrlatch.c b/src/boards/addrlatch.c
index a221fb1..dd67b51 100644
--- a/src/boards/addrlatch.c
+++ b/src/boards/addrlatch.c
@@ -776,6 +776,24 @@ void Mapper459_Init(CartInfo *info) {
 	Latch_Init(info, M459Sync, NULL, 0x0000, 0x8000, 0xFFFF, 1);
 }
 
+/*------------------ Map 461 ---------------------------*/
+static void M461Sync(void) {
+	int p =latche <<1 | latche >>5 &1;
+	int c =latche >>8;
+	if (latche &0x10) {
+		setprg16(0x8000, p);
+		setprg16(0xC000, p);
+	} else {
+		setprg32(0x8000, p >>1);
+	}
+	setchr8(c);
+	setmirror(latche &0x80? MI_H: MI_V);
+}
+
+void Mapper461_Init(CartInfo *info) {
+	Latch_Init(info, M461Sync, NULL, 0x0000, 0x8000, 0xFFFF, 1);
+}
+
 /*------------------ Map 464 ---------------------------*/
 static void M464Sync(void) {
 	int p =latche >>7;
diff --git a/src/ines.c b/src/ines.c
index 891182a..c0100cd 100644
--- a/src/ines.c
+++ b/src/ines.c
@@ -821,6 +821,7 @@ INES_BOARD_BEGIN()
 	INES_BOARD( "DS-9-27",                  452, Mapper452_Init         )
 	INES_BOARD( "K6C3001A",                 456, Mapper456_Init         )
 	INES_BOARD( "8-in-1",                   459, Mapper459_Init         )
+	INES_BOARD( "0324",                 	461, Mapper461_Init         )
 	INES_BOARD( "YH810X1",                 	463, Mapper463_Init         )
 	INES_BOARD( "NTDEC 9012",          	464, Mapper464_Init         )
 	INES_BOARD( "ET-120",                 	465, Mapper465_Init         )
diff --git a/src/ines.h b/src/ines.h
index 6e50bee..61a77be 100644
--- a/src/ines.h
+++ b/src/ines.h
@@ -329,6 +329,7 @@ void Mapper444_Init(CartInfo *);
 void Mapper452_Init(CartInfo *);
 void Mapper456_Init(CartInfo *);
 void Mapper459_Init(CartInfo *);
+void Mapper461_Init(CartInfo *);
 void Mapper463_Init(CartInfo *);
 void Mapper464_Init(CartInfo *);
 void Mapper465_Init(CartInfo *);